DS4432
DS4432 is Sink/Source Current DAC manufactured by Maxim Integrated.
Rev 0; 12/08
..
Dual-Channel, I2C, 7-Bit Sink/Source Current DAC
General Description
The DS4432 contains two 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.
- Two 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-patible Serial Interface
- Low Cost
- Small Package (8-Pin µSOP)
- -40°C to +85°C Temperature Range
- 2.7V to 5.5V Operating Range
Features
Applications
Power-Supply Adjustment Power-Supply Margining Adjustable Current Sink or Source
Pin Configuration
PART
Ordering Information
TEMP RANGE -40°C to +85°C -40°C to +85°C PIN-PACKAGE 8 μSOP 8 μSOP DS4432U+ DS4432U+T&R
TOP VIEW
SDA SCL FS1 GND 1 2 3 4 DS4432
+
8 7 6 5
VCC OUT1 OUT0 FS0
+Denotes a lead(Pb)-free/Ro HS-pliant package. T&R = Tape and reel.
μSOP
Typical Operating Circuit
VCC VOUT0 VOUT1 4.7kΩ 4.7kΩ SDA SCL DS4432 GND OUT0 OUT1 R0B R1B VCC DC-DC CONVERTER FB OUT R0A DC-DC CONVERTER FB OUT...
