AD549K datasheet(5/12 Pages) AD

部品番号	AD549K

部品情報	Ultralow Input Bias Current Operational Amplifier

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AD549

REV. A

–5–

POWER SUPPLY VOLTAGE

± V

50

0

5

10

15

20

40

35

20

30

25

45

Figure 10. Input Bias Current

vs. Supply Voltage

FREQUENCY – Hz

100

80

60

40

–40

10

100

1k

10k

100k

1M

10M

20

0

–20

100

80

60

40

–40

20

0

–20

Figure 13. Open-Loop

Frequency Response

FREQUENCY – Hz

160

140

120

80

40

10

100

1k

10k

60

100

20

Figure 11. Input Voltage Noise

Spectral Density

FREQUENCY – Hz

40

35

30

20

10

100

1k

10k

100k

1M

15

25

5

0

Figure 14. Large Signal

Frequency Response

SOURCE RESISTANCE –

Ω

100k

1M

10M

100M

1G

10G 100G

1k

100

0.1

10

1

10k

RESISTOR

JOHNSON NOISE

WHENEVER JOHNSON NOISE IS GREATER THAN

AMPLIFIER NOISE, AMPLIFIER NOISE CAN BE

CONSIDERED NEGLIGIBLE FOR THE APPLICATION

1kHz BANDWIDTH

10Hz

BANDWIDTH

AMPLIFIER GENERATED NOISE

Figure 12. Noise vs. Source

Resistance

FREQUENCY – Hz

100

80

60

40

10

100

1k

10k

100k

1M

10M

20

0

–20

Figure 15. CMRR vs. Frequency

FREQUENCY – Hz

120

100

80

60

–20

10

100

1k

10k

100k

1M

10M

40

20

0

+ SUPPLY

– SUPPLY

Figure 16. PSRR vs. Frequency

SETTLING TIME – µs

10

5

0

–5

–10

0

1

2

3

4

5

5mV

10mV

1mV

5mV

10mV

Figure 17. Output Voltage

Swing and Error vs.

Settling Time

同様の部品番号 - AD549K

メーカー	部品番号	データシート	部品情報
Analog Devices	AD549KH	1Mb / 20P	Ultralow Input Bias Current Operational Amplifier Rev. H
	AD549KHZ	1Mb / 20P	Ultralow Input Bias Current Operational Amplifier Rev. H
	AD549KHZ	1Mb / 19P	Ultralow Input Bias Current Operational Amplifier

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同様の説明 - AD549K

メーカー	部品番号	データシート	部品情報
Analog Devices	AD549	1Mb / 20P	Ultralow Input Bias Current Operational Amplifier Rev. H
Analog Devices	AD549	1Mb / 19P	Ultralow Input Bias Current Operational Amplifier
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Analog Devices	OP297	323Kb / 16P	Dual Low Bias Current Precision Operational Amplifier Rev. F
Analog Devices	OP297	266Kb / 12P	Dual Low Bias Current Precision Operational Amplifier REV. E
Burr-Brown (TI)	OPA129	640Kb / 7P	Ultra-Low Bias Current Difet OPERATIONAL AMPLIFIER
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Analog Devices	OP297	191Kb / 16P	Dual Low Bias Current Precision Operational Amplifier REV. D