SOP Voltage References 326

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Part RoHS Manufacturer Other IC type Temperature Grade No. of Terminals Package Code Package Shape Surface Mount Total Dose (V) Package Body Material Maximum Supply Current (Isup) Maximum Output Current Trim or Adjustable Output (V) No. of Functions Technology Screening Level Nominal Bandwidth Terminal Form Main Out Ripple Voltage Maximum Negative Supply Voltage (Vsup) Nominal Supply Voltage (Vsup) Maximum Voltage Tolerance Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Minimum Output Voltage Minimum Operating Temperature Max Voltage Temp Coef Terminal Finish Maximum Output Voltage Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Maximum Seated Height Width (mm) Qualification Minimum Supply Voltage (Vsup) Additional Features Minimum Negative Supply Voltage (Vsup) JESD-609 Code Maximum Time At Peak Reflow Temperature (s) No. of Outputs Peak Reflow Temperature (C) Length Nominal Output Voltage

ADR293ERZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

NO

1

GULL WING

6 V

.06 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

4.997 V

-40 Cel

10 ppm/Cel

MATTE TIN

5.003 V

DUAL

R-PDSO-G8

1

15 V

1.75 mm

3.9 mm

Not Qualified

6 V

e3

40

1

260

4.9 mm

5 V

ADR431ARZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

5 V

.12 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

2.497 V

-40 Cel

10 ppm/Cel

MATTE TIN

2.503 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

4.5 V

OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

e3

30

1

260

4.9 mm

2.5 V

LM236DE4-2-5

Texas Instruments

TWO TERMINAL VOLTAGE REFERENCE

OTHER

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

BIPOLAR

GULL WING

2 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

85 Cel

2.44 V

-25 Cel

52 ppm/Cel

NICKEL PALLADIUM GOLD

2.54 V

DUAL

R-PDSO-G8

1

1.75 mm

3.9 mm

Not Qualified

e4

30

1

260

4.9 mm

2.49 V

LM385PSRE4-1-2

Texas Instruments

TWO TERMINAL VOLTAGE REFERENCE

COMMERCIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

NO

1

BIPOLAR

GULL WING

2 %

SMALL OUTLINE

SOP8,.3

Voltage References

1.27 mm

70 Cel

1.21 V

0 Cel

20 ppm/Cel

1.26 V

DUAL

R-PDSO-G8

2 mm

5.3 mm

Not Qualified

NOT SPECIFIED

1

NOT SPECIFIED

6.2 mm

1.235 V

REF194GSZ-REEL

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

INDUSTRIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

NO

1

CMOS

GULL WING

5 V

.22 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

85 Cel

4.49 V

-40 Cel

25 ppm/Cel

MATTE TIN

4.51 V

DUAL

R-PDSO-G8

1

15 V

1.75 mm

3.9 mm

Not Qualified

4.75 V

e3

1

260

4.9 mm

4.5 V

REF02BU/2K5E4

Texas Instruments

THREE TERMINAL VOLTAGE REFERENCE

INDUSTRIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

BIPOLAR

GULL WING

15 V

.13 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

85 Cel

4.99 V

-40 Cel

10 ppm/Cel

NICKEL PALLADIUM GOLD

5.01 V

DUAL

R-PDSO-G8

3

40 V

1.75 mm

3.9 mm

Not Qualified

8 V

OUTPUT CAN BE EXTERNALLY ADJUSTED OVER A +/-6 PERCENT RANGE

e4

30

1

260

4.9 mm

5 V

REF102CUG4

Texas Instruments

THREE TERMINAL VOLTAGE REFERENCE

OTHER

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

15 V

.025 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

85 Cel

9.9975 V

-25 Cel

2.5 ppm/Cel

NICKEL PALLADIUM GOLD

10.0025 V

DUAL

R-PDSO-G8

2

36 V

1.75 mm

3.9 mm

Not Qualified

11.4 V

e4

30

1

260

4.9 mm

10 V

ADR291WFRZ-R7

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

NO

AEC-Q100

GULL WING

.33 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

-40 Cel

15 ppm/Cel

MATTE TIN

DUAL

R-PDSO-G8

1

Not Qualified

