Philips TDA1596T - Manual (Page 7)

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