LMR344F
LMR™ Series, Low Supply Current Output full Swing CMOS Operational Amplifier

LMR344F is input ground sense, output full swing operational amplifiers. This IC have the features of low operating supply voltage, low supply current and low input bias current. It is suitable for sensor amplifier, battery-powered electronic equipment, battery monitoring and audio pre-amps for voice.

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Product Detail

 
Part Number | LMR344F-GE2
Status | Recommended
Package | SOP14
Unit Quantity | 2500
Minimum Package Quantity | 2500
Packing Type | Taping
RoHS | Yes

Specifications:

Grade

Standard

Power supply (Min.) [V] (+5V=5, +/-5V=10)

2.7

Power supply (Max.) [V] (+5V=5, +/-5V=10)

5.5

Channel

4

Circuit Current (Typ.) [mA]

0.428

Input Offset Voltage (Max.) [mV]

4.0

Input Bias Current (Typ.) [nA]

0.001

Slew Rate (Typ.) [V/µS]

1.0

Input Voltage Range [V]

VSS to VDD-1.0

Output Voltage Range [V]

VSS+0.01 to VDD-0.01

Voltage gain (Typ.) [dB]

113.0

Equivalent input noise voltage (Typ.) [nV/√Hz]

40.0

Output current (Typ.) [mA]

113.0

CMRR (Typ.) [dB]

86.0

PSRR (Typ.) [dB]

82.0

GBW (Typ.) [MHz]

2.0

Operating Temperature (Min.) [°C]

-40

Operating Temperature (Max.) [°C]

85

Package Size [mm]

8.7x6.2 (t=1.71)

Features:

・Low Operating Supply Voltage
・Input Ground Sense, Output Full Swing
・High Large Signal Voltage Gain
・Low Input Bias Current
・Low Supply Current
・Low Input Offset Voltage

Design Resources

 

Technical Articles

Schematic Design & Verification

  • Low-Side Current Sensing Circuit Design
  • Op-Amp / Comparator Tutorial
  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
  • Thermal Resistance

Tools

Models

  • LMR344F SPICE Model

2D/3D/CAD

  • SOP14 Footprint / Symbol

Packaging & Quality

Package Information

  • Package Information
  • Anti-Whisker formation

Manufacturing Data

  • Factory Information

Environmental Data

  • UL94 Flame Classifications of Mold Compound
  • Compliance with the ELV directive
  • REACH SVHC Non-use Declaration
  • RoHS Comission Delegated Directive

Export Information

  • The Export Control Order
  • Export Administration Regulations(EAR)