TDA5345HT 데이터 시트보기 (PDF) - Philips Electronics
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TDA5345HT Datasheet PDF : 44 Pages
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Philips Semiconductors
5 V spindle & VCM driver combo
Preliminary specification
TDA5345HT
(ext.)
19
VcmCompenIn
6-bit
DAC
(current)
20
VcmInput
49
VcmDacOut
VcmRef
18
12-bit
DAC
(voltage)
1 1.5V
17
VcmCompensOut
SpinRectBemf
2
4 VcmVddM
+ 2.5
6 VcmMinus
-2.5
9
Rsense
VcmGnd
VcmVddP
(ext.)
14 VCM
11
VcmPlus
VDD
26KΩ
1
26KΩ
3
21
VcmVdd5Div2
22
VcmSenseInM
23
VcmSenseInP
Fig.5 VCM section diagram.
(ext.)
1999 June 10
9
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