Philips TDA9816M Datasheet

INTEGRATED CIRCUITS
DATA SH EET
TDA9816M
Multistandard multimedia IF-PLL and FM radio demodulator
Preliminary specification File under Integrated Circuits, IC02
1997 Nov 19
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM radio demodulator
FEATURES
5 V supply voltage
Gain controlled wideband Video IF (VIF) amplifier
(AC-coupled)
True synchronous demodulation with active carrier regeneration (very linear demodulation, good intermodulation figures, reduced harmonics, excellent pulse response)
Robustness for over-modulation better than 105% due to gated phase detector at L/L accent standard and PLL bandwidth control for negative modulation standards
VCO (Voltage Controlled Oscillator) frequency can be switched between L and L accent (alignment external) picture carrier frequency
VIF AGC (Automatic Gain Control) detector for gain control, operating as peak sync detector for B/G and peak white detector for L; signal controlled reaction time for L
Tuner AGC with adjustable TakeOver Point (TOP)
AFC (Automatic Frequency Control) detector without
extra reference circuit
AC-coupled limiting amplifier for sound intercarrier signal
TDA9816M
Alignment-free FM PLL (Phase-Locked Loop) demodulator with high linearity; integrated de-emphasis resistor
Integrated level detector
Alignment-free FM radio AFC detector with external
resonator
RIF (Radio IF) amplifier for 10.7 MHz
SIF (Sound IF) input for single reference QSS (Quasi
Split Sound) mode (PLL controlled); SIF AGC detector for gain controlled SIF amplifier; single reference QSS mixer able to operate in high performance single reference QSS mode
AM demodulator without extra reference circuit
Stabilizer circuit for ripple rejection and to achieve
constant output signals
ESD (Electrostatic Discharge) protection for all pins.
GENERAL DESCRIPTION
The TDA9816M is an integrated circuit for multistandard vision IF signal processing, sound AM and FM demodulation and FM radio demodulation in multimedia sets.
ORDERING INFORMATION
TYPE NUMBER
NAME DESCRIPTION VERSION
TDA9816M SSOP28 plastic shrink small outline package; 28 leads; body width 5.3 mm SOT341-1
PACKAGE
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM
TDA9816M
radio demodulator
QUICK REFERENCE DATA
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supply (pin 25)
V
P
I
P
Television mode
V
i(VIF)(rms)
V
o(video)(p-p)
B
3dB
S/N
W(video)
α
IM(1.1)
α
IM(3.3)
α
H(sup)
V
i(SIF)(rms)
V
o(audio)(rms)
THD
video
S/N
W(audio)
supply voltage 4.5 5 5.5 V supply current TV mode (B/G standard) 76 89 102 mA
radio mode 29 35 41 mA power-down mode 5 8 11 mA
minimum vision IF input signal
1 dB video at output 60 100 µV
voltage (RMS value) video output signal voltage
0.97 1.1 1.23 V
(peak-to-peak value)
3 dB video bandwidth on pin 18 CL< 30 pF; RL> 1.5 k;
78MHz
AC load
weighted signal-to-noise ratio for
54 58 dB
video intermodulation attenuation at ‘blue’ f = 1.1 MHz 52 58 dB intermodulation attenuation at ‘blue’ f = 3.3 MHz 52 58 dB suppression of harmonics in video
35 40 dB
signal minimum sound IF input signal
3 dB at intercarrier output 30 70 µV
voltage (RMS value) audio output signal voltage for FM
(RMS value)
B/G standard; 27 kHz modulation
0.4 0.5 0.6 V
total harmonic distortion for video 27 kHz modulation 0.5 1.0 % weighted signal-to-noise ratio for
27 kHz modulation; t = 50 µs50 55 dB
audio
Radio mode
V
i(RIF)(rms)
V
i(FM)(rms)
/logVioutput voltage slope according to
V
LD
minimum radio IF input signal voltage (RMS value)
minimum FM limiter input signal voltage (RMS value)
d3< 60 dB intermodulation; note 1
SN+
unweighted 26 dB=
-------------­N
FM limiter input voltage
V
o(audio)(rms)
audio output signal voltage for radio
22.5 kHz modulation 200 250 300 mV
(peak-to-peak value) THD S/N
audio
W(audio)
total harmonic distortion for audio 22.5 kHz modulation 0.5 1.0 %
weighted signal-to-noise ratio for
audio
22.5 kHz modulation; 15 kHz bandwidth
Note
is the ratio of the intermodulation product at 10.3 MHz to the level of V
1. d
3
−−20 mV
100 −µV
50 mV/dBµV
59 64 dB
i(4)(max)(rms)
.
