參數(shù)資料
型號(hào)： MAX5722EUA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： DAC
英文描述： 12-Bit, Low-Power, Dual, Voltage-Output DAC with Serial Interface
中文描述： SERIAL INPUT LOADING, 4 us SETTLING TIME, 12-BIT DAC, PDSO8
封裝： 5 X 3 MM, MO-187CAA, MICRO, SOP-8
文件頁(yè)數(shù)： 1/14頁(yè)
文件大?。?/td> 686K
代理商： MAX5722EUA
General Description
The MAX5722 dual,12-bit, low-power, buffered voltage-
output, digital-to-analog converter (DAC) is packaged
in a space-saving 8-pin μMAX package (5mm
3mm).
The wide supply voltage range of +2.7V to +5.5V and
112μA supply current accommodates low-power and
low-voltage applications. DAC outputs employ on-chip
precision output amplifiers that swing Rail-to-Rail
. The
MAX5722’s reference input accepts a voltage range
from 0 to V
DD
. In power-down, the reference input is
high impedance, further reducing the system’s total
power consumption.
The 20MHz, 3-wire SPI, QSPI, MICROWIRE, and
DSP-compatible serial interface save board space and
reduce the complexity of opto- and transformer-isolated
applications. The MAX5722 on-chip power-on reset
(POR) circuit resets the DAC outputs to zero and loads
the output with a 100k
resistor to ground. This pro-
vides additional safety for applications that drive valves
or other transducers that need to be off on power-up.
The MAX5722’s software-controlled power-down
reduces supply current to less than 0.3μA and provides
software-selectable output loads (1k
, 100k
, or high
impedance) while in power-down. The MAX5722 is
specified over the -40°C to +125°C automotive temper-
ature range.
Applications
Automatic Tuning
Gain and Offset Adjustment
Power Amplifier Control
Process Control I/O Boards
Battery-Powered Instruments
VCO Control
Features
o
Ultra-Low Power Consumption
112μA at V
DD
= +3.6V
135μA at V
DD
= +5.5V
o
Wide +2.7V to +5.5V Single-Supply Range
o
8-Pin μMAX Package
o
0.3μA Power-Down Current
o
Guaranteed 12-Bit Monotonicity (±1LSB DNL)
o
Safe Power-Up Reset to Zero Volts at DAC Output
o
Three Software-Selectable Power-Down
Impedances (100k
, 1k
, Hi-Z)
o
Fast 20MHz, 3-Wire SPI, QSPI, and MICROWIRE-
Compatible Serial Interface
o
Rail-to-Rail Output Buffer Amplifiers
o
Schmitt-Triggered Logic Inputs for Direct
Interfacing to Optocouplers
o
Wide -40
°
C to +125
°
C Operating Temperature
Range
M
12-Bit, Low-Power, Dual, Voltage-Output
DAC with Serial Interface
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
REF
DIN
SCLK
1
2
8
7
OUTB
OUTA
GND
V
DD
μ
MAX
TOP VIEW
3
4
6
5
MAX5722
CS
Pin Configuration
19-2124; Rev 2; 7/03
Rail-to-Rail is a registered trademark of Nippon Motorola, Inc.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor, Corp.
Ordering Information
PART
TEMP RANGE
-40
°
C to +85
°
C
-40
°
C to +125
°
C
PIN-PACKAGE
8 μMAX
8 μMAX
MAX5722EUA
MAX5722AUA
Functional Diagram appears at end of data sheet.
相關(guān)PDF資料
PDF描述
MAX5722 12-Bit, Low-Power, Dual, Voltage-Output DAC with Serial Interface
MAX5732CCTN 32-Channel, 16-Bit, Voltage-Output DACs with Serial Interface
MAX5732ACTN 32-Channel, 16-Bit, Voltage-Output DACs with Serial Interface
MAX5732AETN 32-Channel, 16-Bit, Voltage-Output DACs with Serial Interface
MAX5732BCTN 32-Channel, 16-Bit, Voltage-Output DACs with Serial Interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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