LTC1283

FEATURES ■ Single Supply 3.3V or ±3.3V Operation ■ Software Programmable Features: Unipolar/Bipolar Conversions 4 Differential/8 Single-Ended Inputs MSB- or LSB-First Data Sequence Variable Data Word Length ■ Built-In Sample-and-Hold ■ Direct 4-Wire Interface to Most MPU Serial Ports and all MPU Parallel Ports ■ 15kHz Maximum Throughput Rate KEY SPECIFICATIO S ■ Minimum Guaranteed Supply Voltage: 3V ■ Resolution: 10 Bits ■ Offset Error: ±0.5LSB Max ■ Linearity Error: ±0.5LSB Max ■ Gain Error (LTC1283A): ±1LSB Max ■ Conversion Time: 44μs ■ Supply Current: 350μA Max, 150μA Typ , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. LTCMOS is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATI 4.7μF 3V FOR 83CL410 CODE SEE APPLICATIONS INFORMATION SECTION LTC1283 DIFFERENTIAL INPUT MPU (e.g., 83CL410) 3V –3V 3V T BIPOLAR INPUT DOUT DIN SCLK UNIPOLAR CS INPUTS SERIAL DATA LINK P1.1 P1.2 P1.3 P1.4 (+) (–) –UNIPOLAR INPUT –3V LTC1283 TA01 UO U U LTC1283 3V Single Chip 10-Bit Data Acquisition System DESCRIPTIO The LTC1283 is a 3V data acquisition component which contains a serial I/O successive approximation A/D converter. It uses LTCMOSTM switched capacitor technology to perform either 10-bit unipolar, or 9-bit plus sign bipolar A/D conversions. The 8-channel input multiplexer can be configured for either single-ended or differential inputs (or combinations thereof...