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參數(shù)資料
| 型號： | MAX5721EUA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | DAC |
| 英文描述： | 10-Bit, Low-Power, Dual, Voltage-Output DAC with Serial Interface |
| 中文描述： | SERIAL INPUT LOADING, 4 us SETTLING TIME, 10-BIT DAC, PDSO8 |
| 封裝： | MO-187C-AA, MICRO MAX PACKAGE-8 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 643K |
| 代理商： | MAX5721EUA |
General Description
The MAX5721 dual 10-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 accommodate low-power and
low-voltage applications. DAC outputs employ on-chip
precision output amplifiers that swing Rail-to-Rail
. The
MAX5721’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 saves board space
and reduces the complexity of opto- and transformer-
isolated applications. The MAX5721 on-chip power-on
reset (POR) circuit resets the DAC outputs to zero and
loads the output with a 100k
resistor to ground. This
provides additional safety for applications that drive
valves or other transducers that need to be off on
power-up. The MAX5721’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
MAX5721 is specified over the -40°C to +125°C auto-
motive temperature 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
Tiny 8-Pin μMAX Package
o
0.3μA Power-Down Current
o
Guaranteed 10-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
Interface to Optocouplers
o
Wide -40
°
C to +125
°
C Operating Temperature
Range
M
10-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
CS
V
DD
μ
MAX
TOP VIEW
3
4
6
5
MAX5721
Pin Configuration
19-2125; 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
MAX5721EUA
MAX5721AUA
Functional Diagram appears at end of data sheet.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5721EUA+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5721EUA+T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 10-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5721EUA-T | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5722AUA | 功能描述:數(shù)模轉(zhuǎn)換器- DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5722AUA+ | 功能描述:數(shù)模轉(zhuǎn)換器- DAC 12-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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