AD706AR-REEL View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD706AR-REEL

Dual Picoampere Input Current Bipolar Op Amp

Analog Devices 

AD706

–80

–100

–120

–140

–160

10

100

1k

10k

FREQUENCY – Hz

100k

Figure 2a. Crosstalk vs. Frequency

+VS 0.1␮F

2

1/2

AD706

1

3

4

0.1␮F

SINE WAVE

GENERATOR

–VS

VOUT1

20V p-p

RL

2k⍀

2.21k⍀

20k⍀

+VS

6

8

1/2

AD706

5

1␮F

7

0.1␮F

VOUT2

VOUT2

CROSSTALK = 20 LOG10 VOUT1 –20dB

Figure 2b. Crosstalk Test Circuit

1000

100

10

AV = –1000

1

0.1

AV = + 1

0.01

IOUT = +1mA

0.001

1

10

100

1k

10k

100k

FREQUENCY – Hz

Figure 3. Magnitude of Closed-Loop Output

Impedance vs. Frequency

RF

+VS

0.1␮F

8

1/2

AD706

VIN

4

RL

2k⍀

VOUT

CL

SQUARE

WAVE

INPUT

0.1␮F

–VS

Figure 4a. Unity Gain Follower (For large signal

applications, resistor RF limits the current

through the input protection diodes.)

Figure 4b. Unity Gain Follower Large

Signal Pulse Response, RF = 10 kΩ,

CL = 1,000 pF

Figure 4c. Unity Gain Follower

Small Signal Pulse Response,

RF = 0 Ω, CL = 100 pF

–6–

Figure 4d. Unity Gain Follower

Small Signal Pulse Response,

RF = 0 Ω, CL = 1000 pF

REV. E

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