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TDA5345HT Datenblatt(PDF) 4 Page - NXP Semiconductors

Teilenummer TDA5345HT
Bauteilbeschribung  5 V spindle & VCM driver combo
PDF  44 Pages
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Hersteller  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA5345HT Datenblatt(HTML) 4 Page - NXP Semiconductors

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1999 June 10
4
Philips Semiconductors
Preliminary specification
5 V spindle & VCM driver combo
TDA5345HT
GENERAL BLOCK DIAGRAM
Spindle
drivers
Vcm
AB class
drivers
12-bit
DAC
reference
generator
Power On Reset
Thermal
monitor
commutation
manager
Retract
Shock
sensor
amplifier
brake
SpinMotA
SpinMotB
SpinMotC
VcmMinus
VcmPlus
SpinSpeedFilter
VcmDacOut
VcmCompensIn
ShockCompOut
ShockFiltOut
PumpNeg3V
RegNPNBase
RegSense
TempMux
PorN
PorCap
Por5Adj
PowerFault
SCLK
SDATA
SEN_N
CLOCK
VcmCompensOut
SpinCompens
Bemf
Comp SpinCenterTap
Current sense
Amplifier
VcmSenseInM
VcmSenseInP
(digital)
MechClock
SpinDigOut
BrakePower
Vcm
6-bit
DAC
3.3V
Regulator
Serial
interface
(digital)
Vcm
back-EMF
Amplifier
VcmBemf
+
+
Fig.1
Speed Loop
(FLL/PLL)
Charge
Pumps
Start-Up
current
limiter
3-step
& spindle
Negative
supply
regulator
Neg3V
VcmInput
(digital)
ShockInput
ShockFiltOut
RetReset
Reg3v3PwrUp
OpAmpInM
OpAmpOut



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