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參數(shù)資料
| 型號： | TDA5345HT |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 運動控制電子 |
| 英文描述： | 5 V spindle & VCM driver combo |
| 中文描述： | DISK DRIVE MOTOR CONTROLLER, 2 A, PQFP64 |
| 封裝： | LOW PROFILE, PLASTIC, TQFP-64 |
| 文件頁數(shù)： | 6/44頁 |
| 文件大小： | 213K |
| 代理商： | TDA5345HT |
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1999 June 10
6
Philips Semiconductors
Preliminary specification
5 V spindle & VCM driver combo
TDA5345HT
SCLK
SEN_N
SpinMechClock
SpinDigOut
RetReset
RegNPNBase
RegSense
GndDig
VcmDacOut
ShockRef
ShockFiltOut
ShockCompOut
ShockCom
ShockAmpOut
ShockInput
Vdd5Ana2
TempMux
SpinSpeedFilter 58
SpinCompens
BrakePower
SpinCenterTap
RetPmosDrain
IsoSwSo
GNDAna3
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
serial port Clock
serial port ENABLE line: active low
spindle rotation speed (1 pulse / revolution)
spindle back-EMF comparator output or commutation clock
external capacitor used to reset the retract sequence state machine
3v3 DC-DC converter output (drives an external NPN)
3v3 DC-DC converter input
digital ground
12-bit VCM DAC output
shock sensor reference voltage
shock sensor RC low pass filter output
shock sensor comparator output
shock sensor input common mode
shock sensor amplifier output
shock sensor input
analog power supply
internal thermal monitor circuitry voltage output
external FLL/PLL speed loop filter
spindle current loop compensation capacitor
external capacitor to supply the spindle brake at power down
spindle centre tap connection
retract Pmos transistor drain connection
spindle power outputs supply
analog ground
I
I
O
O
I
O
I
GROUND
O
O
O
O
I
O
I
SUPPLY
O
O
O
I
I
O
SUPPLY
GROUND
59
60
61
62
63
64
SYMBOL
PIN #
DESCRIPTION
I/O
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| TDA5360UK | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Pre-Amplifier for Hard Disk Drive with MR-Read / Inductive Write Heads |
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