ML1469

www.DataSheet4U.com ML1469 _______________________________________________________________ ML1469 4-channel BTL driver for CD players ™ Application ‹ CD player ‹ VCD player ‹ DVD player ™ Features z z z z z Built in 3.3V (V33) or 5.0V (V50) V oltage regulator Built in general purpose operational amplifier Built in thermal shutdown circuit Few external parts PackageAvailable : HSOP28 ™ General Description The ML1469 is a 4-channel BTL driver for CD player motors and actuators. An internal 3.3V or 5.0V voltage regulator and general purpose op-amp are provided for variety of applications. ™ Block Diagram ch4-OUTA ch3-OUTB SUBGND ch3-OUTA ch4-OUTB ch4-INA BIAS IN ch4-INB ch3-INB ch3-INA OP IN(+) OP IN(-) 15 + 14 OP-OUT Vcc 28 27 D.BUF 26 D.BUF 25 10kΩ 24 1kΩ 23 22 Vcc Vcc Vcc 21 1kΩ 20 10kΩ 19 18 D.BUF 17 D.BUF 12 ch2-OUTA 16 + Level Shiff 13kΩ + T.S.D 10kΩ + + 13kΩ 50kΩ 50kΩ Driver-Mute 10kΩ (3.3kΩ) + + 13kΩ Level Shiff Level Shiff 13kΩ - D.BUF Level Shiff D.BUF 10kΩ 2 ch1-OUTB 3 ch1- INA 4 ch1-INB 1kΩ 5 Tr-B 6 Vreg OUT 7 MUTE 8 GND 1kΩ 9 ch2-INB 10kΩ 10 ch2-INA 1 ch1-OUTA D.BUF 11 ch2-OUTB D.BUF 13 SUBGND T.S.D : Thermal Shutdown Circuit D.Buf : Drive Buffer BTL Driver for CD Player 1/5 May, 2004 V1.3 www.DataSheet4U.com ML1469 _______________________________________________________________ ™ Pin Configuration ch4-OUTA SUBGND ch4-OUTB ch3-OUTA ch3-OUTB OP IN(+) ch4-INA ch3-INB ch4-INB ch3-INA BIAS IN OP IN(-) 15 14 OP-OUT Vcc 28 ...