TDA8764HLSLASH8 datasheet(5/28 Pages) PHILIPS

5 / 28 page

1999 Jan 12

Philips Semiconductors

Preliminary speciﬁcation

10-bit high-speed low-power ADC with

internal reference regulator

TDA8764

PINNING

SYMBOL

PINS

DESCRIPTION

SSOP28

LQFP32

CLK

clock input

twos complement input (input active LOW)

VCCA

analog supply voltage (+5 V)

AGND

analog ground

DEC

decoupling input

VRB

reference voltage BOTTOM input

VRM

reference voltage MIDDLE input

analog input voltage

VRT

reference voltage TOP input

output enable input (input active LOW)

VCCD2

digital supply voltage 2 (+5 V)

DGND2

digital ground 2

VCCO

supply voltage for output stages (2.7 to 3.6 V)

OGND

output ground

GRAY

gray code input (input active HIGH)

data output; bit 0 (LSB)

data output; bit 1

data output; bit 2

data output; bit 3

data output; bit 4

data output; bit 5

data output; bit 6

data output; bit 7

data output; bit 8

data output; bit 9 (MSB)

in-range data output

DGND1

digital ground 1

VCCD1

digital supply voltage 1 (+5 V)

n.c.

−

1, 9, 11 and 32 not connected

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