DS4424N+ Maxim Integrated Products, DS4424N+ Datasheet
DS4424N+
Manufacturer Part Number
DS4424N+
Description
TDFN/E/TWO-/FOUR-CHANNEL I?C 7-BIT SINK/SOURCE CURRENT DAC
Manufacturer
Maxim Integrated Products
Datasheet
1.DS4424N.pdf
(10 pages)
Specifications of DS4424N+
Pack_quantity
1
Comm_code
85423990
Lead_time
49
The DS4422 and DS4424 contain two or four I
grammable 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
outputs power up in a high-impedance state.
Rev 0; 3/08
+ Denotes a lead-free package.
T&R = Tape and reel.
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.
DS4422N+
DS4422N+T&R
DS4424N+
DS4424N+T&R
PART
Power-Supply Adjustment
Power-Supply Margining
Adjustable Current Sink or Source
R
PU
Two-/Four-Channel, I
OUTPUTS
_______________________________________________________________ Maxim Integrated Products
R
PU
2
2
4
4
Ordering Information
General Description
SDA
SCL
A1
A0
GND
2
C interface. The current DAC
R
FS0
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
FS0
DS4422/
DS4424
V
CC
Applications
FS1
R
OUT0
OUT1
FS1
PIN-
PACKAGE
14 TDFN
14 TDFN
14 TDFN
14 TDFN
2
C pro-
CONVERTER
DC-DC
V
CC
♦ Two (DS4422) or Four (DS4424) Current DACs
♦ Full-Scale Current 50µA to 200µA
♦ Full-Scale Range for Each DAC Determined by
♦ 127 Settings Each for Sink and Source Modes
♦ I
♦ Two Address Pins Allow Four Devices on Same
♦ 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 Configuration appears at end of data sheet.
External Resistors
I
2
2
C-Compatible Serial Interface
C Bus
2
OUT
FB
C, 7-Bit Sink/Source
V
OUT0
R
R
0A
0B
Typical Operating Circuit
CONVERTER
Current DAC
DC-DC
OUT
FB
V
OUT1
R
R
Features
1A
1B
1
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