TDA4483 Datasheet, PDF (4/8 Pages) TEMIC Semiconductors – Intercarrier Mixer and AM-Demodulator for TV and VCR

TDA4483
Parameters
Test Conditions / Pins Symbol Min. Typ. Max. Unit
AM-mode; Test condition: sound carrier f_SC = 32.4 MHz
Sound carrier minimal input AF output voltage –3 dB
v_SC
50
mV
voltage
Pin 1, 2
Sound carrier gain control
range
AGC
60
65
dB
AF output voltage
m = 54%, f_mod = 1 kHz
v_AF
Pin 12
500
mV
Total harmonic distortion
m = 80%, f_mod = 1 kHz
THD
1.5
3.0
%
Pin 12
Allowable external resistance
Output resistance
Pin 12
R_ext
3
kW
Pin 12
R_O
30
W
Test Circuit
+V_S
AF output (AM)
Intercarrier output (FM)
22 mF
Standard switch
(AM / FM)
10 nF
14
13
12
11
10
9
8
TDA4483
1
2
3
4
5
6
7
10 mF
AGC
Sound carrier
Picture carrier
from vision circuit
Figure 2.
4 (8)
TELEFUNKEN Semiconductors
Rev. A1, 15-May-96