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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.
General Description
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.
Applications
Power-Supply Adjustment
Power-Supply Margining
Adjustable Current Sink or Source
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
Two/Four-Channel, I2C Adjustable Current DAC
DC/DC
CONVERTER
FB
OUT
SDA
SCL
A0
A1
OUT0
OUT1
GND
RFS0
RFS1
4.7k
Ω
4.7k
Ω
VCC
VOUT0
FS0
FS1
R0B
R0A
DS4402
DC/DC
CONVERTER
FB
OUT
VOUT1
R1B
R1A
Typical Operating Circuit
Ordering Information
19-4641; Rev 3; 5/09
+
Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
*
EP = Exposed pad.
PART
TEMP RANGE
PIN-PACKAGE
DS4402N+
-40°C to +85°C
14 TDFN-EP*
DS4402N+T&R
-40°C to +85°C
14 TDFN-EP*
DS4404N+
-40°C to +85°C
14 TDFN-EP*
DS4404N+T&R
-40°C to +85°C
14 TDFN-EP*
TDFN
TOP VIEW
2
4
5
13
11
10
VCC
A1
OUT1
SCL
FS3 (N.C.)
FS2 (N.C.)
*EXPOSED PAD
( ) INDICATES FOR DS4402 ONLY.
1
+
14
OUT3 (N.C.)
OUT2 (N.C.)
SDA
3
12
GND
6
9
A0
FS1
7
8
OUT0
FS0
DS4404/
DS4402
*EP
(3mm
× 3mm × 0.8mm)
Pin Configuration
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相关代理商/技术参数
DS4404N+T&R 制造商:Maxim Integrated Products 功能描述:DAC 4-CH CURRENT STEERING 5-BIT 14TDFN EP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:I2C ADJUSTABLE CURRENT DAC 制造商:Maxim Integrated Products 功能描述:IC DAC 4CH I2C ADJ 14-TDFN
DS4404N+T&R 功能描述:数模转换器- DAC 4 Ch Adjustable RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube
DS4404N+TR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Two/Four-Channel, I2C Adjustable Current DAC
DS4404NR 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Two/Four-Channel, I2C Adjustable Current DAC
DS4404NT 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Two/Four-Channel, I2C Adjustable Current DAC
DS4405MP00K 制造商:Thomas & Betts 功能描述:400A,PLG,3P4W,MG,3P440V,CC
DS4407MP000 制造商:Thomas & Betts 功能描述:400A,PLG,3P4W,MG,407,3P250V
DS4407MP00K 制造商:Thomas & Betts 功能描述:400A,PLG,3P4W,MG,00K,3P250V