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參數(shù)資料
| 型號： | REF02Z883B |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, CDIP8 |
| 封裝： | CERDIP-8 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 441K |
| 代理商： | REF02Z883B |
REV. C
REF02
–8–
OUTPUT ADJUSTMENT
The REF02 trim terminal can be used to adjust the output
voltage over a 5 V
±300 mV range. This feature allows the sys-
tem designer to trim system errors by setting the reference to a
voltage other than 5 V. Of course, the output can also be set to
exactly 5.000 V, or to 5.12 V for binary applications.
15V
VIN
GND
TRIM
VO
REF02
2
6
5
4
OUTPUT
10k
3
TEMP
Figure 2. Output Adjustment Circuit
Adjustment of the output does not significantly affect the tem-
perature performance of the device. The temperature coefficient
change is approximately 0.7 ppm/
∞C for 100 mV of output
adjustment.
–18V
+18V
VIN
GND
REF02
4
2
Figure 3. Burn-In Circuit
VIN
GND
REF02
VO
TRIM
0.1 F
5k
10k
+15V
–15V
+15V
+5V
–5V
4
5
6
2
OP02
3
TEMP
Figure 4.
±5 V Reference
REF02
R1
5.6k
2
+5V
4
6
2
VO+
+2.5V
R2
5.6k
OP02
–
+
VREF
3
4
6
7
+VO
–2.5V
–9V
VO+ =
R1
R1 + R2
(VREF), VO– =
R2
R1 + R2
(VREF)
Figure 5.
±2.5 V Reference
RS
1.5k ,
5%
OP02
VIN
GND
REF02
VO
TRIM
0.1 F
RP
50k
4
5
6
2
VREF
TEMP
3
*
UP TO 10 FEET OF SHIELDED
4-CONDUCTOR CABLE
RB1
2
3
7
4
RBP
VOUT
+15V
–15V
RC
RA
6
Figure 6. Precision Temperature Transducer with
Remote Sensor
Table I. Resistor Values
TCVOUT SLOPE(S)
10 mV/
∞C
100 mV/
∞C 10 mV/∞F
Temperature
–55
∞C to
–55
∞C to
–67
∞F to
Range
+125
∞C
+125
∞C
+2.57
∞C
Output Voltage
–0.55 V to
–5.5 V to
–0.67 V to
Range
+1.25 V
+12.5 V
*
+2.57 V
Zero Scale
0 V @ 0
∞C0 V @ 0∞C0 V @ 0∞F
RA (
±1% resistor)
9.09 k
W
15 k
W
7.5 k
W
RB1 (
±1% resistor)
1.5 k
W
1.82 k
W
1.21 k
W
RBP(Potentiometer)
200
W
500
W
200
W
RC (
±1% resistor)
5.11 k
W
84.5 k
W
8.25 k
W
*For 125
∞C operation, the op amp output must be able to swing to 12.5 V,
increase VIN to 18 V from 15 V if this is a problem.
TEMPERATURE – C
TEMP
V
OL
T
A
GE
OUTPUT
–
mA
880
–60
–40
–20
140
020
406080
100
120
VIN = 15V
830
780
730
680
630
580
530
480
430
Figure 7. Typical Temperature Voltage Output vs.
Temperature (REF02A)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| REF02Z-G107 | 功能描述:基準電壓& 基準電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| REF03 | 制造商:AD 制造商全稱:Analog Devices 功能描述:+2.5V Precision Voltage Reference |
| REF-03 | 制造商:AD 制造商全稱:Analog Devices 功能描述:+2.5V Precision Voltage Reference |
| REF03CS | 制造商:Calogic LLC 功能描述: |
| REF03G | 制造商:PMI 功能描述: |
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