参数资料
型号: REF1112AIDBZR
厂商: TEXAS INSTRUMENTS INC
元件分类: 基准电压源/电流源
英文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.25 V, PDSO3
封装: GREEN, PLASTIC, SOT-23, 3 PIN
文件页数: 8/11页
文件大小: 376K
代理商: REF1112AIDBZR
REF1112
6
SBOS283C
www.ti.com
FIGURE 5. Adjustable Voltage Shunt Reference.
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
analog-to-digital converter (ADC).
FIGURE 6. REF1112 Provides a Level Shift to Achieve Full ADC Input Range.
I
BIAS
2.5V
1.25V
0.1
F
10k
R
1
10k
R
2
10k
OPA347
0.01
F
V
OUT = 1.25 (1 + R1 / R2)
V
S
R
SET
V
REF
V
IN
+V
V
S
1.25V
0.1
F
ADC
V
OUT
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相关代理商/技术参数
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REF1112AIDBZRG4 功能描述:基准电压& 基准电流 1uA SOT23-3 10ppm/C Shunt RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数(典型值):100 PPM / C 串联 VREF - 输入电压(最大值): 串联 VREF - 输入电压(最小值): 分流电流(最大值):60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel
REF1112AIDBZT 功能描述:基准电压& 基准电流 1uA SOT23-3 10ppm/C Shunt RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数(典型值):100 PPM / C 串联 VREF - 输入电压(最大值): 串联 VREF - 输入电压(最小值): 分流电流(最大值):60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel
REF1112AIDBZTG4 功能描述:基准电压& 基准电流 1uA SOT23-3 10ppm/C Shunt RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数(典型值):100 PPM / C 串联 VREF - 输入电压(最大值): 串联 VREF - 输入电压(最小值): 分流电流(最大值):60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel
REF1117-2.85 制造商:Rochester Electronics LLC 功能描述:- Bulk
REF12 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC