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DS4432U+

Description
Dual-Channel, I2C, 7-Bit Sink/Source Current DAC
CategoryAnalog mixed-signal IC    converter   
File Size202KB,9 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

DS4432U+ Overview

Dual-Channel, I2C, 7-Bit Sink/Source Current DAC

DS4432U+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeTSSOP
package instructionTSSOP, TSSOP8,.19
Contacts8
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time6 weeks
Maximum analog output voltage4.75 V
Minimum analog output voltage
Converter typeD/A CONVERTER
Enter bit codeBINARY
Input formatSERIAL
JESD-30 codeS-PDSO-G8
JESD-609 codee3
length3 mm
Maximum linear error (EL)0.7812%
Humidity sensitivity level1
Number of digits7
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3/5 V
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum slew rate0.15 mA
Nominal supply voltage3.3 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3 mm
Base Number Matches1
Rev 0; 12/08
Dual-Channel, I
2
C, 7-Bit Sink/Source
Current DAC
General Description
The DS4432 contains two I
2
C 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
I
2
C 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
I
2
C-Compatible Serial Interface
Low Cost
Small Package (8-Pin µSOP)
-40°C to +85°C Temperature Range
2.7V to 5.5V Operating Range
Features
DS4432
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
V
CC
OUT1
OUT0
FS0
+Denotes
a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
μSOP
Typical Operating Circuit
V
CC
V
OUT0
V
OUT1
4.7kΩ
4.7kΩ
SDA
SCL
DS4432
GND
OUT0
OUT1
R
0B
R
1B
V
CC
DC-DC
CONVERTER
FB
OUT
R
0A
DC-DC
CONVERTER
FB
OUT
R
1A
FS0
R
FS0
FS1
R
FS1
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

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