MIC920(2001) 查看數據表（PDF） - Micrel

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MIC920
(Rev.:2001)

80MHz Low-Power SC-70 Op Amp

Micrel 

MIC920

Test Circuits

V+

10µF

BNC

Input

10k

BNC

Input

50Ω 0.1µF

0.1µF

10k

10k

50Ω

2k

3

5

MIC920 4

1

2

0.1µF

BNC

Output

50Ω 0.1µF

All resistors:

1% metal film

10µF

V–

PSRR vs. Frequency

Micrel

V+

R2

5k 10µF

BNC

Input

R1 5k

R7c 2k

R7b 200Ω

R7a 100Ω

All resistors 1%

3

5 0.1µF

MIC920 4

1

2 0.1µF

R6

5k R3

R5

200k 5k

R4

250Ω

10µF

V–

VOUT

= VERROR

1+

R2

R1

+ R2 + R5

R7

+ R4 

CMRR vs. Frequency

BNC

Output

100pF V+

R2 4k

10pF

10µF

R1

20Ω

R3 27k

3

5 0.1µF

S1

MIC920 4

BNC

S2

1

R5

R4 27k

20Ω

2 0.1µF

10pF

10µF

V–

Noise Measurement

To

Dynamic

Analyzer

V+

10µF

0.1µF

3

5

MIC920 4

VIN

1

2

0.1µF

50Ω

1k

300Ω

CL

VOUT

FET Probe

10µF

V–

Closed Loop Frequency Response Measurement

MIC920

4

December 2001

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