MAX5841:Quad, 10-Bit, Low-Power, 2-Wire, Serial Voltage-Output DAC

The MAX5841 is a quad, 10-bit voltage output, digital-to-analog converter (DAC) with an I²C*-compatible, 2-wire interface that operates at clock rates up to 400kHz. The device operates from a single 2.7V to 5.5V supply and draws only 230µA at VDD = 3.6V. A power-down mode decreases current consumption to less than 1µA. The MAX5841 features three software-selectable power-down output impedances: 100kΩ , 1kΩ , and high impedance. Other features include internal precision Rail-to-Rail output buffers and a power-on reset (POR) circuit that powers up the DAC in the 100kΩ power-down mode. The MAX5841 features a double-buffered I²C-compatible serial interface that allows multiple devices to share a single bus. All logic inputs are CMOS-logic compatible and buffered with Schmitt triggers, allowing direct interfacing to optocoupled and transformer-isolated interfaces. The MAX5841 minimizes digital noise feedthrough by disconnecting the clock (SCL) signal from the rest of the device when an address mismatch is detected. The MAX5841 is specified over the extended temperature range of -40°C to +85°C and is available in a miniature 10-pin µMAX® package. Refer to the MAX5842 data sheet for the 12-bit version.

Key Features
  • Ultra-Low Supply Current
    • 230µA at VDD = 3.6V
    • 280µA at VDD = 5.5V
  • 300nA Low-Power Power-Down Mode
  • Single 2.7V to 5.5V Supply Voltage
  • Fast 400kHz I²C-Compatible 2-Wire Serial Interface
  • Schmitt-Trigger Inputs for Direct Interfacing to Optocouplers
  • Rail-to-Rail Output Buffer Amplifiers
  • Three Software-Selectable Power-Down Output Impedances
    • 100kΩ, 1kΩ, and High Impedance
  • Read-Back Mode for Bus and Data Checking
  • Power-On Reset to Zero
  • 10-Pin µMAX Package
MAX5841: Typical Operating Circuit
MAX5841: Typical Operating Circuit
Applications/Uses
  • Automated Test Equipment (ATE)
  • Battery-Powered Applications
  • Digital Gain and Offset Control
  • Low-Cost Instrumentation
  • Programmable Attenuators
  • Programmable Voltage and Current Sources
  • VCO/Varactor Diode Control
DataSheet
titleDownload file
MAX5841 Data SheetMAX5841.pdf
Parametrics
Part NumberResolution
(bits)
ChannelsOutput TypeReferenceINL
(±LSB)
InterfaceSupply Range
(V)
Supply Range
(V)
ICC
(mA)
Settling Time
(µs)
Package/PinsOper. Temp.
(°C)
Budgetary
Price
maxminmaxmaxtypSee Notes
MAX5841104Voltage- BufferedExt.4Serial - I2C2.75.50.424µMAX/10-40 to +85$5.30 @1k
Quality and Environmental Data
Ordering Information
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX5841LEUBNo Longer AvailableMAX5841LEUB+µMAX,;10 pin;15.4 mm²-40°C to +85°CNo
MAX5841LEUB+ActiveµMAX,;10 pin;15.4 mm²-40°C to +85°CLead Free
MAX5841LEUB+TActiveµMAX,;10 pin;15.4 mm²-40°C to +85°CLead Free
MAX5841LEUB-TNo Longer AvailableMAX5841LEUB+TuMAX;10 pin-40°C to +85°CSee data sheet
MAX5841MEUBActiveµMAX,;10 pin;15.4 mm²-40°C to +85°CNo
MAX5841MEUB+ActiveµMAX,;10 pin;15.4 mm²-40°C to +85°CLead Free
MAX5841MEUB+TActiveµMAX,;10 pin;15.4 mm²-40°C to +85°CLead Free
MAX5841MEUB-TNo Longer AvailableMAX5841MEUB+TµMAX,;10 pin;15.4 mm²-40°C to +85°CNo
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