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM radio demodulator
BLOCK DIAGRAM
video
1 V (p-p)
TRAP
SOUND
1.1 V (p-p)
18
GND
k, full pagewidth
P
V
level
AFC/RIF
n.c.
19 2522217526 23
20
VOLTAGE
INTERNAL
STABILIZER
TV AFC
DETECTOR
VIDEO
AND AMPLIFIER
DEMODULATOR
oAF
V
10
TDA9816M
10.7 MHz
AFC
RADIO
13
12 241514
AF SIGNAL PROCESSING
FM-PLL DEMODULATOR AND
LEVEL DETECTOR
iFM
V
oQSS
V
ceramic
resonator
DEC
C
de-em
C
mute
forced
5.5 MHz
TDA9816M
MHA990
10.7 MHz
PC
2 × f
adjust
L accent
PLL
T
VAGC
C
BL
C
TADJ
VCO
TWD
9
VIF
17
AGC
AGC
TUNER
16
TV/radio
tuner AGC
AND TV AFC
QSS MIXER
FPLL
AND
VIF AMPLIFIER
AGC DETECTOR
2
1
iVIF1ViVIF2ViSIF1ViSIF2
V
VIF
SAW
INTERCARRIER MIXER
SIF AMPLIFIER
27
28
SIF
SAW
AND AM DEMODULATOR
intercarrier
AND
RIF AMPLIFIER
AGC DETECTOR
LOGIC
AND
SIF AMPLIFIER
AGC DETECTOR
4
iRIF
V
mode
10.7 MHz
11
38
6
adjust
soft mute
threshold
LP2
LP1LP0
SAGC
C
Fig.1 Block diagram.
1997 Nov 19 4
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM radio demodulator
PINNING
SYMBOL PIN DESCRIPTION
V
iVIF1
V
iVIF2
LP0 3 logic port 0 V
iRIF
C
VAGC
C
SAGC
T
PLL
LP1 8 logic port 1 LADJ 9 L/L accent switch and adjustment V
oAF
LP2
C
de-em
C
DEC
V
oQSS
V
iFM
TAGC 16 TV/radio tuner AGC output C
BL
V
o(vid)
AFC 19 AFC/RIF level output n.c. 20 not connected VCO1 21 VCO1 resonance circuit VCO2 22 VCO2 resonance circuit GND 23 ground CERRES 24 ceramic resonator 10.7 MHz V
P
TADJ 26 tuner AGC takeover point adjustment V
iSIF1
V
iSIF2
1 VIF differential input signal voltage 1
2 VIF differential input signal voltage 2
4 RIF input
5 VIF AGC capacitor
6 SIF AGC capacitor
7 PLL loop filter
10 audio output
logic port 2 and soft mute threshold
11
adjustment 12 de-emphasis capacitor 13 decoupling capacitor
single reference QSS/intercarrier 14
output voltage 15 sound intercarrier input voltage
17 black level detector 18 composite video output voltage
25 supply voltage
27 SIF differential input signal voltage 1 28 SIF differential input signal voltage 2
handbook, halfpage
V
1
iVIF1
V
2
iVIF2
LP0
3
V
4
iRIF
C C
C
V
VAGC SAGC
T
PLL
LP1 LADJ V
oAF
LP2
de-em C
DEC
oQSS
5 6 7
TDA9816M
8
9 10 11 12 13
MHA989
Fig.2 Pin configuration.
TDA9816M
V
28
iSIF2
V
27
iSIF1
TADJ
26
V
25
P
CERRES
24
GND
23
VCO2
22
VCO1
21
n.c.
20
AFC
19
V
18
o(vid)
C
17
BL
TAGC
16
V
1514
iFM
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM radio demodulator
FUNCTIONAL DESCRIPTION
The TDA9816M is comprised of the functional blocks shown in Fig.1:
Vision IF amplifier and AGC detector
Tuner (TV/radio) and VIF AGC
Frequency Phase Locked Loop (FPLL) detector
VCO, Travelling Wave Divider (TWD) and TV AFC
Video demodulator and amplifier
SIF amplifier and AGC detector
Single reference QSS mixer
AM demodulator
RIF amplifier and AGC detector
FM-PLL demodulator, level detector and radio AFC
AF (Audio Frequency) signal processing
Internal voltage stabilizer
Logic.
