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AD781SQ

更新时间： 2024-01-15 06:04:47
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
8页 156K
描述
Complete 700 ns Sample-and-Hold Amplifier

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AD781SQ 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：DIP包装说明：CERAMIC, DIP-8
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.18最长采集时间：0.7 µs
标称采集时间：0.6 µs放大器类型：SAMPLE AND HOLD CIRCUIT
最大模拟输入电压：5 V最小模拟输入电压：-5 V
最大下降率：1 V/sJESD-30 代码：R-GDIP-T8
JESD-609代码：e0负供电电压上限：-15 V
标称负供电电压 (Vsup)：-12 V功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-55 °C封装主体材料：CERAMIC, GLASS-SEALED
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：+-12 V
认证状态：Not Qualified采样并保持/跟踪并保持：SAMPLE
座面最大高度：5.08 mm子类别：Sample and Hold Circuit
最大压摆率：7 mA供电电压上限：15 V
标称供电电压 (Vsup)：12 V表面贴装：NO
技术：BICMOS温度等级：MILITARY
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：7.62 mm
Base Number Matches：1

AD781SQ 数据手册

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Complete 700 ns  
Sample-and-Hold Amplifier  
a
AD781*  
FUNCTIO NAL BLO CK D IAGRAM  
FEATURES  
Acquisition Tim e to 0.01%: 700 ns Maxim um  
Low Pow er Dissipation: 95 m W  
Low Droop Rate: 0.01 ␮V/ ␮s  
Fully Specified and Tested Hold Mode Distortion  
Total Harm onic Distortion: –80 dB Maxim um  
Aperture J itter: 75 ps Maxim um  
Internal Hold Capacitor  
1
2
3
4
8
7
6
5
OUT  
V
CC  
IN  
COMMON  
NC  
S/H  
NC  
X1  
V
Self-Correcting Architecture  
AD781  
EE  
8-Pin Mini Cerdip and Plastic Package  
MIL-STD-883 Com pliant Versions Available  
P RO D UCT D ESCRIP TIO N  
P RO D UCT H IGH LIGH TS  
T he AD781 is a high speed monolithic sample-and-hold  
amplifier (SHA). T he AD781 guarantees a maximum  
acquisition time of 700 ns to 0.01% over temperature. T he  
AD781 is specified and tested for hold mode total harmonic  
distortion and hold mode signal-to-noise and distortion. T he  
AD781 is configured as a unity gain amplifier and uses a  
self-correcting architecture that minimizes hold mode errors and  
insures accuracy over temperature. T he AD781 is self-contained  
and requires no external components or adjustments.  
1. Fast acquisition time (700 ns), low aperture jitter (75 ps) and  
fully specified hold mode distortion make the AD781 an  
ideal SHA for sampling systems.  
2. Low droop (0.01 µV/µs) and internally compensated hold  
mode error results in superior system accuracy.  
3. Low power (95 mW typical), complete functionality and  
small size make the AD781 an ideal choice for a variety of  
high performance, low power applications.  
4. T he AD781 requires no external components or adjustments.  
T he low power dissipation, 8-pin mini-DIP package and  
completeness make the AD781 ideal for highly compact board  
layouts. T he AD781 will acquire a full-scale input in less than  
700 ns and retain the held value with a droop rate of 0.01 µV/µs.  
Excellent linearity and hold mode dc and dynamic performance  
make the AD781 ideal for 12- and 14-bit high speed analog-  
to-digital converters.  
5. Excellent choice as a front-end SHA for high speed analog-  
to-digital converters such as the AD671, AD7586, AD674B,  
AD774B, AD7572 and AD7672.  
6. Fully specified and tested hold mode distortion guarantees  
the performance of the SHA in sampled data systems.  
7. T he AD781 is available in versions compliant with MIL-  
ST D-883. Refer to the Analog Devices Military Products  
Databook or current AD781/883B data sheet for detailed  
specifications.  
T he AD781 is manufactured on Analog Devices’ BiMOS  
process which merges high performance, low noise bipolar  
circuitry with low power CMOS to provide an accurate, high  
speed, low power SHA.  
T he AD781 is specified for three temperature ranges. T he J  
grade device is specified for operation from 0°C to +70°C, the A  
grade from –40°C to +85°C and the S grade from –55°C to  
+125°C. T he J and A grades are available in 8-pin plastic DIP  
packages. T he S grade is available in an 8-pin cerdip package.  
*P r otected by U.S. P atent No. 4,962,325.  
REV. A  
Inform ation furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assum ed by Analog Devices for its  
use, nor for any infringem ents of patents or other rights of third parties  
which m ay result from its use. No license is granted by im plication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.  
Tel: 617/ 329-4700  
Fax: 617/ 326-8703  
12345678

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