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MAX5141 Datasheet

  • MAX5141

  • " +3V/+5V, Serial-Input, Voltage-Output, 14-Bit DACs"

  • Maxim   Maxim

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19-1849; Rev 1; 5/01
+3V/+5V, Serial-Input,
Voltage-Output, 14-Bit DACs
General Description
The MAX5141鈥揗AX5144 are serial-input, voltage-output,
14-bit digital-to-analog converters (DACs) in tiny 碌MAX
packages, 50% smaller than comparable DACs in an
8-pin SO. They operate from low +3V (MAX5143/
MAX5144) or +5V (MAX5141/MAX5142) single supplies.
They provide 14-bit performance (鹵1LSB INL and DNL)
over temperature without any adjustments. The DAC out-
put is unbuffered, resulting in a low supply current of
120碌A(chǔ) and a low offset error of 2LSBs.
The DAC output range is 0V to V
REF.
For bipolar opera-
tion, matched scaling resistors are provided in the
MAX5142/MAX5144 for use with an external precision op
amp (such as the MAX400), generating a 鹵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 SPI鈩?QSPI鈩?MICROWIRE鈩? and can interface
directly with optocouplers for applications requiring isola-
tion. A power-on reset circuit clears the DAC output to
code 0 (MAX5141/MAX5143) or code 8192 (MAX5142/
MAX5144) when power is initially applied.
A logic low on
CLR
asynchronously clears the DAC out-
put to code 0 (MAX5141/MAX5143) or code 8192
(MAX5142/MAX5144), independent of the serial interface.
The MAX5141/MAX5143 are available in 8-pin 碌MAX
packages and the MAX5142/MAX5144 are available in
10-pin 碌MAX packages.
o
Low 120碌A(chǔ) Supply Current
o
Fast 1碌s Settling Time
o
25MHz SPI/QSPI/MICROWIRE-Compatible Serial
Interface
o
V
REF
Range Extends to V
DD
o
+5V (MAX5141/MAX5142) or +3V
(MAX5143/MAX5144) Single-Supply Operation
o
Full 14-Bit Performance Without Adjustments
o
Unbuffered Voltage Output Directly Drives 60k鈩?/div>
Loads
o
Power-On Reset Circuit Clears DAC Output to
Code 0 (MAX5141/MAX5143) or Code 8192
(MAX5142/MAX5144)
o
Schmitt-Trigger Inputs for Direct Optocoupler
Interface
o
Asynchronous
CLR
Features
o
Miniature (3mm x 5mm) 8-Pin 碌MAX Package
MAX5141鈥揗AX5144
Pin Configurations
TOP VIEW
REF
1
8
GND
REF 1
CS 2
SCLK 3
10 GND
9 V
DD
Applications
High-Resolution and Gain Adjustment
Industrial Process Control
Automated Test Equipment
Data-Acquisition Systems
CS
2
SCLK
3
DIN
4
MAX5141
MAX5143
7
V
DD
6
OUT
5
CLR
MAX5142
MAX5144
8 RFB
7 INV
6 OUT
DIN 4
CLR 5
碌MAX
碌MAX
Ordering Information
PART
MAX5141E
UA
MAX5142E
UB
MAX5143E
UA
MAX5144E
UB
TEMP. RANGE
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
-40擄C to +85擄C
PIN-PACKAGE
8 碌MAX
10 碌MAX
8 碌MAX
10 碌MAX
INL (LSB)
鹵1
鹵1
鹵1
鹵1
SUPPLY
RANGE (V)
5
5
3
3
OUTPUT SWING
Unipolar
Bipolar
Unipolar
Bipolar
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

MAX5141 PDF文件相關(guān)型號(hào)

MAX5141EUA,MAX5141-MAX5144,MAX5142,MAX5142EUB,MAX5143,MAX5143EUA,MAX5144

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