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參數(shù)資料
| 型號： | AD5444YRMZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/29頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT MULTIPLYING 10-MSOP |
| 產(chǎn)品培訓模塊： | Data Converter Fundamentals DAC Architectures |
| 標準包裝： | 1,000 |
| 設置時間： | 16ns |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 50.5µW |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
| 輸出數(shù)目和類型： | 2 電流，單極；2 電流，雙極 |
| 采樣率（每秒）： | 2.7M |
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12-/14-Bit High Bandwidth
Multiplying DACs with Serial Interface
Data Sheet
Rev. E
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
2004–2013 Analog Devices, Inc. All rights reserved.
FEATURES
12 MHz multiplying bandwidth
INL of ± 0.5 LSB at 12 bits
Pin-compatible 12-/14-bit current output DAC
2.5 V to 5.5 V supply operation
10-lead MSOP package
±10 V reference input
50 MHz serial interface
2.7 MSPS update rate
Extended temperature range: 40°C to +125°C
4-quadrant multiplication
Power-on reset with brownout detection
0.4 A typical current consumption
Guaranteed monotonic
APPLICATIONS
Portable, battery-powered applications
Waveform generators
Analog processing
Instrumentation applications
Programmable amplifiers and attenuators
Digitally controlled calibration
Programmable filters and oscillators
Composite video
Ultrasound
Gain, offset, and voltage trimming
Automotive radar
GENERAL DESCRIPTION
The AD5444/AD54461 are CMOS 12-bit and 14-bit, current
output, digital-to-analog converters (DACs). Operating from a
single 2.5 V to 5.5 V power supply, these devices are suited for
battery-powered and other applications.
As a result of the CMOS submicron manufacturing process,
these parts offer excellent 4-quadrant multiplication char-
acteristics of up to 12 MHz.
These DACs use a double-buffered, 3-wire serial interface that
is compatible with SPI, QSPI, MICROWIRE, and most DSP
interface standards. On power-up, the internal shift register and
latches are filled with 0s, and the DAC output is at zero scale.
The applied external reference input voltage (VREF) determines
the full-scale output current. These parts can handle ±10 V
inputs on the reference, despite operating from a single-supply
power supply of 2.5 V to 5.5 V. An integrated feedback resistor
(RFB) provides temperature tracking and full-scale voltage output
when combined with an external current-to-voltage precision
amplifier. The AD5444/AD5446 DACs are available in small
10-lead MSOP packages, which are pin-compatible with the
The EV-AD5443/46/53SDZ board is available for evaluating
DAC performance. For more information, see the UG-327
evaluation board user guide.
1
US Patent Number 5,689,257.
FUNCTIONAL BLOCK DIAGRAM
04588-
001
POWER-ON
RESET
GND
VREF
RFB
IOUT1
IOUT2
R
SDO
CONTROL LOGIC AND
INPUT SHIFT REGISTER
DAC REGISTER
12-BIT
R-2R DAC
INPUT LATCH
SCLK
SDIN
SYNC
VDD
AD5444/
AD5446
Figure 1.
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