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| 型號： | AD5725BRSZ-REEL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT QUAD PAR 28-SSOP |
| 產品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1,500 |
| 設置時間： | 7µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉換器數(shù)目： | 4 |
| 電壓電源： | 雙 ± |
| 功率耗散（最大）： | 270mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 28-SSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 4 電壓，單極；4 電壓，雙極 |
| 采樣率（每秒）： | * |
Quad, 12-Bit, Parallel Input,
Unipolar/Bipolar, Voltage Output DAC
Data Sheet
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother
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
2007–2013 Analog Devices, Inc. All rights reserved.
FEATURES
+5 V to ±15 V operation
Unipolar or bipolar operation
±0.5 LSB max INL error, ±1 LSB max DNL error
Settling time: 10 s max (10 V step)
Double-buffered inputs
Simultaneous updating via LDAC
Asynchronous CLR to zero/mid scale
Readback
Operating temperature range: 40°C to +85°C
iCMOS
process technology
APPLICATIONS
Industrial automation
Closed-loop servo control, process control
Automotive test and measurement
Programmable logic controllers
FUNCTIONAL BLOCK DIAGRAM
DAC C
DAC D
DAC B
DAC A
DGND
AD5725
12
VOUTA
12
VOUTB
12
VOUTC
12
VOUTD
12
I/O
REGISTER
AND
CONTROL
LOGIC
VREFP
AVDD
AVSS
VL
A0
A1
R/W
CS
DB0
TO
DB11
VREFN
LDAC
CLR
INPUT
REG A
INPUT
REG B
INPUT
REG C
INPUT
REG D
DAC
REG A
DAC
REG B
DAC
REG C
DAC
REG D
06442-
001
Figure 1.
GENERAL DESCRIPTION
The AD5725 is a quad, 12-bit, parallel input, voltage output
digital-to-analog converter that offers guaranteed monotonicity,
integral nonlinearity (INL) of ±0.5 LSB maximum and 10 s
maximum settling time.
Output voltage swing is set by two reference inputs, VREFP and
VREFN. By setting the VREFN input to 0 V and the VREFP to a
positive voltage, the DAC provides a unipolar positive output
range. A similar configuration with VREFP at 0 V and VREFN at a
negative voltage provides a unipolar negative output range.
Bipolar outputs are configured by connecting both VREFP and
VREFN to nonzero voltages. This method of setting output voltage
ranges has advantages over the bipolar offsetting methods
because it is not dependent on internal and external resistors
with different temperature coefficients.
Digital controls allow the user to load or read back data from
any DAC, load any DAC, and transfer data to all DACs at
one time.
The AD5725 is available in a 28-lead SSOP package. It can be
operated from a wide variety of supply and reference voltages,
with supplies ranging from single +5 V to ±15 V, and references
from +2.5 V to ±10 V. Power dissipation is less than 270 mW
with ±15 V supplies and only 40 mW with a +5 V supply.
Operation is specified over the temperature range of 40°C
to +85°C.
iCMOS Process Technology
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, and increased ac and dc performance.
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