BA6387K Просмотр технического описания (PDF) - ROHM Semiconductor

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Компоненты Описание

производитель

BA6387K

Preservo amplifier for CD players

ROHM Semiconductor 

Optical disc ICs

BA6387K

!Electrical characteristics (unless otherwise noted, Ta = 25°C and VCC = 2.5V)

Parameter

Symbol Min. Typ. Max. Unit

Conditions

Quiescent current

IQ

-

8.7

12.7

mA

-

〈Bias amplifier〉

Bias voltage

VB

1.12 1.25 1.38

V

-

Maximum output high level voltage

IOH

3.0

-

-

mA Bias fluctuation below 200mV

Maximum output low level voltage

IOL

3.0

-

-

mA Bias fluctuation below 200mV

〈RF amplifier〉

Output offset voltage

VOFRF

-1.02 -0.90 -0.78

V

*

Voltage gain

GRF

21.0 24.0 27.0

dB

V8 = 0.8V, SG5 = 30mVP-P, 1kHz

Maximum output high level amplitude VOHRF

0.90 1.10

-

V

Simultaneous AC and BD input

Maximum output low level amplitude VOLRF

-

-1.10 -0.90

V

V9 = VB + 0.25V, VB-0.05V

*

Cutoff frequency

FCRF

-

6

-

MHz -3dB point

〈FE amplifier〉

Output offset voltage

VOFFE

-80

0

80

mV

*

Voltage gain AC

GFEAC

26

29

32

dB

SG5 = 30mVP-P, 1kHz

Voltage gain BD

GFEBD

26

29

32

dB

SG6 = 30mVP-P, 1kHz

Voltage gain difference

∆GFE

-3

0

3

dB

-

Maximum output high level amplitude VOHFE

0.90 1.10

-

V

Measurement with AC and BD input

Maximum output low level amplitude VOLFE

-

-1.10 -0.90

V

V9 (V10) = VB ± 0.15V

*

Frequency characteristics

FCFE

19

22

25

dB

SG5 (SG6) = 60mVP-P, 60kHz

〈TE amplifier〉

Output offset voltage

VOFTE

-80

0

80

mV

*

Voltage gain E

GTEE

27

30

33

dB

SG1 = 30mVP-P, 1kHz

Voltage gain F

GTEF

27

30

33

dB

SG2 = 30mVP-P, 1kHz

Voltage gain difference

∆GTE

-3

0

3

dB

-

Maximum output high level amplitude VOHTE

0.90 1.10

-

V

V1 = VB + 0.1V

*

Maximum output low level amplitude VOLTE

-

-1.10 -0.90

V

V2 = VB + 0.1V

*

Frequency characteristics

FCTE

19

22

25

dB

SG1 (SG2) = 60mVP-P, 60kHz

〈FOK comparator〉

Input pin 22

Threshold voltage

VTHFK

-0.42 -0.30 -0.18

V

*

Output high level voltage

VOHFK

2.0

-

-

V

V7 = VB-0.42V

Output low level voltage

VOLFK

-

-

0.5

V

V7 = VB-0.18V

Maximum operating frequency FMXFK

45

-

-

kHz

-

〈Asymmetry amplifier〉

Output offset voltage

VOFAS

-60

-

60

mV

*

Voltage gain 1

G1AS

3

6

9

dB

Input pin 22, 80mVP-P, 1kHz

Voltage gain 2

G2AS

8.5

11.5 14.5

dB

Input pin 17, 80mVP-P, 1kHz

Maximum output high level amplitude VOHAS

0.90 1.10

-

V

V7 = VB ± 0.8

Maximum output low level amplitude VOLAS

-

-1.10 -0.90

V

V6 = VB ± 0.4

*

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