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MAX5144

Features: *Miniature (3mm x 5mm) 8-Pin µMAX Package*Low 120µA Supply Current*Fast 1µs Settling Time *25MHz SPI/QSPI/MICROWIRE-Compatible Serial Interface*VREF Range Extends to VDD*+5V (MAX5141/MAX5142) or +3V (MAX5143/MAX5144) Single-Supply Operation*Full 14-Bit Performance Witho...

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MAX5144: Features: *Miniature (3mm x 5mm) 8-Pin µMAX Package*Low 120µA Supply Current*Fast 1µs Settling Time *25MHz SPI/QSPI/MICROWIRE-Compatible Serial Interface*VREF Range Extends to VDD*...

MAX5144 Data Sheet

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Part Number:
MAX5144
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

*Miniature (3mm x 5mm) 8-Pin µMAX Package
*Low 120µA Supply Current
*Fast 1µs Settling Time
*25MHz SPI/QSPI/MICROWIRE-Compatible Serial Interface
*VREF Range Extends to VDD
*+5V (MAX5141/MAX5142) or +3V (MAX5143/MAX5144) Single-Supply Operation
*Full 14-Bit Performance Without Adjustments
*Unbuffered Voltage Output Directly Drives 60kΩ Loads
*Power-On Reset Circuit Clears DAC Output to
   Code 0 (MAX5141/MAX5143) or Code 8192 (MAX5142/MAX5144)
*Schmitt-Trigger Inputs for Direct Optocoupler Interface
*Asynchronous CLR 


Application

High-Resolution and Gain Adjustment
Industrial Process Control
Automated Test Equipment
Data-Acquisition Systems


Pinout

Connection Diagram




Specifications

VDD to GND....................................................-0.3V to +6V
CS, SCLK, DIN, CLR to GND ...........................-0.3V to +6V
REF to GND........................................-0.3V to (VDD + 0.3V)
OUT, INV to GND ............................................-0.3V to VDD
RFB to INV.........................................................-6V to +6V
RFB to GND........................................................-6V to +6V
Maximum Current into Any Pin...................................50mA
Continuous Power Dissipation (TA = +70)
8-Pin µMAX (derate 4.5mW/ above +70)..........362mW
10-Pin µMAX (derate 5.6mW/ above +70)........444mW
Operating Temperature Ranges
   MAX514_ EUA............................................-40 to +85
   MAX514_ EUB............................................-40 to +85
Storage Temperature Range .....................-65 to +150
Maximum Die Temperature.......................................+150
Lead Temperature (soldering, 10s) .........................+300


Description

    The MAX5141MAX5144 are serial-input, voltage-output,14-bit digital-to-analog converters (DACs) in tiny µMAX packages, 50% smaller than comparable DACs in an  8-pin SO. They operate from low +3V (MAX5143/MAX5144) or +5V (MAX5141/MAX5142) single supplies.They provide 14-bit performance (±1LSB INL and DNL) over temperature without any adjustments. The DAC output is unbuffered, resulting in a low supply current of 120µA and a low offset error of 2LSBs.

    The DAC output range is 0V to VREF. For bipolar operation, matched scaling resistors are provided in the MAX5142/MAX5144 for use with an external precision op amp (such as the MAX400), generating a ±VREF output swing. 

    A 16-bit serial word is used to load data into the DAC latch. The 25MHz, 3-wire serial interface is compatible with SPI™/QSPI™/MICROWIRE™, and can interface directly with optocouplers for applications requiring isolation. A power on reset circuit clears the DAC output to code 0 (MAX5141/MAX5143) or code 8192 (MAX5142/MAX5144) when power is initially applied.

    A logic low on CLR asynchronously clears the DAC output to code 0 (MAX5141/MAX5143) or code 8192 (MAX5142/MAX5144), independent of the serial interface.The MAX5141/MAX5143 are available in 8-pin µMAX packages and the MAX5142/MAX5144 are available in 10-pin µMAX packages.




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