Datasheet > OPA2631U/2K5

OPA2631U/2K5

更新时间： 2024-11-03 23:24:23

品牌	Logo	应用领域
其他 - ETC		运算放大器光电二极管
页数	文件大小	规格书
18页	269K
描述
Voltage-Feedback Operational Amplifier

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OPA2631U/2K5 数据手册

OPA2631

www.ti.com

Dual, Low-Power, Single-Supply

OPERATIONAL AMPLIFIER

DESCRIPTION

FEATURES

The OPA2631 is a dual, low-power, voltage-feedback

amplifier designed to operate on a single +3V or +5V

supply. Operation on ±5V or +10V supplies is also

supported. The input range extends below ground and

to within 1V of the positive supply. Using comple-

mentary common-emitter outputs provides an output

swing to within 30mV of ground and 130mV of the

positive supply. The high output drive current and low

differential gain and phase errors also make it ideal for

single-supply consumer video products.

● HIGH BANDWIDTH: 75MHz (G = +2)

● LOW SUPPLY CURRENT: 6mA/chan

● +3V TO +10V SUPPLY OPERATION

● INPUT RANGE INCLUDES GROUND

● 4.8V OUTPUT SWING ON +5V SUPPLY

● HIGH SLEW RATE: 100V/µs

● LOW INPUT VOLTAGE NOISE: 6nV/√Hz

Low-distortion operation is ensured by the high gain

bandwidth product (68MHz) and slew rate (100V/µs),

making the OPA2631 an ideal input buffer stage to 3V

and 5V CMOS converters. Unlike other low-power,

single-supply amplifiers, distortion performance im-

proves as the signal swing is decreased. A low

6nV/√Hz input voltage noise supports wide dynamic-

range operation.

APPLICATIONS

● DIFFERENTIAL RECEIVERS/DRIVERS

● ACTIVE FILTERS

● MATCHED I AND Q CHANNEL AMPLIFIERS

● CCD IMAGING CHANNELS

● LOW POWER ULTRASOUND

● PORTABLE CONSUMER ELECTRONICS

The OPA2631 is available in an industry standard

SO-8 package. Where a single-channel, single-supply

operational amplifier is required, consider the OPA631

and OPA632. Where higher full-power bandwidth and

lower distortion are required, consider the OPA2634.

SPICE model available at www.ti.com

+3V

2.26kΩ

+3V

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