1.8-V CMOS OPERATIONAL AMPLIFIER
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OPA313 OPA2313 OPA4313
SBOS649C – SEPTEMBER 2012 – REVISED MARCH 2013
1-MHz, Micro-Power, Low-Noise, RRIO,1...
Description
www.ti.com
OPA313 OPA2313 OPA4313
SBOS649C – SEPTEMBER 2012 – REVISED MARCH 2013
1-MHz, Micro-Power, Low-Noise, RRIO,1.8-V CMOS OPERATIONAL AMPLIFIER Precision Value Line Series
Check for Samples: OPA313, OPA2313, OPA4313
FEATURES
1
2 Low IQ: 50 µA/ch Wide Supply Range: 1.8 V to 5.5 V Low Noise: 25 nV/√Hz at 1 kHz Gain Bandwidth: 1 MHz Low Input Bias Current: 0.2 pA Low Offset Voltage: 0.5 mV Unity-Gain Stable Internal RF/EMI Filter Extended Temperature Range:
–40°C to +125°C
APPLICATIONS
Battery-Powered Instruments: – Consumer, Industrial, Medical – Notebooks, Portable Media Players
Sensor Signal Conditioning: – Loop-Powered – Notebooks, Portable Media Players
Wireless Sensors: – Home Security – Remote Sensing – Wireless Metering
DESCRIPTION
The OPA313 family of single-, dual-, and quadchannel op amps represents a new generation of lowcost, general purpose, micro-power operational amplifiers. Featuring rail-to-rail input and output swings, and low quiescent current (50 μA, typ) combined with a wide bandwidth of 1 MHz and very low noise (25 nV/√Hz at 1 kHz) makes this family very attractive for a variety of battery-powered applications that require a good balance between cost and performance. The low input bias current supports those op amps to be used in applications with megaohm source impedances.
The robust design of the OPA313 devices provides ease-of-use to the circuit designer: unity-gain stability with capacitive loads of up to 150 pF, integr...
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