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MAX154：CMOS High-Speed, 8-Bit ADCs with Multiplexer and Reference

The MAX154/MAX158 are high-speed multi-channel analog-to-digital converters (ADCs). The MAX154 has four analog input channels while the MAX158 has eight channels. Conversion time for both devices is 2.5µs. The MAX154/MAX158 also feature a 2.5V on-chip reference, forming a complete high-speed data acquisition system. Both converters include a built-in track/hold, eliminating the need for an external track/hold. The analog input range is 0V to +5V, although the ADC operates from a single +5V supply. Microprocessor interfaces are simplified by the ADC's ability to appear as a memory location or I/O port without the need for external logic. The data outputs use latched, three-state buffer circuitry to allow direct connection to a microprocessor data bus or system input port.

Key Features One-Chip Data Acquisition System Four or Eight Analog Input Channels 2.5µs per Channel Conversion Time Internal 2.5V Reference Built-In Track/Hold Function ½ LSB Error Specification Single +5V Supply Operation No External Clock New Space-Saving SSOP Package

MAX154, MAX158: Functional Diagram Applications/Uses Audio Instrumentation Digital Signal Processing (DSP) High-Speed Data Acquisition High-Speed Servo Control Telecommunications

DataSheet

Parametrics

Quality and Environmental Data

• MAX154.pdf

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• ADC0820：CMOS High-Speed 8-Bit A/D Converter with Track/Hold Function
• MAX160：CMOS, µP Compatible, 4µs, 8-Bit ADC

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