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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TDA5345HT датащи(PDF) 5 Page - NXP Semiconductors |
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TDA5345HT датащи(HTML) 5 Page - NXP Semiconductors |
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5 / 44 page  1999 June 10 5 Philips Semiconductors Preliminary specification 5 V spindle & VCM driver combo TDA5345HT PINNING (GREY ROWS MEANS NEW PINS)) SYMBOL PIN # DESCRIPTION I/O SpinVddA 1 spindle MotA half bridge power supply I SpinRectBemf 2 spindle “Clamp”: rectified Bemf O SpinMotA 3 spindle power output: A O VcmVddM 4 VCM- half bridge power supply SUPPLY SpinGndAB 5 spindle MotA & MotB half bridges ground GROUND VcmMinus 6 VCM inverted power output (VCM-) O n.c.1 7 not connected ; connect it to ground GROUND SpinMotB 8 spindle power output: B O VcmGndPow 9 VCM H-bridge ground GROUND SpinVddBC 10 spindle MotC & MotB half bridges power supply I VcmPlus 11 VCM non-inverted power output O n.c.2 12 not connected; connect it to ground GROUND SpinMotC 13 spindle power output: C O VcmVddP 14 VCM+ half bridge power supply SUPPLY SpinGndC 15 spindle MotC half bridge ground GROUND GNDAna1 16 analog ground GROUND VcmCompensOut 17 VCM error amplifier output O VcmRef 18 VCM loop reference voltage (1.5 V) O VcmCompensIn 19 VCM error amplifier inverted input I VcmInput 20 VCM loop input I VcmVdd5Div2 21 internal Vdd5/2 reference voltage for the VCM I/O VcmSenseInM 22 VCM sense amplifier inverted input I VcmSenseInP 23 VCM sense amplifier non-inverted input I Vdd5Ana1 24 analog power supply SUPPLY PorN 25 power On Reset output O PorCap 26 external capacitor used to set the Power On Reset delay O BdGap 27 internal band-gap reference voltage (for production trimming) I Por5Adj 28 5 V power on reset threshold adjustment I VcmBemf 29 VCM Back-Emf amplifier output O OpAmpInM 30 VCM Back Emf Operational Amplifier inverted input I OpAmpOut 31 VCM Back Emf Operational Amplifier output O GNDAna2 32 analog ground GROUND RefCurRes 33 external 33 k Ω resistor O Reg3v3PwrUp 34 hardware enable / disable for the 3.3 V regulator (at Power Up) I PumpNeg3 V 35 -3 V regulator pump capacitor O Neg3 V 36 -3 V regulator output sense pin I PowerFault 37 battery low warning O CLOCK 38 digital timing clock I SDATA 39 serial port Data line I Vdd5Dig 40 digital power supply SUPPLY |
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