NJM2825 Просмотр технического описания (PDF) - Japan Radio Corporation

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NJM2825

Precision Micropower Shunt Voltage Reference

Japan Radio Corporation  

NJM2825

■TYPICAL CHARACTERISTICS

Dynamic Impedance vs. Frequency

10

(V =V , Ta=25oC)

FB A

IK=10 µA

IK=0.8µA Cout=0 µF

1

Cout=0 µF

0.1

0.01

0.001

0.0001

0.01

IK=0.8µA

Cout=0.047 µF

IK=10 µA

Cout=0.1 µF

0.1

1

10 100 1000

Frequency f (kHz)

Feedback Current vs. Temperature

2 (R1=Open, R2=120kΩ, IK=0.8µA)

1.5

1

0.5

0

-50 -25 0 25 50 75 100 125

Ambient Temperature Ta (oC)

Sefty Operating Boundary Condition

1

(VFB=VA, Ta=25oC)

Ceramic Capacitor

0.8

0.6

0.4

0.2

0

0.001

Stable Operation Region

Unstable Operation Region

Note) Oscillation might occur while operating within the range

of safety curve.

So that, it is necessary to make ample margins by

taking considerations of fluctuation of the device.

0.01

0.1

1

10

Output Capacitance Co (µF)

Power Dissipation vs. Temperature

250

(MTP5=Itself, Tj=∼125oC)

200

150

100

50

0

0

25

50

75

100

Ambient Temperature Ta (oC)

-4-

Ver.2009-03-05

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