Hitachi HA12188AF
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.| Part No. | HA12188AF |
|---|---|
| Datasheet | HA12188AF Download |
| Manufacturer |  Hitachi |
| Description | Pre-Amplifier Servo |
| Buy | Stock & Price |
DESCRIPTION
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 HA12188AF Block Diagram VCC 42 41 RS2 40 39 38 37 36 35 34 33 Mirror 32 31 30 29 Defect RS1 RFS – + Bias FOK – + 28 LDS 27 CLK 26 DATA 43 RF2 44 45 + + – RF1 – + FE Input I/F Logic 25 XLT 24 DC 23 XRST 22 SENS + – APC 46 47 + – + – + – VR Output I/F 21 COUT 20 DEFECT or DRT SLM DRIV. TR1 BAL 48 TR2 49 50 + – TM5 TM6 VR 19 SSA + – 18 VR 51 TE 52 53 54 FA 55 – + + – – + 17 TM2 TM3 TM4 THS Phase compen. TM7 TSA – + TZC – + FZC FS4 56 TM1 DS1 FLS DS2 Focus bias adj. 1 2 3 4 5 6 7 Phase compen. FPS ×2.7 TPS 16 TLS TAC DRIV. FS2 FS1 FSA – + ×2.7 15 VCC 8 9 10 + 11 12 13 14 FAC DRIV.
