MAX5544 Maxim, MAX5544 Datasheet
MAX5544
Manufacturer Part Number
MAX5544
Description
Low-Cost / +5V / Serial-Input / Voltage-Output / 14-Bit DAC
Manufacturer
Maxim
Datasheet
1.MAX5544.pdf
(8 pages)
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MAX5544CSA
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MAXIM/美信
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Part Number:
MAX5544CSA+
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The MAX5544 serial-input, voltage-output, 14-bit
monotonic digital-to-analog converter (DAC) operates
from a single +5V supply. The DAC output is
unbuffered, resulting in low 0.3mA supply current and
low 1LSB offset error. The DAC output range is 0V to
V
power-on reset circuit clears the DAC output to 0V
(unipolar mode) when power is initially applied.
The 10MHz 3-wire serial interface is SPI™/QSPI™/
MICROWIRE™ compatible and interfaces directly with
optocouplers for applications requiring isolation. The
MAX5544 is available in an 8-pin SO package.
19-1571; Rev 0; 12/99
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
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.
REF
TOP VIEW
. The DAC latch accepts a 16-bit serial word. A
High-Resolution Offset and Gain Adjustment
Industrial Process Control
Automated Test Equipment
Data Acquisition Systems
AGND
OUT
REF
CS
________________________________________________________________ Maxim Integrated Products
1
2
3
4
General Description
MAX5544
SO
Pin Configuration
Applications
8
7
6
5
V
DGND
DIN
SCLK
DD
Low-Cost, +5V, Serial-Input,
Voltage-Output, 14-Bit DAC
o Full 14-Bit Performance Without Adjustments
o +5V Single-Supply Operation
o Low Power: 1.5mW
o 1µs Settling Time
o Unbuffered Voltage Output Directly Drives 60kΩ
o SPI/QSPI/MICROWIRE-Compatible Serial Interface
o Power-On Reset Circuit Clears DAC Output to 0V
o Schmitt Trigger Inputs for Direct Optocoupler
MAX5544CSA
MAX5544ESA
Loads
(unipolar mode)
Interface
SCLK
REF
DIN
CS
PART
MAX5544
CONTROL
LOGIC
-40°C to +85°C
TEMP. RANGE
0°C to +70°C
Ordering Information
Functional Diagram
SERIAL INPUT REGISTER
DGND
V
16-BIT DATA LATCH
DD
14-BIT DAC
PIN-PACKAGE
8 SO
8 SO
Features
OUT
AGND
1
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