3028A 参数 Datasheet PDF下载

CA3028A

Test Circuits

(Continued)

V

CC

10Ω

1kΩ LOAD

8

7

INPUT

50Ω

ICUT

3

5

1kΩ

0.01µF

2kΩ

0.001µF

0.01µF

1

6

OUTPUT

10µH

FIGURE 9. TRANSFER CHARACTERISTIC (VOLTAGE GAIN) TEST CIRCUIT (10.7MHz) DIFFERENTIAL AMPLIFIER CONFIGURATION

Typical Performance Curves

QUIESCENT OPERATING CURRENT (mA)

POSITIVE DC SUPPLY VOLTS (V

CC

)

NEGATIVE DC SUPPLY VOLTS (V

EE

)

DIFFERENTIAL AMPLIFIER CONFIGURATION

75.0

INPUT BIAS CURRENT (µA)

62.5

50.0

37.5

25.0

12.5

V

CC

= +12V

V

EE

= -12V

3.5

V

EE

= -12V

V

CC

= +6V

V

EE

= -6V

2.5

V

EE

= -9V

0

-75

-50

-25

0

25

50

75

TEMPERATURE (

o

C)

100

125

1.5

-75

-50

-25

0

25

50

75

TEMPERATURE (

o

C)

100

125

FIGURE 10. INPUT BIAS CURRENT vs TEMPERATURE

FIGURE 11. QUIESCENT OPERATING CURRENT vs

TEMPERATURE

6