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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
Tabl e 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