型号OPA2832
品牌
分类高速运算放大器 (GBW ≥ 50MHz)
描述双通道低功耗高速固定增益运算放大器
相关操作
产品概述

参数

Architecture Fixed Gain/Buffer
Number of channels 2
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.8
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 11
GBW (typ) (MHz) 250
BW at Acl (MHz) 250
Acl, min spec gain (V/V) 1
Slew rate (typ) (V/µs) 300
Vn at flatband (typ) (nV√Hz) 9.3
Vn at 1 kHz (typ) (nV√Hz) 9.2
Iq per channel (typ) (mA) 4.25
Vos (offset voltage at 25°C) (max) (mV) 7.5
Rail-to-rail In to V-, Out
Rating Catalog
Operating temperature range (°C) -40 to 85
CMRR (typ) (dB) 72
Input bias current (max) (pA) 10000000
Offset drift (typ) (µV/°C) 27
Iout (typ) (mA) 75
2nd harmonic (dBc) 64
3rd harmonic (dBc) 57
Frequency of harmonic distortion measurement (MHz) 5

封装 | 引脚 | 尺寸

SOIC (D) 8 29.4 mm² 4.9 x 6
VSSOP (DGK) 8 14.7 mm² 3 x 4.9

特性

  • HIGH BANDWIDTH: 75MHz (G = +2)
  • LOW SUPPLY CURRENT: 7.8mA (VS = +5V)
  • FLEXIBLE SUPPLY RANGE:
    ±1.5V to ±5.5V Dual Supply
    +3V to +11V Single Supply
  • INPUT RANGE INCLUDES GROUND ON SINGLE SUPPLY
  • 4.9VPP OUTPUT SWING ON +5V SUPPLY
  • HIGH SLEW RATE: 350V/µs
  • LOW INPUT VOLTAGE NOISE: 9.3nV/Hz
  • APPLICATIONS
    • SINGLE-SUPPLY VIDEO LINE DRIVERS
    • CCD IMAGING CHANNELS
    • LOW-POWER ULTRASOUND
    • PORTABLE CONSUMER ELECTRONICS

All other trademarks are the property of their respective owners.

说明

The OPA2832 is a dual, low-power, high-speed, fixed-gain amplifier designed to operate on a single +3V to +11V supply. Operation on ±1.5V to ±5.5V supplies is also supported. The input range extends below ground and to within 1.7V of the positive supply.

Using complementary common-emitter outputs provides an output swing to within 30mV of ground and 60mV 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.

Low distortion operation is ensured by high bandwidth product (75MHz) and slew rate (350V/µs), making the OPA2832 an ideal input buffer stage to 3V and 5V CMOS converters. Unlike earlier low-power, single-supply amplifiers, distortion performance improves as the signal swing is decreased. A low 9.3nV/Hz input voltage noise supports wide dynamic range operation.

The OPA2832 is available in an industry-standard SO-8 package or a small MSOP-8 package. For gains other than +1, –1, or +2, consider the OPA2830.