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MAX541

更新时间: 2024-09-15 22:55:19
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美信 - MAXIM /
页数 文件大小 规格书
12页 239K
描述
+5V, Serial-Input, Voltage-Output, 16-Bit DACs

MAX541 数据手册

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19-1082; Rev 2; 12/99  
+5V, Serial-Input, Voltage-Output, 16-Bit DACs  
General Description  
Features  
The MAX541/MAX542 are serial-input, voltage-output,  
16-bit digital-to-analog converters (DACs) that operate  
from a single +5V supply. They provide 16-bit perfor-  
mance ( 1ꢀLS ꢁIꢀ and DIꢀ) over temperature ꢂithout  
any adjustments. The DAC output is unbuffered, result-  
ing in a loꢂ supply current of 0.3mA and a loꢂ offset  
error of 1ꢀLS.  
Full 16-Bit Performance Without Adjustments  
+5V Single-Supply Operation  
Low Power: 1.5mW  
1µs Settling Time  
Unbuffered Voltage Output Directly Drives 60k  
Loads  
The DAC output range is 0V to V  
. For bipolar opera-  
REF  
SPI/QSPI/MICROWIRE-Compatible Serial Interface  
tion, matched scaling resistors are provided in the  
MAX542 for use ꢂith an external precision op amp  
(such as the MAX400), generating a  
Power-On Reset Circuit Clears DAC Output to 0V  
V
output  
REF  
(unipolar mode)  
sꢂing. The MAX542 also includes Kelvin-sense con-  
nections for the reference and analog ground pins to  
reduce layout sensitivity.  
Schmitt Trigger Inputs for Direct Optocoupler  
Interface  
A 16-bit serial ꢂord is used to load data into the DAC  
latch. The 10MHz, 3-ꢂire serial interface is compatible  
ꢂith LPꢁ™/QLPꢁ™/MꢁCROWꢁRE™, and it also interfaces  
directly ꢂith optocouplers for applications requiring isola-  
tion. A poꢂer-on reset circuit clears the DAC output to 0V  
(unipolar mode) ꢂhen poꢂer is initially applied.  
Ordering Information  
INL  
(LSB)  
PART  
TEMP. RANGE  
PIN-PACKAGE  
MAX541ACPA  
MAX541SCPA  
MAX541CCPA  
MAX541ACLA  
MAX541SCLA  
MAX541CCLA  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
0°C to +70°C  
8 Plastic DꢁP  
8 Plastic DꢁP  
8 Plastic DꢁP  
8 LO  
1
2
4
1
2
4
The MAX541 is available in 8-pin plastic DꢁP and LO  
packages. The MAX542 is available in 14-pin plastic  
DꢁP and LO packages.  
8 LO  
Applications  
High-Resolution Offset and Gain Adjustment  
ꢁndustrial Process Control  
8 LO  
Ordering Information continued at end of data sheet.  
Automated Test Equipment  
Functional Diagrams  
Data-Acquisition Lystems  
V
DD  
General Description  
RFB  
INV  
TOP VIEW  
MAX542  
R
FB  
R
INV  
REFF  
REFS  
V
14  
RFB  
OUT  
1
2
3
4
5
6
7
DD  
16-BIT DAC  
OUT  
13 INV  
MAX542  
AGNDF  
AGNDS  
AGNDF  
AGNDS  
REFS  
REFF  
12 DGND  
1
2
3
4
8
7
6
5
V
DD  
OUT  
AGND  
REF  
16-BIT DATA LATCH  
CS  
LDAC  
SCLK  
DIN  
11  
10  
9
LDAC  
DIN  
DGND  
DIN  
CONTROL  
LOGIC  
MAX541  
N.C.  
SERIAL INPUT REGISTER  
DGND  
CS  
SCLK  
CS  
8
SCLK  
DIP/SO  
DIP/SO  
Functional Diagrams continued at end of data sheet.  
SPI and QSPI are trademarks of Motorola, Inc.  
MICROWIRE is a trademark of National Semiconductor Corp.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 1-800-835-8769.  

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