TDA8757 datasheet(8/37 Pages) PHILIPS

8 / 37 page

Philips Semiconductors

TDA8757

Triple 8-bit ADC 170 Msps

Preliminary data

Rev. 07 — 28 February 2002

8 of 37

9397 750 09457

AGCR

red channel AGC output

BOTR

red channel ladder decoupling input (BOT)

GAINCR

red channel gain capacitor input

CLPR

red channel clamp capacitor input

DECR

red channel regulator decoupling input

VCCA(R)

red channel analog supply voltage

INR

red channel analog input

n.c.

not connected

AGNDR

red channel gain analog ground

n.c.

not connected

AGCG

green channel AGC output

BOTG

green channel ladder decoupling input (BOT)

GAINCG

green channel gain capacitor input

CLPG

green channel clamp capacitor input

DECG

green channel regulator decoupling input

VCCA(G)

green channel analog supply voltage

ING

green channel analog input

AGNDG

green channel gain analog ground

INSOG

sync on green channel input

SOGO

composite sync output

n.c.

not connected

AGCB

blue channel AGC output

BOTB

blue channel ladder decoupling input (BOT)

GAINCB

blue channel gain capacitor input

CLPB

blue channel clamp capacitor input

DECB

blue channel regulator decoupling input

VCCA(B)

blue channel analog supply voltage

INB

blue channel analog input

AGNDB

blue channel gain analog ground

n.c.

not connected

n.c.

not connected

n.c.

not connected

I2C/3W

selection input between I2C-bus (active HIGH) and 3W-bus

(active LOW)

I2C-bus address control input 1

I2C-bus address control input 2

TCK

scan test mode input (active HIGH)

TDO

scan test output

DIS

I2C-bus and 3W-bus disable control input (disable at HIGH

level)

SEN

select enable input for 3W-bus

Table 3:

Pin description…continued

Symbol

Description

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