CM8608
C
LASS
AB S
TEREO
H
EADPHONE
D
RIVER
GENERAL DESCRIPTION
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.
FEATURES
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
SOP-8 (S08)/PDIP (P08)
Top View
1
2
3
4
OUTA
INA(neg)
INA(pos)
VSS
VDD
OUTB
INB(neg)
INB(pos)
8
7
6
5
PIN DESCRIPTION
Pin No.
1
2
3
4
5
6
7
8
OUTA
INA(neg)
INA(pos)
VSS
INB(pos)
INB(neg)
OUTB
VDD
Symbol
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
CM8608
C
LASS
AB S
TEREO
H
EADPHONE
D
RIVER
BLOCK DIAGRAM
ORDERING INFORMATION
Part Number
CM8608IP
CM8608IS
Temperature Range
-40℃ to 85℃
-40℃ to 85℃
Package
8-Pin PDIP (P08)
8-Pin SOP (S08)
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
2001/12/20
Rev. 1
Champion Microelectronic Corporation
Page 2
CM8608
C
LASS
AB S
TEREO
H
EADPHONE
D
RIVER
THERMAL CHARACTERISTICS
TYPICAL APPLICATION
2001/12/20
Rev. 1
Champion Microelectronic Corporation
Page 3
CM8608
C
LASS
AB S
TEREO
H
EADPHONE
D
RIVER
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated, these specifications apply T
A
=25°C; VSS
=0V, VDD=+5V, f
j
= 1kHZ, R
L
= 32Ω)
maximum ratings are stress ratings only and functional device operation is not implied.
Notes
1. Values are proportional to V
DD
; (THD + N)/S < 0.1%.
2. V
DD
= 5.0 V; V
O(p-p)
= 3.5 V (at 0 dB).
2001/12/20
Rev. 1
Champion Microelectronic Corporation
Page 4
CM8608
C
LASS
AB S
TEREO
H
EADPHONE
D
RIVER
TEST INFORMATION
TYPICAL CHARACTERISTICS
Open-loop gain as a function of input frequency
Crosstalk as a function of input frequency
2001/12/20
Rev. 1
Champion Microelectronic Corporation
Page 5
京公网安备 11010802033920号
EEWORLD
