TDA4472-M Datasheet, PDF (7/14 Pages) TEMIC Semiconductors – Video-IF and Quasi Parallel Sound Processing

TDA4472-M
Parameters
Video frequency response over
the AGC range
Differential gain error
Differential phase error
Intermodulation
1.07 MHz
Video signal to noise ratio
Residual vision carrier
fundamental wave 38.9 MHz
and second harmonic 77.8 MHz
Lower limiting level
Upper limiting level
Ripple rejection
AFC output
Control slope
Frequency drift by temperature
Output voltage – upper limit
– lower limit
Output current
AFC switch
Control voltage: AFC “off”
AFC “on”
Switching current
SIF inputs
Input sensitivity
(RMS value)
Input impedance
Input capacitance
SIF-AGC
IF gain control range
AGC capacitor
Intercarrier output-FM
DC output voltage
Output resistance
Sound IF output voltage
(5.5 MHz output voltage)
Weighted signal to noise ratio:
(CCIR 468)
Ripple rejection
SIF input selector switch
Test Conditions / Pins
See note 6
Weighted, CCIR-567
Symbol Min.
∆Β
DG
DP
a_IM
52
S/_N
56
v_res1
Below sync level
Above ultra white level
See note 1, Pin 23/Pin 12
Pin 22
Related to the picture
carrier frequency
∆V_lim1
∆V_lim2
RR
35
∆I/_∆f
V_AFC V_S–0.4
Pin 19
I_AFC
See note 7
V_SW
0
3.5
I_SW
Pin 1-2, 27-28
Output signal
v_in
at Pin 24/25: –3 dB
See note 1
See note 1
R_in
C_in
Pin 5
Pin 24
G_v
60
C_AGC
see note 8
See note 1
v_in = 10 mV
V_DC
R_out
v_out
180
Ref. signal:
v_in = 10 mV;
FM dev. = ±27 kHz
f_mod = 1 kHz;
tested with the double
FM demod. U2860B;
B/G modulated VIF signal
Black screen: Channel 1/2 S/N
Grid pattern: Channel 1/2
S/N
Grey screen 50%: Channel S/N
1/2
See note 1, Pin 23/Pin 24
RR
35
Pin 3
Typ.
2
2
60
60
2
400
600
0.7
0.25
±0.2
±100
80
1.2
2
65
10
2
150
250
60/58
54/52
60/57
Max. Unit
2.0
dB
5
%
5
deg
dB
dB
10
mV
mV
mV
dB
mA/kHz
0.6
%
V
0.4
V
mA
0.8
V
V_S
V
mA
m 120
V_RMS
kW
pF
dB
mF
V
W
350 mV_RMS
dB
dB
dB
dB
TELEFUNKEN Semiconductors
7 (14)
Rev. A2, 15-Oct-96
Preliminary Information