The LTC®2301/LTC2305 are low noise, low power, 1-/2-channel, 12-bit successive approximation ADCs with an I2Ccompatible serial interface. These ADCs include an internalreference and a fully differential sample-and-hold circuitto reduce common-mode noise. The LTC2301/LTC2305operate from an internal clock to achieve a fast 1.3μsconversion time.The LTC2301/LTC2305 operate from a single 5V supplyand draw just 300μA at a throughput rate of 1ksps. TheADC enters nap mode when not converting, reducing thepower dissipation.The LTC2301/LTC2305 are available in small 12-pin4mm × 3mm DFN and 12-pin MSOP packages. The internal2.5V reference further reduces PCB board spacerequirements.The low power consumption and small size make theLTC2301/LTC2305 ideal for battery operated and portableapplications, while the 2-wire I2C compatible serial interfacemakes these ADCs a good match for space-constrainedsystems.
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