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R1010

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Summary of Contents for BD5446EFV

Page 1: ...fixed 2 Within the wide range of the power supply voltage it is possible to operate in a single power supply 10 26V 3 It contributes to miniaturizing making to the thin type and the power saving of th...

Page 2: ...d and Tjmax 150 3 70mm 70mm 1 6mm FR4 1 layer glass epoxy board Copper on bottom layer 0 Derating in done at 16mW for operating above Ta 25 4 70mm 70mm 1 6mm FR4 2 layer glass epoxy board Copper on bo...

Page 3: ...ut Maximum momentary output power 1 PO1 10 W THD n 10 GAIN 26dB 7 Maximum momentary output power 2 PO2 20 W VCC 18V THD n 10 GAIN 26dB 7 Total harmonic distortion THDSP 0 07 PO 1W BW 20 20kHz 7 Crosst...

Page 4: ...Crosstalk Output power Crosstalk Frequency Wave form when Releasing Soft mute Wave form when Activating Soft mute Sampling Mute 10 12 14 16 18 20 22 24 26 28 30 10 100 1k 10k 100k FREQUENCY Hz VOLTAG...

Page 5: ...2 34 36 38 40 10 100 1k 10k 100k FREQUENCY Hz VOLTAGE GAIN dB Po 1W L 22 H C 0 47 F Cg 0 068 F 140 120 100 80 60 40 20 0 10 100 1k 10k 100k FREQUENCY Hz NOISE FFT dBV Without signal BW 20 20KHz 0 01 0...

Page 6: ...52 27 26 25 I2S LJ Interface Gain Selector PWM Modulator 8 Over Sampling Digital Filter Control Interface TEST DAC Selector High Temperature Protection Under Voltage Protection Clock Stop Protection...

Page 7: ...driver Internal power supply pin for ch2 Gate driver Please connect the capacitor 2 FILP 1 75V 2 55V Bias pin for PWM signal Please connect the capacitor 3 PLMT 0V Power limiter setting terminal 4 FI...

Page 8: ...trol pin H Mute OFF L Mute ON 14 PDX Power down control pin H Power down OFF L Power down ON 15 IIS_LJ 0V Digital audio signal data format setting terminal H Left Justified format L I 2 S format 16 17...

Page 9: ...23 OUT_DAC2 OUT_DAC1 2 5V ch2 DAC output pin ch1 DAC output pin Please connect it with the latter part circuit through the capacitor 24 ERROR 3 3V Error flag pin Please connect pull up resistor H Whi...

Page 10: ...9 OUT2N Vcc 0V Output pin of ch2 negative PWM Please connect to Output LPF 40 BSP2N Boot strap pin of ch2 negative Please connect the capacitor 42 BSP1N Boot strap pin of ch1 negative Please connect t...

Page 11: ...of SDATA1 is output The Rch signal of SDATA1 is output H The Lch signal of SDATA2 is output The Rch signal of SDATA2 is output RESETX pin function RESETX 10pin State of Digital block L Reset ON H Rese...

Page 12: ...ve speaker output BTL output amplitude as Vo 10Vrms Output power Po Vo 2 RL_SP 12 5W Speaker output and DAC output Digital audio input signal SDATA1 will be output to the speaker SDATA2 will not be ou...

Page 13: ...K SDATA1 Lch 1 64fs Rch 32 clocks 32 clocks Fig 23 Left Justified Data Format 64fs 24 bit Data MSB 22 21 20 19 18 17 16 15 14 MSB 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 13 12 11 10 9 8 7 6 7 6 3 5...

Page 14: ...5pin PDX 14pin BCLK 8pin LRCLK 9pin Speaker output SDATA1 10pin SDATA2 11pin REG_G2 27pin Power up VCCA VCCP1 VCCP2 simultaneously REG_G1 REG_G2 REG_3 Degital audio data communication Set PDX to High...

Page 15: ...REG_G1 1pin REG_3 5pin RESETX 12pin MUTEX 13pin PDX 14pin BCLK 8pin LRCLK 9pin SDATA1 10pin SDATA2 11pin REG_G2 27pin REG_G1 REG_G2 REG_3 Set MUTEX to Low Set PDX to Low Stop digital audio date signa...

