OPA637SM

更新时间： 2024-11-26 04:35:39

品牌	Logo	应用领域
德州仪器 - TI		运算放大器
页数	文件大小	规格书
16页	267K
描述
Precision High-Speed Difet OPERATIONAL AMPLIFIERS

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OPA637SM 数据手册

OPA627

OPA637

OPA627

Precision High-Speed

Difet ^®OPERATIONAL AMPLIFIERS

APPLICATIONS

● PRECISION INSTRUMENTATION

FEATURES

● VERY LOW NOISE: 4.5nV/√Hz at 10kHz

● FAST DATA ACQUISITION

● FAST SETTLING TIME:

OPA627—550ns to 0.01%

OPA637—450ns to 0.01%

● DAC OUTPUT AMPLIFIER

● OPTOELECTRONICS

● LOW V_OS: 100µV max

● SONAR, ULTRASOUND

● LOW DRIFT: 0.8µV/°C max

● LOW I_B: 5pA max

● HIGH-IMPEDANCE SENSOR AMPS

● HIGH-PERFORMANCE AUDIO CIRCUITRY

● OPA627: Unity-Gain Stable

● OPA637: Stable in Gain ≥ 5

● ACTIVE FILTERS

High frequency complementary transistors allow in-

creased circuit bandwidth, attaining dynamic perform-

ance not possible with previous precision FET op

amps. The OPA627 is unity-gain stable. The OPA637

is stable in gains equal to or greater than five.

DESCRIPTION

The OPA627 and OPA637 Difet operational amplifi-

ers provide a new level of performance in a precision

FET op amp. When compared to the popular OPA111

op amp, the OPA627/637 has lower noise, lower offset

voltage, and much higher speed. It is useful in a broad

range of precision and high speed analog circuitry.

Difet fabrication achieves extremely low input bias

currents without compromising input voltage noise

performance. Low input bias current is maintained

over a wide input common-mode voltage range with

unique cascode circuitry.

The OPA627/637 is fabricated on a high-speed, dielec-

trically-isolated complementary NPN/PNP process. It

operates over a wide range of power supply voltage—

±4.5V to ±18V. Laser-trimmed Difet input circuitry

provides high accuracy and low-noise performance

comparable with the best bipolar-input op amps.

The OPA627/637 is available in plastic DIP, SOIC

and metal TO-99 packages. Industrial and military

temperature range models are available.

+V_S

Trim

Output

+In

–In

Difet ^®, Burr-Brown Corp.

–V_S

International Airport Industrial Park

•

Mailing Address: PO Box 11400, Tucson, AZ 85734

FAXLine: (800) 548-6133 (US/Canada Only)

• Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111

Internet: http://www.burr-brown.com/

•

Cable: BBRCORP

•

Telex: 066-6491

•

FAX: (520) 889-1510

•

Immediate Product Info: (800) 548-6132

PDS-998H

Printed in U.S.A. March, 1998

SBOS165

12 3 4 5 6 7...16

中文翻译

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