Monolithic Linear IC LA6529M No. 5638 CD-ROM Drive Three-Channel Bridge (BTL) Driver Overview Package Dimension The LA6529M is a three-channel bridge (BTL) driver for CD-ROM drives. unit: mm 3073A-MFP30SLF [LA6529M] Functions and Features • • • • Three bridge-tied load (BTL) power amplifier channels IO max: 1 A Muting circuit Thermal shutdown circuit SANYO: MFP30SLF Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Ratings VCC max Supply voltage VS max Maximum input voltage Mute pin voltage VIN Maximum rating for VS1 and VS2 For the VIN1 through VIN3 input pins VMute Allowable power dissipation Pd max Unit 14 V 14 V 13 V 13 V 0.9 W Operating temperature Topr –20 to +75 °C Storage temperature Tstg –55 to +150 °C Operating Conditions at Ta = 25°C Parameter Symbol Operating voltage 1 VCC Operating voltage 2-1 VS1 Operating voltage 2-2 VS2 Conditions Ratings Unit 4 to 13 V The operating voltage for CH-U 4 to 13 V The operating voltage for CH-V and CH-W 4 to 13 V Note: VCC > VS1, VS2 SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 43097HA(OT) No. 5638-1/4 LA6529M Electrical Characteristics at Ta = 25°C, VCC =12 V, VS1 = VS2 = 5 V Parameter VCC no-load input current drain VS1 no-load current drain VS2 no-load current drain Output offset voltage Input voltage range Symbol Conditions Ratings min typ Unit max ICC1 All outputs on (Mute 1, 2: high *) 4 8 15 ICC2 All outputs off (Mute 1, 2: low) – 4 10 mA IS1-1 CH-U: on (Mute 1: high *) – 5 10 mA IS1-2 CH-U: off (Mute 1: low) – – 2 mA IS2-1 CH-V, CH-W: on (Mute 2: high *) – 10 20 mA CH-V, CH-W: off (Mute 2: low) – – 4 mA –50 – +50 mV IS2-2 VOF1 to VOF3 The potential difference between the + and – sides for CH-U through CH-W VIN mA The voltage range for VIN1 through VIN3. 0.5 – 5 Buffer amplifier 1 output voltage VBUFFER1 The voltage difference with respect to 1/2 VS1 –50 0 +50 mV V Buffer amplifier 2 output voltage VBUFFER2 mV The voltage difference with respect to 1/2 VS2 –50 0 +50 Output voltage (source) VO1 Output high, IO = 700 mA, for + outputs 4.4 4.7 – Output voltage (sink) VO2 Output low, IO = 700 mA, for + outputs – 0.3 0.6 V Closed loop voltage gain VG Bridge amplifier – 6 – dB Slew rate SR Mute on voltage VMUTE1, 2 The voltage applied to MUTE1 or MUTE2 when the output goes on. Mute on current IMUTE1, 2 The MUTE1 or MUTE2 influx current when the output goes on. V – 0.15 – V/µs – 1.5 2 V – 6 10 µA Note: * CH-U will be on when MUTE1 is high. CH-V and CH-W will be on when MUTE2 is high. Block Diagram Thermal shutdown Level shifter Level shifter Level shifter No. 5638-2/4 LA6529M Pin Functions Pin No. Pin Function Equivalent circuit 1, 2, 14, 15, RF Substrate (minimum potential) 16, 17, 29, 30 GND Ground CH-U input 4 VIN1 5 VIN1A 7 VIN2 8 VIN2A 9 VIN3 10 VIN3A 6 MUTE1 11 BUFFER OUT1 CH-U input (for gain adjustment) Drive 3 CH-V input CH-V input (for gain adjustment) CH-W input CH-W input (for gain adjustment) Sets the CH-U output on or off. Buffer amplifier 1 output (1/2 VS1: typical). Used as the reference voltage for the CH-U output stage. 12 BUFFER OUT2 Buffer amplifier 2 output (1/2 VS1: typical). Used as the reference voltage for the CH-V and CH-W output stages. 13 VCC Power supply 18 NC Must be left open. 19 MUTE2 Sets the CH-V and CH-W outputs on or off. 20 VS2 CH-V and CH-W output stage power supply 21 WOUT– 22 WOUT+ CH-W noninverted output 23 VOUT– CH-V inverted output 24 VOUT+ CH-V noninverted output 25 UOUT– CH-U inverted output 26 UOUT+ CH-U noninverted output 27 VS1 CH-U output stage power supply 28 VREF Level shifter circuit reference voltage Drive CH-W inverted output (common to all three channels) No. 5638-3/4 LA6529M Microcontroller Microcontroller Sample Application Circuit Allowable power dissipation, Pd max – Ta P-board glass epoxy Copper foil Reference value for a steel substrate (t = 1 mm) Thickness: 1.5 mm With a P-board Independent IC Ambient temperature, Ta – °C ■ No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. ■ Anyone purchasing any products described or contained herein for an above-mentioned use shall: ➀ Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: ➁ Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. ■ Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of April, 1997. Specifications and information herein are subject to change without notice. No. 5638-4/4