TDA1576 Philips Semiconductors, TDA1576 Datasheet - Page 6

• Manufacturer Part Number: TDA1576
• Description: FM/IF amplifier/demodulator circuit
• Manufacturer: Philips Semiconductors

Philips Semiconductors
CHARACTERISTICS
V
T
minimum second harmonic distortion for V
1998 Nov 18
Supply
I
IF amplifier/detector
V
V
R
Z
C
R
V
V
THD
V
SYMBOL
S
------------- -
---------------- -
amb
P
P
4-6
iIF(rms)
oIF(p-p)
8, 9
oAF(rms)
AM
iIF
100
3-7
4-6
8, 9
FM/IF amplifier/demodulator circuit
V
N
= 7.5 to 20 V; f
+
8 9
f
N
o
= 25 C and measurements taken in Fig.1; unless otherwise specified. The demodulator circuit is adjusted at
–
supply current without load
input sensitivity (RMS value; pin 15)
output voltage at pins 3 and 7
(peak-to-peak value)
output resistance
input impedance
input capacitance
output resistance
DC output voltage
AF output voltage (RMS value)
total harmonic distortion
signal plus noise-to-noise ratio
(pins 8 and 9)
AM suppression
IF input voltage
hum suppression at f = 100 Hz
AFC tuning slope at Q
single tuned circuit
two tuned circuits
IF
= 10.7 MHz; R
PARAMETER
S
L
= 60 ; f
= 20
iIF
= 1 mV and a deviation f = 75 kHz.
m
= 400 Hz with f = 22.5 kHz; 50 s de-emphasis (C
I
I
Z
1 M
V
V
Q
Q
Q
B = 250 Hz to 15 kHz;
V
B = 250 Hz to 15 kHz;
V
V
FM: 70 Hz; f = 22.5 kHz;
AM: 1 kHz; m = 30%; note 1
V
C
V
V
S
------------- -
S
------------- -
12
12
3 dB before limiting
3, 7
P
P
i
i
iIF
P
P
P
2
L
L
L
> 40 dB
N
N
+
+
> 1 mV (RMS); V
> 1 mV (RMS); V
= I
= I
= 47 F
= 8.5 V
= 15 V
= 20; V
= 20; V
= 20
= 100 mV (RMS);
= 8.5 V
= 15 V
= 10 mV;
N
N
= 10 pF parallel to
13
13
= 26 dB
= 46 dB
CONDITIONS
6
= 0; V
= 0; V
P
P
= 8.5 V
= 15 V
P
P
= 8.5 V
= 15 V
P
P
= 8.5 V
= 15 V
10
12
60
120
0.5
43
MIN.
16
18
22
8
35
680
250
30
1
3.7
5.5
9.8
67
135
0.1
0.02
76
80
54
48
8.5
17
TYP.
Product specification
8 9
23
25
30
75
150
500
MAX.
TDA1576
= 6.8 nF);
mA
mA
mV
k
pF
k
V
V
mV
mV
%
%
dB
dB
dB
mV
dB
mV/kHz
mV/kHz
UNIT
V
V
V