Features: ·SERIAL BUS CONTROLVIDEO· CORRELATED DOUBLE SAMPLING OF THE CCD SIGNAL· DIGITALLY CONTROLLED VARIABLE AMPLI. FIER AND BLACK CLAMP LEVEL·8 BITS PIXEL RATE ADCAUDIO· MICROPHONE PREAMP WITH SWITCHABLE AGC (RANGE 34dB - 60dB) OR FIXED GAINPinoutSpecifications Symbol Parameter Va...
STV0502: Features: ·SERIAL BUS CONTROLVIDEO· CORRELATED DOUBLE SAMPLING OF THE CCD SIGNAL· DIGITALLY CONTROLLED VARIABLE AMPLI. FIER AND BLACK CLAMP LEVEL·8 BITS PIXEL RATE ADCAUDIO· MICROPHONE PREAMP WITH S...
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Symbol |
Parameter |
Value |
Unit |
VDD, VCC |
Supply Voltage |
-0.5, 7 |
V |
VI |
Digital Input Pin Voltage |
-0.5, VDD + 0.5 |
V |
II |
Digital Input Pin Current |
1.6 |
mA |
Tstg |
Storage Temperature |
+80 |
|
Toper |
Operating Temperature |
0, +70 |
|
Tlead |
Lead Temperature (10s Max.) |
+260 |
The chip STV0502 integrates the analog functions needed in a CCD Video Camera, more particularly for videoconferencing purpose.
The STV0502 CCD signal is sampled, amplified to a useful level and digitized by an 8 bits ADC. The gain of the amplifier and the black level clamp can be adjusted by a serial bus.
The audio microphone preamplifier STV0502 allows a microphone to be connected to the chip, which outputs a differential audio line level signal ready for digital conversion or straight amplification. The preamplifier incorporates an AGC to adapt to the income signal level. The AGC is switchable ON/OFF by the serial interface