Texas Instruments

OPA333AIDBVR

Amplifiers & Comparators

Manufacturer
MPN
OPA333AIDBVR
Package / Case
SOT-23-5
Key Attributes
OPAx333 1.8V micropower CMOS operational amplifier zero-drift series

Technical Specifications

TypeDescription
Common Mode Rejection Ratio130 dB
Gain Bandwidth Product350 kHz
Voffset V2 V
Quiescent Current17 µA
Output Current5 mA
Rail To RailRail-to-Rail Input, Rail-to-Rail Output
Input Offset Current(Ios)400pA
Ib - Input Bias Current70pA
TypeDescription
Channels1
Slew Rate Vus0.16 V/µs
Operating Temperature-40°C~+125°C
Voffset Drift Uv50 µV
FeaturesZero drift / auto-zero
Dual Supply-2.75V~-900mV;900mV~2.75V
Single Supply1.8V~5.5V
Package / CaseSOT-23-5

Product Introduction

The CMOS OPAx333 series operational amplifiers use proprietary auto-calibration technology to provide extremely low offset voltage (10 μV, maximum) and achieve near-zero drift over time and with temperature changes. These high-precision, low quiescent current micro-amplifiers offer high-impedance inputs (common-mode range extends 100 mV beyond the supply rails) and rail-to-rail outputs (swing within 50 mV of the supply rails). They can operate from single or dual supplies as low as 1.8 V (±0.9 V) and up to 5.5 V (±2.75 V). These devices are optimized for low-voltage, single-supply operation. The OPAx333 series provides excellent CMRR without the crossover associated with traditional complementary input stages. This design enables excellent performance when driving analog-to-digital converters (ADCs) without degrading differential linearity. The OPA333 (single-channel version) is available in 5-pin SOT - 23, SOT, and 8-pin SOIC packages, while the OPA2333 (dual-channel version) is available in 8-pin VSON, SOIC, and VSSOP packages. All versions are specified for operation from -40°C to 125°C.

Features

  • Low offset voltage: 10μV (max)
  • Zero drift: 0.05μV/°C (max)
  • 0.01Hz to 10Hz noise: 1.1μVPP
  • Quiescent current: 17μA
  • Single-supply operation
  • Supply voltage: 1.8V to 5.5V
  • Rail-to-rail input/output
  • Miniature packages: SC70 and SOT23

Applications

  • Sensors
  • Temperature measurement
  • Electronic scales
  • Medical instrumentation
  • Battery-powered instruments
  • Handheld test equipment

Datasheet

📄 Open Download

Alternative Parts

Common OPA333AIDBVR alternatives overseas buyers search for:

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8542339000
USHTS8542330001
TARIC8542339000
TypeDetails
CAHTS8542330000
BRHTS85423390
INHTS85423300
MXHTS8542.33.99

Sourcing Information

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