MAX1358B

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


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Description

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.
MAX1358B: Functional Diagram MAX1358B: Functional Diagram Enlarge+

Key Features

  • +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

Applications/Uses

  • Battery-Powered and Portable Devices
  • Data-Acquisition Systems
  • Electrochemical and Optical Sensors
  • Industrial Control
  • Medical Instruments
Part NumberResolution
(bits)
Input Chan.Conv. Rate
(ksps)
ADC ArchitectureData BusDiff/S.E. InputInternal VREF
(V)
External VREF
(V)
External VREF
(V)
Unipolar VIN
(V)
Bipolar VIN
(±V)
INL
(±LSB)
Package/PinsBudgetary
Price
ADCmaxnominalminmaxmaxmaxSee Notes
MAX1358B 1620.512Sigma-DeltaSPIDiff. Only2.513.62.52.52
TQFN/40
$5.40 @1k
See All Precision ADCs (< 5Msps) (444)

Part NumberSensing ElementPGA GainCalibration MethodOutput TypeICC
(mA)
InterfaceDACs/ADCsVSUPPLY
(V)
Package/Pins
typ
MAX1358B Amperometric Cell (Blood Glucose)1 to 8 (4 gains)External microcontrollerDigital1.15SPI
16-bit ADC
2 10-bit DACs
1.8 to 3.6
See Data Sheet
See All Sensor Signal Conditioners (10)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


MAX1358EVKIT: Evaluation Kit for the MAX1358

Quality and Environmental Data

Request Reliability Report for: MAX1358B 
Lead-Free Package Tin (Sn) Whisker Reports

CAD Symbols and Footprints

  • MAX1358BETL+
  • MAX1358BETL+T
  • Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

    Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

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    Related Resources


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    05/29/2020 - 05/31/2020, Detroit, MI
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