Vision IF amplifier and AGC detector
The vision IF amplifier contains three AC-coupled differential amplifier stages. Each differential stage includes a feedback network controlled by emitter degeneration.
The AGC detector generates the required VIF gain control voltage for constant video output by charging/discharging the AGC capacitor. The sync level of the video signal is therefore detected for negative video modulation, while the peak white level is detected for positive video modulation. In order to reduce the reaction time for positive modulation, where a very large time constant is needed, an additional level detector is used to increase the discharge current of the AGC capacitor (fast mode) in the event of a decreasing VIF amplitude step. The additional level information is given by the black-level detector voltage.
Tuner (TV/radio) and VIF AGC
For TV operation, the AGC capacitor voltage is converted to an internal IF control signal and then fed to the tuner AGC to generate the tuner AGC output current at pin TAGC (open-collector output). The tuner AGC takeover point can be adjusted at pin TADJ. This allows the tuner to be matched to the SAW filter in order to achieve the optimum IF input level.
For FM radio operation, an AGC detector is provided to obtain some adjacent channel protection.
TDA9816M
Frequency Phase-Locked Loop detector (FPLL)
The VIF amplifier output signal is fed, via a limiting amplifier, to a frequency and phase detector. During acquisition, the frequency detector generates a DC current proportional to the difference in frequency between the input signal and the VCO signal. After frequency lock-in, the phase detector generates a DC current proportional to the phase difference between the input signal and the VCO signal. The DC current generated by the frequency or phase detector is converted to a DC voltage via the loop filter, which controls the VCO frequency. For positively modulated signals, the phase detector is gated by composite sync in order to avoid signal distortion with overmodulated VIF signals.
VCO, TWD and TV AFC
The VCO operates with a resonance circuit (with L and C in parallel), at double the Picture Carrier (PC) frequency. The VCO is controlled by two integrated variable capacitors. The control voltage required to tune the VCO from its free-running frequency to double the PC frequency is generated by the FPLL and fed via the loop filter to the first variable capacitor. This control voltage is amplified and converted into a current which represents the AFC output signal.
The VCO centre frequency can be decreased (required for L accent standard) by activating an additional internal capacitor using logic ports LP0 and LP1. A variable resistor connected to LADJ can be used in conjunction with the second variable capacitor to set the VCO centre frequency to the required L accent value. At the centre frequency, the AFC output current is zero.
The TWD divides the oscillator signal by 2 and generates two differential output signals with a 90° phase difference independent of frequency.
Video demodulator and amplifier
Video demodulation is realized by a multiplier designed for low distortion and wide bandwidth. The vision IF input signal and the ‘in-phase’ signal of the travelling wave divider output are multiplied together. The video signal polarity can be switched in the demodulator stage in accordance with the relevant TV standard.
The demodulated output signal is fed to the video amplifier via an integrated low-pass filter used to attenuate the carrier harmonics. This is an operational amplifier with internal feedback and wide bandwidth. A low-pass filter is integrated to attenuate the carrier harmonics for B/G and L standard.
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM radio demodulator
The standard-dependent level shift in this stage delivers the same sync level for positive and negative modulation. The video output signal at V vision IF modulation, in order to achieve 1 V (p-p) at the sound trap output.
SIF amplifier and AGC
The sound IF amplifier consists of two AC-coupled differential amplifier stages. Each differential stage is comprised of a controlled feedback network provided by emitter degeneration.
The SIF AGC detector is related to the SIF input signal (average level of AM or FM carrier). It controls the SIF amplifier to provide a constant SIF signal to the AM demodulator and single reference QSS mixer. The AGC reaction time is set to ‘slow’ for nominal video conditions. But with a decreasing VIF amplitude step the SIF AGC is set to ‘fast’ mode, controlled by the VIF AGC detector. In FM mode this reaction time is also set to ‘fast’ mode according to the TV standard.
Single reference QSS mixer
The single reference QSS mixer is realized by a multiplier. The SIF amplifier output signal is fed to the single reference QSS mixer and converted to the intercarrier frequency by the regenerated picture carrier (VCO). The mixer output signal is fed, via a high-pass filter used to attenuate the video signal components, to output pin 14. High performance hi-fi stereo sound processing can be achieved with this system.
