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Precision op amp with ultra-low noise and minimal quiescent current

OPA376AIDR General Description

The OPA376 family represents a new generation of low-noise operational amplifiers with e-trim™, offering outstanding dc precision and ac performance. Rail-to-rail input and output, low offset (25 µV, maximum), low noise (7.5 nV/√Hz), quiescent current of 950 µA (maximum), and a 5.5-MHz bandwidth make this part very attractive for a variety of precision and portable applications. In addition, this device has a reasonably wide supply range with excellent PSRR, making it attractive for applications that run directly from batteries without regulation.

The OPA376 (single version) is available in MicroSIZE SC70-5, SOT-23-5, and SOIC-8 packages. The OPA2376 (dual) is offered in the DSBGA-8, VSSOP-8, and SOIC-8 packages. The OPA4376 (quad) is offered in a TSSOP-14 package. All versions are specified for operation from –40°C to +125°C.

TI Inventory

Key Features

  • Low Noise: 7.5 nV/√Hz at 1 kHz
  • 0.1 Hz to 10 Hz Noise: 0.8 µVPP
  • Quiescent Current: 760 µA (typical)
  • Low Offset Voltage: 5 µV (typ)
  • Gain Bandwidth Product: 5.5 MHz
  • Rail-to-Rail Input and Output
  • Single-Supply Operation
  • Supply Voltage: 2.2 V to 5.5 V
  • Space-Saving Packages:
TI Original Stock
TI Inventory


Source Content uid OPA376AIDR Pbfree Code Yes
Part Life Cycle Code Active Pin Count 8
Reach Compliance Code compliant ECCN Code EAR99
HTS Code 8542.33.00.01 Amplifier Type OPERATIONAL AMPLIFIER
Frequency Compensation YES JESD-30 Code R-PDSO-G8
Low-Bias YES Low-Offset YES
Micropower NO Moisture Sensitivity Level 2
Number of Functions 1 Number of Terminals 8
Packing Method TR Peak Reflow Temperature (Cel) 260
Power NO Programmable Power NO
Surface Mount YES Technology CMOS
Temperature Grade AUTOMOTIVE Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED Voltage Gain-Min 1000000
Wideband NO Number of channels 1
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.2
Vos (offset voltage at 25°C) (max) (mV) 0.025 GBW (typ) (MHz) 5.5
Features EMI Hardened, Small Size, e-Trim™ Slew rate (typ) (V/µs) 2
Rail-to-rail In, Out Offset drift (typ) (µV/°C) 0.32
Iq per channel (typ) (mA) 0.76 Vn at 1 kHz (typ) (nV√Hz) 7.5
CMRR (typ) (dB) 90 Rating Catalog
Operating temperature range (°C) -40 to 125 Input bias current (max) (pA) 10
Iout (typ) (A) 0.03 Architecture CMOS
Input common mode headroom (to negative supply) (typ) (V) -0.1 Input common mode headroom (to positive supply) (typ) (V) 0.1
Output swing headroom (to negative supply) (typ) (V) 0.01 Output swing headroom (to positive supply) (typ) (V) -0.01
THD + N at 1 kHz (typ) (%) 0.00027

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In Stock: 6,340

Minimum Order: 1

Qty. Unit Price Ext. Price
1+ $1.435 $1.44
10+ $1.216 $12.16
30+ $1.096 $32.88
100+ $0.903 $90.30
500+ $0.843 $421.50
1000+ $0.816 $816.00

The prices below are for reference only.