LT1028C

更新时间： 2024-11-13 22:34:07

品牌	Logo	应用领域
凌特 - Linear		运算放大器
页数	文件大小	规格书
20页	439K
描述
Ultra Low Noise Precision High Speed Op Amps

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中文翻译

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数据手册

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LT1028C 数据手册

LT1028/LT1128

Ultra Low Noise Precision

High Speed Op Amps

DESCRIPTIO

EATURE

Voltage Noise

■

The LT1028(gain of –1 stable)/LT1128(gain of +1 stable)

achieveanewstandardofexcellenceinnoiseperformance

with 0.85nV/√Hz 1kHz noise, 1.0nV/√Hz 10Hz noise. This

ultra low noise is combined with excellent high speed

specifications (gain-bandwidth product is 75MHz for

LT1028, 20MHz for LT1128), distortion-free output, and

true precision parameters (0.1µV/°C drift, 10µV offset

voltage, 30 million voltage gain). Although the LT1028/

LT1128 input stage operates at nearly 1mA of collector

current to achieve low voltage noise, input bias current is

only 25nA.

1.1nV/√Hz Max. at 1kHz

0.85nV/√Hz Typ. at 1kHz

1.0nV/√Hz Typ. at 10Hz

35nV_P-PTyp., 0.1Hz to 10Hz

Voltage and Current Noise 100% Tested

Gain-Bandwidth Product

LT1028: 50MHz Min.

■

LT1128: 13MHz Min.

■

Slew Rate

LT1028: 11V/µs Min.

LT1128: 5V/µs Min.

The LT1028/LT1128’s voltage noise is less than the noise

of a 50Ω resistor. Therefore, even in very low source

impedance transducer or audio amplifier applications, the

LT1028/LT1128’s contribution to total system noise will

be negligible.

■

Offset Voltage: 40µV Max.

Drift with Temperature: 0.8µV/°C Max.

Voltage Gain: 7 Million Min.

Available in 8-Pin SO Package

O U

PPLICATI

■

Low Noise Frequency Synthesizers

High Quality Audio

Infrared Detectors

Accelerometer and Gyro Amplifiers

350Ω Bridge Signal Conditioning

Magnetic Search Coil Amplifiers

Hydrophone Amplfiers

Flux Gate Amplifier

Voltage Noise vs Frequency

= ±15V

= 25°C

DEMODULATOR

SYNC

MAXIMUM

1/f CORNER = 14Hz

OUTPUT TO

DEMODULATOR

LT1028

TYPICAL

–

SQUARE

WAVE

DRIVE

1kHz

FLUX GATE

TYPICAL

SCHONSTEDT

#203132

1/f CORNER = 3.5Hz

50Ω

0.1

100

1028/1128 TA01

FREQUENCY (Hz)

1028/1128 TA02

12 3 4 5 6 7...20

中文翻译

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