KA9258BD Fairchild Semiconductor, KA9258BD Datasheet
KA9258BD
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KA9258BD Summary of contents
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... Compact Disk Player (CDP) • Video Compact Disk Player (VCD) • Automotive Compact Disk Player • Other Compact Disk Media ©2003 Fairchild Semiconductor Corporation www.fairchildsemi.com Description The KA9258D is a monolithic integrated circuit, suitable for 4-CH motor driver which drives tracking actuator, focus actuator, sled motor and spindle motor of compack disk player system ...
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KA9258D(KA9258CD) Pin Assignments FIN KA9258D FIN ...
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Pin Definitions Pin Number Pin Name 1 DO1.1 2 DO1.2 3 DI1.1 4 DI1.2 5 REG 6 REO 7 MUTE 8 GND1 9 DI2.1 10 DI2.2 11 DO2.1 12 DO2.2 13 GND2 14 OPOUT 15 OPIN(-) 16 OPIN(+) 17 DO3.1 ...
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KA9258D(KA9258CD) Internal Block Diagram 10K 10K 2.5V 10K 10K FIN 23 22 TSD 4-CH BTL Driver Output 10K 10K FIN 10K ...
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Equivalent Circuits Driver Input VCC 10k 2.5V 100 Regulator VCC VCC 50 5 Mute Input VCC 50 50k VCC 53k 23k 10k 100k 50k KA9258D(KA9258CD) Driver Output 11.8k 1 ...
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KA9258D(KA9258CD) Equivalent Circuits (Continued) OP-AMP Output VCC VCC OP-AMP Input VCC VCC VCC 50 50 4.8k 4.8k 16 ...
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Absolute Maximum Ratings (Ta = 25°C) Parameter Supply Voltage Power Dissipation Operating Temperature Storage Temperature Maximum Output Current Note: When mounted on 76.2mm × Power dissipation reduces 13.6mW not exceed Pd and SOA (Safe Operating Area). ...
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KA9258D(KA9258CD) Electrical Characteristics (Ta = 25°C) (Ta=25°C, V =8V, R =8Ω, f=1kHz, unless otherwise specified Parameter REGULATOR PART Regulator Output Voltage Load Regulation Line Regulation DRIVER PART (EXCEPT FOR LOADING MOTOR DRIVER) Quiescent Circuit Current (Note1) Input Offset ...
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Application Information 1. Mute Function Pin 7 Mute circuit High Mute-off Low Mute-on Open Mute-on • When the mute (pin 7) is high level, the bias circuit of BTL driver is activated. On the other hand, when the mute (pin7) ...
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KA9258D(KA9258CD) 4. Balanced Transformerless(BTL) Driver V REF 23 3 10K 4 BTL Driver • The voltage the reference voltage given by the bias voltage of the pin #23. REF • The input signal through the pin #3 ...
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Typical Performance Characteristics • Test contrions:V =2.5[V], Mute : OFF REF Figure 1. V vs. AVF CC Figure Figure =8[ Ω] R LOAD At mute on MUTE =4[ Ω] R ...
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KA9258D(KA9258CD) Test Circuits 0 0 SW8 1 SW9 4Ω V 8Ω SW10 SW13 8Ω 4Ω 4Ω SW11 SW12 50kΩ 50kΩ OPI + 470µF 1MΩ 10µF PC-V SW17 + V 10kΩ ...
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Application Circuits SLED BIAS TEACKING Servo Pre-amp FOCUS SPINDLE Focus Actuator VCC KSB772 Mute Spindle M Motor KA9258D(KA9258CD) Tracking Actuator VCC Sled M Motor 13 ...
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... KA9258D(KA9258CD) 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. ...