MAX1257

PRODUCTION

12-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports

Analog Devices MAX1257 Product Info

10 February 2026 5

Features

Reduce Parts Count and Board Space with Fully Integrated System Monitor and Controller
- Monitors 8 (MAX1220) or 16 Voltages (MAX1257/MAX1258) Using 12-Bit, 225ksps ADC
- Controls 8 Output Voltage Level with 12-Bit, Octal, 2µs Settling DAC with Ultra-Low Glitch Energy (4n x VS)
- Measures Temperature with Internal ±1°C Accurate Temperature Sensor
- Options for Using Either Internal 2.5V (MAX1257) Reference, 4.096V (MAX1220/MAX1258) Reference or External Reference
- Includes 4 (MAX1220) or 12 (MAX1257/1258) GPIOs
Lower Processor Requirements and Minimize Power Consumption and Heat Dissipation
- On-Chip FIFO, Channel-Scan Mode and Data Averaging
- Autoshutdown Between Conversions
- Low-Power ADC
  - 2.5mA at 225ksps
  - 22µA at 1ksps
- Low-Power DAC: 1.5mA
- TQFN Package with Exposed Pad
Enable Maximum Dynamic Range with Availability of 2 Analog Power Supply Options: +2.7V to +3.6V (MAX1257) or +4.75V to +5.25V (MAX1220/MAX1258)

Part details & applications

The MAX1220/MAX1257/MAX1258 is a highly integrated system monitoring and control solution which includes a 16-channel (MAX1257/MAX1258) or 8-ch (MAX1220) 12-bit Analog to Digital Converter (ADC), twelve 12-bit Digital to Analog Converters (DACs), an internal reference, an internal temp sensor, a 4-bit (MAX1220) or 12-bit (MAX1257/MAX1258) GPIO port, and a 25MHz SPI-/QSPI™-/MICROWIRE^®- compatible serial interface.

The MAX1220 is available in a 36-pin TQFN package. The MAX1257/MAX1258 are available in 48-pin TQFN package. All devices are specified over the -40°C to +85°C temperature range.

Applications

Base-Station Control Loops
Controls for Optical Components
Data Acquisition Systems
System Supervision and Control

Subscribe to Welllinkchips !

Your Name

* Email