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參數資料
| 型號： | AD7837 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Complete, Dual 12-Bit MDACs(完備的雙12位乘法D/A轉換器) |
| 中文描述： | 完備的雙12位醫(yī)療儀器行政管理制度（完備的雙12位乘法的D / A轉換器） |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 280K |
| 代理商： | AD7837 |
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
LC
2
MOS
Complete, Dual 12-Bit MDACs
AD7837/AD7847
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FUNCT IONAL BLOCK DIAGRAMS
GE NE RAL DE SCRIPT ION
T he AD7837/AD7847 is a complete, dual, 12-bit multiplying
digital-to-analog converter with output amplifiers on a mono-
lithic CMOS chip. No external user trims are required to
achieve full specified performance.
Both parts are microprocessor compatible, with high speed data
latches and interface logic. T he AD7847 accepts 12-bit parallel
data which is loaded into the respective DAC latch using the
WR
input and a separate Chip Select input for each DAC. T he
AD7837 has a double-buffered 8-bit bus interface structure
with data loaded to the respective input latch in two write op-
erations. An asynchronous
LDAC
signal on the AD7837 up-
dates the DAC latches and analog outputs.
T he output amplifiers are capable of developing
±
10 V across a
2 k
load. T hey are internally compensated with low input off-
set voltage due to laser trimming at wafer level.
T he amplifier feedback resistors are internally connected to
V
OUT
on the AD7847.
T he AD7837/AD7847 is fabricated in Linear Compatible CMOS
(LC
2
MOS), an advanced, mixed technology process that com-
bines precision bipolar circuits with low power CMOS logic.
A novel low leakage configuration (U.S. Patent No. 4,590,456)
ensures low offset errors over the specified temperature range.
PRODUCT HIGHLIGHT S
1. T he AD7837/AD7847 is a dual, 12-bit, voltage-out MDAC
on a single chip. T his single chip design offers considerable
space saving and increased reliability over multichip designs.
2. T he AD7837 and the AD7847 provide a fast versatile inter-
face to 8-bit or 16-bit data bus structures.
FEATURES
Two 12-Bit MDACs with Output Amplifiers
4-Quadrant Multiplication
Space-Saving 0.3", 24-Pin DIP and 24-Terminal
SOIC Package
Parallel Loading Structure: AD7847
(8 + 4) Loading Structure: AD7837
APPLICATIONS
Automatic Test Equipment
Function Generation
Waveform Reconstruction
Programmable Power Supplies
Synchro Applications
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD7837AN | 功能描述:IC DAC 12BIT MULT DUAL 24-DIP RoHS:否 類別:集成電路 (IC) >> 數據采集 - 數模轉換器 系列:- 產品培訓模塊:Data Converter Fundamentals DAC Architectures 標準包裝:750 系列:- 設置時間:7µs 位數:16 數據接口:并聯(lián) 轉換器數目:1 電壓電源:雙 ± 功率耗散（最大）:100mW 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-LCC（J 形引線） 供應商設備封裝:28-PLCC（11.51x11.51） 包裝:帶卷 (TR) 輸出數目和類型:1 電壓，單極；1 電壓，雙極 采樣率（每秒）:143k |
| AD7837AN/883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837AN883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837AN-883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
| AD7837ANN | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Complete, Dual 12-Bit MDACs |
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