ADC0834CCN 8-Bit ADC 4-Channel Input 5V Supply Serial I/O Low Power 0°C to +70°C Easy MCU Interface Cost-Effective Solution

FEATURES

• TIMICROWIRE Compatible—Direct Interface to COPS Family Processors

• EasyInterface to All Microprocessors, or Operates “Stand-Alone”

• Operates Ratiometrically or with 5 VDC Voltage Reference

• NoZeroor Full-Scale Adjust Required

• 2-, 4- or 8-Channel Multiplexer Options with Address Logic

• Shunt Regulator Allows Operation with High Voltage Supplies

• 0Vto5VInput Range with Single 5V Power Supply

• Remote Operation with Serial Digital Data Link

• TTL/MOS Input/Output Compatible

• 0.3 in. Standard Width, 8-, 14- or 20-Pin PDIP Package

• 20Pin PLCC Package (ADC0838-N Only)

• SOICPackage

KEY SPECIFICATIONS

• Resolution: 8 Bits

• Total Unadjusted Error: ±½ LSB and ±1 LSB

• Single Supply: 5 VDC

• LowPower: 15 mW

• Conversion Time: 32 μs

DESCRIPTION

The ADC0831 series are 8-bit successive approximation A/D converters with a serial I/O and configurable input multiplexers with up to 8 channels. The serial I/O is configured to comply with the TI MICROWIRE serial data exchange standard for easy interface to the COPS family of processors, and can interface with standard shift registers or μPs.

The 2-, 4- or 8-channel multiplexers are software configured for single-ended or differential inputs as well as channel assignment.

The differential analog voltage input allows increasing the common-mode rejection and offsetting the analog zero input voltage value. In addition, the voltage reference input can be adjusted to allow encoding any smaller analog voltage span to the full 8 bits of resolution.

Typical Application

INFORMATION

Drawing

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