TDA9860
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DATA SH EET
Preliminary specification
File under Integrated Circuits, IC02
July 1994
INTEGRATED CIRCUITS
TDA9860
Universal HiFi audio processor for
TV
July 1994 2
Philips Semiconductors Preliminary specification
Universal HiFi audio processor for TV TDA9860
FEATURES
• Multi-source selector switches six AF inputs (three
stereo sources or six mono sources)
• Each of the input signals can be switched to each of the
outputs (crossbar switch)
• Outputs for loudspeaker channel, headphone channel
and peri-TV connector (SCART)
• Switchable spatial stereo and pseudo stereo effects
• Audio surround decoder can be added externally
• Two general purpose logic output ports
• I
2
C-bus control of all functions.
GENERAL DESCRIPTION
The TDA9860 provides control facilities for the main, the
headphone and the SCART channel of a TV set. Due to
extended switching possibilities, signals from 3 stereo
sources can be handled.
QUICK REFERENCE DATA
ORDERING INFORMATION
Note
1. SOT232-1; 1996 November 21.
SYMBOL PARAMETER MIN. TYP. MAX. UNIT
V
P
positive supply voltage (pin 6) 7.2 8.0 8.8 V
I
P
supply current − 25 − mA
V
i
input signal levels for 0 dB gain (RMS value) 2 −− V
V
o
output signal levels for 0 dB gain (RMS value) 2 −− V
G
v
gain in main channel
volume control (1 dB steps, balance included) −63 − +15 dB
bass control (1.5 dB steps) −12 − +15 dB
treble control (3 dB steps) −12 − +12 dB
gain in headphone channel
volume control (2 dB steps) −70 − 0dB
gain for muting in all channels −80 −− dB
THD total harmonic distortion − 0.1 − %
S/N signal-to-noise ratio − 85 − dB
T
amb
operating ambient temperature 0 − +70 °C
EXTENDED
TYPE NUMBER
PACKAGE
PINS PIN POSITION MATERIAL CODE
TDA9860 32 SDIL plastic SOT232
(1)
July 1994 3
Philips Semiconductors Preliminary specification
Universal HiFi audio processor for TV TDA9860
Fig.1 Block diagram and application circuit.
July 1994 4
Philips Semiconductors Preliminary specification
Universal HiFi audio processor for TV TDA9860
PINNING
SYMBOL PIN DESCRIPTION
V
i 3
1 SCART input signal LEFT
P1 2 port 1 output
V
i 5
3 MAIN input signal LEFT
C
SMO
4 smoothing capacitor of reference voltage
V
i 6
5 MAIN input signal RIGHT
V
P
6 positive supply voltage
V
o 6
7 SCART output signal RIGHT
GND 8 ground
V
o 2
9 MAIN output signal RIGHT
V
i 8
10 input signal RIGHT to loudspeaker channel
C
BR1
11 bass capacitor RIGHT 1
C
BR2
12 bass capacitor RIGHT 2
V
o 8
13 headphone output signal RIGHT
C
TR
14 treble capacitor RIGHT
V
o 4
15 loudspeaker channel output signal RIGHT
SCL 16 I
2
C-bus clock line
SDA 17 I
2
C-bus data line
V
o 3
18 loudspeaker channel output signal LEFT
C
TL
19 treble capacitor LEFT
V
o 7
20 headphone output signal LEFT
C
BL2
21 bass capacitor LEFT 2
C
BL1
22 bass capacitor LEFT 1
V
i 7
23 input signal LEFT to loudspeaker channel
V
o1
24 MAIN output signal LEFT
MAD 25 module address select input
V
o 5
26 SCART output signal LEFT
C
PS2
27 pseudo stereo capacitor 2
V
i 1
28 AUX input signal LEFT
C
PS1
29 pseudo stereo capacitor 1
V
i 2
30 AUX input signal RIGHT
P2 31 port 2 output
V
i 4
32 SCART input signal RIGHT
Fig.2 Pin configuration.
July 1994 5
Philips Semiconductors Preliminary specification
Universal HiFi audio processor for TV TDA9860
FUNCTIONAL DESCRIPTION
The TDA9860 consists of the following functions:
• source select switching block
• loudspeaker channel with effect controls
• headphone channel
• two port outputs for general purpose
• I
2
C-bus control
Source select switching block
The TDA9860 selects and switches the input signals from
three stereo or six mono sources as there are MAIN, AUX
and SCART (Fig.1) to one of the outputs SCART,
loudspeaker and headphone (crossbar-switching Table 3).
Due to the fact, that the main channel (LINE outputs) is
looped outside the circuit (from pins 9 and 24 to pins 10
and 23), signals can be used as LINE output or to insert a
‘surround sound decoder’.
