CA3193A Просмотр технического описания (PDF) - Intersil

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производитель

CA3193A

1.2MHz, BiCMOS Precision Operational Amplifiers

Intersil 

CA3193, CA3193A

Test Circuits and Waveforms (Continued)

FIGURE 3. VOLTAGE FOLLOWER

100Ω

1%

2.2MΩ

1%

2

3

100Ω

1%

+15V

7

CA3193

6

4

5

1

LOW PASS

FILTER

DC TO 10Hz

HIGH PASS

FILTER

0.1 TO 10Hz

A

3.3kΩ

1%

4.7µF

1%

B

2.2µF

1%

1MΩ

SCOPE

INPUT

RESISTANCE

20kΩ 20kΩ

1kΩ

VNOISE = V-----2O---2-U---x-T--1--P-0----–3----P-

-15V

FIGURE 4A. TEST CIRCUIT - 0.1Hz TO 10Hz

FIGURE 4B. OUTPUT A WAVEFORM - 0Hz TO 10Hz NOISE

FIGURE 4C. OUTPUT B WAVEFORM - 0.1Hz TO 10Hz NOISE

FIGURE 4. LOW FREQUENCY NOISE

Functional Block Diagram

+

3

INPUT -

2

3µA

950µA

A ≈ 2000

25K

BIAS NETWORK

70µA

A≈7

6pF

660µA

20pF

A ≈ 75

600µA

7.5K

A≈1

2.3mA

7 V+

6

OUTPUT

15

OFFSET

NULL

4

V-

63

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