CMD4504
5-CH Motor Drive IC
Pin Assignments
VOFC- VOFC+ VOTK- VOTK+ VCC2 MUTE BIAS
28 27 26 25 24 23 22
VINSP VINSL VCC1 VOSL+ VOSL- VOSP+ VOSP-
17
16
15
21
20
19
18
CMD4504
10
12
13
VOTR+ VOTR-
11
14
1
2
3
4
5
6
7
8
9
VINFC CFCerr1 CFCerr2 VNFFC VNFTK CTKerr1 CTKerr2
GND VINTK VCTL FWD
REV
Pin Definitions
NO SYMBOL
FUNCTION
Input for focus driver
NO SYMBOL
15 VOSP-
FUNCTION
Spindle driver output (-)
1
VINFC
Connection of capacitor for the
error amp filter
Connection of capacitor for the
error amp filter
2
CRCerr1
16 VOSP+
17 VOSL-
Spindle driver output (+)
3
CRCerr2
Sled driver output (-)
Sled driver output (+)
Vcc for pre-driver block and
power block of sled and tray
4
5
VNFFC
VNFTK
Focus driver feedback pin
18 VOSL+
19 VCC1
Input for tracking driver
Connection of capacitor for the
error amp filter
Connection of capacitor for the
error amp filter
6
7
CTKerr1
CTKerr2
20 VINSL
21 VINSP
OPAMP input for the sled driver
Input for spindle driver
8
9
GND
VINTK
Ground
22 BIAS
23 MUTE
Input for reference voltage
Input for mute control
Vcc for power block of spindle,
tracking and focus
Feedback for tracking driver
Speed control input of tray
driver
10 VCTL
24 VCC2
11 FWD
12 REV
13 VOTR+
14 VOTR-
Tray driver forward input
Tray driver reverse input
Tray driver output (+)
Tray driver output (-)
25 VOTK+
26 VOTK-
27 VOFC+
28 VOFC-
Tracking driver output (+)
Tracking driver output (-)
Focus driver output (+)
Focus driver output (-)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525
Fax:886-3-3521052
Http: www.ceramate.com.tw
Page 2 of 6
Rev 1.0 May 22, 2003
CERAMATE [ CERAMATE TECHNICAL ]
