MAX5724

Ultra-Small, Octal-Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and SPI Interface

Feature-Rich 8-Channel DAC Family Offered in a 5.75mm2 WLP Footprint

Data Sheet (Rev. 2)
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Part Details

  • Eight High-Accuracy DAC Channels
    • 12-Bit Accuracy Without Adjustment
    • ±1 LSB INL Buffered Voltage Output
    • Guaranteed Monotonic Over All Operating Conditions
    • Independent Mode Settings for Each DAC
  • Three Precision Selectable Internal References
    • 2.048V, 2.500V, or 4.096V
  • Internal Output Buffer
    • Rail-to-Rail Operation with External Reference
    • 4.5µs Settling Time
    • Outputs Directly Drive 2kΩ Loads
  • Small 6.5mm × 4.4mm 20-Pin TSSOP or Ultra-Small 2.5mm × 2.3mm 20-Bump WLP Package
  • Wide 2.7V to 5.5V Supply Range
  • Separate 1.8V to 5.5V VDDIO Power-Supply Input
  • Fast 50MHz 4-Wire SPI/QSPI/MICROWIRE/DSP-Compatible Serial Interface
  • Programmable Interface Watchdog Timer
  • Pin-Selectable Power-On-Reset to Zero-Scale or Midscale DAC Output
  • Active-Low LDAC and Active-Low CLR for Asynchronous DAC Control
  • Three Selectable Power-Down Output Impedances
    • 1kΩ, 100kΩ, or High Impedance
MAX5724
Ultra-Small, Octal-Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and SPI Interface
MAX5723, MAX5724, MAX5725: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Product 2
MAX5824
Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and I2C Interface
MAX5713
Ultra-Small, Quad-Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and SPI Interface
Single-Supply Voltage Output D/A Converters 4
MAX5825
PRODUCTION Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and I2C Interface
MAX5823
RECOMMENDED FOR NEW DESIGNS Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and I2C Interface
MAX5715
PRODUCTION Ultra-Small, Quad-Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and SPI Interface
MAX5714
PRODUCTION Ultra-Small, Quad-Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and SPI Interface
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Tools & Simulations

IBIS Model 1

Evaluation Kits

MAX5725AEVKIT

Evaluation Kit for the MAX5723, MAX5724, MAX5725A, and MAX5725B

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Features and Benefits

  • Wide Input Supply Range: 2.7V to 5.5V
  • Independent Voltage for Digital I/O: 1.8V to 5.5V
  • Demonstrates 4.4µs (typ) Settling Time of Buffered Output
  • Precision Selectable Internal References Supporting 2.048V, 2.500V, and 4.096V
  • Demonstrates User-Supplied External Reference
  • Three Selectable Output Impedance (Termination) in Power-Down Mode
    • 1kΩ, 100kΩ, or High Impedance
  • Power-Up Reset to Midscale or Zero
  • Supports Entire Family of Octal SPI/I²C DACs
  • Windows XP-, Windows Vista-, and Windows 7-Compatible Software
  • USB-Powered (Cable Included)
  • Demonstrates Configurable Interface Watchdog Timer
  • Fully Assembled and Tested with Proven PCB Layout

Product Details

The MAX5725A evaluation kit (EV kit) demonstrates the MAX5725A 12-bit, 8-channel, low-power DAC with selectable internal references and buffered voltage output. The IC is in a 20-pin TSSOP package. The EV kit provides control to change the DAC's outputs, power operations, references, and watchdog time setting.
The IC features a watchdog function that can be enabled to monitor the I/O interface for activity and integrity.
The EV kit includes a USB-to-SPI interface circuit. The EV kit features Windows XP®-, Windows Vista®-, and Windows® 7-compatible software that provides a simple graphical user interface (GUI) for exercising the IC's features.
The EV kit comes with the MAX5725AAUP+ installed, which is the 12-bit SPI version. Contact the factory for samples of the pin-compatible MAX5723AUP+ (8-bit), MAX5724AUP+ (10-bit), and MAX5725BAUP+ (12-bit) versions.

eval board
schematic 1
MAX5725SYS1

Evaluation System for the MAX5725

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Features and Benefits

  • 2x6-Pin PMod™-Compatible Connector (SPI)
  • On-Board Voltage Reference (MAX6173)
  • Proven PCB Layout
  • Fully Assembled and Tested
  • Windows 7/8/10-Compatible Software

Product Details

The MAX5725 evaluation system demonstrates the MAX5725 ultra small, 8-channel, low-power, 12-bit buffered output DAC with internal reference. The MAX5725 peripheral module (PMod) and the USBPMBP2 module form a system (MAX5725SYS1#). Windows 7/8/10-compatible software provides a user-friendly interface that demonstrates features of the MAX5725.

The MAX5725 peripheral module comes installed with the 20-bump WLP package, MAX5725AWP+.

Applications

  • Automatic Tuning and Optical Control
  • Gain and Offset Adjustment
  • Portable Instrumentation
  • Power Amplifier Control and Biasing
  • Process Control and Servo Loops
  • Programmable Voltage and Current Sources
MAX5725AEVKIT
Evaluation Kit for the MAX5723, MAX5724, MAX5725A, and MAX5725B
MAX5725SYS1
Evaluation System for the MAX5725
MAX5725SYS1: Typical Operating Circuit

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