For a simplified application without a sound IF SAW filter, the single reference QSS mixer can be switched to the intercarrier mode by connecting pin 27 and/or pin 28 to ground. In this mode, the sound IF signal passes through the vision IF SAW filter and the composite IF signal is then fed to the single reference QSS mixer. Here, the IF signal is multiplied by the 90° TWD output signal to convert the sound IF to the intercarrier frequency. By using this quadrature detection, the low frequency video signals are removed.
AM demodulator
A multiplier is used for AM demodulation. The modulated SIF amplifier output signal and the ‘in-phase’ limited (AM is removed) SIF amplifier output signal are multiplied together. The demodulated output signal is fed, via an integrated low-pass filter used to attenuate the carrier harmonics, to the AF amplifier.
is 1.1 V (p-p) for nominal
o(vid)
TDA9816M
RIF amplifier and AGC
The radio IF amplifier amplifies the 10.7 MHz radio IF signal. This signal is supplied by the tuner and is fed to the RIF input (pin 4) via a matching circuit and a ceramic band-pass filter. This amplifier contains two stages. The first stage, a conventional 0 dB differential amplifier designed for optimal dynamic range, is followed by a switchable differential amplifier stage with a gain of 10 dB. Either the radio IF or to the TV IF signal can be selected at the output (pin 14).
The RIF output signal is fed via ceramic band-pass filters to the FM-PLL demodulator and the radio IF AGC detector. The AGC threshold is very high and is designed to obtain some adjacent channel protection. The AGC detector output is fed to the tuner AGC output stage (pin 16) to control the tuner.
FM-PLL demodulator level detector and radio AFC
The FM-PLL demodulator consists of a limiter and an FM phase-locked loop. The 8-stage internally AC-coupled limiter amplifies and limits the TV FM sound intercarrier or the radio FM intermediate frequency signal prior to demodulation. The limiter is designed for high sensitivity and AM suppression with low DC offset and needs no external pins for DC coupling.
Furthermore, the AF output signal can be force muted by connecting a resistor between pin 15 and ground. The soft mute function can be disabled by connecting a resistor between pin 15 and the power supply. See the application circuit in Fig.18.
The FM-PLL consists of an integrated relaxation oscillator, an integrated loop filter and a phase detector. The oscillator is locked to the FM intercarrier signal output from the limiter. As a result of locking, the oscillator frequency tracks with the modulation of the input signal and the oscillator control voltage is superimposed on the AF voltage. The FM-PLL operates as an FM demodulator.
The level detector detects, rectifies and amplifies the output signals from the first 5 limiter stages. These signals are then summed and the composite signal passed through a low-pass filter, followed by a 6 dB output amplifier. A DC voltage dependent on the limiter input level is generated for controlling the behaviour of the AF soft mute. The 6 dB output amplifier can be switched off via the control logic and the level detector output signal fed to pin 19. Furthermore, the steepness of the level detector output signal tracks that of the power supply voltage.
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM radio demodulator
The radio Automatic Frequency Control (AFC) stage is comprised of a 10.7 MHz phase shifting network, a phase detector (quadrature demodulator), a differential amplifier input stage (which receives the limiting amplifier output signal), and a current mode output stage.
A ceramic resonator is used for phase shifting. This permits alignment-free operation.
AF signal processing
The AF signal processing stage consists of a pre-amplifier for the FM-PLL demodulator output signal, an AF source selector, a soft and forced mute stage with an integrated time constant, and an AF post-amplifier.
The FM demodulator output signal is pre-amplified by an operational amplifier (30 dB gain) with internal feedback, high gain and high common mode rejection. The feedback circuit, together with external capacitor C pin 13, keeps the DC level at the pre-amplifier output constant (2.3 V). An external resistor connected in series with C The low-pass filter characteristic (130 kHz bandwidth) of the amplifier reduces the harmonics of the IF signal at the sound signal output.
The source selector operational amplifier selects and amplifies the appropriate AF source signal by means of the control logic: AM from the AM demodulator in TV L/L accent mode, FM from the FM demodulator via de-emphasis (internal resistor, external capacitor C pin 12) in TV B/G mode or FM direct from the FM demodulator in radio mode.
provides a gain-reduction capability.
