LM4040 datasheet(26/51 Pages) VISHAY

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TYPICAL CHARACTERISTICS

Temperature (_C)

VZ = 2.5 V

IZ = 150 µA

50 ppm/

°C

20 ppm/

°C

7 ppm/

°C

−0.4

0.1

−0.1

−0.2

−0.3

0.6

0.5

0.4

0.3

0.2

−40

−20

120

100

10k

100k

Frequency (Hz)

1000

100

0.1

VZ = 2.5 V

IZ = 150 µA

TJ = 25°C

IZ,AC = 0.1 IZ

No Capacitor

µF

Tantanlum

Capacitor

100

10k

100k

Frequency (Hz)

1000

100

0.1

VZ = 2.5 V

IZ = 1 mA

TJ = 25°C

IZ,AC = 0.1 IZ

No Capacitor

µF

Tantanlum

Capacitor

100

120

0.0

0.5

1.0

1.5

2.0

2.5

3.0

VZ, Reverse Voltage (V)

VZ = 2.5 V

TJ = 25°C

2.5

1.5

0.5

100

100k

10k

Frequency (Hz)

0.1

VZ = 2.5 V

IZ = 200 µA

TJ = 25°C

−1

−10

VZ = 2.5 V

TJ = 25°C

RS = 30 kΩ

Response Time (

µs)

VIN

−2

−4

−6

−8

−10

−12

LM4040

PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

SLOS456J – JANUARY 2005 – REVISED SEPTEMBER 2006

Figure 1. Temperature Drift for Different Average

Figure 2. Output Impedance vs Frequency

Temperature Coefficients

Figure 3. Output Impedance vs Frequency

Figure 4. Temperature Drift for Different Average

Temperature Coefficient

Figure 5. Noise Voltage vs Frequency

Figure 6. Start-Up Characteristics

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