MAX1358B

PRODUCTION

16-Bit, Data-Acquisition System with ADC, DACs, UPIOs, RTC, Voltage Monitors, and Temp Sensor

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Overview

  • +1.8V to +3.6V Single-Supply Operation
  • Multichannel, 16-Bit, Sigma-Delta ADC
    • 10sps to 477sps Programmable Conversion Rate
    • Self- and System Offset and Gain Calibration
    • PGA with Gains of 1, 2, 4, or 8
    • Unipolar and Bipolar Modes
    • 10-Input Differential Multiplexer
  • 10-Bit Force-Sense DACs
  • Uncommitted Op Amps
  • Dual SPDT and SPST Analog Switches
  • Selectable References
    • 1.25V, 2.048V, and 2.5V
  • Internal Charge Pump
  • System Support
    • RTC and Alarm Register
    • Internal/External Temperature Sensor
    • Internal Oscillator with Clock Output
    • User-Programmable I/O and Interrupt Generator
    • VDD Monitors
  • SPI/QSPI/MICROWIRE, 4-Wire Serial Interface
  • Space-Saving (6mm x 6mm x 0.8mm), 40-Pin TQFN Package

The MAX1358B smart data-acquisition system (DAS) is based on a 16-bit, sigma-delta analog-to-digital converter (ADC) and system-support functionality for a microprocessor (µP)-based system. This device integrates an ADC, DACs, operational amplifiers, internal selectable-voltage reference, temperature sensors, analog switches, a 32kHz oscillator, a real-time clock (RTC) with alarm, a high-frequency-locked loop (FLL) clock, four user-programmable I/Os, an interrupt generator, and 1.8V and 2.7V voltage monitors in a single chip.

The MAX1358B has dual 10:1 differential input multiplexers (muxes) that accept signal levels from 0 to AVDD. An on-chip 1x to 8x programmable-gain amplifier (PGA) allows measuring low-level signals and reduces external circuitry required.

The MAX1358B operates from a single +1.8V to +3.6V supply and consumes only 1.15mA in normal mode and only 3µA in sleep mode. The MAX1358B has two DACs with one uncommitted op amp.

The serial interface is compatible with either SPI™/QSPI™ or MICROWIRE™, and is used to power up, configure, and check the status of all functional blocks.

The MAX1358B is available in a space-saving, 40-pin TQFN package and is specified over the commercial (0°C to +70°C) and the extended (-40°C to +85°C) temperature ranges.

Applications

  • Battery-Powered and Portable Devices
  • Data-Acquisition Systems
  • Electrochemical and Optical Sensors
  • Industrial Control
  • Medical Instruments

MAX1358B
16-Bit, Data-Acquisition System with ADC, DACs, UPIOs, RTC, Voltage Monitors, and Temp Sensor
MAX1358B: Functional Diagram
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Documentation

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Hardware Ecosystem

Parts Product Life Cycle Description
ADC/DAC Combo Converters 1
MAX1359B 16-Bit, Data-Acquisition System with ADC, DAC, UPIOs, RTC, Voltage Monitors, and Temp Sensor
Analog to Digital Converters (ADCs) 2
MX7705 PRODUCTION 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADC
MAX1415 PRODUCTION 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADCs
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Evaluation Kits

MAX1358EVKIT

Evaluation Kit for the MAX1358

Features and Benefits

  • MAX1358 Data-Acquisition System
  • Graphical User Interface (GUI) for EV Kit Control
  • MAXQ2000 Microcomputer
    • 64kB (32k x 16) Flash Memory
    • 2kB (1k x 16) Data RAM
  • UART-to-RS-232 Physical Interface
  • Serial Memories
    • 2kB IIC EEPROM
    • 4kB SPI™ EEPROM
    • 512 Bytes 1-Wire®
  • Internal and External Temperature Sensors
  • MAX1358 Internal Temperature Sensors
    • External Transistor Temperature Sensor
    • External Linear Temperature Sensor
    • External Thermistor
  • Piezo Buzzer

Product Details

The MAX1358 evaluation kit (EV kit) is a convenient platform to evaluate the capabilities of the MAX1358 data-acquisition system. The EV kit contains all the hardware necessary to interface to a PC and run application software.

Applications

  • Battery-Powered and Portable Devices
  • Data Acquisition Systems
  • Electrochemical and Optical Sensors
  • Industrial Control
  • Medical Instruments

MAX1358EVKIT
Evaluation Kit for the MAX1358

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