e3

30

260

2.5 V

ADR291WFRZ-RL

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

NO

AEC-Q100

GULL WING

.33 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

-40 Cel

15 ppm/Cel

MATTE TIN

DUAL

R-PDSO-G8

1

Not Qualified

e3

30

260

2.5 V

ADR434TRZ-EP

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

MILITARY

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

7 V

.037 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

4.0945 V

-55 Cel

3 ppm/Cel

NICKEL PALLADIUM GOLD

4.0975 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

6.1 V

e4

30

1

260

4.9 mm

4.096 V

AD588ARWZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

OTHER

16

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

10 mA

.01 A

YES

1

BIPOLAR

GULL WING

-18 V

15 V

.06 %

SMALL OUTLINE

SOP16,.4

Voltage References

1.27 mm

85 Cel

9.995 V

-25 Cel

3 ppm/Cel

MATTE TIN

10.005 V

DUAL

R-PDSO-G16

1

18 V

2.65 mm

7.5 mm

Not Qualified

13.5 V

5V OUTPUT IS ALSO AVAILABLE

-13.5 V

e3

30

2

260

10.3 mm

10 V

X60008AIS8-50T1

Intersil

THREE TERMINAL VOLTAGE REFERENCE

INDUSTRIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

NO

1

CMOS

GULL WING

6.5 V

.5 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

85 Cel

4.9995 V

-40 Cel

1 ppm/Cel

TIN LEAD

5.0005 V

DUAL

R-PDSO-G8

1

9 V

1.7272 mm

3.9116 mm

Not Qualified

5.1 V

e0

1

4.9022 mm

5 V

ADR430ARZ-REEL7

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

5 V

.15 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

2.045 V

-40 Cel

10 ppm/Cel

MATTE TIN

2.051 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

4.1 V

OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

e3

30

1

260

4.9 mm

2.048 V

ADR433ARZ-REEL7

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

6 V

.13 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

2.996 V

-40 Cel

10 ppm/Cel

MATTE TIN

3.004 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

5 V

OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

e3

30

1

260

4.9 mm

3 V

ADR433ARZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

6 V

.13 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

2.996 V

-40 Cel

10 ppm/Cel

MATTE TIN

3.004 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

5 V

OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

e3

1

260

4.9 mm

3 V

ADR434BRZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

7 V

.04 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

4.0945 V

-40 Cel

3 ppm/Cel

MATTE TIN

4.0975 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

6.1 V

OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

e3

30

1

260

4.9 mm

4.096 V

ADR435ARZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

8 V

.12 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

4.994 V

-40 Cel

10 ppm/Cel

MATTE TIN

5.006 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

7 V

OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

e3

30

1

260

4.9 mm

5 V

ADR439ARZ-REEL7

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

6.5 V

.12 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

4.4946 V

-40 Cel

10 ppm/Cel

MATTE TIN

4.5054 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

6.5 V

OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

e3

1

260

4.9 mm

4.5 V

ADR444BRZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

5.5 V

.04 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

4.0944 V

-40 Cel

3 ppm/Cel

MATTE TIN

4.0976 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

4.6 V

OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

e3

30

1

260

4.9 mm

4.096 V

