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OPA365-EP
  • OPA365-EP

OPA365-EP

ACTIVE

Enhanced Product 5V, 50MHz, Precision, High-CMRR, Rail-to-Rail Operational Amplifier

Texas Instruments OPA365-EP Product Info

1 April 2026 0

Parameters

Architecture

FET / CMOS Input, Voltage FB

Number of channels

1

Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)

2.2

Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)

5.5

GBW (typ) (MHz)

50

BW at Acl (MHz)

50

Acl, min spec gain (V/V)

1

Slew rate (typ) (V/µs)

25

Vn at flatband (typ) (nV√Hz)

4.5

Vn at 1 kHz (typ) (nV√Hz)

4.5

Iq per channel (typ) (mA)

4.6

Vos (offset voltage at 25°C) (max) (mV)

0.2

Rail-to-rail

In, Out

Features

Zero Crossover

Rating

HiRel Enhanced Product

Operating temperature range (°C)

-55 to 125

CMRR (typ) (dB)

120

Input bias current (max) (pA)

10

Offset drift (typ) (µV/°C)

1

Iout (typ) (mA)

65

2nd harmonic (dBc)

81

3rd harmonic (dBc)

93

Frequency of harmonic distortion measurement (MHz)

1

Package

SOT-23 (DBV)-5-8.12 mm² 2.9 x 2.8

Features

  • Gain Bandwidth: 50 MHz
  • Zero-Crossover Distortion Topology
    • Excellent THD+N: 0.0004%
    • CMRR: 96.5 dB (Min)
    • Rail-to-Rail Input and Output
    • Input 100 mV Beyond Supply Rail
  • Low Noise: 4.5 nV/√Hz at 100 kHz
  • Slew Rate: 25 V/µs
  • Fast Settling: 0.3 µs to 0.01%
  • Precision
    • Low Offset: 100 µV
      (Typical at 25°C)
    • Low Input Bias Current: 0.2 pA
      (Typical at 25°C)
  • 2.2-V to 5.5-V Operation
  • Gain Bandwidth: 50 MHz
  • Zero-Crossover Distortion Topology
    • Excellent THD+N: 0.0004%
    • CMRR: 96.5 dB (Min)
    • Rail-to-Rail Input and Output
    • Input 100 mV Beyond Supply Rail
  • Low Noise: 4.5 nV/√Hz at 100 kHz
  • Slew Rate: 25 V/µs
  • Fast Settling: 0.3 µs to 0.01%
  • Precision
    • Low Offset: 100 µV
      (Typical at 25°C)
    • Low Input Bias Current: 0.2 pA
      (Typical at 25°C)
  • 2.2-V to 5.5-V Operation

Description

The OPA365 zero-crossover series, rail-to-rail, high-performance, CMOS operational amplifier is optimized for very low voltage, single-supply applications. Rail-to-rail input/output, low-noise (4.5 nV/√Hz) and high-speed operation (50-MHz gain bandwidth) make this device ideal for driving sampling analog-to-digital converters (ADCs). The OPA365 supports audio, signal conditioning, sensor amplification, defense, aerospace and medical applications. The OPA365 is also well-suited for cell phone power amplifier control loops.

Special features include an excellent common-mode rejection ratio (CMRR), no input stage crossover distortion, high input impedance, and rail-to-rail input and output swing. The input common-mode range includes both the negative and positive supplies. The output voltage swing is within 10mV of the rails.

The OPA365 is available in the SOT23-5 package and is specified for operation from −55°C to 125°C.

The OPA365 zero-crossover series, rail-to-rail, high-performance, CMOS operational amplifier is optimized for very low voltage, single-supply applications. Rail-to-rail input/output, low-noise (4.5 nV/√Hz) and high-speed operation (50-MHz gain bandwidth) make this device ideal for driving sampling analog-to-digital converters (ADCs). The OPA365 supports audio, signal conditioning, sensor amplification, defense, aerospace and medical applications. The OPA365 is also well-suited for cell phone power amplifier control loops.

Special features include an excellent common-mode rejection ratio (CMRR), no input stage crossover distortion, high input impedance, and rail-to-rail input and output swing. The input common-mode range includes both the negative and positive supplies. The output voltage swing is within 10mV of the rails.

The OPA365 is available in the SOT23-5 package and is specified for operation from −55°C to 125°C.

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