Page 16: ...g condition Chip temperature to be below 120 TYP Normal operation Under voltage protection Detecting condition Power supply voltage to be below 8V TYP Normal operation HiZ_Low H Releasing condition Po...

Page 17: ...nd the temperature of the chip becomes 150 TYP or more The speaker output is muted through a soft mute when detected Releasing condition It will release when MUTE pin is set High and the temperature o...

Page 18: ...ply voltage becomes lower than 8V The speaker output is muted through a soft mute when detected Releasing condition It will release when MUTE pin is set High and the power supply voltage becomes more...

Page 19: ...about 1usec or more The speaker output is muted through a soft mute when detected Releasing condition It will release when MUTE pin is set High and the SYS_CLK signal returns to the normal clock opera...

Page 20: ...ircuit that stops the PWM output when the PWM output is short circuited to GND due to abnormality Detecting condition It will detect when MUTE pin is set High and the current that flows in the PWM out...

Page 21: ...8kHz or above Once detected The PWM output instantaneously enters the state of HiZ Low and IC does the latch Releasing method After the MUTEX pin is set Low once the MUTEX pin is set High again Turnin...

Page 22: ...significantly reduced under operation of limiter Use resistors with a high degree of accuracy for R1 and R2 1 or higher accuracy is recommended The capacitor C is for the noise removal of output power...

Page 23: ...C Voltage Protection OUT_DAC1 1 F OUT_DAC2 1 F RESET 1 2 SYS_CLK 256fs 100k ERROR GNDA 3 3V VCCA 10 F VCCA NC REG_G2 GNDA 1 F FILA Power Limiter GNDA Digital Audio Source con DAC REG_3 1 F REG_G1 Driv...

Page 24: ...2mm 1 6mm Capacitor C31 C38 C42 C49 1 F MURATA GRM185B31C105KE43 16V B 10 1 6mm 0 8mm C25 C28 C53 0 1 F GRM188B31H104KA92 50V B 10 1 6mm 0 8mm C31A C38A C43A C50A 0 068 F GRM21BB11H683KA01 50V B 10 2...

Page 25: ...ut DC Voltage Protection OUT_DAC1 1 F OUT_DAC2 1 F RESET 1 2 SYS_CLK 256fs 100k ERROR GNDA 3 3V VCCA 10 F VCCA NC REG_G2 GNDA 1 F FILA Power Limiter GNDA Digital Audio Source con DAC REG_3 1 F REG_G1...

Page 26: ...W F 1 3 2mm 1 6mm Capacitor C31 C38 C42 C49 1 F MURATA GRM185B31C105KE43 16V B 10 1 6mm 0 8mm C25 C28 C53 C31A C38A C43A C48A 0 1 F GRM188B31H104KA92 50V B 10 1 6mm 0 8mm C31C C43C 0 47 F GRM21BB31H47...

Page 27: ...ther Filter constants depend on load impedances The following are formulas to calculate values of L C and Cg when Q 0 707 is specified Fig 29 RL Load impedance fC LPF cut off frequency Hz Following pr...

Page 28: ...comparison with conventional Analog power amplifier However In case it is operated continuously by maximum output power Power dissipation Pdiss may exceed package dissipation Please consider about he...

Page 29: ...m 1 6mm with thermal via on board Material FR4 The board on exposed heat sink on the back of package are connected by soldering PCB 1 layer board back copper foil size 0mm 0mm ja 62 5 W PCB 2 layer bo...

Page 30: ...0 05 0 04 0 08 M S 0 08 54 28 27 1 18 5 0 1 5 0 6 0 9 5 0 2 7 5 0 1 0 8 MAX 18 85 include BURR 1PIN MARK 0 5 0 15 1 0 0 2 0 17 0 05 0 03 S 4 6 4 Order quantity needs to be multiple of the minimum quan...

Page 31: ...mation The Products specified in this document are intended to be used with general use electronic equipment or devices such as audio visual equipment office automation equipment commu nication device...

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