CXA3031Q 查看數據表（PDF） - Sony Semiconductor

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CXA3031Q

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

Sony Semiconductor 

CXA3031Q

Read System

(Ta = 25°C, VCC = 5V)

Item

Symbol

Conditions

Measure- Measure-

ment circuit ment Point

Min.

Typ.

Max.

Unit

X360 = X, XHD = High

(1M mode)

1

Time domain filter

monostable

multivibrator pulse

T1

width

X360 = Low, XHD = Low

(1.6M mode)

or

X360 = High, XHD = Low

1

(2M mode) Refer to Fig. 1

A, F 2.25 2.5 2.75 µs

A, F 1.13 1.25 1.38 µs

Read data pulse width T2

Refer to Fig. 1

1

A

260 400 540

ns

Read data output low

output voltage

VOL

IOL = 2mA

1

A

— — 0.5

V

Read data output

high output voltage

Read data output∗1

rise time

Read data output∗1

fall time

VOH

tr

tf

IOH = –0.4mA

RL = 2kΩ

CL = 20pF

RL = 2kΩ

CL = 20pF

1

A

2.8 — —

V

1

A

— — 100 ns

1

A

— — 100 ns

Peak shift∗2

VI = 0.25mVp-p to

3.5mVp-p

XHG = Low, XHD = Low

PS OTF = Low, X360 = High

1

f = 125kHz, 2M/

inner track mode

Refer to Fig. 1

A

—— 1

%

∗1 Read data output: 0.5V to 2.4V

∗2 Signal input level

Low gain/outer track: VI = 0.5mVp-p to 10mVp-p

Low gain/inner track: VI = 0.5mVp-p to 7mVp-p

High gain/outer track: VI = 0.25mVp-p to 5mVp-p

High gain/inner track: VI = 0.25mVp-p to 3.5mVp-p

–8–

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