MAX176

RECOMMENDED FOR NEW DESIGNS

Serial Output, 250ksps, 12-Bit ADC with Track/Hold and Reference

Analog Devices MAX176 Product Info

10 February 2026 6

Features

12-Bit Resolution and Linearity
0.4µs Track/Hold Acquisition Time
3.5µs Max Conversion Time
250ksps Sampling Rate
SPI-, QSPI- and Microwire'"-Compatible Serial Output

±5V Input Voltage Range
On-Chip Voltage Reference
Low Power (148mW)
Easy to Opto- or Transformer-Isolate
Small-Footprint 8-Pin DIP, 16-Pin SO

Part details & applications

The MAX176 is a complete analog-to-digital converter (ADC) that achieves a 250k samples per second (ksps) sampling rate by combining a fast track/hold (0.4µs max acquisition time), a 3.5µs ADC, and a buried-zener voltage reference. The device also saves space with serial interface and 8-pin DIP or 16-pin surface-mount SO packages.

Supply and reference decoupling capacitors are the only external components needed. The CLOCK input can be driven from an external divided-down microprocessor clock or from the serial-clock output of a microcontroller. The MAX176 works with +5V and -12V to -1 SV supply voltages ( 148mW typ power dissipation).

The MAX176's 3-wire serial interface works with general purpose serial-to-parallel converters, such as the 74HC595. as well as with digital-signal processors and microcontrollers. Its 3-wire serial interlace is fully compatible with SPI, OSPI and Microwire™ interface standards.

APPLICATIONS

Telecommunications
Digital-Signal Processing (DSP)
Sonar/Radar Signal Processing
Industrial Data Acquisition

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