型号LMV772
品牌
分类精密运算放大器 (Vos<1mV)
描述双通道、低失调电压、低噪声、RRO 运算放大器
相关操作
产品概述

参数

Number of channels 2
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7
Vos (offset voltage at 25°C) (max) (mV) 1
GBW (typ) (MHz) 3.5
Slew rate (typ) (V/µs) 1.4
Rail-to-rail In to V-, Out
Offset drift (typ) (µV/°C) 0.35
Iq per channel (typ) (mA) 0.6
Vn at 1 kHz (typ) (nV√Hz) 7.5
CMRR (typ) (dB) 90
Rating Catalog
Operating temperature range (°C) -40 to 125
Input bias current (max) (pA) 100
Iout (typ) (A) 0.066
Architecture CMOS
Input common mode headroom (to negative supply) (typ) (V) 0
Input common mode headroom (to positive supply) (typ) (V) -0.9
Output swing headroom (to negative supply) (typ) (V) 0.035
Output swing headroom (to positive supply) (typ) (V) -0.03
THD + N at 1 kHz (typ) (%) 0.007

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

(Unless otherwise noted, typical values at VS = 2.7V)

Guaranteed 2.7V and 5V specifications

Maximum VOS (LMV771)

850μV (limit)

  • Voltage noise

    • f = 100 Hz

    12.5nV/ √ Hz

    f = 10 kHz

    7.5nV/ √ Hz

  • Rail-to-Rail output swing

    • RL = 600Ω

    100mV from rail

    RL = 2kΩ

    50mV from rail

    Open loop gain with RL = 2kΩ

    100dB

    VCM

    0 to V + −0.9V

    Supply current (per amplifier)

    550µA

    Gain bandwidth product

    3.5MHz

    Temperature range

    −40°C to 125°C

    LMV772Q is AEC-Q100 Grade 1 qualified and is manufactured on Automotive grade flow

    说明

    The LMV771/LMV772/LMV772Q/LMV774 are Single, Dual, and Quad low noise precision operational amplifiers intended for use in a wide range of applications. Other important characteristics of the family include: an extended operating temperature range of −40°C to 125°C, the tiny SC70-5 package for the LMV771, and low input bias current.

    The extended temperature range of −40°C to 125°C allows the LMV771/LMV772/LMV772Q/LMV774 to accommodate a broad range of applications. The LMV771 expands National Semiconductor’s Silicon Dust amplifier portfolio offering enhancements in size, speed, and power savings. The LMV771/LMV772/LMV772Q/LMV774 are guaranteed to operate over the voltage range of 2.7V to 5.0V and all have rail-to-rail output.

    The LMV771/LMV772/LMV772Q/LMV774 family is designed for precision, low noise, low voltage, and miniature systems. These amplifiers provide rail-to-rail output swing into heavy loads. The maximum input offset voltage for the LMV771 is 850 μV at room temperature and the input common mode voltage range includes ground.

    The LMV771 is offered in the tiny SC70-5 package, LMV772/LMV772Q in the space saving MSOP-8 and SOIC-8, and the LMV774 in TSSOP-14.