Page 1
INTEGRATED CIRCUITS
DATA SH EET
TEA5711; TEA5711T
AM/FM stereo radio circuit
Product specification
Supersedes data of October 1992
File under Integrated Circuits, IC01
Philips Semiconductors
September 1994
Page 2
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
FEATURES
• Wide supply voltage range: 1.8 or 2.1 to 12 V
• Low current consumption: 15 mA at AM, 16 mA at FM
• Designed for simple and reliable printed-circuit board
layout
• High impedance MOSFET input on AM.
• High selectivity with distributed IF gain
• LED driver for stereo indication
• High input sensitivity: 1.6 mV/m (AM), 2.0 µV (FM) for
26 dB S/N
• Good strong signal behaviour: 10 V/m at AM,
APPLICATIONS
• Portable AM/FM stereo radio
• Mini/midi receiver sets
• Personal headphone radio.
500 mV at FM
• Low output distortion: 0.8% at AM, 0.3% at FM
• Signal level output
• Soft mute
• Signal dependent stereo
DESCRIPTION
The TEA5711 is a high performance Bimos IC for use in
AM/FM stereo radios. All necessary functions are
integrated: from AM and FM front-end to AM detector and
FM stereo output stages.
QUICK REFERENCE DATA
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. TYP.
V
P
V
P
I
P
dynamic supply voltage 1.8 − 12 V
static supply voltage 2.1 − 12 V
supply current
AM mode 11.9 15.0 18.9 mA
FM mode 13.5 16.5 20.2 mA
T
amb
operating ambient temperature −15 − +60 °C
AM performance
V
in1
V
28
RF sensitivity 40 55 70 µV
AF output voltage 36 45 70 mV
THD total harmonic distortion − 0.8 2.0 %
FM performance
V
in3
V
28
RF sensitivity 1.0 2.0 3.8 µV
AF output voltage 50 61 72 mV
THD total harmonic distortion − 0.3 0.8 %
MPX performance
α
A
cs
MPX
channel separation 26 30 − dB
MPX voltage gain V
AF-L/Vin9
; S5 in position MONO −1.5 0 +1.0 dB
THD total harmonic distortion − 0.5 1.0 %
ORDERING INFORMATION
PACKAGE
TYPE NUMBER
NAME DESCRIPTION VERSION
TEA5711 SDIP32 plastic shrink dual in-line package; 32 leads (400 mil) SOT232-1
TEA5711T SO32 plastic small outline package; 32 leads; body width 7.5 mm SOT287-1
September 1994 2
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September 1994 3
BLOCK DIAGRAM
AM/FM stereo radio circuit TEA5711; TEA5711T
Philips Semiconductors Product specification
Fig.1 Block diagram.
Page 4
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
PINNING
SYMBOL PIN DESCRIPTION
n.c. 1 not connected
AF-L
O
AF-R
O
PILFIL 4 pilot detector filter pin
FM-DEM 5 ceramic discriminator pin
IFGND 6 ground of IF, detector and MPX stages
FM-IF2
VSTAB
FM-IF1
AM-IF2
FM-IF1
VSTAB
I
B
O
I/O
I
A
FM-MIXER 13 output to ceramic IF filter (output impedance typ. 330 Ω)
AM-MIXER 14 open-collector output to IFT
AM-IF1
FM-RF
I
I
RFGND 17 FM-RF ground
AM-RF
I
RIPPLE 19 ripple capacitor pin
AM-AGC/FM-AFC 20 AGC/AFC capacitor pin
FM-RF
O
SUBGND 22 substrate and RF ground
FM-OSC 23 parallel tuned FM-oscillator circuit to ground
AM-OSC 24 parallel tuned AM-oscillator circuit to ground
V
P
IND 26 signal level output
VCO/AM-FM SWITCH 27 VCO and switch terminal: open for AM; ground for FM
AF
O
MPX
I
ST-LED 30 stereo indicator
LPF-M/S 31 pin for loop-filter and mono/stereo switch
MUTE 32 mute pin
2 left channel audio output (output impedance typ. 4.3 kΩ)
3 right channel audio output (output impedance typ. 4.3 kΩ)
7 second FM-IF input (input impedance typ. 330 Ω)
8 stabilized internal supply voltage (B)
9 first FM-IF output (output impedance typ. 330 Ω)
10 input/output to IFT; output: current source
11 first FM-IF input (input impedance typ. 330 Ω)
12 stabilized internal supply voltage (A)
15 input from IFT or ceramic filter (input impedance typ. 3 kΩ)
16 FM-RF aerial input (input impedance typ. 50 Ω)
18 parallel tuned AM aerial circuit to ground (total input capacitance typ. 3 pF)
21 parallel tuned FM-RF circuit to ground
25 positive supply voltage
28 AM/FM AF output (output impedance typ. 5 kΩ)
29 input for stereo decoder (input impedance typ. 180 kΩ)
September 1994 4
Page 5
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
Fig.2 Pin configuration; TEA5711. Fig.3 Pin configuration; TEA5711T.
