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LF6197 160 ns Monolithic Sample-and-Hold Amplifier

September 1992

LF6197 160 ns Monolithic Sample-and-Hold Amplifier

General Description

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

that uses a proprietary 鈥樷€榗urrent-multiplexed sample-and-

hold鈥欌€?technique to offer extremely high speed while main-

taining 12 bits or higher accuracy The device is built using

National鈥檚 advanced junction-isolated VIP

TM

(Vertically Inte-

grated PNP) and BI-FET

TM

process technologies

The LF6197 acquires a 10V step input to within

g

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

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

Features

Y

Y

Y

Y

Y

Operates with supply voltages from

g

5V to

g

18V

CMOS TTL and ECL compatible logic input

Adjustable inverting or non-inverting gain

Internal hold capacitor

High power-supply rejection in both sample and hold

modes

Key Specifications

Y

Y

Y

Y

Y

Y

Y

Acquisition time (10V step to 0 01%)

160 ns

Hold mode settling time (10V step to 0 01%)

50 ns

Droop rate

0 6

mV ms

Hold step

10 mV

Aperture jitter

8 ps

rms

Feedthrough attenuation at DC

83 dB

Small signal bandwidth

25 MHz

Applications

Y

Y

Y

Y

BI-FET

TM

and VIP

TM

are trademarks of National Semiconductor Corporation

High-speed data acquisition systems

Automatic test equipment

High-speed instrumentation

Replaces expensive hybrid sample-and-hold amplifiers

Block Diagram

Connection Diagram

TL H 11381 鈥?2

Top View

Ordering Information

Industrial

(0 C

k

T

A

k

a

70 C)

LF6197CCJ

Package

J14A

Ceramic DIP

TL H 11381 鈥?1

C

1995 National Semiconductor Corporation

TL H 11381

RRD-B30M115 Printed in U S A

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LF6197相關(guān)型號(hào)PDF文件下載

• 型號(hào)
  版本
  描述
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• LF6197
  英文版
  160 ns Monolithic Sample-and-Hold Amplifier
  NSC
  LF6197
• LF6197
  英文版
  160 ns Monolithic Sample-and-Hold Amplifier
  NSC [Natio...
  LF6197
• LF6197CCJ
  英文版
  160 ns Monolithic Sample-and-Hold Amplifier
  NSC
  LF6197CCJ
• LF6197CCJ
  英文版
  160 ns Monolithic Sample-and-Hold Amplifier
  NSC [Natio...
  LF6197CCJ

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