BA5995FM Rohm, BA5995FM Datasheet

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... Optical disc ICs BTL driver for CD/CD-ROM BA5995FM The BA5995FM is 4-channel BTL driver IC for driving actuator and motor of CD-ROM. Power package of HSOP-M28 pin enables to make set smaller. This IC is available for low voltage DSP Applications CD-ROM, others ! ! ! ! Features 1) Wide dynamic range. (4V (typ.) at PreV 2) Thermal shut down circuit built in ...

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... MUTE STBY PowV ch1 ch2 (ch1 Pin No BA5995FM 10k 10k 10k 10k ch3 ch4 PowV CC (ch3 / 4) 10k 10k 10k 10k LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT 10k ...

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... Optical disc ICs ! ! ! ! Input output circuits Pin 2, 24, 27 Pin 4, 5, 22, 25 10k Pin 1 30k 60k Pin 7, 20 Pin 3, 23, 26 10k BA5995FM 50k 50k 50k 50k Non inverted output Pin 12, 14, 15, 17 10k 10k Inverted output Pin 11, 13, 16, 18 Pin 6 50k 50k Resistor unit : [Ω ...

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... I =+300µ − =−1mA L − 0.1 0.3 V Input pulse 100kHz, 2V − − 2 V/µs BA5995FM =5V, V =1.65V, R =8Ω) BIAS CC L Conditions = ∞ = ∞ = ∞ = ∞ =V ±1.65V BIAS =V ±1.65V P V =12V BIAS ±0.3V ...

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... V 1M 1.65V − VOFOP VBOP OOP V IN Fig.1 BA5995FM 8Ω 8Ω 0.1µF 9 0.1µ VST2 6 VMT 5 VIN OPOUT 4 OPIN − 3 OPIN + ...

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... Optical disc ICs ! ! ! ! Application example Focus coil Sled motor 0.1µF H=ENABLE L=STANDBY 0.1µF − − − − − − − − − + − − DIGITAL SERVO Fig.2 BA5995FM Tracking coil Tray motor 0.1µF 0.1µF H=ENABLE L=STANDBY H=MUTE L=ENABLE Resistor unit : [Ω] 6/8 ...

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... Under normal operating conditions, make sure to open pin7 or pull it down below 0.5V. Next figure is high impedance mute timing chart. 2V MUTE (Pin6 OUT (Pin14-Pin13) 0.5mV pin and GND pin near as possible (approximately 0.1µF BA5995FM PreV =12V CC PowV 1=5V CC BIAS=1.65V R =8Ω L tm≤125µsec 7/8 ...

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... CC 8 BIAS=1.65V 4Ω −1.5 −1.0 −0.5 0 0.5 1.0 −2 −4 −6 −8 −10 −12 Pin4-Pin1 INPUT VOLTAGE : ( V) Fig.7 I/O characteristic (ch1) 0.25±0.1 0.1 S BA5995FM 5 Ta=25˚ 20Ω PreV =12V 4 CC 16Ω 12Ω PowV =5V CC 8Ω BIAS=1.65V 3 4Ω −1.5 −1.0 − ...