DEC
connected to
DEC
de-em
at
TDA9816M
Soft mute occurs when the internal level detector output voltage is lower than the mute threshold voltage at pin 11 (provided an external resistor is not connected between the limiter input, pin 15, and the supply voltage). The mute stage reduces the AF signal by 25 dB, with an internal time constant of approximately 7 ms.
If forced mute is active (see Table 2), or a resistor is connected between pin 15 and ground, the mute stage will reduce the AF signal level by more than 70 dB, with the same time constant.
Otherwise, the AF signal level will not be reduced. The AF post-amplifier, which was designed to include a
rail-to-rail output stage, provides the required AF output level at pin 10.
Internal voltage stabilizer
The band gap circuit generates a voltage of approximately
1.25 V internally, independent of supply voltage and temperature. A voltage regulator circuit connected to this voltage generates a constant 3.6 V which is used as an internal reference voltage.
Logic
The logic circuit detects the logic levels and threshold voltages at ports LP0, LP1 and LP2 and controls the internal functions as described in Table 2.
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM
TDA9816M
radio demodulator
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
V
P
V
n
t
sc
V
TAGC
T
stg
T
amb
V
es
Notes
1. I
P
2. Machine model class B (L = 2.5 µH).
supply voltage (pin 25) maximum chip temperature
5.5 V
of 125 °C; note 1
input voltage at pins 1 to 13, 15 to 17,
0V
19 and 23 to 28 short-circuit time 10 s tuner AGC output voltage 0 13.2 V storage temperature 25 +150 °C operating ambient temperature 20 +70 °C electrostatic handling voltage note 2 300 +300 V
= 102 mA; T
=70°C; R
amb
th(j-a)
= 110 K/W.
P
V
THERMAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS VALUE UNIT
R
th(j-a)
thermal resistance from junction to ambient in free air 110 K/W
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM
TDA9816M
radio demodulator
CHARACTERISTICS
VP=5V; T peak white level for L); V residual carrier B/G: 10%; L = 3%; video signal in accordance with unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supply (pin 25)
V
P
I
P
Television mode
ISION IF AMPLIFIER (PINS 1 AND 2)
V V
i(VIF)(rms)
V
o(int)
G
VIF(CR)
B
VIF(3dB)
R
i(dif)
C
i(dif)
V
I
TRUE SYNCHRONOUS VIDEO DEMODULATOR; note 3 f
VCO(max)
f
/T oscillator drift as a
osc
V
VCO(rms)
f
cr(PC )
=25°C; see Table 1 for input frequencies; input level V
amb
i(FM)(rms)
= 10 mV; IF input from 50 via broadband transformer 1 : 1; video modulation DSB;
supply voltage note 1 4.5 5 5.5 V supply current TV mode (B/G standard) 76 89 102 mA
radio mode 29 35 41 mA power-down mode 5 8 11 mA
minimum vision IF input signal voltage
B/G standard; 1 dB video at output
(RMS value) maximum vision IF input
signal voltage
B/G standard; +1 dB video at output
(RMS value) internal IF amplitude
difference between picture and sound carrier
within AGC range; B/G standard; f = 5.5 MHz
VIF gain control range see Fig.3 65 70 dB
3 dB VIF bandwidth lower limit 15 25 MHz upper limit 70 100 MHz
differential input
note 2 1.7 2.2 2.7 k
resistance differential input
note 2 1.2 1.7 2.5 pF
capacitance DC input voltage note 2 3.4 V
maximum oscillator
f=2f
PC
frequency for carrier regeneration
oscillator is free-running;
function of temperature
I
AFC
= 0; note 4
oscillator voltage swing at pins 21 and 22 (RMS value)
picture carrier capture range
B/G and L standard ±1.4 ±1.8 MHz L accent standard;
f
= 33.9 MHz;
PC
R9= 5.6 k
i(VIF)(rms)
