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TI OPA145IDR product image
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TI OPA145IDRRoHS

Manufacturer
TI
MPN
OPA145IDR
LCSC Part #
C2060767
Packaging
SOIC-8
Customer #
Key Attributes
OPA x145 High-precision, Low-noise, Rail-to-rail Output, 5.5MHz JFET Operational Amplifier
Datasheetpdf iconTI OPA145IDR
In-Stock: 11
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QtyUnit PriceTotal Amount
1+$ 1.7033$ 1.70
10+$ 1.661$ 16.61
30+$ 1.6334$ 49.00
100+$ 1.6057$ 160.57
Standard Packaging2500/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Linear/Amplifiers/Instrumentation, Op Amps, Buffer Amps
ManufacturerTI
PackagingSOIC-8
Output Current20mA
Number of Channels1
Vos - Input Offset Voltage40uV
Slew Rate20V/us
Input Offset Current(Ios)2pA
Operating Temperature-55℃~+150℃
Ib - Input Bias Current2pA
Input Offset Voltage Drift(Vos TC)0.4uV/℃
Quiescent Current445uA
Gain Bandwidth Product5.5MHz
FeaturesShort-Circuit Protection
Input Voltage Noise Density7nV/√Hz
Dual Supply-18V~-2.25V;2.25V~18V
Rail to RailRail-to-rail output
Single Supply4.5V~36V
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Introduction

AI Translation

The OPA145 and OPA2145 (OPAx145) devices belong to the low-power JFET-input amplifier series, featuring excellent drift, low current noise, and picoampere-level input bias current. These characteristics make the OPAx145 highly suitable for amplifying small signals generated by high-impedance sensors. Modern single-supply precision analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) can achieve rail-to-rail output swing characteristics. Additionally, the input range including V– allows designers to simplify power management and fully utilize the single-supply low-noise JFET architecture. The OPAx145 precision JFET technology can provide excellent linear input impedance.

Features

AI Translation
  • Ideal bandwidth and slew rate/power ratio
  • Gain-bandwidth product: 5.5MHz
  • Slew rate: 20V/μs
  • Low supply current: 475μA (maximum)
  • High precision
  • Ultra-low offset voltage: 150μV (maximum)
  • Very low temperature drift: 1μV/°C (maximum)
  • Low input bias current: 2pA
  • Excellent noise immunity
  • Ultra-low voltage noise: 7nV/√Hz
  • Ultra-low current noise: 0.8fA/√Hz
  • Input voltage range includes V– supply
  • Single-supply operation: 4.5V to 36V
  • Dual-supply operation: ±2.25V to ±18V

Applications

AI Translation
  • Semiconductor test
  • Laboratory and field instrumentation
  • Source measure unit (SMU)
  • Weighing scales
  • Data center intra-connect (metro)
  • Commercial networking and server PSU
  • DC power supply, AC power supply, electronic load
  • Data acquisition (DAQ)
  • 16-bit 100kSPS fully differential transimpedance imaging applications