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MAX5444

更新时间： 2024-11-12 14:57:43
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
12页 244K
描述
+3V/+5V、串行输入、电压输出、16位DAC

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MAX5444 数据手册

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19-1846; Rev 3; 1/09  
+3V/+5V, Serial-Input,  
Voltage-Output, 16-Bit DACs  
1–MAX54  
General Description  
Features  
o Ultra-Small 3mm x 5mm 8-Pin µMAX Package  
o Low 120µA Supply Current  
o Fast 1µs Settling Time  
The MAX5441–MAX5444 are serial-input, voltage-out-  
put, 16-bit digital-to-analog converters (DACs) in tiny  
®
µMAX packages, 50% smaller than comparable DACs  
in 8-pin SOs. They operate from low +3V (MAX5443/  
MAX5444) or +5V (MAX5441/MAX5442) single sup-  
plies. They provide 16-bit performance ( 2ꢀSꢁ ꢂIꢀ and  
1ꢀSꢁ DIꢀ) over temperature without any adꢃustments.  
Unbuffered DAC outputs result in a low supply current  
of 120µA and a low offset error of 2ꢀSꢁ.  
o 25MHz SPI/QSPI/MICROWIRE-Compatible Serial  
Interface  
o V  
Range Extends to V  
DD  
REF  
o +5V (MAX5441/MAX5442) or +3V  
(MAX5443/MAX5444) Single-Supply Operation  
The DAC output ranges from 0 to V  
. For bipolar  
REF  
o Full 16-Bit Performance Without Adjustments  
operation, matched scaling resistors are provided in  
the MAX5442/MAX5444 for use with an external preci-  
sion op amp (such as the MAX400), generating a  
o Unbuffered Voltage Output Directly Drives  
60kΩ Loads  
o Power-On Reset Circuit Clears DAC Output to  
Code 0 (MAX5441/MAX5443) or Code 32768  
(MAX5442/MAX5444)  
V
REF  
output swing.  
A 16-bit serial word is used to load data into the DAC  
latch. The 25MHz, 3-wire serial interface is compatible  
with SPꢂ/QSPꢂ™/MꢂCROWꢂRE, and can interface directly  
with optocouplers for applications requiring isolation. A  
power-on reset circuit clears the DAC output to code 0  
(MAX5441/MAX5443) or code 32768 (MAX5442  
/MAX5444) when power is initially applied.  
o Schmitt-Trigger Inputs for Direct Optocoupler  
Interface  
o Asynchronous CLR  
Pin Configurations  
A logic low on CLR asynchronously clears the DAC out-  
put to code 0 (MAX5441/MAX5443) or code 32768  
(MAX5442/MAX5444) independent of the serial interface.  
TOP VIEW  
+
+
The MAX5441/MAX5443 are available in 8-pin µMAX  
packages. The MAX5442/MAX5444 are available in 10-  
pin µMAX packages.  
GND  
REF  
CS  
1
2
3
4
5
10  
9
GND  
1
2
3
4
8
7
6
5
REF  
CS  
V
DD  
V
DD  
MAX5441  
MAX5443  
MAX5442  
MAX5444  
SCLK  
DIN  
8
RFB  
INV  
OUT  
CLR  
Applications  
High-Resolution Offset and Gain Adꢃustment  
ꢂndustrial Process Control  
SCLK  
DIN  
7
CLR  
OUT  
6
µMAX-8  
µMAX-10  
Automated Test Equipment  
Data-Acquisition Systems  
Functional Diagrams appear at end of data sheet.  
Ordering Information  
PART  
TEMP RANGE  
0°C to +70°C  
-40°C to +85°C  
0°C to +70°C  
-40°C to +85°C  
0°C to +70°C  
-40°C to +85°C  
0°C to +70°C  
-40°C to +85°C  
PIN-PACKAGE  
8 µMAX  
INL (LSB)  
SUPPLY (V)  
MAX5441ACUA+  
MAX5441AEUA+  
MAX5441ꢁCUA+  
MAX5441ꢁEUA+  
MAX5442ACUꢁ+  
MAX5442AEUꢁ+  
MAX5442ꢁCUꢁ+  
MAX5442ꢁEUꢁ+  
2
2
4
4
2
2
4
4
5
5
5
5
5
5
5
5
8 µMAX  
8 µMAX  
8 µMAX  
10 µMAX  
10 µMAX  
10 µMAX  
10 µMAX  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
Note: For leaded version, contact factory.  
Ordering Information continued at end of data sheet.  
µMAX is a registered trademark of Maxim ꢂntegrated Products, ꢂnc.  
QSPꢂ is a trademark of Motorola, ꢂnc.  
MꢂCROWꢂRE is a registered trademark of Iational Semiconductor Corp.  
________________________________________________________________ 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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