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LTC1292/LTC1297
Single Chip 12-Bit Data Acquisition Systems
U U
FEATURES
s Single Supply 5V Operation s Power Shutdown After Each Conversion (LTC1297) s Built-In Sample-and-Hold s 60kHz Maximum Throughput Rate (LTC1292) s Direct 3-Wire Interface to Most MPU Serial Ports and
All MPU Parallel Ports s Analog Inputs Common Mode to Supply Rails
U KEY SPECIFICATIO S
s Resolution: 12 Bits s Fast Conversion Time: 12µs Max Over Temp s Low Supply Current: 6.0mA s Shutdown Supply Current: 5µA (LTC1297)
DESCRIPTIO
The LTC®1292/LTC1297 are data acquisition systems that contain a 12-bit, switched-capacitor successive approximation A/D, a differential input, sample-and-hold on the (+) input, and serial I/O.