SPT7710AIG

更新时间： 2024-09-23 22:21:27

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		转换器
页数	文件大小	规格书
12页	136K
描述
8-BIT, 150 MSPS, FLASH A/D CONVERTER

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数据手册

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SPT7710AIG 数据手册

SPT7710

8-BIT, 150 MSPS, FLASH A/D CONVERTER

TECHNICAL DATA

AUGUST 17, 2001

FEATURES

APPLICATIONS

• Metastable errors reduced to 1 LSB

• Low input capacitance: 10 pF

• Wide input bandwidth: 210 MHz

• 150 MSPS conversion rate

• Digital oscilloscopes

• Transient capture

• Radar, EW, ECM

• Direct RF down-conversion

• Medical electronics: ultrasound, CAT instrumentation

• Typical power dissipation: 2.2 watts

GENERAL DESCRIPTION

The SPT7710 is a monolithic flash A/D converter capable of 2.2 W. A proprietary decoding scheme reduces meta-

of digitizing a two volt analog input signal into 8-bit digital stable errors to the 1 LSB level.

words at a 150 MSPS (typ) update rate.

The SPT7710 is available in 42-lead ceramic sidebrazed

For most applications, no external sample-and-hold is re- DIP, surface-mount 44-lead cerquad and 46-lead PGA

quired for accurate conversion due to the device’s narrow packages; the cerquad and PGA packages allow access

aperture time, wide bandwidth, and low input capacitance. to additional reference ladder taps, an overrange bit, and a

A single standard –5.2 volt power supply is required for data ready output. The SPT7710 is available in the indus-

operation of the SPT7710, with nominal power dissipation trial temperature range.

BLOCK DIAGRAM

Analog Input

(Force or Sense)

AGND DGND V_EE

LINV MINV

V_RTS

V_RTF

Preamp

Comparator

256

255

DRINV

DREAD

Overrange

D7 MSB

Clock

Buffer

MSB D7

V_R3

V_R2

V_R1

152

151

128

127

ECL

Latches

and

256 to

8-Bit

Encoder

Buffers

These functions are

available in the PGA and

cerquad packages only.

D0 LSB

V_RBF

V_RBS

CLK

LSB D0

Convert

Analog Input

(Sense or Force)

AGND

12 3 4 5 6 7...12

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