NXP Semiconductors TDA8752B Philips Semiconductors TDA8752B, 7.2 Pin description

Philips Semiconductors TDA8752B

Triple high-speed Analog-to-Digital Converter 110 Msps

Product speciﬁcation Rev. 03 — 21 July 2000 8 of 38

7.2 Pin description

Table 3: Pin description

Symbol Pin Description

n.c. 1 not connected

DEC2 2 main regulator decoupling input 2

Vref 3 gain stabilizer voltage reference input

DEC1 4 main regulator decoupling input 1

n.c. 5 not connected

RAGC 6 red channel AGC output

RBOT 7 red channel ladder decoupling input (BOT)

RGAINC 8 red channel gain capacitor input

RCLP 9 red channel gain clamp capacitor input

RDEC 10 red channel gain regulator decoupling input

VCCA(R) 11 red channel gain analog power supply

RIN 12 red channel gain analog input

AGNDR13 red channel gain analog ground

GAGC 14 green channel AGC output

GBOT 15 green channel ladder decoupling input (BOT)

GGAINC 16 green channel gain capacitor input

GCLP 17 green channel gain clamp capacitor input

GDEC 18 green channel gain regulator decoupling input

VCCA(G) 19 green channel gain analog power supply

GIN 20 green channel gain analog input

AGNDG21 green channel gain analog ground

BAGC 22 blue channel AGC output

BBOT 23 blue channel ladder decoupling input (BOT)

BGAINC 24 blue channel gain capacitor input

BCLP 25 blue channel gain clamp capacitor input

BDEC 26 blue channel gain regulator decoupling input

VCCA(B) 27 blue channel gain analog power supply

BIN 28 blue channel gain analog input

AGNDB29 blue channel gain analog ground

n.c. 30 not connected

n.c. 31 not connected

I2C/3W 32 selection input between I2C-bus (active HIGH) and 3-wire

serial bus (active LOW)

ADD1 33 I2C-bus address control input 1

ADD2 34 I2C-bus address control input 2

TCK 35 scan test mode input (active HIGH)

TDO 36 scan test output

DIS 37 I2C-bus and 3-wire serial bus disable control input (disable at

HIGH level)

SEN 38 select enable for 3-wire serial bus input (seeFigure 10)