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DS4422 - 7-Bit Sink/Source Current DAC

General Description

The DS4422 and DS4424 contain two or four I2C programmable current DACs that are each capable of sinking and sourcing current up to 200μA.

Each DAC output has 127 sink and 127 source settings that are programmed using the I2C interface.

The current DAC outputs power up in a high-impedance state.

Key Features

  • Two (DS4422) or Four (DS4424) Current DACs.
  • Full-Scale Current 50μA to 200μA.
  • Full-Scale Range for Each DAC Determined by External Resistors.
  • 127 Settings Each for Sink and Source Modes.
  • I2C-Compatible Serial Interface.
  • Two Address Pins Allow Four Devices on Same I2C Bus.
  • Low Cost.
  • Small Package (14-Pin, 3mm x 3mm TDFN).
  • -40°C to +85°C Temperature Range.
  • 2.7V to 5.5V Operating Range Pin Configura.

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Other Datasheets by Maxim Integrated (Analog Devices)

Part Number Description
DS4420 I2C Programmable Gain Amplifier
DS4424 7-Bit Sink/Source Current DAC
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DS4426 I2C-Margining IDACs
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DS4422/DS4424 Two-/Four-Channel, I2C, 7-Bit Sink/Source Current DAC General Description The DS4422 and DS4424 contain two or four I2C programmable current DACs that are each capable of sinking and sourcing current up to 200μA. Each DAC output has 127 sink and 127 source settings that are programmed using the I2C interface. The current DAC outputs power up in a high-impedance state. Applications ●● Power-Supply Adjustment ●● Power-Supply Margining ●● Adjustable Current Sink or Source Ordering Information PART OUTPUTS TEMP RANGE PINPACKAGE DS4422N+ 2 -40°C to +85°C 14 TDFN-EP DS4422N+T&R 2 -40°C to +85°C 14 TDFN-EP DS4424N+ 4 -40°C to +85°C 14 TDFN-EP DS4424N+T&R 4 -40°C to +85°C 14 TDFN-EP +Denotes a lead(Pb)-free/RoHS-compliant package. T&R = Tape and reel.