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The TLV2472AIDR is a dual-channel, low-power, rail-to-rail input/output CMOS operational amplifier from Texas Instruments. Part of the TLV247x family, this device is designed for battery-powered and portable applications requiring a balance of low power consumption, wide bandwidth, and robust performance. With its 2.8 MHz bandwidth, 1.5 V/µs slew rate, and extremely low input bias current, it is well-suited for sensor signal conditioning, portable instrumentation, and audio processing applications.
Category:Integrated Circuits (ICs);Linear;Amplifiers;Instrumentation, Op Amps, Buffer Amps
Mfr:Texas Instruments
Packaging:Tape & Reel (TR);Cut Tape (CT)
Part Status:Active
Amplifier Type:CMOS
Number of Circuits:2
Slew Rate:1.5V/µs
Gain Bandwidth Product:2.8 MHz
Current - Input Bias:2.5 pA
Voltage - Input Offset:250 µV
Current - Supply:600µA (x2 Channels)
Current - Output / Channel:35 mA
Voltage - Supply Span (Min):2.7 V
Voltage - Supply Span (Max):6 V
Operating Temperature:-40°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:8-SOIC
Base Product Number:TLV2472
Rail-to-Rail Input/Output: Input and output stages swing within millivolts of both supply rails, maximizing dynamic range in low-voltage applications.
Ultra-Low Input Bias Current: 2.5 pA typical input bias current enables accurate amplification of high-impedance sensor signals without significant loading errors.
Low Power Consumption: Consumes only 600 µA per channel, extending battery life in portable and wireless devices.
Wide Supply Voltage Range: Operates from 2.7V to 6V, compatible with single lithium-ion battery and standard 3.3V/5V systems.
High Output Drive Capability: Delivers up to 35 mA output current, suitable for driving ADCs, audio lines, and small loads.
Extended Temperature Range: Functions reliably from -40°C to 125°C, suitable for industrial and automotive environments.
Battery-Powered Instrumentation: Provides signal conditioning for portable medical devices, handheld meters, and wireless sensors where power efficiency is critical.
Sensor Signal Conditioning: Amplifies and buffers signals from photodiodes, thermocouples, strain gauges, and piezoelectric sensors with minimal loading error due to ultra-low input bias current.
Portable Audio Equipment: Used in headphone amplifiers, microphone preamplifiers, and audio line drivers in portable media players and communication devices.
Active Filtering: Implements low-power, low-voltage Sallen-Key filters, multiple feedback filters, and integrators in data acquisition and signal processing chains.
Data Acquisition Systems: Serves as buffer amplifiers for ADC drivers and anti-aliasing filters in multichannel data logging and industrial monitoring systems.
Industrial Control: Provides signal conditioning for pressure, temperature, and position sensors in PLCs, process controllers, and factory automation equipment.
The TLV2472AIDR from Texas Instruments is a versatile, low-power CMOS operational amplifier combining 2.8 MHz bandwidth, rail-to-rail I/O, and ultra-low 2.5 pA input bias current in a space-saving 8-SOIC package. Its excellent power-to-performance ratio and wide temperature range make it an ideal choice for battery-powered instrumentation, sensor interfaces, and portable audio applications where low power consumption, high input impedance, and reliable operation are essential.
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