= 10 mV (sync-level for B/G,
“CCIR, line 17”
60 100 µV
120 200 mV
0.7 1 dB
125 130 MHz
−−±20 × 106K
50 80 110 mV
±0.9 ±1.2 MHz
; measured in test circuit of Fig.17;
1
1997 Nov 19 10
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM
TDA9816M
radio demodulator
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
f
fr(PC )
f
alg(L accent)
t
acq
V
i(VIF)(rms)
COMPOSITE VIDEO AMPLIFIER (PIN 18; SOUND CARRIER OFF) V
o(video)(p-p)
V/S ratio between video
V
o(video)
V
sync
V
clu
V
cll
R
o
I
bias(int)
I
o(sink)(max)
I
o(source)(max)
V
o(CVBS)
V
o(bl)(BG)
V
o(bl)(L)
G
dif
ϕ
dif
B
v(1dB)
picture carrier free-running frequency accuracy
L accent alignment
L accent standard; fPC= 33.9 MHz; R9= 5.6 k
L accent standard; I
−±200 ±400 kHz
=0 ±400 ±600 kHz
AFC
frequency range acquisition time Black Level (BL) = 70 kHz
−−30 ms
note 5
minimum vision IF input
maximum IF gain; note 6 30 70 µV
signal voltage for PLL to be locked (RMS value; pins 1 and 2)
output signal voltage
see Fig.8 0.97 1.1 1.23 V
(peak-to-peak value)
1.9 2.33 3.0 (black-to-white) and sync level
output signal voltage difference
difference between B/G and L standard
−−±12 %
sync voltage level B/G and L standard 1.4 1.5 1.6 V upper video clipping
VP− 1.1 VP− 1 V
voltage level lower video clipping
0.7 0.9 V voltage level
output resistance note 2 −−10 internal DC bias current
2.2 3.0 mA for emitter-follower
maximum AC and DC
1.6 −− mA output sink current
maximum AC and DC
2.9 −− mA output source current
deviation of CVBS output signal voltage at B/G
black level tilt in
50 dB gain control −−0.5 dB 30 dB gain control −−0.1 dB gain variation; note 7 −−1%
B/G standard vertical black level tilt for
worst case in L standard
vision carrier modulated by test line (VITS) only;
−−1.9 %
gain variation; note 7 differential gain differential phase
1 dB video bandwidth B/G and L standard;
“CCIR, line 330”
“CCIR, line 330”
25 %
1 2 deg
56 MHz CL< 50 pF; RL>1kΩ; AC load
1997 Nov 19 11
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM
TDA9816M
radio demodulator
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
B
v(3dB)
S/N
W
S/N unweighted
α
IM(1.1)
α
IM(3.3)
α
r(vc)(rms)
f
unwanted(p-p)
∆ϕ robustness for modulator
α
H(sup)
α
H(spur)
PSRR power supply ripple
VIF AGC I
ch
I
dch
t
res(AGC)(r)
DETECTOR (PIN 5)
3 dB video bandwidth B/G and L standard;
78 MHz CL< 50 pF; RL>1kΩ; AC load
weighted signal-to-noise
see Fig.5 and note 8 54 58 dB
ratio
see Fig.5 and note 8 47 51 dB
signal-to-noise ratio intermodulation
attenuation at ‘blue’ intermodulation
attenuation at ‘yellow’ intermodulation
attenuation at ‘blue’ intermodulation
attenuation at ‘yellow’ residual vision carrier
(RMS value)
fIM= 1.1 MHz; see Fig.6 and note 9
f
= 1.1 MHz; see Fig.6
IM
and note 9 fIM= 3.3 MHz; see Fig.6
and note 9 f
= 3.3 MHz; see Fig.6
IM
and note 9 fundamental wave and
harmonics;
52 58 dB
54 60 dB
52 58 dB
54 60 dB
25 mV
B/G and L standard
robustness for unwanted frequency deviation of picture carrier (peak-to-peak value)
imbalance
L standard; residual carrier: 3%; serration pulses: 50%; note 2
L standard; residual carrier: 0%;
−−12 kHz
−−3%
serration pulses: 50%; note 2
suppression of video
note 10a 35 40 dB
signal harmonics spurious elements note 10b 40 −− dB
video signal; grey level;
rejection at pin 18
see Fig.11
B/G standard 30 35 dB L standard 25 30 dB
charge current B/G and L standard; note 7 0.75 1 1.25 mA additional charge current L standard in event of
1.9 2.5 3.1 µA missing VITS pulses and no white video content
discharge current B/G standard 15 20 25 µA
