CA3080 Ver la hoja de datos (PDF) - Renesas Electronics

Número de pieza

componentes Descripción

Fabricante

CA3080

2MHz, Operational Transconductance Amplifier (OTA)

Renesas Electronics 

CA3080, CA3080A

Typical Applications (Continued)

2.0k

V+ = +15V

2

INPUT

3

2.0k

7

-

CA3080A

+

4

5

0.01F

3N138

6

220

0.01F

300pF

OUTPUT

3k

SAMPLE 0V

30k

STORAGE AND PHASE

COMPENSATION NETWORK

SLEW RATE (IN SAMPLE MODE) = 1.3V/s

ACQUISITION TIME = 3s (NOTE)

HOLD -15V

NOTE: Time required for output to settle within 3mV of a 4V step.

V- = -15V

FIGURE 4. SCHEMATIC DIAGRAM OF THE CA3080A IN A SAMPLE-HOLD CONFIGURATION

STROBE

30k

1N914

0

SAMPLE

-15

HOLD

2k

INPUT

+15V

1N914

0.1F

5

7

3

+

2k

CA3080A

6

2

-

4

0.1F

2k

-15V

200pF

200pF

400

+15V

0.1F

7

3.6k

3

+

CA3140

6

2-

4

0.1

1

F

5

100k

2k

-15V

2k

0.1F

SIMULATED LOAD

NOT REQUIRED

30pF

FIGURE 5. SAMPLE AND HOLD CIRCUIT

FN475 Rev.6.00

Jan 13, 2017

Page 5 of 11

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