September 1994 5
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Philips Semiconductors Product specification
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AM/FM stereo radio circuit TEA5711; TEA5711T
FUNCTIONAL DESCRIPTION
The AM circuit incorporates a double balanced mixer, a
one pin low-voltage oscillator (up to 30 MHz) a
field-strength indicator output and is designed for
distributed selectivity.
The AM input is designed to be connected to the top of a
tuned circuit. AGC controls the IF amplification and for
large signals it lowers the input impedance.
The first AM selectivity can be an IFT as well as an IFT
combined with a ceramic filter; the second one is an IFT.
The FM circuit incorporates a tuned RF stage, a double
balanced mixer, a one-pin oscillator, a field-strength
indicator output and is designed for distributed IF ceramic
filters. The FM quadrature detector uses a ceramic
resonator.
The PLL stereo decoder incorporates a signal dependent
stereo circuit, a soft-mute circuit and a stereo indicator
LED driver.
Supply voltage behaviour
The TEA5711 incorporates internal stabilized power
supplies. The maximum supply voltage is 12 V, the
minimum voltage can go down temporarily to 1.8 V without
any loss in performance.
Due to the capacitor at pin 19 (RIPPLE) the IC gives
excellent performance, even when the actual supply
voltage at pin 25 (V
) drops below the voltage at pin 19
P
(RIPPLE).
Figures 4, 5 and 6 show that V
, which is dominant for
stab
the overall IC performance, remains unaffected, even if V
drops down to 1.8 V or less. In this typical example the
static or average VP is equal to 2.5 V. Dips in V
stab
appear
only when the peak-to-peak value of the AC-component of
VP> 2 V, i.e. when the dynamic value of VP drops down to
1.5 V for a short moment.
P
Fig.4 Supply voltage behaviour; VP as a
function of time.
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Fig.5 Supply voltage behaviour; V
ripple
as a
function of time.
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September 1994 6
Fig.6 Supply voltage behaviour; V
function of time.
stab
as a
Page 7
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER MIN. MAX. UNIT
V
P
T
stg
T
amb
T
j
THERMAL CHARACTERISTICS
SYMBOL PARAMETER VALUE UNIT
R
th j-a
supply voltage 0 12 V
storage temperature −55 +150 °C
operating ambient temperature −15 +60 °C
junction temperature −15 +150 °C
thermal resistance from junction to ambient in free air
SDIP32 54 K/W
SO32 68 K/W
September 1994 7
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Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
CIRCUIT DESIGN DATA
PIN NO. PIN SYMBOL
1 n.c. −−
AF-L
2
3
output
AF-R
output
O
O
DC PIN VOLTAGE (V)
AM FM
0.65 0.65
0.65 0.65
EQUIVALENT CIRCUIT
4 PILFIL 0.95 0.95
5 FM-DEM − 1.0
6 IFGND 0 0
September 1994 8
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Philips Semiconductors Product specification
B
BBBB
BBBB
AM/FM stereo radio circuit TEA5711; TEA5711T
PIN NO. PIN SYMBOL
7
FM-IF2
I
input
8 VSTAB
B
DC PIN VOLTAGE (V)
EQUIVALENT CIRCUIT
AM FM
− 0.73
1.4 1.4
9
FM-IF1
O
− 0.69
output
10
AM-IF2
I/O
1.4 1.4
input/output
September 1994 9
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Page 10
Philips Semiconductors Product specification
B
AM/FM stereo radio circuit TEA5711; TEA5711T
PIN NO. PIN SYMBOL
11
FM-IF1
I
input
12 VSTAB
A
DC PIN VOLTAGE (V)
EQUIVALENT CIRCUIT
AM FM
− 0.73
BB
1.4 1.4
13
− 1.0
output
AM-MIXER
