AN8783SB Datasheet, PDF (2/7 Pages) Panasonic Semiconductor – 4-channel linear driver IC for CD/CD-ROM drive

AN8783SB
s Block Diagram
ICs for Compact Disc/CD-ROM Player
1/2 PV_CC
19
PGND1
Reset
28 _SVCC
Thermal
protect
Fin _mSoVnCitCor
V_REF
monitor
ch. 1
Direction
det.
current
amp.
BTL linear
driver ch. 2
ch. 2
Control
logic
Comp.
BTL linear
driver ch. 3
ch. 3
Absolute
V-l
direction
det.
BTL linear
driver ch. 4
ch. 4
Absolute
V-l
direction
det.
11 _PGND2
7
2
22 _VREF
s Pin Descriptions
Pin No.
Description
1
PC1 (power cut) input pin
2
Driver-3 phase compensation pin
3
Driver-3 input pin
4
Driver-4 input pin
5
Driver-3 feedback pin
6
Driver-4 feedback pin
7
Driver-4 phase compensation pin
8
Driver-4 current feedback power supply pin
9
Driver-4 reverse rotation output pin
10
Driver-4 forward rotation output pin
11
Driver-2, driver-4 GND pin
12
Driver-3 reverse rotation output pin
13
Driver-3 current feedback power supply pin
14
Driver-3 forward rotation output pin
15
Driver-2 forward rotation output pin
Pin No.
16
17
18
19
20
21
22
23
24
25
26
27
28
Fin
Description
Driver-2 power supply pin
Driver-2 reverse rotation output pin
Driver-1 reverse rotation output pin
Driver-1 GND pin
Driver-1 forward rotation output pin
Driver-1 power supply pin
V_REF input pin
Driver-1 input pin
Driver-2 input pin
Driver-2 output voltage adjustment pin
PC2 (power cut) input pin
N.C.
Power supply pin
GND pin
2