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參數(shù)資料
| 型號(hào)： | STV0502 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | CCD SENSORS ANALOG PROCESSOR IC |
| 中文描述： | CCD傳感器模擬處理器IC |
| 文件頁數(shù)： | 1/15頁 |
| 文件大小： | 158K |
| 代理商： | STV0502 |
STV0502
CCD SENSORS ANALOG PROCESSOR IC
October 1998
.
SERIAL BUS CONTROL
VIDEO
.
CORRELATED DOUBLE SAMPLING OF THE
CCD SIGNAL
.
DIGITALLY CONTROLLED VARIABLE AMPLI-
FIER AND BLACK CLAMP LEVEL
.
8 BITS PIXEL RATE ADC
AUDIO
.
MICROPHONE PREAMP WITH SWITCHABLE
AGC (RANGE 34dB - 60dB) OR FIXED GAIN
DESCRIPTION
The chip integrates the analog functions needed in
a CCD Video Camera, more particularly for video-
conferencing purpose.
The 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 allows a micro-
phone to be connected to the chip, which outputs
a differential audio line level signal ready for digital
conversion or straight amplification. The preampli-
fier incorporates an AGC to adapt to the income
signal level. The AGC is switchable ON/OFF by the
serial interface.
TQFP44 Full (10 x 10 x 1.40mm)
(Plastic Quad Flat Pack)
ORDER CODE :
STV0502
33
32
31
30
29
1
2
3
4
5
40
41
42
43
44
18 19 20 21 22
DATA6
DATA5
DATA4
AF_OUT-
AF_OUT+
V
CC
CAGC
V
C
G
S
V
S
O
F
F
8
9
10
11
7
6
16 17
14 15
12 13
28
27
26
25
24
23
39 38 37 36 35 34
SCLK
ADC_CLOCK
GND
MICRO_IN
MIC_REF
ACC
V
BIAS
V
D
D
D
D
D
V
D
DATA7
NOT USED
NOT USED
V
SS
VAGCIN
CDS_OUT
CDS_REF
CDS_IN
G
V
C
V
T
V
B
B
N
O
A
T
0
PIN CONNECTIONS
1/15
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