TDA8768HSLASH4 datasheet(4/20 Pages) PHILIPS

4 / 20 page

1998 Aug 26

Philips Semiconductors

Preliminary speciﬁcation

12-bit high-speed Analog-to-Digital

Converter (ADC)

TDA8768

PINNING

SYMBOL

DESCRIPTION

n.c.

not connected

VCCA1

analog supply voltage 1 (+5 V)

VCCA3

analog supply voltage 3 (+5 V)

AGND3

analog ground 3

n.c.

not connected

n.c.

not connected

n.c.

not connected

n.c.

not connected

VCCA2

analog supply voltage 2 (+5 V)

AGND2

analog ground 2

Vref

reference voltage input

n.c.

not connected

n.c.

not connected

n.c.

not connected

VCCD2

digital supply voltage 2 (+5 V)

n.c.

not connected

DGND2

digital ground 2

OTC

control input twos complement

output; active HIGH

chip enable input

(CMOS level; active LOW)

in-range output

D11

data output; bit 11 (MSB)

D10

data output; bit 10

data output; bit 9

data output; bit 8

data output; bit 7

data output; bit 6

data output; bit 5

data output; bit 4

data output; bit 3

data output; bit 2

data output; bit 1

data output; bit 0 (LSB)

VCCO

output supply voltage (3 to 5.25 V)

OGND

output ground

CLK

complementary clock input; active

LOW

CLK

clock input

VCCD1

digital supply voltage 1 (+5 V)

DGND1

digital ground 1

sample-and-hold enable input

(CMOS level; active HIGH)

AGND4

analog ground 4

VCCA4

analog supply voltage 4 (+5 V)

positive analog input voltage

negative analog input voltage

AGND1

analog ground 1

SYMBOL

DESCRIPTION

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