參數(shù)資料
型號: REF02HPZ2
廠商: Analog Devices, Inc.
英文描述: 5 V Precision Voltage Reference/Temperature Transducer
中文描述: 5 V精密電壓參考/溫度傳感器
文件頁數(shù): 10/16頁
文件大小: 261K
代理商: REF02HPZ2
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
5.12 V for binary applications.
Rev. I | Page 10 of 16
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.
U1
REF02
V
IN
V
OUT
TEMP TRIM
GND
V
IN
V
O
pot
10k
R2
1k
R1
470k
0
Figure 14. Output Adjustment Circuit
0
V
IN
GND
–18V
+18V
4
2
REF02
Figure 15. Burn-In Circuit
0
V
IN
GND
REF02
V
O
TRIM
TEMP
0.1
μ
F
5k
OP02
10k
10k
+15V
–15V
+15V
+5V
–5V
4
5
3
6
2
Figure 16. ±5 V Reference
0
REF02
R1
5.6k
R2
5.6k
2
+5V
4
6
2
OP02
+3
4
6
7
–9V
V
REF
V
+
+2.5V
+V
O
–2.5V
V
O
+ =
(V
REF
),
R1
R1 + R2
V
O
– =
(V
REF
)
R2
R1 + R2
Figure 17. ±2.5 V Reference
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