TDA5666-5 Просмотр технического описания (PDF) - Siemens AG
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TDA5666-5 Datasheet PDF : 22 Pages
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TDA 5666-5
AC/DC-Characteristics (cont’d)
TA = 25 oC; VS = 12 V
Parameter
Symbol
Limit Values
Unit
min. typ. max.
Stability of mod.
∆mD
depth
∆mD
1
± 2.5 %
1
± 2.5 %
Test
Condition
∆VVideo = 1 Vpp
± 3 dB;
TA = 0-60 oC
Test
Circuit
6
6
∆mD
Differential gain
αdif
Differential phase Φdif
1
± 2.5 %
VS = 10-13.5 V
6
10
%
7
15
deg measured with 7
measurement
demodulator,
video test signals
and vector scope
Amplitude response of video signal; VVideo = 1 Vpp with additional modulation f = 15 kHz-5 MHz
sine signal between black and white
αV
0
1.5
dB
8
Period of time required for peak white detector to reach steady state for full modulation depth with
1-white pulse per half frame when control is already in the steady state
t
6
50
µs
C at pin 11 = 10 µF; 1
I leakage ≤ 2 µA
Setting time for video signal change from 0 Vpp to 1.4 Vpp; video blanking signal content is
uniform white level
t
120 500 µs
1
Setting time for video blanking signal from 100% white level to 42% grey level with subsequent
rise in grey level to 71% of video blanking signal (due to decontrol process)
t
0.4 2
10
min
1
Audio
Audio oscillator frequency range; unloaded Q factor of resonance circuit Qu = 25;
fresonance = 5.5 MHz
fA/OSC
4
7
MHz
1
Switch-on, warm-up drift of oscillator frequency; TC-value of capacitor in audio oscillator circuit
is 0, the drift is only based on self-heating of component
Audio signal
frequency deviation
FM-mod.; total
harmonic distortion
∆ fA/OSC
∆ fA/OSC
THDFM
5
15
5
10
0.6 1.5
kHz TA = const.;
1
kHz VS = 10.0-13.5 V; 1
Qu = 25
%
V1 = 150 mVrms 9
Semiconductor Group
9
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