KA3031 Fairchild Semiconductor, KA3031 Datasheet
KA3031
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KA3031 Summary of contents
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... Other compact disk media ©2000 Fairchild Semiconductor International www.fairchildsemi.com Description The KA3031 is a monolithic integrated circuit suitable for a 6-ch motor driver which drives the tracking actuator, focus actuator, sled motor, tray motor, change motor and spindle motor of the CDP/CAR-CD systems. ...
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... OUT1 IN2.1 3 IN2 OUT2 IN3 IN3.2 OUT3 8 IN4.1 9 IN4 OUT4 CTL1 FWD1 REV1 CTL FWD2 REV2 SGND OPIN(+)OPIN( )OPOUT PVCC2 DO1.1 DO1 KA3031 MUTE1MUTE2 MUTE3 MUTE4 PVCC1 DO6 DO2.1 35 DO2.2 PGND3 34 DO3 DO3.2 31 PGND2 30 PGND1 29 DO4.1 DO4.2 28 DO5 DO5.2 DO6 ...
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... CH 4 mute - Power supply voltage (For drive output drive output drive output drive output drive output drive output - Power ground - Power ground drive output drive output - Power ground drive output drive output drive output drive output - Power supply voltage (For KA3031 ...
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... KA3031 Pin Definitions (Continued) Pin Number Pin Name 40 OPOUT 41 OPIN OPIN(+) 43 RES50 44 SVCC 45 REF 46 REG050 47 REG50 48 IN1.1 I/O Pin Function Description O Opamp output I Opamp input ( ) I Opamp input (+) I Regulator 5V reset - Signal supply voltage I Bias voltage input O Regulator 5V output O Regulator output opamp input (+) ...
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... MSC = Motor speed control Output driver REF SVCC RES50 OPIN(+) OPIN ALL MUTE T.S.D O.V MUTE4 MUTE3 MUTE2 MUTE1 REV2 SGND MUTE1 MUTE2 MUTE3 MUTE4 PVCC1 DO6.2 5 OPOUT PVCC2 DO1.1 DO1 KA3031 DO2.1 DO2.2 PGND3 DO3.1 DO3.2 PGND2 PGND1 DO4.1 DO4.2 DO5.1 DO5.2 DO6.1 ...
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... KA3031 Equivalent Circuits Description Pin No. Input 48 OPIN (+) OPIN ( ) Input opout CTL 12, 15 Internal circuit VCC VCC 10k 10k 4k VCC VCC 2 5 10k 8 11 25k VCC 0. 100k ...
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... Logic drive 13, 16 FWD input 14, 17 REV input CH mute 19, 20 21, 22 Logic 24, 25 drive 26, 27 output 4-CH 28, 29 drive 32, 33 output 35, 36 37, 38 Internal circuit VCC 13 6 30k 14 17 30k VCC 19 20 30k VCC 10k 20k 1k Vr VCC 10k 28 29 10k KA3031 ...
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... KA3031 Equivalent Circuits (Continued) Description Pin No. Normal 40 opout Normal 42 OPIN(+) 41 OPIN( ) Ref 45 Internal circuit VCC VCC VCC VCC 41 5k VCC 0. ...
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... Equivalent Circuits (Continued) Description Pin No. RES50 43 REG050 46 REG50 47 Internal circuit VCC 50k 43 50k VCC 2k 41 10k 10k VCC VCC 53k 47 10k 9 KA3031 2k ...
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... KA3031 Absolute Maximum Ratings ( Parameter Maximum supply voltage Power dissipation Operating temperature Storage temperature Maximum output current NOTE: 1. When mounted on 70mm 70mm 2. Power dissipation reduces 16mW / C for using above Ta= not exceed Pd and SOA. Power Dissipation Curve Pd (mW) 3,500 2,500 1,500 Recommended Operating Conditions ( ...
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... =8V OM1 =13V, R =24 OM2 =0. RMS RR V =0.1V , f=120kHz IN RMS SR Square, Vout=2Vp-p, f=120kHz V - OF1 =50 OH1 =50 OL1 75dB, f=1kHz SINK1 20dB, f=120kHz IN GV Square, Vout=2Vp-p, f=120kHz O1 RR1 V = 20dB, f=1kHz IN SR1 - CMRR1 - 11 KA3031 Min. Typ. Max. Units +50 mV 4 300 nA 6 6.8 ...
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... KA3031 Electrical Characteristics (Continued) (SV =PV =PV =8V, Ta=25 C, unless otherwise specified) CC CC1 CC2 Parameter INPUT OPAMP PART Input offset voltage Input bias current High level output voltage Low level output voltage Output sink current Output source current I Open loop voltage gain Slew rate ...
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... The TSD circuit is temperature hysteresis 25 C. • Under voltage lockout (UVLO) and over voltage protection (OVP designed to mute-operate the internal bias by the function of UVLO and OVP, when the power supply voltage falls below 3.5[V] or above 20[V]. Below 0.5[V] Mute function operation Above 2[V] Normal operation 13 KA3031 ...
