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MAX5174 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX5174
Description  Low-Power, Serial, 12-Bit DACs with Voltage Output
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX5174 Datasheet(HTML) 1 Page - Maxim Integrated Products

 
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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.
General Description
The MAX5174/MAX5176 low-power, serial, voltage-out-
put, 12-bit digital-to-analog converters (DACs) feature a
precision output amplifier in a space-saving 16-pin
QSOP package. The MAX5174 operates from a single
+5V supply, and the MAX5176 operates from a single
+3V supply. Both devices draw only 280µA of supply
current, which reduces to 1µA in shutdown. In addition,
the programmable power-up reset feature allows for a
user-selectable output voltage state of either 0 or mid-
scale.
The 3-wire, digital, serial interface is compatible with
SPI™/QSPI™, and MICROWIRE™ standards. An input
register followed by a DAC register provides a double-
buffered input, allowing the input and DAC registers to
be updated independently or simultaneously with a 16-
bit serial word. Additional features include software and
hardware shutdown, shutdown lockout, a hardware
clear pin, and a reference input capable of accepting
DC and offset AC signals. These devices provide a pro-
grammable digital output pin for added functionality
and a serial-data output pin for daisy-chaining. All logic
inputs are TTL/CMOS compatible and are internally
buffered with Schmitt triggers to allow direct interfacing
to optocouplers.
The MAX5174/MAX5176 incorporate a proprietary on-
chip circuit that keeps the output voltage virtually
“glitch free,” limiting the glitches to a few millivolts dur-
ing power-up.
Both devices are available in 16-pin QSOP packages
and are specified for the extended (-40°C to +85°C)
temperature range. The MAX5170/MAX5172 are pin-
compatible 14-bit upgrades to the MAX5174/MAX5176.
For 100% pin-compatible DACs with internal reference,
see the 13-bit MAX5130/MAX5131 and the 12-bit
MAX5120/MAX5121 data sheets.
Applications
Industrial Process Controls
Digital Offset and Gain Adjustment
Motion Control
Automatic Test Equipment (ATE)
Remote Industrial Controls
µP-Controlled Systems
Features
o ±1 LSB INL
o 1µA Shutdown Current
o “Glitch Free” Output Voltage at Power-Up
o Single-Supply Operation
+5V (MAX5174)
+3V (MAX5176)
o Full-Scale Output Range
+2.048V (MAX5176, VREF = +1.25V)
+4.096V (MAX5174, VREF = +2.5V )
o Rail-to-Rail® Output Amplifier
o Adjustable Output Offset
o Low THD (-80dB) in Multiplying Operation
o SPI/QSPI/MICROWIRE-Compatible 3-Wire Serial
Interface
o Programmable Shutdown Mode and Power-Up
Reset
o Buffered Output Capable of Driving 5k
Ω || 100pF
Loads
o User-Programmable Digital Output Pin Allows
Serial Control of External Components
o 14-Bit Upgrades Available (MAX5170/MAX5172)
Low-Power, Serial, 12-Bit DACs
with Voltage Output
________________________________________________________________
Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OS
VDD
N.C.
REF
AGND
PDL
UPO
DOUT
DGND
TOP VIEW
MAX5174
MAX5176
QSOP
OUT
RS
CS
SHDN
CLR
DIN
SCLK
19-1475; Rev 0; 4/99
PART
MAX5174AEEE
MAX5174BEEE
MAX5176AEEE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
16 QSOP
16 QSOP
16 QSOP
Pin Configuration
Ordering Information
MAX5176BEEE
-40°C to +85°C
16 QSOP
INL
(LSB)
±1
±2
±2
±4
Functional Diagram appears at end of data sheet.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.


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