LMV791 Single 17 MHz, low noise, CMOS input, 1.8V operational amplifier with shutdown | TI.com

LMV791
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Single 17 MHz, low noise, CMOS input, 1.8V operational amplifier with shutdown

 

Description

The LMV791 (single) and the LMV792 (dual) low-noise, CMOS input operational amplifiers offer a low input voltage noise density of 5.8 nV/&radicHz while consuming only 1.15 mA (LMV791) of quiescent current. The LMV791 and LMV792 are unity gain stable operational amplifiers and have gain bandwidth of 17 MHz. The LMV79x have a supply voltage range of 1.8 V to 5.5 V and can operate from a single supply. The LMV79x each feature a rail-to-rail output stage capable of driving a 600-Ω load and sourcing as much as 60 mA of current.

The LMV79x family provides optimal performance in low-voltage and low-noise systems. A CMOS input stage, with typical input bias currents in the range of a few femtoamperes, and an input common-mode voltage range which includes ground, make the LMV791 and the LMV792 ideal for low-power sensor applications. The LMV79x family has a built-in enable feature which can be used to optimize power dissipation in low power applications.

The LMV791x are manufactured using TI’s advanced VIP50 process and are offered in a 6-pin SOT and a 10-pin VSSOP package respectively.

Features

    Typical 5-V Supply, Unless Otherwise Noted

  • Input Referred Voltage Noise 5.8 nV/√Hz
  • Input Bias Current 100 fA
  • Unity Gain Bandwidth 17 MHz
  • Supply Current per Channel Enable Mode
    • LMV791 1.15 mA
    • LMV792 1.30 mA
  • Supply Current per Channel in Shutdown Mode
    0.02 µA
  • Rail-to-Rail Output Swing
    • At 10-kΩ Load, 25 mV from Rail
    • At 2-kΩ Load, 45 mV from Rail
  • Ensured 2.5-V and 5-V Performance
  • Total Harmonic Distortion 0.01% at1 kHz, 600 Ω
  • Temperature Range –40°C to 125°C

Parametrics

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Part number Order Number of channels (#) Total supply voltage (Min) (+5V=5, +/-5V=10) Total supply voltage (Max) (+5V=5, +/-5V=10) GBW (Typ) (MHz) Slew rate (Typ) (V/us) Rail-to-rail Vos (offset voltage @ 25 C) (Max) (mV) Iq per channel (Typ) (mA) Vn at 1 kHz (Typ) (nV/rtHz) Rating Operating temperature range (C) Package Group Package size: mm2:W x L (PKG) Offset drift (Typ) (uV/C) Features Input bias current (Max) (pA) CMRR (Typ) (dB) Output current (Typ) (mA) Architecture
LMV791 Order now 1     1.8     5     17     9.5     In to V-
Out    
1.35     1.15     5.8     Catalog     -40 to 125     SOT-23-THIN | 6     6SOT-23-THIN: 5 mm2: 1.6 x 2.9 (SOT-23-THIN | 6)     1     Shutdown     1     100     21     CMOS