FM-MIXER
14
1.4 1.4
output
September 1994 10
Page 11
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
PIN NO. PIN SYMBOL
15
AM-IF1
I
input
16
FM-RF
I
input
DC PIN VOLTAGE (V)
EQUIVALENT CIRCUIT
AM FM
1.4 1.4
− 0.73
17 RFGND 0 0
18
AM-RF
I
00
input
September 1994 11
Page 12
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
PIN NO. PIN SYMBOL
19 RIPPLE 2.1 2.1
AM-AGC/
20
FM-AFC
DC PIN VOLTAGE (V)
AM FM
0.1 0.7
EQUIVALENT CIRCUIT
21 FM-RF
22 SUBGND 0 0
23 FM-OSC 0 0
September 1994 12
O
00
Page 13
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
PIN NO. PIN SYMBOL
24 AM-OSC 0 0
25 V
26
P
IND
output
DC PIN VOLTAGE (V)
AM FM
3.0 3.0
3.0 3.0
EQUIVALENT CIRCUIT
VCO and
27
28
September 1994 13
AM/FM
switch
AF
output
1.3 0.95
0.6 0.7
Page 14
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
PIN NO. PIN SYMBOL
MPX
29
input
30 ST-LED 3.0 3.0
DC PIN VOLTAGE (V)
AM FM
1.23 1.23
EQUIVALENT CIRCUIT
31 LPF-M/S 0.1 0.8
32 MUTE 0.7 0.7
September 1994 14
Page 15
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
AM CHARACTERISTICS
fi= 1 MHz; m = 0.3; fm= 1 kHz; VP= 3.0 V; measured in Fig.7 with S1 in position B, S2 in position A and S7 in
position A; unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
P
C
i
G
c
V
in1
V
in2
V
28
THD total harmonic distortion V
V
in1
I
IND
I
INDOFF
supply current no input signal 11.9 15.0 18.9 mA
input capacitance V20= 0.2 V − 3 − pF
front-end conversion gain V20= 0.2 V 1.8 3.3 5.0
RF sensitivity S/N = 26 dB 40 55 70 µV
IF sensitivity V28= 30 mV; S1 in position A 0.13 0.2 0.45 mV
AF output voltage V
= 3.16 mV; S1 in position A 36 45 70 mV
in2
=1mV − 0.8 2.0 %
in1
large signal handling m = 0.8; THD ≤ 8% 150 300 − mV
indicator current V
indicator OFF current V
= 100 mV; S1 in position A 120 170 230 µA
in2
= 0 V; S1 in position A − 010µA
in2
FM CHARACTERISTICS
= 100 MHz; ∆f = 22.5 kHz; fm= 1 kHz; VP= 3.0 V; measured in Fig.7 with S1 in position B, S2 in position A and S7 in
f
i
position A; unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
I
P
V
in3
V
in3
V
11/Vin3
supply current no input signal 13.5 16.5 20.2 mA
RF limiting sensitivity V28= −3 dB 0.4 1.2 3.8 µV
RF sensitivity S/N = 26 dB 1.0 2.0 3.8 µV
front-end voltage gain V
≤ 1mV;
in3
12 18 22 dB
including ceramic filter K1
V
in4
V
28
THD total harmonic distortion V
V
in3
I
IND
I
INDOFF
IF sensitivity S2 in position B; V28= −3dB − 20 30 µV
AF output voltage V
= 1 mV 50 61 72 mV
in3
= 1 mV; ∆f = 22.5 kHz − 0.3 0.8 %
in3
large signal handling THD ≤ 5% − 500 − mV
indicator current V
indicator OFF current V
= 100 mV; S2 in position B 190 255 320 µA
in4
= 0 V; S2 in position B − 02µA
in4
STEREO DECODER CHARACTERISTICS
fi= 1 kHz; V
= 195 mv; pilot = 20 mV; VP= 3.0 V; measured in Fig.7 with S1 in position B, S2 in position A, S6 in
in9(L+R)
position A, S7 in position A and S5 in position STEREO; unless otherwise specified.
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
A
MPX
MPX voltage gain V
AF-L/Vin9
S5 in position MONO −1.5 0 +1.0 dB
THD total harmonic distortion − 0.5 1.0 %
(S+N)/N signal plus noise-to-noise ratio pilot = 20 mV − 74 − dB
α
cs
SC stereo control V
α
MUTE
channel separation L = 1; R = 0 or L = 0; R = 1 26 30 − dB
= 120 µV − 30 − dB
in3
V
=10µV − 1 − dB
in3
AF output signal suppression V
≤ 2 µV − 20 − dB
in3
September 1994 15
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September 1994 16
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
Fig.7 Test circuit.
Page 17
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September 1994 17
APPLICATION INFORMATION
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
Fig.8 Application circuit of TEA5711 (AM: 522 to 1611 kHz, FM: 87.5 to 108 MHz) with stereo headphone amplifier TDA7050T.
Page 18
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
Fig.9 Printed-circuit board layout (track side) for application circuit of Fig.8.
September 1994 18
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Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
Fig.10 Printed-circuit board layout (component side) for application circuit of Fig.8.
September 1994 19
Page 20
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
Components for Figs 7 and 8
NUMBER TYPE DESCRIPTION CIRCUIT
Coils
L1 AM-AERIAL ferroceptor
length = 6 cm
L1-2 = 625 µH
N1-2 = 105 turns
unloaded Q
L2 FM-RF L1-2 =66nH
N1-2 = 2.5 turns
unloaded Q = 150T
TOKO type S18
TOKO number 301SS-0200
L3 FM-OSC L1-2 = 40 nH
N1-2 = 1.5 turns
unloaded Q = 150
TOKO type S18
TOKO number 301SS-0100
L4 AM-OSC L1-3 = 270 µH
N1-2 = 18
N2-3 = 70
unloaded Q = 100
wire diameter 0.07 mm
TOKO type 7P
material TOKO 7BRS
L5 AM-IF1 L1-3 = 625 µH
N1-2 = 17 turns
N2-3 = 141 turns
N4-6 = 10 turns
C1-3 = 180 pF
unloaded Q = 90
wire diameter 0.07 mm
TOKO type 7P
material TOKO 7MCS
L6 AM-IF2 L1-3 = 625 µH
N1-2 = 28 turns
N2-3 = 130 turns
C1-3 = 180 pF
unloaded Q = 90
wire diameter 0.07 mm
TOKO type 7P
material TOKO 7MCS
L7 FM-AERIAL printcoil
L1-2=60nH
N1-2 = 2.5 turns
September 1994 20
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Philips Semiconductors Product specification
B
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AM/FM stereo radio circuit TEA5711; TEA5711T
NUMBER TYPE DESCRIPTION CIRCUIT
L8 AM-RF test circuit only:
L1-3 = 40 µH
N1-3 = 34 turns
unloaded Q = 85
wire diameter 0.09 mm
TOKO type 7P
material TOKO 7BRS
Ceramic filters
K1 FM-IF1 Murata SFE 10.7 MS 2
K2 FM-IF2 Murata SFE 10.7 MS 2
K3 FM-DET Murata CDA 10.7 MC 40
Capacitors
C1 VARICON AM: 140/82 pF
FM: 2 × 20 pF
trimmer: 4 × 8pF
TOKO type number HU-22124
Application remarks
• Short circuiting: all pins are short-circuit proof except pin 16 (FM-RFI) with respect to the supply voltage pin.
• For an example of printed-circuit board layout: see Figs 9 and 10.
• Align VCO with aerial signal present.
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Fig.11 Typical AM audio voltage (VAF; signal at m = 0.3), noise and THD as a function of RF input
voltage (V
= 1 kHz). Measured in test circuit Fig.7 with VP= 3.0 V.
in1;fi
September 1994 21
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Philips Semiconductors Product specification
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B
B
BBBBBBB
B
BBBBBBB
B
BBBBBBBBBB
BBBBBBBBBB
B
BBBBBB
B
BBBBBB
BBBB
B
BBBB
BBBBB
B
BBBBB
BBBBB
B
BBBBB
BBBBB
B
BBBBB
BBBBB
B
BBBBB
BBBBB
B
BBBBB
BBBBB
B
BBBBB
BBBBBBBBBB
B
BBBBBBBBBB
BBBB
B
B
BBBB
BBBB
B
B
B
BBBB
AM/FM stereo radio circuit TEA5711; TEA5711T
BBBBB
BBBBB
BBBBB
BBBBB
BBBBB
BBBBB
BBBBB
BBBBB
BBBBB
BBBBB
BBBBB
BBBBB
Fig.12 Typical AM audio voltage (VAF; signal at m = 0.3), noise and THD as a function of field-strength (fi= 1 kHz).
Measured in application circuit Fig.8 with VP= 3.0 V.
BBB
BBBB
BBBB
BBBB
BBBB
BBBB
BBBBB
BBBBBBBBBBBBBBB
BBBB
BBBBBBBBB
BBB
BBB
BBB
BBB
BBB
BBBBBB
BBBB
Fig.13 Typical FM audio voltage (VAF; signal), noise, THD (at ∆f = 22.5 kHz and ∆f = 75 kHz) and indicator
current (level) as a function of RF input voltage (V
mute (mono) and with mute (mono and stereo). Channel separation at ∆f = 75 kHz. Measured in
test circuit Fig.7 with VP= 3.0 V.
