L6000 Просмотр технического описания (PDF) - STMicroelectronics

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Компоненты Описание

производитель

L6000

SINGLE CHIP READ & WRITE CHANNEL

STMicroelectronics 

L6000

PULSE DETECTOR AND SERVO DEMODULATOR CHARACTERISTICS (continued)

Symbol

Id

ILKG

ILKG

K4

K5

Tper

T1

Th

Tf

Tr

Parameter

HOLD CAP A/B Disch. Current

HOLD CAP A/B Leakage Cur.

SERVO BYP Pin Leakage Cur.

SERVO BYP Pin

Charge/Discharge Current

Maximum SERVO BYP Pin

Charge Current

READ DATA I/O Output Pulse

Period

READ DATA I/O Output Pulse

Low Time

READ DATA I/O Output Pulse

High Time

READ DATA I/O Output Pulse

Fail Time

READ DATA I/O Output Pulse

Rise Time

Test Condition

Absolute value

HOLDS = Low

Ibyps = K4 ⋅ [K5 -

DATAPATHApp –

DATAPATHBpp]

CL ≤ 15pF

RDIO ≤ 0.8V

RDIO ≥ 0.8V

CL ≤ 15pF, 2.0V to 0.8V

CL ≤ 15pF, 0.8V to 2.0V

Min.

0.8

–

–

450

0.70

Typ.

1.5

–

–

640

1.00

Max.

2.2

±0.5

±0.2

880

Unit

mA

µA

µA

µA/Vpp

1.30 V/V

190 300 490

µA

50

–

–

ns

9

23

33

ns

29

–

–

ns

–

–

5

ns

–

–

8

ns

PROGRAMMABLE FILTER CHARACTERISTICS

Symbol

Parameter

Test Condition

Min. Typ. Max.

Test Condition s: Vccn = 5V + 10% - 14%, Tamb = 0 to 70°C, Tj = 25 to 125°C, unless otherwise specified.

The input signals are AC coupled to FILTER and FIL TER IN. C ≥ 22nF.

FC

Filter Cutoff Frequency,

f at -3dB point

FC = 0.141732MHz *FCDAC,

6

42 ≤ FCDAC ≤ 127, FCDAC is

value of frequency DAC

–

18

FCA

Filter fc Accuracy

FCDAC = 127

– 10

–

+10

AN

FILT NORM OUT Differential Gain f = 0.67FC, FBDAC = 0

1.6

2

2.4

AD

FILT DIFF OUT Differential Gain

0.9AN – 1.1AN

FB

Frequency Boost @ FC

FB (dB) = 20log [0.0273

–

13

–

(FBDAC)+1], 0 ≤ FBDAC ≤ 127

FBDAC = 127

@6dB; FBDAC = 36

@13dB; FBDAC = 127

– 0.75 – + 0.75

–2.0

+2.0

TGDO

Group Delay Variation without

Boost

FC = 6MHz to 18MHz,

f = 0.2FC to FC FBDAC = 0

–3

–

+3

FC = 6MHz to 18MHz,

–4

–

+4

FBDAC = 0, f = FC to 1.75FC

TGDB

Group Delay Variation with

Maximum Boost

FC = 6 to 18MHz,

–3

–

+3

f = 0.2 FC to FC, FBDAC = 127

FC = 6MHz to 18MHz,

–4

–

+4

FBDAC = 127, f = FC to 1.75FC

VIF

Filter Differential Input Dynamic THD = 1% max, f = 0.67FC,

0.5

–

–

Range

FBDAC = 0

THD = 2% max, f = 0.67FC,

0.75

–

–

FBDAC = 0

RIN

Filter Diff. Input resistance

5.0

–

–

RIZ

Filter Diff. Input Resistance with Low – Z mode

Shorted Inputs

100 300 500

CIN

Filter Diff. Input Capacitance

–

–

7

Unit

MHz

%

V/V

V/V

dB

dB

dB

%

(2)

%

(2)

%

(2)

%

(2)

Vpp

Vpp

KΩ

Ω

pF

(2) Test limits under evaluation.

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