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DS4432
Dual-Channel, I2C, 7-Bit Sink/Source
Current DAC
________________________________________________________________
Maxim Integrated Products
1
Rev 0; 12/08
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 DS4432 contains two I2C programmable current
DACs that are each capable of sinking and sourcing
current up to 200A. 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.
Applications
Power-Supply Adjustment
Power-Supply Margining
Adjustable Current Sink or Source
Features
Two Current DACs
Full-Scale Current 50A to 200A
Full-Scale Range for Each DAC Determined by
External Resistors
127 Settings Each for Sink and Source Modes
I2C-Compatible Serial Interface
Low Cost
Small Package (8-Pin SOP)
-40°C to +85°C Temperature Range
2.7V to 5.5V Operating Range
DC-DC
CONVERTER
FB
OUT
SDA
SCL
OUT0
OUT1
GND
RFS0
RFS1
4.7k
Ω
4.7k
Ω
VCC
VOUT0
FS0
FS1
R0B
R0A
DC-DC
CONVERTER
FB
OUT
VOUT1
R1B
R1A
DS4432
Typical Operating Circuit
Ordering Information
+
Denotes a lead(Pb)-free/RoHS-compliant package.
T&R = Tape and reel.
PART
TEMP RANGE
PIN-PACKAGE
DS4432U+
-40°C to +85°C
8 μSOP
DS4432U+T&R
-40°C to +85°C
8 μSOP
TOP VIEW
+
DS4432
μSOP
2
7
OUT1
SCL
18
VCC
SDA
OUT0
FS1
3
6
FS0
GND
4
5
Pin Configuration
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相关代理商/技术参数
DS4432U+T&R 制造商:Maxim Integrated Products 功能描述:DUAL-CHANNEL, I?C ADJUSTABLE SINK/SOURCE CURRENT DAC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:MXMDS4432U+T&R DUAL-CHANNEL, I?°?C ADJUSTA 制造商:Maxim Integrated Products 功能描述:IC DAC 7BIT 2CH 5.5V 8-MSOP
DS4432U+T&R 功能描述:数模转换器- DAC 2Ch I2C Adj Sink-Source 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
DS4432U+TR 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Dual-Channel, I2C, 7-Bit Sink/Source Current DAC
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DS-4-4N 制造商:MA-COM 制造商全称:M/A-COM Technology Solutions, Inc. 功能描述:Broadband Four-Way Power Divider 2 - 2000 MHz
DS-4-4-N 制造商:M/A-COM Technology Solutions 功能描述:N-WAY DIVIDER / COMBINER
DS-4-4SMA 制造商:MA-COM 制造商全称:M/A-COM Technology Solutions, Inc. 功能描述:Broadband Four -Way Power Divider, 2 - 2000 MHz