AD781AN

更新时间： 2024-11-01 22:53:31

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
8页	156K
描述
Complete 700 ns Sample-and-Hold Amplifier

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AD781AN 数据手册

Complete 700 ns

Sample-and-Hold Amplifier

AD781*

FUNCTIO NAL BLO CK D IAGRAM

FEATURES

Acquisition Tim e to 0.01%: 700 ns Maxim um

Low Pow er Dissipation: 95 m W

Low Droop Rate: 0.01 ␮V/ ␮s

Fully Specified and Tested Hold Mode Distortion

Total Harm onic Distortion: –80 dB Maxim um

Aperture J itter: 75 ps Maxim um

Internal Hold Capacitor

OUT

COMMON

S/H

Self-Correcting Architecture

AD781

8-Pin Mini Cerdip and Plastic Package

MIL-STD-883 Com pliant Versions Available

P RO D UCT D ESCRIP TIO N

P RO D UCT H IGH LIGH TS

T he AD781 is a high speed monolithic sample-and-hold

amplifier (SHA). T he AD781 guarantees a maximum

acquisition time of 700 ns to 0.01% over temperature. T he

AD781 is specified and tested for hold mode total harmonic

distortion and hold mode signal-to-noise and distortion. T he

AD781 is configured as a unity gain amplifier and uses a

self-correcting architecture that minimizes hold mode errors and

insures accuracy over temperature. T he AD781 is self-contained

and requires no external components or adjustments.

1. Fast acquisition time (700 ns), low aperture jitter (75 ps) and

fully specified hold mode distortion make the AD781 an

ideal SHA for sampling systems.

2. Low droop (0.01 µV/µs) and internally compensated hold

mode error results in superior system accuracy.

3. Low power (95 mW typical), complete functionality and

small size make the AD781 an ideal choice for a variety of

high performance, low power applications.

4. T he AD781 requires no external components or adjustments.

T he low power dissipation, 8-pin mini-DIP package and

completeness make the AD781 ideal for highly compact board

layouts. T he AD781 will acquire a full-scale input in less than

700 ns and retain the held value with a droop rate of 0.01 µV/µs.

Excellent linearity and hold mode dc and dynamic performance

make the AD781 ideal for 12- and 14-bit high speed analog-

to-digital converters.

5. Excellent choice as a front-end SHA for high speed analog-

to-digital converters such as the AD671, AD7586, AD674B,

AD774B, AD7572 and AD7672.

6. Fully specified and tested hold mode distortion guarantees

the performance of the SHA in sampled data systems.

7. T he AD781 is available in versions compliant with MIL-

ST D-883. Refer to the Analog Devices Military Products

Databook or current AD781/883B data sheet for detailed

specifications.

T he AD781 is manufactured on Analog Devices’ BiMOS

process which merges high performance, low noise bipolar

circuitry with low power CMOS to provide an accurate, high

speed, low power SHA.

T he AD781 is specified for three temperature ranges. T he J

grade device is specified for operation from 0°C to +70°C, the A

grade from –40°C to +85°C and the S grade from –55°C to

+125°C. T he J and A grades are available in 8-pin plastic DIP

packages. T he S grade is available in an 8-pin cerdip package.

*P r otected by U.S. P atent No. 4,962,325.

REV. A

Inform ation furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assum ed by Analog Devices for its

use, nor for any infringem ents of patents or other rights of third parties

which m ay result from its use. No license is granted by im plication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.

Tel: 617/ 329-4700

Fax: 617/ 326-8703

12 3 4 5 6 7 8

中文翻译

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AD781AN 替代型号

型号	品牌	替代类型	描述	数据表
AD781ANZ	ADI	完全替代	High Speed, Monolithic SHA with a Max Acquisition Time for 700 ns to 0.01% Over Temperatur
LF398N	NXP	类似代替	Sample-and-hold amplifiers

与AD781AN相关器件

型号	品牌	获取价格	描述	数据表
AD781ANZ	ADI	获取价格	High Speed, Monolithic SHA with a Max Acquisition Time for 700 ns to 0.01% Over Temperatur
AD781JN	ADI	获取价格	Complete 700 ns Sample-and-Hold Amplifier
AD781JNZ	ADI	获取价格	Complete 700 ns Sample-and-hold amplifier
AD781SQ	ADI	获取价格	Complete 700 ns Sample-and-Hold Amplifier
AD7820	ADI	获取价格	LC2MOS HIGH-SPEED uP-COMPATIBLE 8-BIT ADC WITH TRACK/HOLD FUNCTION
AD7820BCHIPS	ETC	获取价格	Analog-to-Digital Converter， 8-Bit
AD7820BQ	ADI	获取价格	LC2MOS HIGH-SPEED uP-COMPATIBLE 8-BIT ADC WITH TRACK/HOLD FUNCTION
AD7820CQ	ADI	获取价格	LC2MOS HIGH-SPEED uP-COMPATIBLE 8-BIT ADC WITH TRACK/HOLD FUNCTION
AD7820KCWP	MAXIM	获取价格	A/D Converter, 8-Bit, 1 Func, CMOS, PDSO20,
AD7820KN	ADI	获取价格	LC2MOS HIGH-SPEED uP-COMPATIBLE 8-BIT ADC WITH TRACK/HOLD FUNCTION

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