Document
CM8608
CLASS AB STEREO HEADPHONE DRIVER
GENERAL DESCRIPTION
FEATURES
The CM8608 is an integrated class AB stereo headphone driver contained in an SO8 or a DIP8 plastic package. The device is fabricated in a 1 mm CMOS process and has been primarily developed for portable digital audio applications.
Wide temperature range No switch ON/OFF clicks Excellent power supply ripple rejection. Low power consumption Short-circuit resistant High performance
high signal-to-noise ratio high slew rate low distortion Large output voltage swing
PIN CONFIGURATION
1 2 3 4
SOP-8 (S08)/PDIP (P08) Top View
OUTA
VDD
INA(neg) INA(pos)
OUTB INB(neg)
VSS
INB(pos)
8 7 6 5
PIN DESCRIPTION
Pin No.
1 2 3 4 5 6 7 8
Symbol
OUTA INA(neg) INA(pos) VSS INB(pos) INB(neg) OUTB VDD
Output A Inverting input A Non-inverting input A Negative supply Non-inverting input B Inverting input B Output B Positive supply
Description
2001/12/20 Rev. 1
Champion Microelectronic Corporation
Page 1
BLOCK DIAGRAM
CM86.