Loudspeaker channel
Volume control is divided into the parts volume 1 and
volume 2 / balance. The first part (55 dB) controls left and
right channels simultaneously; the second part (23 dB)
controls volume and balance of left and right channels
independently. Treble control provides a control range
from −12 to +12 dB and bass control from −12 to +15 dB.
Extended bass control can be provided by an external
T-network (Fig.1) from −15 to +19 dB (2 dB steps).
Effect controls
‘Linear stereo’, ‘stereo with spatial effect (30% or 52%
anti-phase crosstalk)’ and ‘forced mono with or without
pseudo-stereo effect’ are controlled by three bits. A muting
of 85 dB is provided.
Headphone channel
The headphone channel is only equipped with volume /
balance control. A muting of 85 dB is provided.
I
2
C-bus control
All settings of control are stored in subaddress registers.
Data transmission is simplified by auto-incrementing the
subaddresses. The on-chip power on reset sets the mute
bit to active, so all 3 stereo outputs are muted.
The muting can be switched off by writing a ‘0’ (non-muted)
into the mute control bits.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
Notes to the Limiting Values
1. Equivalent to discharging a 200 pF capacitor through a 0 Ω series resistor.
2. Equivalent to discharging a 100 pF capacitor through a 1.5 kΩ series resistor.
THERMAL RESISTANCE
SYMBOL PARAMETER MIN. MAX. UNIT
V
P
supply voltage (pin 6) 0 10 V
V
n
voltage on all pins, ground excluded 0 V
P
V
I
O
output current
at pins 15, 18, 13, 20, 7 and 26 − 2.5 mA
at pins 2 and 31 − 1.5 mA
P
tot
total power dissipation − 850 mW
T
stg
storage temperature −25 +150 °C
T
amb
operating ambient temperature 0 +70 °C
V
ESD
electrostatic handling for all pins (note 1) −±300 V
electrostatic handling for all pins (note 2) −±2000 V
SYMBOL PARAMETER THERMAL RESISTANCE
R
th j-a
from junction to ambient in free air 60 K/W
July 1994 6
Philips Semiconductors Preliminary specification
Universal HiFi audio processor for TV TDA9860
CHARACTERISTICS
V
P
= 8 V; T
amb
= +25 °C; treble and bass in linear positions; balance in mid position; spatial function, pseudo-stereo
function and forced-mono function in off position and measurements taken in Fig.1 unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
V
P
supply voltage (pin 6) 7.2 8.0 8.8 V
I
P
supply current (pin 6) − 25 − mA
V
ref
internal reference voltage − V
P
/2 − V
V
4
voltage (pin 4) − V
P
− 0.1 − V
DC voltage on pins
V
l
DC input voltage (pins 1, 3, 5, 10, 23,
28, 30 and 32)
− V
P
/2 − V
V
O
DC output voltage (pins 7, 9, 13, 15, 18,
20, 24 and 26)
− V
P
/2 − V
V
C
DC voltage on capacitors (pins 11, 12,
14, 19, 21, 22, 27 and 29)
− V
P
/2 − V
Audio select switch. Line, SCART and headphone outputs (controlled via I
2
C-bus, Table 3)
V
i
maximum AF input signal on pins 1, 3,
5, 28, 30, 32 (RMS value)
THD ≤ 0.5%
on output pins
2 −−V
R
i
input resistance (pins 1, 3, 5, 28, 30, 32) 20 30 40 kΩ
f frequency response for all AF outputs −0.5 dB 20 − 20000 Hz
V
o
maximum AF output signal on pins 7, 9,
24, 26 (RMS value)
THD ≤ 0.5% 2 −−V
R
L
allowed external load resistance
on output (pins 9 and 24) 10 −−kΩ
on output (pins 7 and 26) 5 −−kΩ
G
v
gain for all signal arms − 0 − dB
α
cr
switch crosstalk on outputs between
AF inputs at f = 10 kHz
unused inputs
connected to ground
− 90 − dB
LOUDSPEAKER CHANNEL (controlled via I
2
C-bus, Table 3)
Volume control 1 (LEFT and RIGHT simultaneously)
f = 1 kHz, 55 steps
V
i
maximum input signal
(RMS value; pins 10 and 23)
G
v
= 0; THD ≤ 0.5% on
output pins 15 and 18
2 −−V
R
i
input resistance (pins 10 and 23) 7.5 10 − kΩ
G
v
nominal volume control −40 − +15 dB
minimum volume control −38 − +14 dB
∆G
v
step width G
v
= −32 to +15 dB 0.5 1.0 1.5 dB
G
v
= −40 to −33 dB 0.25 1.0 1.75 dB
gain set error G
v
= −32 to +15 dB −− 1dB
G
v
=−40 to −33 dB −− 2dB
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