LT1125

更新时间： 2024-11-22 22:55:47

品牌	Logo	应用领域
凌特 - Linear		运算放大器
页数	文件大小	规格书
16页	231K
描述
Dual/Quad Low Noise, High Speed Precision Op Amps

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中文翻译

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LT1125 数据手册

LT1124/LT1125

Dual/Quad Low Noise,

High Speed Precision Op Amps

FEATURES

DESCRIPTIO

The LT^®1124 dual and LT1125 quad are high performance

op amps that offer higher gain, slew rate and bandwidth

than the industry standard OP-27 and competing OP-270/

OP-470 op amps. In addition, the LT1124/LT1125 have

lower I_Band I_OSthan the OP-27; lower V_OSand noise

than the OP-270/OP-470.

■

100% Tested Low Voltage Noise: 2.7nV/√Hz Typ

4.2nV/√Hz Max

■

Slew Rate: 4.5V/µs Typ

■

Gain Bandwidth Product: 12.5MHz Typ

■

Offset Voltage, Prime Grade: 70µV Max

Low Grade: 100µV Max

■

High Voltage Gain: 5 Million Min

In the design, processing and testing of the device, par-

ticular attention has been paid to the optimization of the

entire distribution of several key parameters. Slew rate,

gain bandwidth and 1kHz noise are 100% tested for each

individual amplifier. Consequently, the specifications of

even the lowest cost grades (the LT1124C and the

LT1125C) have been spectacularly improved compared

■

Supply Current Per Amplifier: 2.75mA Max

■

Common Mode Rejection: 112dB Min

■

Power Supply Rejection: 116dB Min

■

Available in 8-Pin SO Package

APPLICATIO S

■

Two and Three Op Amp Instrumentation Amplifiers

Low Noise Signal Processing

Active Filters

Microvolt Accuracy Threshold Detection

Strain Gauge Amplifiers

Direct Coupled Audio Gain Stages

Tape Head Preamplifiers

to equivalent grades of competing amplifiers.

■

Power consumption of the LT1124 is one half of two

OP-27s. Low power and high performance in an 8-pin SO

packagemaketheLT1124afirstchoiceforsurfacemounted

systems and where board space is restricted.

For a decompensated version of these devices, with three

times higher slew rate and bandwidth, please see the

LT1126/LT1127 data sheet.

Infrared Detectors

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

Protected by U.S. patents 4,775,884 and 4,837,496.

TYPICAL APPLICATIO

Instrumentation Amplifier with Shield Driver

Input Offset Voltage Distribution

(All Packages, LT1124 and LT1125)

30k

1/4

LT1125

–

758 DUALS

200 QUADS

= ±15V

= 25°C

15V

3.4k

2316 UNITS

TESTED

GUARD

1/4

LT1125

100Ω

OUTPUT

30k

–

1/4

LT1125

INPUT

100Ω

–15V

–

GUARD

GAIN = 30 (1 + R /R ) ≈ 1000

POWER BW = 170kHz

SMALL-SIGNAL BW = 400kHz

NOISE = 3.8µV/√Hz AT OUTPUT

= 35µV

–

3.4k

–100

–60

–20

100

1/4

LT1125

INPUT OFFSET VOLTAGE (µV)

1124/25 TA02

1124/25 TA01

12 3 4 5 6 7...16

中文翻译

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与LT1125相关器件

型号	品牌	获取价格	描述	数据表
LT1125_15	Linear	获取价格	Dual/Quad Low Noise, High Speed Precision Op Amps
LT1125AC	Linear	获取价格	Dual/Quad Low Noise, High Speed Precision Op Amps
LT1125ACJ14	Linear	获取价格	IC QUAD OP-AMP, 90 uV OFFSET-MAX, 12.5 MHz BAND WIDTH, CDIP14, Operational Amplifier
LT1125ACN	Linear	获取价格	Dual/Quad Low Noise, High Speed Precision Op Amps
LT1125ACN#PBF	Linear	获取价格	LT1125 - Quad Low Noise, High Speed Precision Op Amps; Package: PDIP; Pins: 14; Temperatur
LT1125ACN#TR	Linear	获取价格	IC QUAD OP-AMP, 140 uV OFFSET-MAX, 12.5 MHz BAND WIDTH, PDIP14, 0.300 INCH, PLASTIC, DIP-1
LT1125ACN#TRPBF	Linear	获取价格	IC QUAD OP-AMP, 140 uV OFFSET-MAX, 12.5 MHz BAND WIDTH, PDIP14, 0.300 INCH, LEAD FREE, PLA
LT1125ACN14	Linear	获取价格	IC QUAD OP-AMP, 90 uV OFFSET-MAX, 12.5 MHz BAND WIDTH, PDIP14, Operational Amplifier
LT1125ACN8	Linear	获取价格	IC OP-AMP, 90 uV OFFSET-MAX, 12.5 MHz BAND WIDTH, PDIP14, Operational Amplifier
LT1125AM	Linear	获取价格	Dual/Quad Low Noise, High Speed Precision Op Amps

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