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Showing Results For: Voltage References

Voltage References

Voltage references are specialised electronic circuits or components designed to produce a stable and precise output voltage, regardless of variations in input voltage, load current, temperature, or time. They serve as a crucial benchmark in various electronic systems, ensuring accuracy and consistency in measurements and operations.

Why Choose Voltage References?

A stable and accurate voltage source is paramount in numerous electronic applications. Voltage references provide this stability, ensuring consistent performance of circuits and systems. They minimise errors caused by fluctuations in power supply, temperature changes, and loading conditions. This is particularly critical in precision measurement, data conversion, and control systems, where even minor voltage variations can lead to significant inaccuracies.

Types of Voltage References:

Voltage references come in various types based on their voltage and reference ratings, tolerance, and semiconductor packages, including: 

  • Zener Diode References – These utilises the reverse breakdown voltage of a Zener diode to provide a relatively stable voltage. While simple, they are less precise and more temperature-sensitive than other types.
  • Bandgap References – These exploit the predictable temperature characteristics of silicon bandgap voltage to create a highly stable output voltage with low-temperature drift. They are widely used due to their accuracy and stability.
  • Buried Zener References – These are similar to Zener diode references but are fabricated with the Zener junction buried beneath the surface of the silicon, resulting in improved stability and lower noise.
  • Shunt Voltage References – These act as a variable resistor designed to maintain a constant voltage across the load. They are often used in applications with fluctuating input voltages.
  • Series Voltage References – These are placed in series with the load, and the voltage is regulated by adjusting the current flow. They are suitable for applications with stable input voltages.

Typical Applications of Voltage References

Voltage references are used across various applications, such as:

  • Data Converters (ADCs and DACs)
  • Power Supplies
  • Measurement and Instrumentation
  • Automotive Electronics
  • Industrial Control Systems.
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Halltronics #
Manufacturer Part No
Name
Availability
Price
 
ONS (FAIRCHILD)
ONS (FAIRCHILD) LM336Z25, IC-336 V.REFERENCE 2V5 TO92 BULK FSC
140 In Stock
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1 +
£ 1.41
1000 +
£ 1.28
TEXAS LM4040DIM3-5-0NOPB, IC -4040 VREF SHUNT 5V SOT23-3
799 In Stock
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1 +
£ 0.17
1000 +
£ 0.15
LM4041AELT-1.2 - IC-4041 VREF SHUNT 0.1% SOT23-3
20929 In Stock
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1 +
£ 0.27
3000 +
£ 0.23
TEXAS TL431AIDR, IC-431 VREF SHUNT ADJ SOIC8
3891 In Stock
Check Stock & Lead Times Packaging Options
1 +
£ 0.046
2500 +
£ 0.040
ONS (FAIRCHILD)
ONS (FAIRCHILD) KA431AZTA, IC-431 REFERENCE Z-DIODE +2.5..36V TO92 FSC
6249 In Stock
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1 +
£ 0.043
2000 +
£ 0.036
TEXAS REF3033AIDBZR, IC-3033 VREF SERIES 3.3V SOT23-3
1674 In Stock
Check Stock & Lead Times Packaging Options
1 +
£ 0.38
3000 +
£ 0.33
MICROCHIP MCP1501T-40ECHY, IC-1501 VREF SERIES 4.096V SOT23-6
1562 In Stock
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1 +
£ 0.69
3000 +
£ 0.63
TEXAS LM4040CIM3-4-1NOPB, IC VREF SHUNT 0.5% SOT23-3
3826 In Stock
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1 +
£ 0.24
1000 +
£ 0.21
TEXAS LM4040C30IDBZR, IC-4040 VREF SHUNT 0.5% SOT23-3
2956 In Stock
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1 +
£ 0.22
3000 +
£ 0.19
NXP TL431BFDT215, IC-431 VREF SHUNT 36V SOT-23-3
267 In Stock
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1 +
£ 0.081
3000 +
£ 0.070
UTC TL431G-AB3-R, IC VREF SHUNT ADJ 0.5% SOT89
3698 In Stock
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1 +
£ 0.084
4000 +
£ 0.069
TEXAS REF3030AIDBZR, IC-3030 VOLTAGE REFERENCE SOT23 TI
1768 In Stock
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1 +
£ 0.38
3000 +
£ 0.33
LINEAR/ANALOG LT1790AIS6-2-5TRMPBF, IC-1790 SERIES VOLTAGE REFERENCE 5mA 0.05% TSOT-23
1 In Stock
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1 +
£ 8.49
500 +
£ 7.72
TEXAS LM4040BIM3X-2-5NOPB, IC-4040 SHUNT VOLTAGE REFERENCE 2V5 %0.2 SOT23 TI
1213 In Stock
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1 +
£ 0.45
3000 +
£ 0.39
ANALOGDEVICES
ANALOGDEVICES ADR441BRZ, IC-441BRZ VREF SERIES 2.5V 8SOIC
1 In Stock
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1 +
£ 8.64
98 +
£ 7.86
TEXAS TL431LIBQDBZRQ1, IC VREF SHUNT ADJ 0.5% SOT23-3
2709 In Stock
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1 +
£ 0.34
3000 +
£ 0.29
STM TL431ACZ, IC-431 REFERENCE Z-DIODE +2.5..36V TO92 ST
43 In Stock
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1 +
£ 0.047
1000 +
£ 0.041
STM TSM1011IDT, IC-1011 BATT CHRGR/ADAPT SOIC8
56 In Stock
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1 +
£ 0.12
2500 +
£ 0.10
HOTTECH TL431-ADJ-HT, IC-431 VREF SHUNT ADJ SOT-89
402 In Stock
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1 +
£ 0.055
1000 +
£ 0.045
ONS (FAIRCHILD)
ONS (FAIRCHILD) FAN431ZXA, IC-431 REFERENCE Z-DIODE +2.5..36V TO92 TB FSC
332 In Stock
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1 +
£ 0.11
2000 +
£ 0.096
TEXAS REF3025AIDBZT, IC-3025 VREF SERIES 2.5V SOT23 TI
Pre Order
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1 +
£ 0.48
250 +
£ 0.43
ANALOGDEVICES
ANALOGDEVICES AD780BRZ, IC-780 V.REG SERIES ±2.5V, ±3V 8-SOIC
99 In Stock
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1 +
£ 10.17
98 +
£ 9.51
MAXIM LM4040BEM3-3-0T-, IC-4040 VREF SHUNT 3V SOT23-3
30 In Stock
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1 +
£ 0.91
2500 +
£ 0.83
ANALOGDEVICES
ANALOGDEVICES ADR444BRZ-REEL7, IC-444BRZ VREF SERIES 0.04% 8SOIC
28 In Stock
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1 +
£ 11.96
1000 +
£ 11.17
TEXAS TL431CLPR, IC VREF SHUNT ADJ 2.2% TO92-3
1993 In Stock
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1 +
£ 0.039
2000 +
£ 0.032
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