WM0834 - Wolfson Microelectronics plc

WM0834 8-Bit ADCs with Serial Interface and Configurable Input Multiplexer

WM0834 and WM0838 are 8-bit analogue to digital converters (ADC) with configurable 4-input and 8-input multiplexers respectively and a serial I/O interface. Assignment of the multiplexer inputs is configured before each conversion via the serial data input to give single-ended or differential operation for the selected inputs. A mixture of input configuratio.

Features

• Functionally Equivalent to National Semiconductor ADC0834 and ADC0838 without the Internal Zener Regulator Network 4-input (WM0834) or 8-input (WM0838) MUX options Reference input operates ratiometrically or with a fixed reference Input range 0 to Vcc with Vcc Reference 5V and 3.3V variants Total Unadjusted Error: ± 1 LSB 8-bit resolution Low Power 32 µs conversion time at fclock = 250 kHz Serial I/O interface WM0834 packages: 14 pin SO & DIP WM0838 packages: 20 pin wide-body SO & DIP
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• Applications
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• Embedding with remote sensors Equipment health monitoring Automot.