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... The regulator output voltage (pin 46) is decided as follows. Vout = 2 2.5 = 5[V] (where R1 = R2) • When the voltage of pin 43 (Vreset 5[V], the regulator output voltage (pin 46) because 5[V]. If the voltage of pin 43 is 0[V], the output voltage of pin 46 because 0[V]. KSB772 REG OUT + Vreset 2. KA3031 Figure 1. Regulator circuit ...
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... If you desire to change the gain, the input buffer amplifier (BF) can be used. • The output stage is the balanced transformerless (BTL) driver. • The bias voltage Vr is expressed as below; V – --------------------------- - Rfeed2 Rfeed2 AP2 AP3 - Vr IC Rref2 Rref2 + SHIFT LEVEL Rfeed1 AP1 + 45 Rref1 Vref Vin KA3031 ...
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... KA3031 6. TRAY, CHANGE MOTOR DRIVE PART • Rotational direction control The forward and reverse rotational direction is controlled by FWD (pin 13, 16) and REV (pin 14, 17) input conditions are as follows. INPUT FWD REV • where Vr is (Vcc - Vbe 3.65V (at Vcc=8V) • where Out1 pins are pins 24 and 26, and out2 pins aer pins 25 and 27 • ...
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... Temp=25 C 2.0 RL=8 0 Vcc(V) Avf(dB) 10.9 10.8 10.7 10.6 10.5 Vcc=8V Temp=25 C 10.4 RL=8 Vin= Var. 10 <Temp vs Icc> Vcc=8V Temp= Var. - Temp( C) <Vcc vs Avf> Vcc=Var. Temp=25 C RL=8 Vin=0.1Vrms f=1KHz <Temp vs Avf> Vcc=8V temp= Var. RL=8 Vin=0.1Vrms f=1KHz - Temp( C) KA3031 Vcc(V) 80 ...
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... KA3031 Typical Performance Characteristics (Continued) Vom(V) <Temp vs Vom> 5.52 5.50 5.48 5.46 5.44 5.42 5.40 5.38 5.36 5.34 5.32 -30 - Tray, Change drive part Vo (V) <Vcc vs Vo> 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 (V) <Vctl vs Vo> 7.0 6.0 5.0 4 ...
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... Vcc=Var. 20.0 Temp=25 C RL=50 10.0 0 Vcc(V) Isou1(mA) 59.0 58.0 57.0 56.0 55.0 Vcc=Var. 54.0 Temp=25 C RL=1K 53.0 Vin=100uVp_p 52.0 f=1KHz 51.0 -30 - Vcc(V) 19 <Temp vs Vreg> Vcc=8V Temp=Var. IL=100mA Temp ( C) <Vcc vs Isink> Vcc=Var. Temp=25 C RL= <Temp vs Isource> Vcc=8V Temp=Var. RL= Temp ( C) KA3031 80 13 Vcc(V) 80 ...
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... KA3031 Typical Performance Characteristics (Continued) Isink1(mA) <Temp vs Isink> 60.0 50.0 40.0 30.0 20.0 10.0 0.0 -30 - Input Op Amp part Isou2(uA) <Vcc vs Isource> 2500 2000 1500 1000 500 GVo2(uA) <Vcc vs Open loop voltage gain> Vcc=8V temp=VAR RL= Temp ( C) Isink2(uA) 1600 1400 1200 1000 800 600 Vcc=Var ...
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... CTL1 IN1A IN1B CTL2 IN2A IN2B opamp part OPIN(+) SW3 All V Vref CC mute 2.5V KSB772 ~ Ripple + 100 1000 SW1 33 F Vreset KA3031 OPIN SW7 DO2 DO2.2 PGND3 34 DO3 DO3 PGND2 30 PGND1 DO4 DO4.2 DO5 DO5.2 26 DO6 OPOUT SW5 SW6 KA3031 IL IL ...
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... PRE AMP] Notes: Radiation pin is connected to the internal GND of the package. Connect the pin to the external GND. KSB772 + Vreset OUT1 3 IN2.1 4 IN2.2 5 OUT2 6 IN3.1 KA3031 7 IN3.2 OUT3 8 9 IN4.1 10 IN4.2 11 OUT4 TRAT CONTROL CHANGE Where TY is tray motor. INPUT TY CG INPUT ...
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... CONTROL CHANGE Where TY is tray motor. INPUT TY CG INPUT CG is change motor [CONTROLLER] 23 VCC FOCUS DO2.1 36 TRACKING DO2.2 35 PGND3 34 DO3.1 33 SPINDLE M DO3 PGND2 30 PGND1 DO4 SLED DO4.2 28 DO5 TRAY DO5.2 26 DO6 CHANGE SLED MUTE SPINDLE MUTE TRACKING MUTE FOCUS MUTE KA3031 ...
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... KA3031 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ...