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Philips Semiconductors
IF amplifier/demodulator for FM radio
receivers
CHARACTERISTICS
f = 10.7 MHz; V
= V
P
1-17
10, 11 aligned for symmetrical stop pulses; all voltages are referred to ground (pin 17), unless otherwise specified
SYMBOL
Supplies
V
= V
Supply voltage
P
1
I
Supply current at I
1
FM demodulator
R
Input impedance
10-11
C
10-11
V
DC output voltage (no-signal condition) at
4
V
10, 11(p-p)
R
Output impedance
4-17
Mute attenuator control voltage
Control voltage (pin 16)
V
at V
16
20(rms)
V
at V
16
20(rms)
R
Output impedance (pin 16)
10-17
V
Level shift input (pin 2) internal bias voltage at
2
I
= 0 mA
2
R
input impedance
2-17
Internal muting (Fig.6)
Internal attenuation of signals
22.5 kHz
A = 20log[ V
A
at V
16
A
at V
16
A
at V
16
April 1991
= 8.5 V; V
= V
= 1 mV; T
I
20 (rms)
PARAMETER
= I
= 0 mA
2
7
100 V; V
5 V
20(rms)
5 V
= 1 mV
detuning
80 kHz;
(FM mute-off)/ V
4
1 V
5
= 0.77 V
5
= 0.55 V
5
= 25 C; measured in the circuit of Fig.3; tuned circuit at pins
amb
(FM)]
4
7
MIN.
TYP.
7.5
8.5
20
25
40
6
2.75
3.10
400
2.0
3.45
1.4
15
0
1.5
3.0
20
Product specification
TDA1596T
MAX.
UNIT
12.0
V
26
mA
55
k
pF
3.45
V
V
V
2.0
M
V
k
dB
4.5
dB
dB
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