KM4470IP14 Просмотр технического описания (PDF) - Fairchild Semiconductor

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производитель

KM4470IP14

Low Cost, +2.7V & +5V, Rail-to-Rail I/O Amplifiers

Fairchild Semiconductor 

KM4170, KM4270, KM4470

DATA SHEET

Typical Operating Characteristics

(Vs = +2.7V, G = 2, RL = 10kΩ to Vs/2, Rf = 5kΩ; unless otherwise noted)

Non-Inverting Freq. Response Vs = +5V

Vo = 0.2Vpp

G=2

Rf = 5kΩ

G=1

Rf = 0

Inverting Frequency Response Vs = +5V

Vo = 0.2Vpp

G = -2

Rf = 5kΩ

G = -1

Rf = 5kΩ

G = 10

Rf = 5kΩ

G=5

Rf = 5kΩ

G = -10

Rf = 5kΩ

G = -5

Rf = 5kΩ

0.01

0.1

1

10

Frequency (MHz)

Non-Inverting Frequency Response

Vo = 0.2Vpp

G=2

Rf = 5kΩ

G=1

Rf = 0

0.01

0.1

1

10

Frequency (MHz)

Inverting Frequency Response

Rf = 5kΩ

G = -2

G = -1

G = 10

Rf = 5kΩ

G=5

Rf = 5kΩ

G = -10

G = -5

0.01

0.1

1

10

Frequency (MHz)

Frequency Response vs. CL

Vo = 0.05V

CL = 100pF

Rs = 100Ω

CL = 50pF

Rs = 0Ω

CL = 20pF

Rs = 0

CL = 10pF

Rs = 0

+

Rs

-

5kΩ

CL RL

5kΩ

0.01

0.1

1

10

Frequency (MHz)

Large Signal Frequency Response

Vs = 5V

Vo = 1Vpp

Vo = 4Vpp

Vo = 2Vpp

0.01

0.1

1

10

Frequency (MHz)

0.01

0.1

1

10

Frequency (MHz)

Frequency Response vs. RL

RL = 1kΩ

RL = 200Ω

RL = 50Ω

RL = 10kΩ

0.01

0.1

1

10

Frequency (MHz)

Open Loop Gain & Phase vs. Frequency

140

|Gain|

120 RL = 10kΩ

|Gain|

No load

Vs = 5V

100

80

60

0

40

-45

20

-90

0

Phase

RL = 10kΩ

Phase

No load

-135

-20

-180

100 101 102 103 104 105 106 107 108

Frequency (Hz)

REV. 5 December 2002

5

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