September 1994 22
; ∆f = 22.5 kHz). Curves are shown without
in1
Page 23
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
PACKAGE OUTLINES
seating plane
3.2
2.8
1.6
max
29.4
28.5
3.8
4.7
max
max
0.51
min
M
1.778
(15x)
1.3 max
32
1
0.53
max
0.18
17
9.1
8.7
16
0.32 max
10.7
10.2
10.16
12.2
10.5
MSA270
Dimensions in mm.
Fig.14 Plastic shrink dual in-line package; 32 leads (400 mil); (SDIP32; SOT232-1).
September 1994 23
Page 24
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
pin 1
index
20.7
20.3
1.27
0.1 S
0.49
0.36
17
2.45
2.25
0.3
0.1
M
0.25
(32x)
S
32
116
0.95
(4x)
0.55
7.6
7.4
10.65
10.0
1.2
1.0
0.5
detail A
0.27
0.18
0 to 8
MSA235 - 2
A
2.65
2.35
o1.1
Dimensions in mm.
Fig.15 Plastic small outline package; 32 leads; body width 7.5 mm (SO32; SOT287-1).
September 1994 24
Page 25
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
SOLDERING
Plastic dual in-line packages
Y DIP OR WAVE
B
The maximum permissible temperature of the solder is
260 °C; this temperature must not be in contact with the
joint for more than 5 s. The total contact time of successive
solder waves must not exceed 5 s.
The device may be mounted up to the seating plane, but
the temperature of the plastic body must not exceed the
specified storage maximum. If the printed-circuit board has
been pre-heated, forced cooling may be necessary
immediately after soldering to keep the temperature within
the permissible limit.
R
EPAIRING SOLDERED JOINTS
Apply the soldering iron below the seating plane (or not
more than 2 mm above it). If its temperature is below
300 °C, it must not be in contact for more than 10 s; if
between 300 and 400 °C, for not more than 5 s.
Plastic small-outline packages
BYWAVE
During placement and before soldering, the component
must be fixed with a droplet of adhesive. After curing the
adhesive, the component can be soldered. The adhesive
can be applied by screen printing, pin transfer or syringe
dispensing.
Y SOLDER PASTE REFLOW
B
Reflow soldering requires the solder paste (a suspension
of fine solder particles, flux and binding agent) to be
applied to the substrate by screen printing, stencilling or
pressure-syringe dispensing before device placement.
Several techniques exist for reflowing; for example,
thermal conduction by heated belt, infrared, and
vapour-phase reflow. Dwell times vary between 50 and
300 s according to method. Typical reflow temperatures
range from 215 to 250 °C.
Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 min. at 45 °C.
R
EPAIRING SOLDERED JOINTS (BY HAND-HELD SOLDERING
IRON OR PULSE
-HEATED SOLDER TOOL)
Fix the component by first soldering two, diagonally
opposite, end pins. Apply the heating tool to the flat part of
the pin only. Contact time must be limited to 10 s at up to
300 °C. When using proper tools, all other pins can be
soldered in one operation within 2 to 5 s at between 270
and 320 °C. (Pulse-heated soldering is not recommended
for SO packages.)
For pulse-heated solder tool (resistance) soldering of VSO
packages, solder is applied to the substrate by dipping or
by an extra thick tin/lead plating before package
placement.
Maximum permissible solder temperature is 260 °C, and
maximum duration of package immersion in solder bath is
10 s, if allowed to cool to less than 150 °C within 6 s.
Typical dwell time is 4 s at 250 °C.
A modified wave soldering technique is recommended
using two solder waves (dual-wave), in which a turbulent
wave with high upward pressure is followed by a smooth
laminar wave. Using a mildly-activated flux eliminates the
need for removal of corrosive residues in most
applications.
September 1994 25
Page 26
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
DEFINITIONS
Data sheet status
Objective specification This data sheet contains target or goal specifications for product development.
Preliminary specification This data sheet contains preliminary data; supplementary data may be published later.
Product specification This data sheet contains final product specifications.
Limiting values
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.
Application information
Where application information is given, it is advisory and does not form part of the specification.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.
September 1994 26
Page 27
Philips Semiconductors Product specification
AM/FM stereo radio circuit TEA5711; TEA5711T
NOTES
September 1994 27
Page 28
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SCD35 © Philips Electronics N.V. 1994
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Philips Semiconductors
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