tda4474-msd ATMEL Corporation, tda4474-msd Datasheet - Page 8

• Manufacturer Part Number: tda4474-msd
• Description: Multistandard Video-if And Quasi Parallel Sound Processing
• Manufacturer: ATMEL Corporation

TDA4474
AFC switch
Control voltage:
Switching current
L’ and VIF input selector switch
Control voltage:
Control voltage:
Switching current
SIF inputs
Input sensitivity, RMS value
Input impedance
Input capacitance
SIF – AGC
IF gain control range
AGC capacitor
Intercarrier output
DC output voltage
Output resistance
Intercarrier output voltage,
RMS value
Weighted signal to noise
ratio: (CCIR 468)
Ripple rejection,
AF output – AM
DC output voltage
Output resistance
AF output voltage, RMS
value
Total harmonic distortion
Signal to noise ratio
Ripple rejection
SIF input selector switch
8 (16)
AFC “off”
AFC curve rising
AFC curve falling
VIF input 2 active
VIF input 1 active
L’-VCO frequency
L-VCO frequency
Parameters
Standard switch in mode 1
(negative modulation)
Standard switch in mode 2
(positive modulation)
V
Output signal: –3 dB
See note 1
See note 1
See note 1
v
5.5 MHz output voltage
Reference signal:
v
FM dev. =
f
tested with the double FM
demod. U2860B;
B/G mod. VIF signal
Black screen: Channel 1/2
Grid pattern: Channel 1/2
Grey screen 50%:
Pins 25, 26, see note 1
See note 1
m = 54 %
m = 54 %
f
Reference: m = 54%,
f
22 kHz low pass filter
Pins 25, 27, see note 1
mod
mod
mod
in
in
sw
Test Conditions / Pins
= 10 mV
=10 mV;
= 0
= 1kHz, 12.5kHz
= 1 kHz;
= 1 kHz,
"
Pin 16 see note 8
Pin 26 see note 9
27 kHz
Channel 1/2
Pin 21 see note 7
Pins 1–2, 29–30
Pin 5
Pin 27 see note 10
Pin 3
Symbol
C
V
V
THD
V
V
v
R
R
V
v
S/N
S/N
S/N
S/N
RR
RR
I
I
R
C
v
G
AGC
oAF
sw
sw1
sw2
sw
out
DC
out
DC
out
sw
in
in
in
v
Min.
180
400
1.5
3.5
3.4
3.4
60
35
28
0
0
0
"
60/58
54/52
60/57
Typ.
150
250
150
500
1.2
2.2
80
65
10
65
100
2
2
1
Rev. A2, 04-Dec-98
Max.
700
120
350
630
0.8
2.5
3.0
4.5
3.0
4.5
V
2
s
mV
mV
m
V
Unit
m
m
k
dB
m
dB
dB
dB
dB
dB
dB
pF
%
V
V
V
V
V
V
V
V
W
V
W
RMS
W
A
A
RMS
RMS
F