参数资料
型号: REF02AZ
厂商: Analog Devices Inc
文件页数: 10/16页
文件大小: 0K
描述: IC VREF SERIES PREC 5V 8-CERDIP
产品变化通告: Input Voltage Max Change 23/Mar/2009
标准包装: 1
基准类型: 串联,精度
输出电压: 5V
容差: ±0.15%
温度系数: 8.5ppm/°C
输入电压: 7 V ~ 40 V
通道数: 1
电流 - 静态: 1.4mA
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
产品目录页面: 797 (CN2011-ZH PDF)

REF02
OUTPUT ADJUSTMENT
The REF02 trim terminal can be used to adjust the output
voltage over a 5 V ± 300 mV range. This feature lets the system
designer trim system errors by setting the reference to a voltage
other than 5 V. The output also can be set to exactly 5.00 V or to
Adjustment of the output does not significantly affect the
temperature performance of the device. The temperature
coefficient change is approximately 0.7 ppm/°C for 100 mV of
output adjustment.
5.12 V for binary applications.
+15V
2
U1
V IN
V O
6
+5V
V IN
REF02
V IN V OUT
V O
3
REF02
TEMP TRIM
GND
4
5
10k ?
10k ?
+15V
TEMP TRIM
GND
R1
470k ?
pot
10k ?
0.1 μ F
5k ?
OP02
–5V
R2
1k ?
–15V
Figure 14. Output Adjustment Circuit
+5V
2
6
Figure 16. ±5 V Reference
V O +
+2.5V
R1
5.6k ?
+18V
REF02
2
V IN
4
V REF
R2
5.6k ?
7
2
4
REF02
GND
V O + =
R1
R1 + R2
(V REF ), V O – =
R2
R1 + R2
(V REF )
6
OP02
+
3
4
+V O
–9V
–2.5V
–18V
Figure 15. Burn-In Circuit
Rev. I | Page 10 of 16
Figure 17. ±2.5 V Reference
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