CXA3010 データシートの表示（PDF） - Sony Semiconductor

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CXA3010

Read/Write Amplifier (with Built-in Filters) for FDDs

Sony Semiconductor 

CXA3010Q

Item

Symbol

Conditions

Measure- Measure-

ment circuit ment Point

Min.

Typ.

Max. Unit

X360 = Low

XHD = High

OTF = Low

(1.6M/inner track)

Peak frequency fo4 or

1

X360 = X

1.6M/

2M

inner

XHD = Low

OTF = Low

(2M/inner track)

track Peak voltage

gain∗3

Gp4

at f04

Refer to Fig. 2

1

B, C 310.5 345.0 379.5 kHz

D, E

B, C

5.9 7.8 9.4 dB

Frequency

response (1)

G41

Refer to Fig. 2

at 1/3f04

1

B, C –8.5 –8.0 –7.5 dB

Frequency

response (2)

G42

Refer to Fig. 2

at 3f04

1

∗3 Gpn = 20 log10 (VFilterout/Vpreout)

VFilterout = Filter differential output voltage

(n = 1 to 4)

B, C –36.9 –35.0 –33.4 dB

[dB]

Gpn

Gn1

Gn2

(n = 1 to 4)

1/3fon

fon

3fon

f [Hz]

Fig. 2. Filter frequency response measurement conditions

– 11 –

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