Varnitronics
LRC

LR321

23mA 1 800uV 520V/ms 70dB 10pA 60uA Rail-to-Rail Input, Rail-to-Rail Output SOT-23-5 Instrumentation, Op Amps, Buffer Amps

SOT-23-5RoHSActive
Manufacturer
LRC
Manufacturer part #
LR321
Store part #
C2936724
Package / case
SOT-23-5
Packaging
Tape & Reel (TR)
Datasheet (PDF)

Every Order Guarantee

100% Authentic · 30-Day Return or Replacement · policy

2,580 in stock

#C2936724

Stock & price checked 2 days ago

QuantityUnit pricePack price
10+₹9.78₹97.80
100+₹7.96₹796.00
300+₹7.05₹2,115.00
3,000+₹5.86₹17,580.00
6,000+₹5.32₹31,920.00
9,000+₹5.05₹45,450.00

10 × ₹9.78

₹97.80

excl. GST

₹115.40 incl. 18% GST

Need volume or a scheduled delivery? Request a quote
  • Dispatch in 15-18 working days
  • GST invoice with every order
  • Standard pack: 3,000 per reel

LR321

₹97.80 for 10 + GST

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Specifications

Output Current
23mA
Number of Channels
1
Vos - Input Offset Voltage
800uV
Slew Rate
520V/ms
Input Offset Current(Ios)
10pA
Operating Temperature
0℃~+70℃
Common Mode Rejection Ratio(CMRR)
70dB
Ib - Input Bias Current
10pA
Input Offset Voltage Drift(Vos TC)
2.7uV/℃
Quiescent Current
60uA
Features
Built-in compensation
Input Voltage Noise Density
27nV/√Hz@1kHz
Dual Supply
-1.25V~2.75V
Rail to Rail
Rail-to-Rail Input, Rail-to-Rail Output
Single Supply
2.1V~5.5V

Packaging & compliance

RoHS
RoHS
Lifecycle
Active
Moisture sensitivity
MSL 1 (unlimited)
Packaging
Tape & Reel (TR)
Standard pack
3,000 / Reel
Sold per
Piece
Minimum order
10 (multiples of 10)
Unit weight
0.049 g

Overview

LR321 (single-channel) is a rail-to-rail input/output voltage feedback, low-power op-amp featuring a wide input common-mode voltage range and output swing. The minimum supply voltage is 2.1V with a recommended maximum of 5.5V. It is suitable for use as a power amplifier in various compact or portable stereo audio recorders. The LR321 delivers 1MHz gain-bandwidth product at 60μA supply current. Its ultra-low input bias current (approximately 10pA level) makes it ideal for integrators, photodiode amplifiers, and piezoelectric sensors. Rail-to-rail input and output buffering is also used in specific IC designs for single-supply systems. Applications for this amplifier series include security monitoring, portable devices, battery and power supply control, and signal processing and interfacing in low-power sensor systems.

Applications

  • ASIC input and output op-amps
  • Sensor interface
  • Piezoelectric sensor amplifier
  • Medical devices
  • Mobile communications
  • Audio output
  • Portable systems
  • Smoke detectors, laptops, PCMCIA cards
  • Battery-powered devices
  • DSP interface

Key features

  • Low power consumption
  • Rail-to-rail input and output, typical Vos of 0.8mV
  • Unity-gain stable
  • Gain bandwidth product 1MHz
  • Low input bias current: 10pA level, <1nA
  • 2.1V~5.5V supply voltage
  • Low supply current: 60uA

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