Datasheet > SPT9712AIP

SPT9712AIP

更新时间： 2024-09-15 06:13:31

品牌	Logo	应用领域
CADEKA		转换器
页数	文件大小	规格书
7页	137K
描述
12-BIT, 100 MWPS ECL D/A CONVERTER

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数据手册

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SPT9712AIP 数据手册

SPT9712

12-BIT, 100 MWPS ECL D/A CONVERTER

TECHNICAL DATA

FEBRUARY 15, 2001

FEATURES

APPLICATIONS

•12-Bit, 100 MWPS digital-to-analog converter

•ECL compatibility

•Low power: 600 mW

• Fast frequency hopping spread spectrum radios

•Direct sequence spread spectrum radios

•Microwave and satellite modems

•1/2 LSB DNL

•Test & measurement instrumentation

•40 MHz multiplying bandwidth

•Industrial temperature range

•Superior performance over AD9712

– Improved settling time of 13 ns

– Improved glitch energy 15 pV-s

– Master-slave latches

GENERAL DESCRIPTION

The SPT9712 is a 12-bit, 100 MWPS digital-to-analog gered (see figure 1), whereas the Latch Enable (LE, pin

converter designed for direct digital synthesis, high reso- 26) for the AD9712 functions in the transparent mode.

lution imaging, and arbitrary waveform generation applica-

The SPT9712 is an ECL-compatible device. It features a

tions.

fast settling time of 13 ns and low glitch impulse energy of

This device is pin-for-pin compatible with the AD9712 with 15 pV-s, which results in excellent spurious-free dynamic

significantly improved performance. The only difference range characteristics.

between the SPT9712 and the AD9712 is that the Latch

The SPT9712 is available in a 28-lead PLCC package in

Enable (LE, pin 26) for the SPT9712 is rising-edge trig-

the industrial temperature range (–40 to +85 °C).

BLOCK DIAGRAM

R_Set

Control

Amp

Control

Amp Out

Control Amp In

Ref Out

Internal

Voltage

Reference

Latch Enable

Ref In

(MSB)

I_Out

Digital

Inputs

through

D12

Decoders

and

Drivers

Switch

Network

I_Out

(LSB)

12 3 4 5 6 7

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