L6275 datasheet(7/17 Pages) STMICROELECTRONICS

部品番号	L6275

部品情報	5V DISK DRIVE SPINDLE & VCM, POWER & CONTROL ?쏞OMBO?

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Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

CURRENT SENSE AMPLIFIER

IBIAS

Input Bias Current

2

µA

Av

Voltage Gain

3.8

4.0

4.2

V/V

dVo/dt

Output Slew Rate

20

V/

µs

SERIAL PORT

Symbol

Parameter

Min.

Typ.

Max.

Unit

TSCK

SCLK Period

40

ns

TCKL

SCLK low time

15

ns

TCKH

SCLK high time

15

ns

TSDENS

Enable to SCLK

35

ns

TSDENH

SCLK to disable

20

ns

TDS

Data set-up time before rising edge SCLK

10

ns

TDH

Data Hold Time

10

ns

TSDENL

Minimum SDEN Low Time

50

ns

TSDV

SCLK falling edge (A6) to SDATA valid on READ op.

3

10

ns

TSDV

SCLK rising edge (D0-D7) to SDATA Transition on READ op.

5

35

ns

ELECTRICAL CHARACTERISTICS (Continued)

0A0

A1

1st Byte

2nd Byte

A6

D0

D1

D2

D7

SDEN

SCLK

SDATA

SERIAL PORT WRITE TIMING

SERIAL PORT READ TIMING

1A0

A1

1st Byte

2nd Byte

D98IN844

A6

D0

D1

D2

D7

SDEN

SCLK

SDATA

Figure 1. Serial Port Timing Information.

L6275

7/17

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