TDA8784 Datasheet, PDF(5/28 Page) NXP Semiconductors – 18 Msps, 10-bit analog-to-digital interface for CCD cameras

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

TDA8784 Datasheet, PDF (5/28 Pages) NXP Semiconductors – 18 Msps, 10-bit analog-to-digital interface for CCD cameras

◁

Philips Semiconductors

18 Msps, 10-bit analog-to-digital

interface for CCD cameras

Product speciï¬cation

TDA8784

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 ampliï¬er output (ï¬xed gain = 6 dB)

AGND1

5 analog ground 1

VCCA1

AGCOUT

6 analog supply voltage 1

7 AGC ampliï¬er 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

Vref

11 clamp control input for ADC analog input signal clamp (used with a capacitor from Vref to ground)

12 ADC input clamp reference voltage (normally connected to pin VRB or DACOUT, or shorted to

ground via a capacitor)

DACOUT 13 DAC output for ADC clamp level

AGND2 14 analog ground 2

VCCA2

VRB

VRT

DEC1

15 analog supply voltage 2

16 ADC reference voltage (BOTTOM) code 0

17 ADC reference voltage (TOP) code 1023

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 Table 1

SCLK

21 serial clock input for the control DACs and their serial interface; see Table 1

SEN

22 enable input for the serial interface shift register (active when SEN = logic 0); see Table 1

STDBY

23 standby control pin (active HIGH); all the output bits are logic 0 when standby is enabled

VCCD1

DGND1

24 digital supply voltage 1

25 digital ground 1

26 ADC digital output 0 (LSB)

27 ADC digital output 1

28 ADC digital output 2

29 ADC digital output 3

30 ADC digital output 4

31 ADC digital output 5

32 ADC digital output 6

33 ADC digital output 7

34 ADC digital output 8

35 ADC digital output 9 (MSB)

OGND

36 digital output ground

VCCO

37 digital output supply voltage

1999 Sep 21

▷