5-channel BTL driver for CD players
Optical disc ICs
5-channel BTL driver for CD players
BA6995FP
The BA6995FP is 5-channel BTL driver for CD and MD player...
Description
Optical disc ICs
5-channel BTL driver for CD players
BA6995FP
The BA6995FP is 5-channel BTL driver for CD and MD player actuators and spindle, thread and loading motors. The spindle driver and loading driver share a single buffer, and either can be driven via the control pin. FApplications CD, MD players and other optical disc applications FFeatures 1) 28-pin HSOP package allows for miniaturization of applications. 2) Gain is adjustable with a single attached resistor. FAbsolute maximum ratings (Ta = 25_C)
3) Wide dynamic range (5 or 4V when VCC=8V) 4) Adaptable for low-voltage servos.
FRecommended operating conditions (Ta = 25_C)
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Optical disc ICs
FBlock diagram
BA6995FP
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Optical disc ICs
FPin descriptions
BA6995FP
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Optical disc ICs
FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 8V, RL = 8Ω)
BA6995FP
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Optical disc ICs
FMeasurement circuit
BA6995FP
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Optical disc ICs
FFunction description CTL1 and CTL2
BA6995FP
Forward and reverse (enabled only when channel 5 control and channel 5 are ON)
FApplication example
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Optical disc ICs
FOperation notes (1) Tray motor driver voltage setting (forward mode)
BA6995FP
Note: Tray driver output voltage cannot be set higher than the maximum output voltage for the power supply. The example above applies only when setting below the maximum output voltage. Maximum output voltage for the power supply can be output by pulling up the tray input pin (pin 8), or by connecting it to VCC.
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