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AM1469 Dataheets PDF



Part Number AM1469
Manufacturers AMtek
Logo AMtek
Description 4-channel BTL driver
Datasheet AM1469 DatasheetAM1469 Datasheet (PDF)

AM1469 Motor Driver ICs 4-channel BTL driver for CD players AM1469 V33/V50 The AM1469 is a 4-channel BTL driver for CD player motors and actuators. An internal 3.3V/5.0V regulator and standard op amp are provided for variety of applications. Applications 1. 2. 3. CD player VCD player DVD player Features 1) HSOP28 package with good thermal performance 2) Few external parts. 3) External resistor allows gain adjustment. 4) V33 -- 3.3V regulator. V50 -- 5.0V regulator (requires attached PNP trans.

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AM1469 Motor Driver ICs 4-channel BTL driver for CD players AM1469 V33/V50 The AM1469 is a 4-channel BTL driver for CD player motors and actuators. An internal 3.3V/5.0V regulator and standard op amp are provided for variety of applications. Applications 1. 2. 3. CD player VCD player DVD player Features 1) HSOP28 package with good thermal performance 2) Few external parts. 3) External resistor allows gain adjustment. 4) V33 -- 3.3V regulator. V50 -- 5.0V regulator (requires attached PNP transistor) 5) Internal standard operational amplifier. 6) Built-in thermal shutdown circuit. Absolute maximum ratings (Ta = 25¢J Parameter Power supply voltage Power dissipation Storage temperature ¡¯1 Use base condition : 100x100mm, t=1.6mm, ) Rating 13.5 1.7*1 -55~+150 ¢J Unit V W Symbol Vcc max. Pd Tstg ¢J. copper leaf 50%, glass epoxy mounting. Derating is done at 13.6mW/¢J for operation above Ta = 25 Recommended operating conditions (Ta = 25¢J Parameter Operating temperature Operational voltage Symbol TOPR VOPR Limits ) Unit ¢J V -25 ~ +85 5 ~ 12 AMtek semiconductors - 1/8 - July, 2003 V1.0 D. BUF 28 1 ch1-OUT A D. BUF 27 S U BG N D 2 T. S . D ch1-OUTB D. B UF 26 ch4-O UTA 3 ch1-I N A D. B UF 10K LEV EL S HI FT 25 - + + - - Vcc NG 8 D + - ch2-I N B 9 13K 10K ch2-I N A ch2-OUTB D. BUF 12 DRIV ER-MUTE LE V EL S HI FT LEV EL S HI FT ch2-OUT A D. BUF 13 16 SU BG N D 14 - AM1469 Motor Driver ICs TS D¡G Thermal shut down circuit D. Buf¡G Drive buffer OP-OUT + AMtek semiconductors ch4-O UTB Block diagram LEV ELS H IF T 4 10K 1K 10K 24 ch1-I N B ch4-IN A 5 1K 3. 3K 13K 13K Tr-B ch4-IN B + - 23 6 7 Vcc Vr eg OU T BI AS I N 22 MUTE Vcc July, 2003 V1.0 + - 2/8 50K 50K 21 Vcc 1K + 1K - 20 ch3-IN B 13K 10K 10 11 19 ch3-IN A D. B UF 18 ch3-O UTB D. B UF 17 15 ch3-O UTA OP NI (+ ) OP NI (-) AM1469 Motor Driver ICs Pin configuration ch1-OUTA 1 28 SUBGND ch1-OUTB 2 27 ch4-OUTA ch1-INA 3 26 ch4-OUTB ch1-INB 4 25 ch4-INA Tr-B 5 24 ch4-INB AM1469 Vreg OUT 6 23 BIAS IN MUTE 7 22 Vcc GND 8 21 Vcc ch2-INB 9 20 ch3-INB ch2-INA 10 19 ch3-INA ch2-OUTB 11 18 ch3-OUTB ch2-OUTA 12 17 ch3-OUTA SUBGND 13 16 OP IN(+) OP-OUT 14 15 OP IN(-) AMtek semiconductors - 3/8 - July, 2003 V1.0 AM1469 Motor Driver ICs Pin descriptions Pin No. Pin name 1 ch1-OUT A 2 ch1-OUT B 3 ch1-IN A 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ch1-IN B Tr-B Vreg OUT MUTE GND ch2-IN B ch2-IN A ch2-OUT B ch2-OUT A SUBGND OP OUT OP IN(-) OP IN(+) ch3-OUT A ch3-OUT B ch3-IN A ch3-IN B Vcc Vcc BIAS IN ch4-IN B ch4-IN A ch4-OUT B ch4-OUT A SUBGND Function Driver channel 1 negative output Driver channel 1 positive output Driver channel 1 input Driver channel 1 input, gain adjustment pin Connect to external transistor base Constant voltage output, connects to external transistor collector Driver mute control input Ground Driver channel 2 input, gain adjustment pin Driver channel 2 input Driver channel 2 positive output Driver channel 2 negative output Substrate ground Operational amplifier output Operational amplifier negative input Operational amplifier positive input Driver channel 3 negative output Driver channel 3 positive output Driver channel 3 input Driver channel 3 input, gain adjustment pin Power supply Power supply Bias amplifier input pin Driver channel 4 input, gain adjustment pin Driver channel 4 input Driver channel 4 positive output Driver channel 4 negative output Substrate ground Note¡GPositive and negative output is relative to the polarity of the input pins. AMtek semiconductors - 4/8 - July, 2003 V1.0 AM1469 Motor Driver ICs Electrical characteristics ( unless otherwise noted, Ta = 25¢J , Vcc = 8V, f = 1kHz ) Parameter Quiescent current dissipation Output voltage offset Maximum output high level voltage Maximum output low level voltage Closed loop voltage gain Ripple rejection ratio Slew rate Mute Off voltage <3.3 V/ 5.0 V regulator> Output voltage Output load differential Power supply voltage differential Offset voltage Input bias current Output high level voltage Output low level voltage Output drive current (sink) Output drive current (source) Open loop voltage gain Slew rate Ripple rejection ratio Common mode rejection ratio ¡· Not designed for radiation resistance Symbol Min Icc Voo VOHD VOLD GVC RR SR VMOFF ¡Ð 2.0 3.1 4.75 -50 -10 -2 ¡Ð 6.0 ¡Ð 10 10 ¡Ð ¡Ð ¡Ð 70 5.5 -40 5.2 ¡Ð 7.0 ¡Ð Typ. Max Unit 8.0 ¡Ð 5.6 1.3 8.0 60 2.0 ¡Ð 3.3 5.00 0 0 0 20 ¡Ð ¡Ð 50 30 78 1 65 84 ¡Ð ¡Ð ¡Ð ¡Ð ¡Ð ¡Ð ¡Ð 1.8 ¡Ð 3.5 5.25 10 25 2 300 ¡Ð ¡Ð 1.55 9.0 ¡Ð 10.5 40 mA No load mV V V Conditions dB VIN=0.1Vrms, f = 1kHz dB VIN=0.1Vrms, f = 100Hz V/µS f=100kHz , VOUT=4VP-P square wave V Vreg ∆VRL ∆VVCC VOFOP IBOP VOHOP VOLOP ISINK ISOURCE GVO SROP RROP CMRR V IL=100mA mV IL=0~200mA mV (Vcc=6~9V) IL=100mA mV nA V V mA Vcc at 50Ω mA 50Ω at ground dB VIN=75dBV, f = 1kHz V/µS f=100kHz , VOUT=4VP-.


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