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W43023 Datasheet(Hoja de datos) 2 Page - List of Unclassifed Manufacturers

No. de Pieza. W43023
Descripción  4-Channel BTL Motor Driver for CD-ROM
Descarga  9 Pages
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Fabricante  ETC2 [List of Unclassifed Manufacturers]
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Pin Descriptions
Pin No.
Pin name
Function
1
VINFC
Focus drive input
2
CFCerr1
For connection of capacitor for the error amp filter
3
CFCerr2
For connection of capacitor for the error amp filter
4
VINSL +
Op-amp input (+) for the sled driver
5
VINSL -
Op-amp input (-) for the sled driver
6
VOSL
Op-amp output for the sled driver
7
VNFFC
Focus driver feedback pin
8Vcc
Vcc
9
PVcc1
Power Vcc for sled driver block
10
PGND
Ground for Sled driver block
11
VOSL -
sled driver output (-)
12
VOSL +
sled driver output (+)
13
VOFC -
Focus driver output (-)
14
VOFC +
Focus driver output (+)
15
VOTK +
Tracking driver output (+)
16
VOTK -
Tracking driver output (-)
17
VOLD +
Loading driver output (+)
18
VOLD -
Loading driver output (-)
19
PGND
Ground for Actuator driver block
20
VNFTK
Tracking driver feedback pin
21
PVcc2
Power Vcc for Actuator driver block
22
GND
Ground
23
VINTK
Loading driver input
24
CTKerr2
For connection of capacitor for the error amp filter
25
CTKerr1
For connection of capacitor for the error amp filter
26
VINTK
Tracking driver input
27
BIAS
Bias input
28
MUTE
Mute control
Notes: The indicated polarities for the output pins are for when all inputs are (+).
The output H bridge supply pins are PVcc1 for the loading channel, PVcc2 for the focus, tracking
channels, and Vcc for the pre-block and sled channel. Always ensure that Vcc≧PVcc1,2.
PinOut
W43023
W43023
WAFER WIN
4-Channel BTL Motor Driver for CD-ROM
* All specs and applications shown above subject to change without prior notice.
Page 2 of 9
Rev 1.0 Sep. 13,2005




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