Features and Benefits
- 8-Bit Accuracy in a Miniature 5-Pin SOT23
- Wide +2.7V to +5.5V Supply Range (MAX5382)
- Low 230µA max Supply Current
- 1µA Shutdown Mode
- Buffered Output Drives Resistive Loads
- Low-Glitch Power-On Reset to Zero DAC Output
- Fast I²C-Compatible Serial Interface
- <±5% Full-Scale Error (MAX5382)
- <±1LSB max INL/DNL
The MAX5380/MAX5381/MAX5382 are low-cost, 8-bit digital-to-analog converters (DACs) in miniature 5-pin SOT23 packages, with a simple 2-wire serial interface that allows communication with multiple devices. The MAX5380 has an internal +2V reference and operates from a +2.7V to +3.6V supply. The MAX5381 has an internal +4V reference and operates from a +4.5V to +5.5V supply. The MAX5382 operates over the full +2.7V to +5.5V supply range and has an internal reference equal to 0.9 x VDD.
The fast-mode I²C*-compatible serial interface allows communication at data rates up to 400kbps, minimizing board space and reducing interconnect complexity in many applications. Each device is available with one of four factory-preset addresses (see Selector Guide). These DACs also include an output buffer, a low-power shutdown mode, and a power-on reset that ensures the DAC outputs are at zero when power is initially applied. In shutdown mode, supply current is reduced to less than 1µA and the output is pulled down to GND with a 10kΩ resistor.
- Automatic Gain Control
- Automatic Offset Adjustment
- Automatic Tuning (VCO)
- Power-Amp Bias Control
- Programmable Threshold Levels
Product Lifecycle Production
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
Evaluation Kits (1)
- Battery Operated Equipment
- General Power Supply/Monitoring Applications
- Handheld Devices
- Server Backplanes
Features & Benefits
- Programmable Current Limit Up to 1A
- Two Current Ranges (Jumper Selectable)
- Measure and Read Back Load Current, Load Voltage, and Set Point
- Power Source Up to 30V
- Jumper-Selectable I²C Address Setting for the MAX9611
- 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
Documentation & Resources
Reduce the Chances of Human Error: Part 1, Power and Ground3/8/2011
Reduce the Chances of Human Error: Part 2, Super Amps and Filters for Analog Interface3/8/2011
Saving Energy: Little Things Mean a Lot7/1/2009
Digital Adjustment of DC-DC Converter Output Voltage in Portable Applications8/6/2002
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.
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