ADA4625-2ARDZ-R7 datasheet(33/35 Pages) AD

Il numero della parte	ADA4625-2ARDZ-R7

Spiegazioni elettronici	36V 18MHz Low Noise, Fast Settling Single Supply, RRO, JFET Op Amp

PDF	35 Pages

Scroll/Zoom	100%

Produttore elettronici	AD [Analog Devices]

Homepage	http://www.analog.com

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33 / 35 page

Data Sheet

ADA4625-1/ADA4625-2

Rev. A | Page 33 of 35

TYPICAL APPLICATIONS

100MΩ

1MΩ

1/2

ADA4625-2

+18V

–18V

3.9kΩ

C11

R11

100MΩ

200Ω

HYDRO-

PHONE

1/2

ADA4625-2

0.47µF

100kΩ

1MΩ

OUTPUT

DC OUTPUT ≤ 750µV FOR TA < 125°C.

OUTPUT VOLTAGE NOISE = 128nV/√Hz AT 1kHz (GAIN = 20).

C1 ≈ CT ≈ 100pF TO 5000pF; R4 × C2 > R8 × CT.

1OPTIONAL

Figure 109. Low Noise Hydrophone Amplifier with DC Servo

1/2

ADA4625-2

+18V

–18V

1/2

ADA4625-2

2µF

2kΩ

20MΩ

R4 × C2 = R5 × C3 > R1 (1 + R2/R3) C1.

OUTPUT = 0.8mV/pC = 80mV/g.

DC OUTPUT ≤ 1mV FOR TA < 25°C.

OUTPUT NOISE = 6.6nV/√Hz AT 1kHz.

ACELEROMETER

B & K MODEL 4381

OR EQUIVALENT

2µF

100MΩ

18kΩ

1250pF

OUTPUT

Figure 110. Accelerometer Amplifier with DC Servo

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