normal mode L standard 225 300 375 nA fast mode L standard 30 40 50 µA
AGC response to a rising VIF step
B/G and L standard; note 11
0.05 0.1 ms/dB
1997 Nov 19 12
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM
TDA9816M
radio demodulator
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
t
res(AGC)(f)
IF VIF amplitude step for
V
th(17)
TUNER AGC (PIN 16)
TV V
i(rms)
V
o(max)
V
sat
V
TOP(T)
I
sink
G
IF
TV AFC DETECTOR (PIN 19); see Fig.7 and note 12 CR
stps
f
IF(T)
V
o(max)
V
o(min)
I
o(source)
I
o(sink)
AGC response to a falling VIF step
B/G standard 2.2 3.5 ms/dB fast mode L standard 1.1 1.8 ms/dB normal mode L standard;
150 240 ms/dB note 11
L standard 2 6 10 dB
activating fast AGC mode threshold voltage level
additional charging/ discharging current
IF input signal voltage for minimum starting point of
see Fig.8
L standard 1.95 2.0 2.05 V L standard; fast mode L 1.6 1.66 1.72 V
input at pins 1 and 2; R
=22kΩ; I16= 0.4 mA
TOP
25 mV
tuner takeover (RMS value)
IF input signal voltage for maximum starting point of
input at pins 1 and 2; R
=0Ω; I16= 0.4 mA
TOP
50 100 mV
tuner takeover (RMS value)
tuner takeover point
R
=13kΩ; I16= 0.4 mA 5 20 mV
TOP
accuracy (RMS value) maximum output voltage from external source;
−−13.2 V note 2
saturation voltage I16= 1.5 mA −−0.2 V variation of takeover point
I16= 0.4 mA 0.03 0.07 dB/K
with temperature sink current see Fig.3
no tuner gain reduction; V
= 13.2 V
16
maximum tuner gain
−−1 µA
1.5 2 2.6 mA
reduction
IF slip by automatic gain control
tuner gain current from 20 to 80%
68 dB
control steepness I19/f note 13 0.5 0.75 1.0 µA/kHz frequency variation with
temperature
I
= 0; note 4
AFC
B/G and L standard −−±20 × 10
6K−1
L accent standard −−±60 × 10−6K output voltage upper limit see Fig.7 without external output voltage lower limit 0.3 0.6 V
components
VP− 0.6 VP− 0.3 − V
output source current 150 200 250 µA output sink current 150 200 250 µA
1
1997 Nov 19 13
Philips Semiconductors Preliminary specification
Multistandard multimedia IF-PLL and FM
TDA9816M
radio demodulator
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
r(mod)(p-p)
SOUND IF AMPLIFIER (PINS 27 AND 28) V
i(SIF)(rms)
V
i(max)(rms)
G
cr(SIF)
B
SIF(3dB)
R
i(dif)
C
i(dif)
V
I(27,28)
α
ct(SIF-VIF)
SIF-AGC DETECTOR (PIN 6) I
ch
I
dch
SINGLE REFERENCE QSS INTERCARRIER MIXER (PIN 14) V
o(intercarrier)(rms)
B
ic(3dB)
residual video modulation
B/G and L standard 20 30 µA current (peak-to-peak value)
minimum sound IF input signal voltage (RMS value)
FM mode; 3 dB at
intercarrier output pin 14
AM mode; 3 dB at
30 70 µV
70 100 µV
AF output pin 10 maximum sound IF input
signal voltage (RMS value)
FM mode; +1 dB at
intercarrier output pin 14
AM mode; +1 dB at
50 70 mV
80 140 mV
AF output pin 10 SIF gain control range FM and AM mode;
60 67 dB
see Fig.4
3 dB SIF bandwidth lower limit −−25 MHz
upper limit 60 −− MHz differential input
note 2 1.7 2.2 2.7 k resistance
differential input
note 2 1.2 1.7 2.5 pF capacitance
DC input voltage 3.4 V crosstalk attenuation
between SIF and VIF
between pins 1 and 2 and
pins 27 and 28; note 14
50 −− dB
input
charge current FM mode 8 12 16 µA
AM mode 0.8 1.2 1.6 µA discharge current FM mode 8 12 16 µA
normal mode AM 1 1.4 1.8 µA
fast mode AM 60 85 110 µA
IF intercarrier level (RMS value)
QSS mode; SC1;
sound carrier 2 off
L standard;
100 140 180 mV
100 140 180 mV
without modulation
intercarrier mode; SC
;
1
32 mV
sound carrier 2 off; note 15
3 dB intercarrier
upper limit 7.5 9 MHz bandwidth
1997 Nov 19 14
Loading...
+ 30 hidden pages