1.8 V/ 5 MHz Rail-to-Rail Low Power Operational Amplifiers
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FEATURES Single Supply Operation: 1.8 V to 6 V Space-Saving SOT-23, SOIC Packaging Wide Bandwid...
Description
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FEATURES Single Supply Operation: 1.8 V to 6 V Space-Saving SOT-23, SOIC Packaging Wide Bandwidth: 5 MHz @ 5 V, 4 MHz @ 1.8 V Low Offset Voltage: 4 mV Max, 0.8 mV typ Rail-to-Rail Input and Output Swing 2 V/ s Slew Rate @ 1.8 V Only 225 A Supply Current @ 1.8 V APPLICATIONS Portable Communications Portable Phones Sensor Interface Active Filters PCMCIA Cards ASIC Input Drivers Wearable Computers Battery-Powered Devices New Generation Phones Personal Digital Assistants GENERAL DESCRIPTION
1.8 V, 5 MHz Rail-to-Rail Low Power Operational Amplifiers AD8631/AD8632
PIN CONFIGURATIONS 5-Lead SOT-23 (RT Suffix)
OUT A 1 V– 2 +IN A 3 4 –IN A
AD8631
5 V+
8-Lead SOIC (R Suffix)
OUT A 1 –IN A 2 +IN A 3 V– 4 8 7 V+ OUT B –IN B +IN B
AD8632
6 5
8-Lead SOIC (RM Suffix)
OUT A –IN A +IN A V– 1 8
The AD8631 brings precision and bandwidth to the SOT-23-5 package at single supply voltages as low as 1.8 V and low supply current. The small package makes it possible to place the AD8631 next to sensors, reducing external noise pickup. The AD8631 and AD8632 are rail-to-rail input and output bipolar amplifiers with a gain bandwidth of 4 MHz and typical voltage offset of 0.8 mV from a 1.8 V supply. The low supply current and the low supply voltage makes these parts ideal for battery-powered applications. The 3 V/µs slew rate makes the AD8631/AD8632 a good match for driving ASIC inputs, such as voice codecs. The AD8631/AD8632 is specified over the extended industrial (–...
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