DataSheet26.com

HA12188AF PDF даташит

Спецификация HA12188AF изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Pre-Amplifier and Servo IC for Quadruple-Speed CD-ROM».

Детали детали

Номер произв HA12188AF
Описание Pre-Amplifier and Servo IC for Quadruple-Speed CD-ROM
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

30 Pages
scroll

No Preview Available !

HA12188AF Даташит, Описание, Даташиты
HA12188AF
Pre-Amplifier and Servo IC for Quadruple-Speed CD-ROM
ADE-207-183(Z)
1st. Edition
October 1995
Description
The typical values of built-in capacitances in this IC are reduced 10% compared with those in IC
HA12188F. The values of Electrical Characteristics of this IC are same as those of IC HA12188F.
Functions
RF amplifier
Focus error amplifier
Tracking error amplifier
FOK detector
Mirror detector
Defect detector
APC amplifier
Focus, tracking, and sled servo control
Inner/outer direction detector
Features
Built-in variable resistors for adjusting tracking error EF balance, tracking gain, and focus gain
Single power supply
Supports double and quadruple speeds
Few external components
FP-56 package









No Preview Available !

HA12188AF Даташит, Описание, Даташиты
HA12188AF
Block Diagram
VCC
42 41
40
RS2
39 38 37
RS1 RFS
–+
36 35
Bias
+ RF1
43
RF2
+
44
45
APC
46
+
47
+
+ TR1
48
TR2 BAL
+
49
VR
+
FE
VR
50
VR
51
–+
TE
52
53 +
54
FA
55
56
TZC
+
FS4
FZC
+
Focus
bias
adj.
DS1
DS2
FS2
FLS
Phase
compen.
FS1
FSA
FPS – +
×2.7
1 2 34 5 6 7 8
9 10
34 33
32 31 30 29
Mirror
FOK
+
Defect
Logic
Input
I/F
Output
I/F
28 LDS
27 CLK
26 DATA
25 XLT
24 DC
23 XRST
22 SENS
21 COUT
20 DEFECT
or DRT
SLM
DRIV.
TM5 TM6
19
SSA
+–
18
Phase
THS compen.
TM2
TM3 TM4
17
TM7 TSA
TM1
TPS
TLS
–+
16
TAC
DRIV.
11 12
×2.7
13 14
15 VCC
FAC
DRIV.
• The states of the IC’s internal switches at XRST = “L” are shown at block diagram.
• The black dot symbol of transfer switch shows on state.
• The symbols “ ” mean connecting to VCC.
• The symbols “ ” mean connecting to pin 45.
Rev.1, Oct. 1995, page 2 of 35









No Preview Available !

HA12188AF Даташит, Описание, Даташиты
Pin Descriptions and Equivalent Circuits
Pin No. Symbol Equivalent Circuit
1 FH
470 k
3 TH
2 TSI
56 FSI
4 FLS
5 FLS
6 SGND —
7 FPS
90 k
30 k
8 FPS
9 FSA
10 FS1
20 k
11 TLS
20 k
33 k
HA12188AF
Function
Focus error hold signal output
Tracking error hold signal output
Tracking servo input
Focus servo input
Focus-servo low-frequency filter
resistor & capacitor connection
(FLS on)
Focus-servo low-frequency filter
capacitor connection (FLS off)
Servo ground
Resistor connection for programming
focus-servo phase compensation
(FPS off)
Resistor connection for programming
focus-servo phase compensation
(FPS on)
Focus servo output
FS1 voltage output
Tracking servo low-frequency filter
capacitor connection (TLS off)
Rev.1, Oct. 1995, page 3 of 35










Скачать PDF:

[ HA12188AF.PDF Даташит ]

Номер в каталогеОписаниеПроизводители
HA12188AFPre-Amplifier and Servo IC for Quadruple-Speed CD-ROMHitachi Semiconductor
Hitachi Semiconductor

Номер в каталоге Описание Производители
TL431

100 мА, регулируемый прецизионный шунтирующий регулятор

Unisonic Technologies
Unisonic Technologies
IRF840

8 А, 500 В, N-канальный МОП-транзистор

Vishay
Vishay
LM317

Линейный стабилизатор напряжения, 1,5 А

STMicroelectronics
STMicroelectronics

DataSheet26.com    |    2020    |

  Контакты    |    Поиск