TDA5345HT Datasheet, PDF (9/44 Pages) NXP Semiconductors – 5 V spindle & VCM driver combo

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
R_sense
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