4-channel H-bridge type BTL driver for CD players
Optical disc ICs
4-channel H-bridge type BTL driver for CD players
BA6892FP
The BA6892FP is a 4-channel H-bridge BTL dr...
Description
Optical disc ICs
4-channel H-bridge type BTL driver for CD players
BA6892FP
The BA6892FP is a 4-channel H-bridge BTL driver for CD players. Independent power supplies for each predriver and power driver assure efficient operation at low voltages. Each channel is independently mutable. FApplications CD players, CD-ROM drives and other optical disc devices FFeatures 1) 4-channel BTL driver in a HSOP 28-pin package, ideal for application miniaturization. 2) Wide dynamic range. 3) Driver gain is adjustable with an attached resistor.
4) Independent power supply for each preamplifier and power amplifier, for drives that operate efficiently on low voltages. 5) Power amplifier current drops to an extremely low level when the preamplifier power supply is lowered, allowing for a standby mode.
FAbsolute maximum ratings (Ta = 25_C)
FRecommended operating conditions (Ta = 25_C)
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Optical disc ICs
FBlock diagram
BA6892FP
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Optical disc ICs
FPin descriptions
BA6892FP
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Optical disc ICs
FInput / output circuits
BA6892FP
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Optical disc ICs
BA6892FP
FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCCPRE = VCCPOW = 4V, BIAS = 2V, RL = 8Ω, RIN = 9.1kΩ)
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Optical disc ICs
FMeasurement circuit
BA6892FP
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Optical disc ICs
BA6892FP
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Optical disc ICs
FApplication example
BA6892FP
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Optical disc ICs
FOperation notes (1) The BA6892FP has an internal thermal shutdown circuit. Output current is muted when the chip temperature exceeds 175_C (typ...
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