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| 型号： | AD587UQ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 7/12页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC 10V 8-CERDIP |
| 标准包装： | 1 |
| 基准类型： | 串联，精度 |
| 输出电压： | 10V |
| 容差： | ±5mV |
| 温度系数： | 5ppm/°C |
| 输入电压： | 13.5 V ~ 36 V |
| 通道数： | 1 |
| 电流 - 静态： | 4mA |
| 电流 - 输出： | 10mA |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-CDIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-CERDIP |
| 包装： | 管件 |
AD587
TURN-ON TIME
Upon application of power (cold start), the time required for
the output voltage to reach its final value within a specified
+V IN
100
90
10V
1V
100ms
error band is defined as the turn-on settling time. Two compo-
nents normally associated with this are the time for the active
circuits to settle and the time for the thermal gradients on the
chip to stabilize. Figure 7, Figure 8, and Figure 9 show the turn-
on characteristics of the AD587. These figures show the settling
to be about 60 μs to 0.01%. Note the absence of any thermal tails
Output turn-on time is modified when an external noise reduc-
V OUT
10
0%
tion capacitor is used. When present, this capacitor acts as an
additional load to the current source of the internal Zener
diode, resulting in a somewhat longer turn-on time. In the case
of a 1 μF capacitor, the initial turn-on time is approximately
Figure 9. Turn-On with 1 μF C N
DYNAMIC PERFORMANCE
The output buffer amplifier is designed to provide the AD587
with static and dynamic load regulation that is superior to less
complete references.
+V IN
100
90
10V
1mV
Many ADCs and DACs present transient current loads to the
reference, and poor reference response can degrade the con-
verter’s performance.
V OUT
output amplifier driving a 0 mA to 10 mA load.
10
0%
7.0V
1k ?
V OUT
20μs
Figure 7. Electrical Turn-On
AD587
V L
10V
0V
+V IN
100
20V
10V
1ms
Figure 10. Transient Load Test Circuit
V OUT
90
10
V L 100
90
V OUT
10V
50mV
1μs
0%
10
0%
Figure 8. Extended Time Scale
Figure 11. Large-Scale Transient Response
Rev. H | Page 7 of 12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD587UQ/883B | 制造商:Rochester Electronics LLC 功能描述:IC - HI PREC. 10V REF. IC - Bulk |
| AD588 | 制造商:AD 制造商全称:Analog Devices 功能描述:High Precision Voltage Reference |
| AD588AD | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference |
| AD588AD/+ | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference |
| AD588AE | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference |
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