MAX5825

PRODUCTION

Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and I2C Interface

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

Data Sheet (Rev. 3) Product Selection Table
Part Models
4
1ku List Price
Starting From $8.47
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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 400kHz I2C-Compatible, 2-Wire Serial Interface
  • Pin-Selectable Power-On-Reset to Zero-Scale or Midscale DAC Output
  • Active-Low LDAC and Active-Low CLR For Asynchronous DAC Control
  • Three Software-Selectable Power-Down Output Impedances
    • 1kΩ, 100kΩ, or High Impedance
MAX5825
Ultra-Small, Octal Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and I2C Interface
MAX5823, MAX5824, MAX5825: Functional Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Product 2
MAX5724
Ultra-Small, Octal-Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and SPI Interface
MAX5723
Ultra-Small, Octal-Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and SPI Interface
Single-Supply Voltage Output D/A Converters 3
MAX5725
PRODUCTION Ultra-Small, Octal-Channel, 8-/10-/12-Bit Buffered Output DACs with Internal Reference and SPI Interface
MAX5815
PRODUCTION Ultra-Small, Quad-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
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Tools & Simulations

IBIS Model 1

Evaluation Kits

MAXPMBAE

Maxim Analog Essentials Collection of Peripheral Modules

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Features and Benefits

  • Data Converter, Interface, Clock, Sensor, and Other Modules Included to Address Many Design Needs
  • Plug in Modules Enable Rapid Hardware Prototyping
  • Proven Software Drivers Reduce Development Time
  • FPGA Configuration Files Included to Simplify Design Effort

Product Details

Maxim Analog Essentials is a collection of peripheral modules which can plug directly into any FPGA/CPU expansion port which follows the Pmod™ standard established by Digilent, Inc. The collection includes modules containing a wide variety of commonly used analog and mixed signal functions. The modules are supported by software which includes FPGA configuration files for three popular FPGA platforms: Avnet LX-9, Digilent Nexys 3 and Avnet ZEDBoard, as well as example programs to exercise and demonstrate each module. While the example programs demonstrate the module’s functionality, they are well partitioned and documented allowing the core routines to be easily cut and pasted into your own programs. The combination of plug-in simplicity and easy software integration allows for quick migration from idea to working prototype.

MAX5825AEVKIT

Evaluation Kit for the MAX5823, MAX5824, MAX5825A, and MAX5825B

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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 Power-Down Impedance
    • 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 MAX5825A evaluation kit (EV kit) demonstrates the MAX5825A 12-bit, 8-channel, low-power DAC with selectable internal references and buffered voltage output. The IC comes in a 20-pin TSSOP package. The EV kit provides control to change the DAC's outputs, power operations, references, and watchdog timer settings.
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-I²C 400kHz 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 MAX5825AAUP+ installed, which is the 12-bit I²C version. Contact the factory for samples of the pin-compatible MAX5823AUP+ (8-bit), MAX5824AUP+ (10-bit), and MAX5825BAUP+ (12-bit) versions.

Applications

  • 2-Wire Sensors
  • Automatic Test Equipment
  • Automatic Tuning
  • Communication Systems
  • Gain and Offset Adjustment
  • Portable Instrumentation
  • Power Amplifier Control
  • Process Control and Servo Loops
  • Programmable Voltage and Current Sources

eval board
schematic 1
MAX5825PMB1

MAX5825PMB1 Peripheral Module

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Features and Benefits

  • Eight High-Accuracy DAC Channels
  • 12-Bit Accuracy without Adjustment
  • Precision Voltage Reference Internal to the IC
  • Provision for Optional External Reference Input
  • Jumper-Selectable I²C Address Setting
  • 6-Pin Pmod-Compatible Connector (I²C)
  • Secondary Header Allows Daisy-Chaining of Additional Modules on the I²C Bus
  • Example Software Written in C for Portability
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX5825PMB1 peripheral module provides the necessary hardware to interface the MAX5825 8-channel DAC to any system that utilizes Pmod™-compatible expansion ports configurable for I²C communication. The IC features eight independent 12-bit accurate internally buffered voltage-output DAC channels. The IC also features an internal reference that is selectable between 2.048V, 2.500V, and 4.096V (4.096V reference operation is not supported with a standard 3.3V Pmod-port power supply).

Applications

  • Automatic Tuning and Optical Control
  • Gain and Offset Adjustment
  • Portable Instrumentation
  • Process Control and Servo Loops
  • Programmable Voltage and Current Sources
MAXPMBAE
Maxim Analog Essentials Collection of Peripheral Modules
MAX5825AEVKIT
Evaluation Kit for the MAX5823, MAX5824, MAX5825A, and MAX5825B
MAX5825PMB1
MAX5825PMB1 Peripheral Module
MAX5825PMB1 Board Photo

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