SPT7935 datasheet(1/8 Pages) CADEKA

Part #	SPT7935

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

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Manufacturer	CADEKA [Cadeka Microcircuits LLC.]

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SPT7935

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

FEATURES

• 12-Bit, 20 MSPS Analog-to-Digital Converter

• Monolithic CMOS

• Internal Track-and-Hold

• Low Input Capacitance: 1.4 pF

• Low Power Dissipation: 79 mW

• 2.8 – 3.6 V Power Supply Range

• TTL-Compatible Outputs

APPLICATIONS

• CCD Imaging Cameras and Sensors

• Medical Imaging

• RF Communications

• Document and Film Scanners

• Electro-Optics

• Transient Signal Analysis

• Handheld Equipment

GENERAL DESCRIPTION

The SPT7935 12-bit, 20 MSPS analog-to-digital converter

has a pipelined converter architecture built in a CMOS

process. It delivers high performance with a typical power

dissipation of only 79 mW. With low distortion and high

dynamic range, this device offers the performance needed

for imaging, multimedia, telecommunications and instrumen-

tation applications.

The SPT7935 is available in a 44-lead Thin Quad Flat Pack

(TQFP) package in the industrial temperature range (–40 to

+85

°C).

BLOCK DIAGRAM

Stage

1

Stage

2

Stage

9

Stage

10

2-Bit

ADC

Clock

Driver

Digital Delays, Error Correction and Output

VIN+

VIN–

VREF+

VREF–

CLK

Digital Output (D0 – D11)

12

DAC

ADC

+

G=2

–

D<1…0> Pipeline Stage

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SPT7935 Datasheet(PDF) 1 Page - Cadeka Microcircuits LLC.

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