ICL7612BCPAZ datasheet(8/13 Pages) INTERSIL

Part #	ICL7612BCPAZ

Description	1.4MHz, Low Power CMOS Operational Amplifiers

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Manufacturer	INTERSIL [Intersil Corporation]

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8

FN2919.9

April 26, 2007

FIGURE 8. FIFTH ORDER CHEBYCHEV MULTIPLE FEEDBACK LOW PASS FILTER

ICL7611

+

-

ICL7611

+

-

INPUT

30k

160k

0.2

μF

0.2

μF

0.2

μF

0.2

μF0.1μF

0.1

μF

51k

100k

680k

360k

1M

OUTPUT

(NOTE 5)

NOTES:

5. Note that small capacitors (25pF to 50pF) may be needed for stability in some cases.

6. The low bias currents permit high resistance and low capacitance values to be used to achieve low frequency cutoff. fC = 10Hz, AVCL = 4,

Passband ripple = 0.1dB.

Typical Performance Curves

FIGURE 9. SUPPLY CURRENT PER AMPLIFIER vs SUPPLY

VOLTAGE

FIGURE 10. SUPPLY CURRENT PER AMPLIFIER vs FREE-AIR

TEMPERATURE

FIGURE 11. INPUT BIAS CURRENT vs TEMPERATURE

FIGURE 12. LARGE SIGNAL DIFFERENTIAL VOLTAGE GAIN

vs FREE-AIR TEMPERATURE

10k

1k

100

10

1

0

2

4

6

8

10

121416

SUPPLY VOLTAGE (V)

TA = +25°C

NO LOAD

NO SIGNAL

IQ = 1mA

IQ = 100μA

IQ = 1mA

IQ = 10μA

104

103

102

10

1

-50

-25

0

25

50

75

100

125

FREE-AIR TEMPERATURE (°C)

V+ - V- = 10V

NO LOAD

NO SIGNAL

IQ = 1mA

IQ = 100μA

IQ = 10μA

-50

-25

0

25

50

75

100

125

FREE-AIR TEMPERATURE (°C)

1000

100

10

1.0

0.1

VS = ±5V

-50

-25

0

25

50

75

100

125

FREE-AIR TEMPERATURE (°C)

-75

1000

100

10

1

VSUPP = 10V

VOUT = 8V

RL = 100kΩ

IQ = 100μA

RL = 10kΩ

IQ = 1mA

RL = 1MΩ

IQ = 10μA

ICL7611, ICL7612

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ICL7612BCPAZ Datasheet(PDF) 8 Page - Intersil Corporation

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