參數(shù)資料
型號(hào)： AD5722AREZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 1/32頁(yè)
文件大?。?/td> 0K
描述： IC DAC DUAL 12BIT 1LSB 24TSSOP
產(chǎn)品培訓(xùn)模塊： Data Converter Fundamentals
DAC Architectures
設(shè)計(jì)資源： Software Configurable 12-Bit Dual-Channel Unipolar/Bipolar Voltage Output Using AD5722 (CN0094)
標(biāo)準(zhǔn)包裝： 62
設(shè)置時(shí)間： 10µs
位數(shù)： 12
數(shù)據(jù)接口： 串行
轉(zhuǎn)換器數(shù)目： 2
電壓電源： 模擬和數(shù)字，雙 ±
功率耗散（最大）： 190mW
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 24-TSSOP（0.173"，4.40mm）裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 24-TSSOP 裸露焊盤(pán)
包裝： 管件
輸出數(shù)目和類型： 2 電壓，單極；2 電壓，雙極
采樣率（每秒）： *
產(chǎn)品目錄頁(yè)面： 784 (CN2011-ZH PDF)
Complete, Dual, 12-/14-/16-Bit, Serial
Input, Unipolar/Bipolar, Voltage Output
DACs
AD5722/AD5732/AD5752
Rev. D
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2008–2011 Analog Devices, Inc. All rights reserved.
FEATURES
Complete, dual, 12-/14-/16-bit digital-to-analog converter (DAC)
Operates from single/dual supplies
Software programmable output range
+5 V, +10 V, +10.8 V, ±5 V, ±10 V, ±10.8 V
INL error: ±16 LSB maximum, DNL error: ±1 LSB maximum
Total unadjusted error (TUE): 0.1% FSR maximum
Settling time: 10 μs typical
Integrated reference buffers
Output control during power-up/brownout
Simultaneous updating via LDAC
Asynchronous CLR to zero scale or midscale
DSP-/microcontroller-compatible serial interface
24-lead TSSOP
Operating temperature range: 40°C to +85°C
iCMOS process technology1
APPLICATIONS
Industrial automation
Closed-loop servo control, process control
Automotive test and measurement
Programmable logic controllers
GENERAL DESCRIPTION
The AD5722/AD5732/AD5752 are dual, 12-/14-/16-bit, serial
input, voltage output, digital-to-analog converters. They operate
from single-supply voltages from +4.5 V up to +16.5 V or dual-
supply voltages from ±4.5 V up to ±16.5 V. Nominal full-scale
output range is software-selectable from +5 V, +10 V, +10.8 V,
±5 V, ±10 V, or ±10.8 V. Integrated output amplifiers, reference
buffers, and proprietary power-up/power-down control circuitry
are also provided.
The parts offer guaranteed monotonicity, integral nonlinearity
(INL) of ±16 LSB maximum, low noise, and 10 μs typical
settling time.
The AD5722/AD5732/AD5752 use a serial interface that
operates at clock rates up to 30 MHz and are compatible with
DSP and microcontroller interface standards. Double buffering
allows the simultaneous updating of all DACs. The input coding
is user-selectable twos complement or offset binary for a bipolar
output (depending on the state of Pin BIN/2sComp), and
straight binary for a unipolar output. The asynchronous clear
function clears all DAC registers to a user-selectable zero-scale
or midscale output. The parts are available in a 24-lead TSSOP
and offer guaranteed specifications over the 40°C to +85°C
industrial temperature range.
The AD5722/AD5732/AD5752 are pin compatible with the
AD5724/AD5734/AD5754, which are complete, quad, 12-/14-/
16-bit, serial input, unipolar/bipolar voltage output DACs.
FUNCTIONAL BLOCK DIAGRAM
DAC B
INPUT
REGISTER A
INPUT
REGISTER B
DAC A
LDAC
REFIN
VOUTB
VOUTA
REFERENCE
BUFFERS
SDIN
SCLK
SYNC
SDO
DVCC
GND
DAC_GND (2)
SIG_GND (2)
AD5722/AD5732/AD5752
INPUT SHIFT
REGISTER
AND
CONTROL
LOGIC
AVDD
AVSS
DAC
REGISTER A
DAC
REGISTER B
CLR
BIN/2sCOMP
06
46
7-
0
01
12/14/16
Figure 1.
1 For analog systems designers within industrial/instrumentation equipment OEMs who need high performance ICs at higher voltage levels, iCMOS is a technology
platform that enables the development of analog ICs capable of 30 V and operating at ±15 V supplies while allowing dramatic reductions in power consumption and
package size, as well as increased ac and dc performance.
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