參數(shù)資料
型號: REF1112AIDBZT
英文描述: 10ppm/C, 1UA, 1.25V Shunt Voltage Reference
中文描述: 10ppm / ?,停機時,1.25V的并聯(lián)電壓參考
文件頁數(shù): 6/8頁
文件大小: 186K
代理商: REF1112AIDBZT
REF1112
SBOS283
6
www.ti.com
FIGURE 6. REF1112 Provides a Level Shift to Achieve Full ADC Input Range.
V
REF
V
IN
+ V
V
V
S
1.25V
0.1
μ
F
ADC
V
OUT
For applications requiring a stable voltage reference ca-
pable of sinking higher than 5mA of current, a REF1112
combined with an OPA347 can sink up to 10mA of
current. This configuration is shown in Figure 5, and
through appropriate selection of R1 and R2, can be used
to provide a wide range of stable reference voltages. The
REF1112 is also useful for level shifting, and as shown in
Figure 6, can be used to achieve the full input range of
an ADC.
I
BIAS
2.5V
1.25V
0.1
μ
F
10k
R
1
10k
R
2
10k
OPA347
0.01
μ
F
V
OUT
= 1.25 (1 + R1 / R2)
V
S
R
SET
FIGURE 5. Adjustable Voltage Shunt Reference
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參數(shù)描述
REF1112AIDBZTG4 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 1uA SOT23-3 10ppm/C Shunt RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)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
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