ADR445ARZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

6.5 V

.12 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

125 Cel

4.994 V

-40 Cel

10 ppm/Cel

MATTE TIN

5.006 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

Not Qualified

5.5 V

OUTPUT VOLTAGE CAN BE ADJUSTED OVER A 0.5 PERCENT RANGE USING TRIM PIN

e3

30

1

260

4.9 mm

5 V

REF102BUG4

Texas Instruments

THREE TERMINAL VOLTAGE REFERENCE

OTHER

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

15 V

.05 %

SMALL OUTLINE

SOP8,.25

Voltage References

1.27 mm

85 Cel

9.995 V

-25 Cel

5 ppm/Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

10.005 V

DUAL

R-PDSO-G8

2

36 V

1.75 mm

3.9 mm

Not Qualified

11.4 V

e4

NOT SPECIFIED

1

260

4.9 mm

10 V

ADR4525CRZ-R7

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

COMMERCIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.01 A

NO

1

GULL WING

.02 %

SMALL OUTLINE

SOP8,.25

1.27 mm

70 Cel

0 Cel

2 ppm/Cel

MATTE TIN

DUAL

R-PDSO-G8

1

15 V

1.75 mm

3.9 mm

3 V

e3

30

1

260

4.9 mm

2.5 V

LM4041CQFTA

Diodes Incorporated

TWO TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

3

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

.5 %

SMALL OUTLINE

TO-236

Voltage References

.915 mm

125 Cel

1.218875 V

-40 Cel

100 ppm/Cel

MATTE TIN

1.231125 V

DUAL

R-PDSO-G3

1

1.1 mm

1.3 mm

Not Qualified

e3

30

1

260

2.9 mm

1.225 V

LM4041DADJQFTA

Diodes Incorporated

TWO TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

3

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

SMALL OUTLINE

.915 mm

125 Cel

1.22067 V

-40 Cel

150 ppm/Cel

MATTE TIN

1.24533 V

DUAL

R-PDSO-G3

1.1 mm

1.3 mm

e3

1

260

2.9 mm

1.233 V

MCP1501T-12E/SN

Microchip Technology

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.55 mA

.03 A

NO

1

GULL WING

.1 %

SMALL OUTLINE

SOP8,.25

1.27 mm

125 Cel

1.2488 V

-40 Cel

50 ppm/Cel

MATTE TIN

1.2513 V

DUAL

R-PDSO-G8

5.5 V

1.75 mm

3.9 mm

1.65 V

e3

1

4.9 mm

1.25 V

MCP1501T-18E/SN

Microchip Technology

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.55 mA

.03 A

NO

1

GULL WING

.1 %

SMALL OUTLINE

SOP8,.25

1.27 mm

125 Cel

1.7982 V

-40 Cel

50 ppm/Cel

MATTE TIN

1.8018 V

DUAL

R-PDSO-G8

5.5 V

1.75 mm

3.9 mm

2 V

e3

1

4.9 mm

1.8 V

MCP1501T-20E/SN

Microchip Technology

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.55 mA

.03 A

NO

1

GULL WING

.1 %

SMALL OUTLINE

SOP8,.25

1.27 mm

125 Cel

2.046 V

-40 Cel

50 ppm/Cel

MATTE TIN

2.05 V

DUAL

R-PDSO-G8

5.5 V

1.75 mm

3.9 mm

2.25 V

e3

1

4.9 mm

2.048 V

MCP1501-12E/SN

Microchip Technology

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.55 mA

.03 A

NO

1

GULL WING

.1 %

SMALL OUTLINE

SOP8,.25

1.27 mm

125 Cel

1.2488 V

-40 Cel

50 ppm/Cel

MATTE TIN

1.2513 V

DUAL

R-PDSO-G8

5.5 V

1.75 mm

3.9 mm

1.65 V

e3

1

4.9 mm

1.25 V

MCP1501-18E/SN

Microchip Technology

THREE TERMINAL VOLTAGE REFERENCE

AUTOMOTIVE

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.55 mA

.03 A

NO

1

GULL WING

.1 %

SMALL OUTLINE

SOP8,.25

1.27 mm

125 Cel

1.7982 V

-40 Cel

50 ppm/Cel

MATTE TIN

1.8018 V

DUAL

R-PDSO-G8

5.5 V

1.75 mm

3.9 mm

2 V

e3

1

4.9 mm

1.8 V

ADR441TRZ-EP-R7

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

MILITARY

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

4 V

SMALL OUTLINE

1.27 mm

125 Cel

2.499 V

-55 Cel

5 ppm/Cel

NICKEL PALLADIUM GOLD

2.501 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

3 V

e4

30

1

260

4.9 mm

2.5 V

ADR441TRZ-EP

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

MILITARY

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

