SPT7864SCR datasheet(8/8 Pages) CADEKA

8 / 8 page

11/20/01

SPT7864

ORDERING INFORMATION

PART NUMBER

TEMPERATURE RANGE

PACKAGE TYPE

SPT7864SCR

0 to +70 °C

28L SSOP

PIN FUNCTIONS

Name Function

GND

Analog ground

VDD

Analog +5 V

OGND

Output ground

OVDD

Supply voltage for digital outputs 3 V/5 V

REFL

Reference pin low, input for external

reference, bypass with capacitor (10 µF)

when internal reference is selected.

REFH

Reference pin high, input for external

reference, bypass with capacitor (10 µF)

when internal voltage is selected.

VCM

2.5 V common mode voltage reference output

VIN

Non-inverted analog input

VIN

Inverted analog input

CLK

Clock input pin

CLK

Complement of clock input pin, internally

biased to 1.5 V; if single-ended clock is used,

bypass to GND with 10 µF

D0–D9

Digital outputs; D0 = LSB; 3 V/5 V compatible

Out-of-range bit; 3 V/5 V compatible

EXT/INT

EXT/INT = 1, external reference used; internal

reference powered down

EXT/INT = 0, internal reference used;

internally pulled down

Sleep

Sleep = 1, normal operation; internally pulled

Sleep = 0, powered-down mode

GND

VDD

REFL

REFH

VCM

GND

VDD

VIN

CLK

OGND

OVDD

OGND

OVDD

D9 (MSB)

EXT/INT

VIN

SPT7864

28L SSOP

CLK

Sleep

PIN ASSIGNMENTS

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