Philips TDA1596T User Manual
Page 8
April 1991
8
Philips Semiconductors
Product specification
IF amplifier/demodulator for FM radio
receivers
TDA1596T
Attack and decay (pin 16)
Pin 13 connected to ground *
+
I
16
charge current
−
8
−
µ
A
−
I
16
discharge current
−
120
−
µ
A
Pin 13 connected to V
ref
+
I
16
charge current
−
100
−
µ
A
−
I
16
discharge current
−
120
−
µ
A
Level detector
Dependence of output voltage on temperature
−
3.3
−
mV/VK
R
6
Output impedance
−
−
500
Ω
Dependence of output voltage (pin 6) on input voltage
(pin 20) (Fig.7):
V
6
V
20(rms)
≤
5
µ
V; I
2
= I
7
= 0 mA
0.1
0.7
1.3
V
V
6
V
20(rms)
= 1 mV; I
2
= I
7
= 0 mA
3.0
3.6
4.2
V
Slope of output voltage (pin 6) for input voltage range
V
20(rms)
≥
50
µ
V to V
20(rms)
≤
50 mV
1.4
1.7
2.0
V/20 dB
Dependence of output voltage (pin 6) on detuning
(Fig.8) at input voltage V
20(rms)
= 10 mV:
∆
V
6
detuning =
≤ ±
45 kHz
−
−
0.2
V
±∆
f
detuning for V
6
= 1.8 V
90
−
160
kHz
V
6
detuning =
±
200 kHz
0.5
0.7
0.9
V
|
∆
V
6
/
∆
f|
Slope of output voltage with detuning = 125
±
20 kHz
at V
20(rms)
= 10 mV
−
35
−
mV/kHz
Level shift control (pin 2) (Fig.9)
±∆
V
6
adjustment range
1.6
2.0
−
V
−
(
∆
V
6
/
∆
V
2
)
adjustment gain
−
1.7
−
V
V
6
output voltage at V
2
= V
5;
V
20(rms)
≤
5
µ
V
−
−
0.3
V
Low-pass filter at pin 8
Output voltage at I
7
= 0 mA;
V
8
V
20(rms)
≤
5
µ
V
−
2.2
−
V
R
8(int)
Internal resistance
12
25
50
k
Ω
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
V
6
∆
V
6
T
∆
--------------
V
6
∆
20
V
20
log
∆
----------------------------