DS4404：Two/Four-Channel, I²C Adjustable Current DAC _ BDTIC a Leading Distributor in China

DS4404：Two/Four-Channel, I²C Adjustable Current DAC

Two and Four I²C Adjustable Current Sources Capable of Sinking or Sourcing Current

The DS4402 and DS4404 contain two and four I²C adjustable current DACs, respectively, that are each capable of sinking or sourcing current. Each output has 31 sink and 31 source settings that are programmed by the I²C interface. External resistors set the full-scale range and step size of each output.

Key Features

Two (DS4402) or Four (DS4404) Current DACs
Full-Scale Range for Each DAC Determined by External Resistors
31 Settings Each for Sink and Source Modes
I²C-Compatible Serial Interface
Two Three-Level Address Pins Allow Nine Devices on Same I²C Bus
Small Package (14-Pin TDFN)
-40°C to +85°C Temperature Range
2.7V to 5.5V Operation

DS4402, DS4404: Typical Operating Circuit

Applications/Uses

Adjustable Current Sink or Source
Power-Supply Adjustment
Power-Supply Margining

DataSheet

title	Download file
DS4402-DS4404 Data Sheet	DS4402-DS4404.pdf

Parametrics

Part Number	Resolution (bits)	Channels	Output Type	Reference	INL (±LSB)	Interface	Supply Range (V)	Supply Range (V)	I_CC (mA)	Package/Pins	Oper. Temp. (°C)	Budgetary Price
Part Number	Resolution (bits)	Channels	Output Type	Reference	max	Interface	min	max	max	Package/Pins	Oper. Temp. (°C)	See Notes
DS4402	5	2	Current- Buffered	Ext.	1	Serial - I2C	2.7	5.5	0.5	TDFN-EP/14	-40 to +85	$0.67 @1k
DS4404	5	4	Current- Buffered	Ext.	1	Serial - I2C	2.7	5.5	0.5	TDFN-EP/14	-40 to +85	$0.84 @1k