SPT7935 View Datasheet(PDF) - Cadeka Microcircuits LLC.

Part Name

Description

Manufacturer

SPT7935

12-BIT, 20 MSPS, 79 mW A/D CONVERTER

Cadeka Microcircuits LLC. 

PIN ASSIGNMENTS

GND 1

CLK

2

N/C 3

VDD3

4

VDD2

5

VDD2

6

VDD1

7

VDD1

8

VDD1

9

VREF- 10

VREF+

11

33 D10

32 D11 (MSB)

31 GND

30 GND

29 GND

28 GND

27

GND

26 GND

25 GND

24 GND

23 GND

PIN FUNCTIONS

Name

Function

VIN+, VIN–

VREF+, VREF–

CLK

VCM

Bias 1

Bias 2

D0 – D11

GND

VDD1

VDD2

VDD3

N/C

Analog Inputs

External Reference Inputs

Input Clock

Common Mode Output Voltage

(1.65 V typ)

Bias Current (90 µA typ)

Bias Current (9.5 µA typ)

Digital Outputs (D0 = LSB)

Analog Ground

Analog Power Supply

Digital Power Supply

Digital Output Power Supply

No Connect Pins. Recommended to

connect to analog ground.

ORDERING INFORMATION

PART NUMBER

SPT7935SIT

TEMPERATURE RANGE

–40 to +85 °C

PACKAGE TYPE

44L TQFP

SPT7935

8

7/12/00

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