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AD644LH中文資料亞德諾數(shù)據(jù)手冊PDF規(guī)格書

AD644LH
廠商型號

AD644LH

功能描述

Dual High Speed, Implanted BiFET Op Amp

文件大小

236.44 Kbytes

頁面數(shù)量

6

生產(chǎn)廠商 Analog Devices
企業(yè)簡稱

AD亞德諾

中文名稱

亞德諾半導體技術有限公司官網(wǎng)

原廠標識
數(shù)據(jù)手冊

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更新時間

2024-12-25 10:56:00

AD644LH規(guī)格書詳情

PRODUCT DESCRIPTION

The AD644 is a pair of matched high speed monolithic FET input operational amplifiers fabricated with the most advanced bipolar, JFET and laser-trimming technologies. The AD644 offers matched bias currents that are significantly lower than currently available monolithic dual BiFET operational amplifiers: 35 pA max, matched to 25 pA for the AD644K and L, 75 pA max matched to 35 pA for the AD644J and S. In addition, the offset voltage is laser trimmed to less than 0.5 mV, and matched to 0.25 mV for the AD644L, 1.0 mV and matched to 0.5 mV for the AD644K, utilizing Analog Devices’ laser-wafer trimming (LWT) process.

The tight matching and temperature tracking between the operational amplifiers is achieved by ion-implanted JFETs and laser-wafer trimming. Ion-implantation permits the fabrication of precision, matched JFETs on a monolithic bipolar chip. This process optimizes the ability to produce matched amplifiers which have lower initial bias currents than other popular BiFET op amps. Laser-wafer trimming each amplifier’s input offset voltage assures tight initial match and superior IC processing guarantees offset voltage tracking over the temperature range.

The AD644 is recommended for applications in which both excellent ac and dc performance is required. The matched amplifiers provide a low cost solution to true wideband instrumentation amplifiers, low dc drift active filters and output amplifiers for four quadrant multiplying D/A converters such as the AD7541, 12-bit CMOS DAC.

FEATURES

Matched Offset Voltage

Matched Offset Voltage Over Temperature

Matched Bias Currents

Crosstalk –124 dB at 1 kHz

Low Bias Current: 35 pA max Warmed Up

Low Offset Voltage: 500 mV max

Low Input Voltage Noise: 2 mV p-p

High Slew Rate: 13 V/ms

Low Quiescent Current: 4.5 mA max

Fast Settling to 60.01: 3 ms

Low Total Harmonic Distortion: 0.0015 at 1 kHz

Standard Dual Amplifier Pinout

Available in Hermetic Metal Can Package

and Chip Form

MIL-STD-883B Processing Available

Single Version Available: AD544

產(chǎn)品屬性

  • 型號:

    AD644LH

  • 制造商:

    AD

  • 制造商全稱:

    Analog Devices

  • 功能描述:

    Dual High Speed, Implanted BiFET Op Amp

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