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OPA365AIDBVR

50MHz zero-crossover RRO op amp, 100dB CMRR, 100uV Vos, SOT-23-5

7200

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Manufacturer Part：

OPA365AIDBVR

Package：

SOT-23-5 / DBV-5 (2.9 x 1.6 x 1.45 mm)

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Description

Product Overview

The OPA365AIDBVR from Texas Instruments is a 50MHz, zero-crossover, rail-to-rail input/output CMOS operational amplifier with 100dB CMRR and 100uV offset. Optimized for precision low-voltage single-supply applications from 2.2V to 5.5V in a SOT-23-5 package.

Key Specifications

Gain Bandwidth Product 50 MHz
Slew Rate 25 V/us
Input Offset Voltage 100uV typical
CMRR 100 dB minimum
Input Bias Current 0.2 pA typical
Voltage Noise 4.5 nV/sqrtHz @ 100kHz
THD+N 0.0004%
Supply Voltage 2.2V to 5.5V
Supply Current 4.6mA typical
Output Swing Within 10mV of rails
Operating Temperature -40 to 125 C
Package SOT-23-5 (DBV)

Features

  • Zero-crossover distortion topology
  • 100dB minimum CMRR
  • 0.0004% THD+N
  • Rail-to-rail input and output
  • Input extends 100mV beyond supply rails
  • 4.5 nV/sqrtHz low noise
  • 100uV low offset voltage
  • 0.2 pA input bias current
  • 25 V/us slew rate
  • 0.3us settling to 0.01%

Applications

  • ADC driver amplifiers
  • Audio signal conditioning
  • Sensor amplification
  • Precision instrumentation
  • Medical equipment signal chains

The OPA365AIDBVR from TI is a 50MHz zero-crossover rail-to-rail CMOS op amp in SOT-23-5. Zero-crossover topology eliminates input stage crossover distortion common in RRIO amplifiers, providing 100dB CMRR and 0.0004% THD+N. 100uV offset, 0.2pA bias current, 4.5nV/sqrtHz noise. 2.2-5.5V supply with output swinging within 10mV of rails.

Uses TI’s zero-crossover distortion topology where the input pair is dynamically biased to maintain constant transconductance across the entire common-mode range. This eliminates the crossover region distortion that occurs in conventional RRIO amplifiers when the common-mode voltage transitions between the N-channel and P-channel input pairs. The result is seamless 100dB CMRR across the full input range. Rail-to-rail output uses a common-source output stage with adaptive biasing.

Pin Name Type Function
1 IN+ Input Non-inverting input
2 V- Power Negative supply (ground for single-supply)
3 IN- Input Inverting input
4 OUT Output Amplifier output
5 V+ Power Positive supply (2.2-5.5V)
  • Precision ADC driver for 16-24 bit SAR/Delta-Sigma converters
  • Low-distortion audio preamplifier
  • Sensor signal conditioning with rail-to-rail output
  • Medical ECG/EEG front-end amplifier
  • Battery-powered instrumentation amplifier
Manufacturer Part Number Package Notes
TI OPA2365EA/250 SOIC-8 Dual version, SOIC package
ADI ADA4891-1 SOT-23-5 50MHz RRIO, similar performance
Maxim MAX44250 SOT-23-5 50MHz, zero-drift alternative
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Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

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Contact Information

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Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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