LT1057SW datasheet(1/16 Pages) LINER

No. de pieza	LT1057SW

Descripción Electrónicos	Dual and Quad, JFET Input Precision High Speed Op Amps

PDF	16 Pages

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Fabricante Electrónico	LINER [Linear Technology]

Página de inicio	http://www.linear.com

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1 / 16 page

LT1057/LT1058

1

10578fc

TYPICAL APPLICATION

FEATURES

APPLICATIONS

DESCRIPTION

Dual and Quad, JFET Input

Precision High Speed Op Amps

The LT®1057 is a matched JFET input dual op amp in

the industry standard 8-pin conﬁguration, featuring a

combination of outstanding high speed and precision

speciﬁcations. It replaces all the popular bipolar and JFET

input dual op amps. In particular, the LT1057 upgrades the

performance of systems using the LF412A and OP-215

JFET input duals.

The LT1058 is the lowest offset quad JFET input operational

ampliﬁer in the standard 14-pin conﬁguration. It offers

signiﬁcant accuracy improvement over presently available

JFET input quad operational ampliﬁers. The LT1058 can

replace four single precision JFET input op amps, while

saving board space, power dissipation and cost.

Both the LT1057 and LT1058 are available in the plastic

PDIP package and the surface mount SO package.

Current Output, High Speed, High Input Impedance

Instrumentation Ampliﬁer

n 14V/μs Slew Rate: 10V/μs Min

n 5MHz Gain-Bandwidth Product

n Fast Settling Time: 1.3μs to 0.02%

n 150μV Offset Voltage (LT1057): 450μV Max

n 180μV Offset Voltage (LT1058): 600μV Max

n 2μV/°C VOS Drift: 7μV/°C Max

n 50pA Bias Current at 70°C

n Low Voltage Noise:

13nV/√Hz at 1kHz

26nV/√Hz at 10Hz

n Precision, High Speed Instrumentation

n Fast, Precision Sample-and-Hold

n Logarithmic Ampliﬁers

n D/A Output Ampliﬁers

n Photodiode Ampliﬁers

n Voltage-to-Frequency Converters

n Frequency-to-Voltage Converters

, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

Distribution of Offset Voltage

(All Packages, LT1057 and LT1058)

–

+

–

+

–

+

–

+

6.8k

7.5k

RX

7.5k

1/4

LT1058

1/4

LT1058

1/4

LT1058

1/4

LT1058

1

3

2

V2

IOUT

IOUT =

2(V1 – V2)

RX

V1

*GAIN ADJUST

**COMMON MODE REJECTION ADJUST

BANDWIDTH

2MHz

6

5

7

10

14

13

12

9

8

4.7k

500Ω*

1k**

4.7k

7.5k

9.1k

10578 TA01

INPUT OFFSET VOLTAGE (mV)

–1.0

15

20

25

0.6

10578 TA01b

10

5

0

–0.6

–0.2 0

0.2

1.0

VS = 15V

TA = 25 C

LT1057: 610 OP AMPS

LT1058: 520 OP AMPS

1130 OP AMPS

TESTED

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LT1057SW Datasheet(PDF) 1 Page - Linear Technology

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