GULL WING

4 V

SMALL OUTLINE

1.27 mm

125 Cel

2.499 V

-55 Cel

5 ppm/Cel

NICKEL PALLADIUM GOLD

2.501 V

DUAL

R-PDSO-G8

1

18 V

1.75 mm

3.9 mm

3 V

e4

30

1

260

4.9 mm

2.5 V

REF191TRZ-EP

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

MILITARY

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.05 mA

YES

1

GULL WING

3.3 V

.098 %

SMALL OUTLINE

SOP8,.25

1.27 mm

125 Cel

2.046 V

-55 Cel

5 ppm/Cel

2.05 V

DUAL

R-PDSO-G8

15 V

1.75 mm

3.9 mm

3 V

1

4.9 mm

2.048 V

ADR4550CRZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

COMMERCIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.01 A

NO

1

GULL WING

.02 %

SMALL OUTLINE

SOP8,.25

1.27 mm

70 Cel

0 Cel

2 ppm/Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G8

1

15 V

1.75 mm

3.9 mm

5.1 V

e3

30

1

260

4.9 mm

5 V

ADR4540CRZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

COMMERCIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.01 A

NO

1

GULL WING

.02 %

SMALL OUTLINE

SOP8,.25

1.27 mm

70 Cel

0 Cel

2 ppm/Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G8

1

15 V

1.75 mm

3.9 mm

4.2 V

e3

30

1

260

4.9 mm

4.096 V

ADR4525CRZ

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

COMMERCIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.01 A

NO

1

GULL WING

.02 %

SMALL OUTLINE

SOP8,.25

1.27 mm

70 Cel

0 Cel

2 ppm/Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G8

1

15 V

1.75 mm

3.9 mm

3 V

e3

30

1

260

4.9 mm

2.5 V

ADR4550CRZ-R7

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

COMMERCIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.01 A

NO

1

GULL WING

.02 %

SMALL OUTLINE

SOP8,.25

1.27 mm

70 Cel

0 Cel

2 ppm/Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G8

1

15 V

1.75 mm

3.9 mm

5.1 V

e3

30

1

260

4.9 mm

5 V

ADR4540CRZ-R7

Analog Devices

THREE TERMINAL VOLTAGE REFERENCE

COMMERCIAL

8

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

.01 A

NO

1

GULL WING

.02 %

SMALL OUTLINE

SOP8,.25

1.27 mm

70 Cel

0 Cel

2 ppm/Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G8

1

15 V

1.75 mm

3.9 mm

4.2 V

e3

30

1

260

4.9 mm

4.096 V

AZ9431AQSA-7

Diodes Incorporated

TWO TERMINAL VOLTAGE REFERENCE

3

SOP

RECTANGULAR

YES

PLASTIC/EPOXY

YES

1

AEC-Q100

GULL WING

1 %

SMALL OUTLINE

TO-236

.915 mm

125 Cel

1.234 V

-40 Cel

20 ppm/Cel

MATTE TIN

1.246 V

DUAL

R-PDSO-G3

1.1 mm

1.3 mm

e3

1

2.9 mm

1.24 V

Voltage References

Voltage references are electronic devices used to provide a stable, precise voltage output that is independent of changes in temperature, load, or input voltage. They are used in a wide range of electronic applications, including instrumentation, data acquisition systems, and power supplies.

Voltage references are typically designed to output a fixed voltage value, such as 2.5V or 5V, and can be based on various technologies, including zener diodes, bandgap references, and temperature-compensated voltage references.

Zener diode-based voltage references work by using the reverse breakdown voltage of a zener diode to generate a stable reference voltage. Bandgap references use the voltage difference between two junctions in a bipolar transistor to generate a stable voltage reference. Temperature-compensated voltage references use a combination of circuit elements to compensate for temperature changes and provide a stable voltage output.

Voltage references typically have a high level of accuracy and low drift over time, making them suitable for use in precision applications. They may also include features such as low power consumption, low noise, and short-circuit protection.