REF2940 datasheet(5/15 Pages) TI

Part #	REF2940

Description	100ppm/째C, 50關A in SOT23-3 CMOS VOLTAGE REFERENCE

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Manufacturer	TI [Texas Instruments]

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REF2912, 2920, 2925, 2930, 2933, 2940

5

SBVS033B

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TYPICAL CHARACTERISTICS (Cont.)

At TA = +25°C, VIN = +5V power supply, REF2925 is used for typical characteristics, unless otherwise noted.

OUTPUT IMPEDANCE vs FREQUENCY

100

10

1

0.1

0.01

1

10

100

1k

10k

100k

Frequency (Hz)

POWER-SUPPLY REJECTION RATIO vs FREQUENCY

90

80

70

60

50

40

30

20

10

0

1

10

100

1k

10k

100k

Frequency (Hz)

OUTPUT VOLTAGE

vs SUPPLY VOLTAGE (I

LOAD = 25mA)

2.5008

2.5000

2.4992

2.4984

2.4976

2.4968

2.4967

2.4952

2.4944

2.4936

2.5

3

3.5

4

4.5

5

5.5

6

Supply (V)

OUTPUT VOLTAGE vs LOAD CURRENT

2.50152

2.50000

2.49848

2.49696

2.49544

2.49392

2.49824

2.49088

2.48936

0

5

10

15

20

25

30

Load Current (mA)

LINE REGULATION vs TEMPERATURE

200

150

100

50

0

–50

Temperature (

°C)

–40

–20

0

20

60

40

80

100

120

140

OUTPUT VOLTAGE vs SUPPLY VOLTAGE (No Load)

2.50138

2.50000

2.49862

2.49724

2.49586

2.49448

2.49310

2.49172

2.49034

2.48896

2.5

3

3.5

4

4.5

5

5.5

6

Supply (V)

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