Datasheet > LF6197CCJ

LF6197CCJ

更新时间： 2024-11-21 21:57:55

品牌	Logo	应用领域
美国国家半导体 - NSC		放大器
页数	文件大小	规格书
12页	208K
描述
160 ns Monolithic Sample-and-Hold Amplifier

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LF6197CCJ 数据手册

September 1992

LF6197 160 ns Monolithic Sample-and-Hold Amplifier

General Description

Features

Operates with supply voltages from 5V to 18V

CMOS, TTL and ECL compatible logic input

Adjustable inverting or non-inverting gain

Internal hold capacitor

The LF6197 is a monolithic sample-and-hold (S/H) amplifier

that uses a proprietary ‘‘current-multiplexed sample-and-

hold’’ technique to offer extremely high speed while main-

taining 12 bits or higher accuracy. The device is built using

National’s advanced junction-isolated VIP^TM(Vertically Inte-

grated PNP) and BI-FET^TMprocess technologies.

High power-supply rejection in both sample and hold

modes

The LF6197 acquires a 10V step input to within 0.01% in

160 ns and has 10 mV hold step error when going from

sample to hold mode. The input offset voltage in the sample

mode is typically 3 mV. Even at extremely fast acquisition

speeds, no compromises are made in the droop rate, which

is 0.6 mV/ms. When configured for unity gain, the DC gain

error is 0.03%. The feedthrough attenuation in the hold

mode is 83 dB at DC and 77 dB at 100 kHz.

Key Specifications

Acquisition time (10V step to 0.01%)

160 ns

50 ns

Hold mode settling time (10V step to 0.01%)

Droop rate

0.6 mV/ms

10 mV

Hold step

Aperture jitter

8 ps

rms

Feedthrough attenuation at DC

83 dB

The LF6197 can be externally configured for either inverting

or non-inverting gains, thus offering additional flexibility to

the user. The device includes an internal 10 pF hold capaci-

tor.

Small signal bandwidth

25 MHz

Applications

High-speed data acquisition systems

Automatic test equipment

BI-FET^TMand VIP^TMare trademarks of National Semiconductor Corporation.

High-speed instrumentation

Replaces expensive hybrid sample-and-hold amplifiers

Block Diagram

Connection Diagram

TL/H/11381–2

Top View

Ordering Information

Industrial

Package

(0 C

70 C)

LF6197CCJ

J14A

Ceramic DIP

TL/H/11381–1

1995 National Semiconductor Corporation

TL/H/11381

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6 7...12

中文翻译

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