LTC1286IS8#PBF

LTC1286 is a micropower, 12-bit, successive approximation sampling A/D converter. This typically draw only 250µA of supply current when converting and automatically power down to a typical supply current of 1nA whenever this is not performing conversions. This 12-bit, switched-capacitor, successive approximation ADC include sample-and-holds. This has a single differential analogue input. On-chip serial ports allow efficient data transfer to a wide range of microprocessors and microcontrollers over three wires. This, coupled with micropower consumption, makes remote location possible and facilitates transmitting data through isolation barriers. This circuit can be used in ratiometric applications or with an external reference. Applications are battery-operated systems, remote data acquisition, battery monitoring, handheld terminal interface, temperature measurement, isolated data acquisition.

• Low cost
• Supply voltage is 4.5 to 9V
• Clock frequency is 200KHz at VCC = 5V
• Supply current is 500µA at tCYC = 80µs, fCLK = 200kHz
• Auto shutdown to 1nA typical
• Guaranteed ±3/4LSB maximum DNL
• On-chip sample-and-hold
• Sampling rate is 12.5Ksps
• 8-lead plastic SOIC package

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