2002 Oct 23
5
Philips Semiconductors
Product specification
40 Msps, 10-bit analog-to-digital
interface for CCD cameras
TDA8783
PINNING
SYMBOL
PIN
DESCRIPTION
CLPOB
1
clamp pulse input at optical black
AGND4
2
analog ground 4
OFDOUT
3
analog output of the additional 8-bit control DAC (controlled via the serial interface)
AMPOUT
4
CDS amplifier output (fixed gain = 6 dB)
AGND1
5
analog ground 1
V
CCA1
6
analog supply voltage 1
AGCOUT
7
AGC amplifier signal output
CPCDS
8
clamp storage capacitor pin
AGND5
9
analog ground 5
ADCIN
10
ADC analog signal input from AGCOUT via a short circuit
CLPADC
11
clamp control input for ADC analog input signal clamp (used with a capacitor from V
ref
to ground)
V
ref
12
ADC input clamp reference voltage (normally connected to pin V
RB
or DACOUT, or connected to
ground via a capacitor)
DACOUT
13
DAC output for ADC clamp level
AGND2
14
analog ground 2
V
CCA2
15
analog supply voltage 2
V
RB
16
ADC reference voltage (BOTTOM) code 0
V
RT
17
ADC reference voltage (TOP) code 1023
DEC1
18
decoupling 1 (decoupled to ground via a capacitor)
AGND6
19
analog ground 6
SDATA
20
serial data input for the 4 control DACs (9-bit DAC for AGC gain, 8-bit DAC for frequency cut-off;
additional 8-bit DAC for OFD output voltage; 10-bit DAC for ADC clamp level and the standby
mode per block and edge pulse control); see Fig.3, Fig.4 and Table 1
SCLK
21
serial clock input for the control DACs and their serial interface; see Fig.3, Fig.4 and Table 1
SEN
22
enable input for the serial interface shift register (active when SEN = logic 0); see Fig.3, Fig.4 and
Table 1
STDBY
23
standby control (active HIGH); all the output bits are logic 0 when standby is enabled
V
CCD1
24
digital supply voltage 1
DGND1
25
digital ground 1
D0
26
ADC digital output 0 (LSB)
D1
27
ADC digital output 1
D2
28
ADC digital output 2
D3
29
ADC digital output 3
D4
30
ADC digital output 4
D5
31
ADC digital output 5
D6
32
ADC digital output 6
D7
33
ADC digital output 7
D8
34
ADC digital output 8
D9
35
ADC digital output 9 (MSB)
OGND
36
digital output ground
