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参数资料
| 型号： | AD581JH |
| 厂商： | Analog Devices Inc |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC VREF SERIES PREC 10V TO-5-3 |
| 标准包装： | 100 |
| 基准类型： | 串联，精度 |
| 输出电压： | 10V |
| 容差： | ±30mV |
| 温度系数： | 30ppm/°C |
| 输入电压： | 12 V ~ 30 V |
| 通道数： | 1 |
| 电流 - 静态： | 1mA |
| 电流 - 输出： | 10mA |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-205AA，TO-5-3 金属罐 |
| 供应商设备封装： | TO-5-3 |
| 包装： | 散装 |
| 产品目录页面： | 795 (CN2011-ZH PDF) |
AD581
APPLYING THE AD581
The AD581 is easy to use in virtually all precision reference
V+
applications. The three pins are simply: primary supply, ground,
R40
R41
and output, with the case grounded. No external components
are required even for high precision applications; the degree of
desired absolute accuracy is achieved simply by selecting the
Q10
C51
C52
Q12
Q11
Q20
Q8
Q15
Q7
R42
required device grade. The AD581 requires less than 1 mA quies-
Q6
Q14
R34
10V
cent current from an operating supply range of 13 V to 30 V.
13V TO 30V
Q16
Q13
R37
Q5
+V S
C50
R33
R32
R35
AD581
V OUT
10V
Q3
Q4
GND
Q2
Q1
Figure 2. Pin Configuration (Bottom View)
R39
R30
R31
R36
V–
An external fine trim may be desired to set the output level to
exactly 10.000 V within less than a millivolt (calibrated to a
main system reference). System calibration may also require a
reference slightly different from 10.00 V. In either case, the
optional trim circuit shown in Figure 3 can offset the output by
up to ±30 mV (with the 22 Ω resistor), if needed, with minimal
effect on other device characteristics.
+15V
Figure 4. Simplified Schematic
VOLTAGE VARIATION vs. TEMPERATURE
Some confusion exists in the area of defining and specifying
reference voltage error over temperature. Historically, references
have been characterized using a maximum deviation per degree
Celsius; that is, 10 ppm/°C. However, because of nonlinearities
in temperature characteristics, which originated in standard
R
22 ?
12 ?
3.9 ?
TRIM
RANGE
±30mV
±10mV
±5mV
MAX
Δ TCR
3.5ppm/°C
2.0ppm/°C
0.6ppm/°C
+V S
AD581
V OUT
+10V
Zener references (such as S-type characteristics) manufacturers
opt for the maximum limit error band approach to specify devices.
This technique involves measurement of the output at three,
five, or more different temperatures to guarantee that the output
voltage falls within the given error band. The temperature charac-
–15V
6.8k ?
10k ?
4.3k ?
GND
R
teristic of the AD581 consistently follows the S-curve shown in
the error band over the specified temperature range.
10.005
Figure 3. Optional Fine Trim Configuration
10.000
9.995
–55 –50 –40 –30 –20 –10 0
10 20 30 40 50 60 70 80 90 100 110 120 125
TEMPERATURE (°C)
Figure 5. Typical Temperature Characteristic
Rev. C | Page 6 of 12
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD581JH/+ | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD581JHZ | 制造商:Analog Devices 功能描述: |
| AD581K | 制造商:AD 制造商全称:Analog Devices 功能描述:High Precision 10 V IC Reference |
| AD581KCSA | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference |
| AD581KH | 功能描述:IC VREF SERIES PREC 10V TO-5-3 RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:3,000 系列:- 基准类型:旁路，精度 输出电压:3V 容差:±0.5% 温度系数:100ppm/°C 输入电压:- 通道数:1 电流 - 阴极:82µA 电流 - 静态:- 电流 - 输出:15mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-TSSOP（5 引线），SC-88A，SOT-353 供应商设备封装:SC-70-5 包装:带卷 (TR) 其它名称:296-20888-2 |
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