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| BA5927S IC CD BA5927S CD 3.3V 6chBTL 6chBTL 6chBTL 1ch 4ch 2ch BA5927S ! CD ! 1) 2) 3.3V 3) 4ch 2ch ! (Ta=25C) Parameter Symbol VCC Pd Limits 13.5 1.71 -35~+85 -55~+150 Unit V W C C Topr Tstg 1 Ta=25C 1C 13.6mW ! (Ta=25C) Parameter Symbol VCC Min. 4.5 Typ. 8 Max. 13.2 Unit V BA5927S IC ! 32 31 x2 30 x2 29 28 27 26 25 24 23 VCC 22 21 150 20 BIAS 19 D 18 D 17 D D D MUTE D BIAS x3/8 x3/8 13.3k 150 BIAS LEVEL SHIFT T.S.D 13.3k LEVEL SHIFT LEVEL SHIFT 13.3k 13.3k +- 150 10k x3/8 x3/8 +- DETECTION OF REG-OUT CURRENT VCC VCC BIAS -+ BIAS D D D D 10k x2 150 1 2 3 4 5 6 7 8 9 10 11 12 T.S.D : Thermal shut down circuit D : Drive buffer Unit of resistor : [] ! Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1) 2) Pin No. OUT1- OUT1+ OUT2- OUT2+ IN2 IN1 VCC VCC REG-I REG-B REG OUT IN3-R IN3-F OUT3+ OUT3- GND CH3 CH3 CH3 CH3 GND Tr Tr CH1 CH1 CH2 CH2 CH2 CH1 VCC VCC 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 OUT4- OUT4+ OUT5- OUT5+ IN5 IN4 VCC BIAS IN GND GND MUTE IN IN6-R IN6-F OUT6+ OUT6- GND CH6 CH6 CH6 CH6 GND GND GND CH4 CH4 CH5 CH5 CH5 CH4 VCC +- +- LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT D x2 D 13 14 15 16 BA5927S IC ! (Ta=25C, VCC=8V, RIN=6.8k, RL=8, VBIAS=1.65V) Parameter < Symbol ICC > VOO VOH GVC RR SR > F R F R F R VOF VOR VOMF VOMR VF VR VOOL IFO IRE > VREG VRL VVCC Vreg-I Min. - -50 4.0 9.8 - - 2.5 -3.3 5.2 - - - -50 - - 3.15 -50 -15 540 Typ. 13 - 4.8 11.8 60 1.0 2.9 -2.9 5.7 -5.7 100 100 - - - 3.30 0 21 675 Max. 17 50 - 13.8 - - 3.3 -2.5 - -5.2 500 500 50 500 500 3.45 10 60 810 Unit mA mV V dB dB V/S V V V V mV mV mV A A V mV mV mV Conditions VBIAS=4V, Vin=VBIAS4V Vin=VBIAS0.5V Vin=0.1Vrms, 100Hz 100Hz 3VP-P VFO=2V, VRE=0V VFO=0V, VRE=2V VFO=5V, VRE=0V VFO=0V, VRE=5V VFO=3V, VRE=0V I=100400mA VFO=5V, VRE=0V VFO=0V, VRE=5V IL=50mA IL=0~200mA VCC=4.5~13.2V, IL=50mA < < BA5927S IC ! I I RL RL RL RL A FWD 6.8k A DCIN REV DC OFF DCIN 6.8k MUTE DC OFF Vreg-I V R=1 BIAS 6.8k V OFF ON IL 22F DCIN DC OFF Ireg-B REG 6.8k DCIN V DC OFF REV FWD RL RL RL RL V I I V 1000F RIP RIP 20 NORM 10F Fig.1 V V RL V V RL V V V RL RL V A 32 1 V V V V V V V V 31 2 3 4 5 30 29 28 V V A A 27 6 7 8 9 10 26 25 24 23 A 11 12 13 14 15 16 22 21 20 19 18 17 BA5927S IC ! SERVO PRE AMP CONTROLLER Loading2 forward Loading2 reverse Loading1 forward Loading1 reverse Tracking Spindle Focus 6.8k 6.8k LOADING2 MOTOR VCC SPINDLE MOTOR Mute Sled Bias SLED MOTOR M 32 31 30 29 28 27 26 25 24 23 M 20 19 18 M 17 22 21 BA5927S 1 2 3 4 5 6.8k 6 6.8k 7 8 9 10 11 12 13 14 15 16 M R 22F 3.3V REGULATOR OUT LOADING1 MOTOR FOCUS COIL TRACKING COIL Fig.2 ! (1) FWD L H L (VCC=8V) REV L H L H L (2) ( : ) VFO[V] (Pin 13, 29) F Pin 14, 30 ( ) M VRE[V] (Pin 12, 28) R Vref BA5927S Pin 15, 31 ( 1.5 x (VFO-VRE) [V] ) VFO BA5927S IC (3) BA5927S 175C (Typ.) 150C (Typ.) (27pin) 27pin 2V (24pin) 0.7V (Typ.) 1.3V (4) 0.5V (CH1, 2, 4, 5, ) (5) (6) (CH1, 2, 4, 5) ( = = (VCC-VF) / 2 [CH1, 2, 4, 5] VCC / 2 [CH3, 6] ) CH1, 2, 4, 5 STOP STOP STOP CH3, 6 ACT ACT STOP STOP ACT ACT (7) (8) IC R VCC (0.1F ) R: Pin9 - + Pin11 Pin10 PNP Tr 22F (9) (10) Pin-VCC IC ( ) Pin-GND ( ) Pin ( ) IC BA5927S IC ! VCC=8V, BIAS=2.5V 5 4 OUTPUT VOLTAGE : (V) RL=8 4 VCC=8V 3 OUTPUT LOSS VOLTAGE : (V) VCC=8V, BIAS=2.5V OUTPUT VOLTAGE : (V) 5 4 8 3 2 1 -3 -2 -1 0 1 -1 -2 -3 -4 -5 2 3 20 16 12 2 Vin=GND 1 0 -1 -2 -3 -4 GND SAT -5 0 5 Vin=VCC VCC SAT -5 VIN= VFIN=0V VRIN=0~5V VFIN=0~5V VRIN=0V 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 LOAD CURRENT : (A) INPUT VOLTAGE : (V) INPUT VOLTAGE : (V) Fig.3 ( ) Fig.4 ( ) Fig.5 ( ) 4 REGULATOR OUTPUT VOLTAGE : (V) 5 3 VCC=8V, BIAS=2.5V OUTPUT LOSS VOLTAGE : (V) BIAS= 1 VCC 2 4 2 1 0 -1 -2 -3 -4 VFIN=L VRIN=H GND SAT 3 VFIN=H VRIN=L VCC SAT IL=0mA 2 IL=50, 100mA 1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 LOAD CURRENT : (A) 0 5 10 15 VOLTAGE SUPPLY : (V) Fig.6 ( ) Fig.7 ! (Units : mm) 28.00.3 32 17 1 16 10.16 4.70.3 0.51Min. 8.40.3 3.20.2 0.30.1 1.778 0.50.1 0~15 SDIP32 |
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