DatasheetsPDF.com

BA5977FP Dataheets PDF



Part Number BA5977FP
Manufacturers Rohm
Logo Rohm
Description 4ch BTL driver
Datasheet BA5977FP DatasheetBA5977FP Datasheet (PDF)

IC CD BA5977FP BA5977FP CD 1 4ch BTL BA5977FP LSI PWM 4ch BTL ! CD/MD CD-ROM ! 1) 4ch BTL 2) HSOP28 3) 3ch PWM 4) ch4 SW 5) 6) 7) 8) 1 PreVCC=8V, PowVCC=8V, RL=8Ω , 5.4V Typ. ! Ta=25°C ! IC ! 28 27 Pre Vcc 26 25 24 23 22 10k 50k 100k PIN3 F R INTERFACE 100k R F THERMAL SHUTDOWN INTERFACE FR SW F RF INTERFACE FR R 12 345 67 BA5977FP 21 20 19 18 17 MUTE Vref 50k 50k Pow Vcc Ch3,4 Pow Vcc 19k 10k 50k 6.5k 50k PIN26 16 15 LEVEL SHIFT Pow Vcc Ch1, 2 8 9 10 11 12 .

  BA5977FP   BA5977FP



Document
IC CD BA5977FP BA5977FP CD 1 4ch BTL BA5977FP LSI PWM 4ch BTL ! CD/MD CD-ROM ! 1) 4ch BTL 2) HSOP28 3) 3ch PWM 4) ch4 SW 5) 6) 7) 8) 1 PreVCC=8V, PowVCC=8V, RL=8Ω , 5.4V Typ. ! Ta=25°C ! IC ! 28 27 Pre Vcc 26 25 24 23 22 10k 50k 100k PIN3 F R INTERFACE 100k R F THERMAL SHUTDOWN INTERFACE FR SW F RF INTERFACE FR R 12 345 67 BA5977FP 21 20 19 18 17 MUTE Vref 50k 50k Pow Vcc Ch3,4 Pow Vcc 19k 10k 50k 6.5k 50k PIN26 16 15 LEVEL SHIFT Pow Vcc Ch1, 2 8 9 10 11 12 13 14 IC ! BA5977FP IC ! ch1 3 4,6,23pin 17k 10k 20k 10k 11 18pin 20pin 50k 50k BA5977FP ch1 3 5,7,22pin 17k 7.3k 50k 9pin 50k 3pin 50k 50k 1pin 2pin 24pin 100k 100k 100k 25pin 10k 100k 27pin 50k 50k 26pin BA5977FP IC ! Ta=25°C, VCC=8V, RL=8Ω, Vb=VOP+=1.75V Parameter Symbol Min. Typ. Max. Unit Conditions IQ 17.0 25.0 mA Vref VREF 3.70 4.00 4.30 V VMOFF 2.0 V VMON 0.5 V < ch1 2 3 > H VIH 2.4 VCC V L VIL 0.3 0.5 V H IIH 170 310 450 A Vf Vr 5V L F IILF 10 0 A Vf 0V L R IILR 50 0 A Vf 0V VOO 30 30 mV VOM 4.4 5.0 5.6 V < ch4 > IB 10 300 nA VOO4 50 50 mV Vb VIN4 VOM 4.8 5.4 V Vb 4V GVC 9.3 11.3 13.3 dB < SW 3pin > H VIHSW 2.0 VCC V L VILSW 0.3 0.5 V H IIHSW 60 90 A VSW 3.5V L IILSW 10 0 10 A VSW 0V <> VOFOP 5 0 5 mV IBOP 10 300 nA H VOHOP 7.0 V Vb 4V L VOLOP 0.2 V Vb 4V Isink 2.0 9.0 mA Isource 7.0 13.0 mA GVO 65 dB VIN 60dBV 1kHz SR 0.5 V / s f 50kHz 2VP-P Vb 4V 21 20 19 18 17 16 15 IC ! V VO V RL RL V VO V RL RL A Pow A Vcc VM IM 50k Pow 50k Vcc ch3, 4 19k 10k Pow Vcc LEVEL SHIFT 50k 50k 6.5k pin26 Pow Vcc ch1, 2 9 10 11 12 13 14 BA5977FP RL RL V VO V RL RL V VO V V Vref 8 MUTE Vref RR 12 34 56 7 RF 100k F R FR 26 25 24 23 22 A Ir Vr VIN4 A If Vf A IIN4 SW1 Vb a b SW2 1M V Vb4 A Ipre Pre Vcc OP1 V Voop IL 28 27 Pre Vcc 10k 50k 100k pin3 INTER- FACE THERMAL SHUTDOWN a b OP2 c d 470 F 10k 1M V Vbop 100k Fig. F INTERFACE FR INTER- SW FACE F A Vf Ir A Vf If A Vf Ir A Vf If A Vsw Isw 1k Vop Vofop V OP4 10 F PreVCC 10k a b OP3 c IC ! BA5977FP ! (1) ch1∼3 IC I1 BUF1 C1 25pF F INTER FACE R SW1 SW2 A R1 100k OUT1 OUT2 BUF2 I2 Fig.2 5V FR 0V RF 0V Fig.3 BA5977FP 1V Fig.4 OUT2 1 OUT1 2 IC Fig.4 I1 RC I1×R1!2.5V Vref Fig.3 SW2 ON Fig.2 DUTY "H" -2.5V 5V R×C=2.5µs Fig.2 I1 I2 25µA Typ. H 2.4V BUF1 BUF2 BTL A DC SW1 IC (2) ch4 BTL RC pin25 Vref Vref VCC/2 ch4 BA5977FP 26pin Vref SW pin3 "H" "L" R1 C1 Vref 100k 24 25 C2 10k 26 Vref Fig.5 50k 3 100k (3) 20pin "L" 0.5V FOCUS ERROR OUT TRACKING ERROR OUT BIAS 1.75V DIGITAL SERVO Fig. SLED OUT SPINDLE OUT REVERSE FORWARD FORWARD REVERSE FORWARD REVERSE MUTE 82k 15k H = ON L = OFF 3000pF 0.47 F 0.1 F 28 27 Pre Vcc 26 25 24 23 22 50k 10k 100k F R pin3 INTER- R FACE 100k F INTERFACE F F RR F INTERFACE SW F R R 12 34 56 7 21 20 19 18 17 MUTE Vref 50k Pow 50k Vcc ch3, 4 10k Pow Vcc 50k 50k 19k 6.5k pin26 16 15 LEVEL SHIFT Pow Vcc ch1, 2 8 9 10 11 12 13 14 BA5977FP TRACKING COIL FOCUS COIL 0.1 F IC ! SPINDLE MOTOR SLED MOTOR 0.1 F IC ! (1) BA5977FP 180°C Typ. (2) (3) (4) FIN IC GND ON 0.1µF ! 4ch GND BA5977FP R(F) F(R) IC PreVCC 8V 1.75V VO Isource 1.75V Isink BA5977FP ! Unit : mm 18.5 0.2 28 15 9.9 0.3 7.5 0.2 0.25 0.1 2.2 0.1 0.11 1 5.15 0.1 14 0.8 0.35 0.1 0.3Min. 0.15 HSOP28 .


G3VM-41DY BA5977FP GWMTF6619E


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)