CM8685 Datasheet, PDF (4/7 Pages) Champion Microelectronic Corp. – 5W MONO CLASS D PLUSTM AUDIO AMPLIFIER

CM8685
5W MONO CLASS D PLUS^TM AUDIO AMPLIFIER
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum ratings are those values beyond which the device could be permanently damaged.
Supply Voltage
Input Voltage
Power Dissipation (Note 1)
ESD Susceptibility (Note 2)
-0.3 to 5.5V
-0.3V to VCC+0.3V
Internally Limited
2KV
Junction Temperature (Note 3)
Storage Temperature
Lead Temperature
(soldering 10 sec)
150 ℃
-65℃≦TA≦150℃
260℃
RECOMMENDED OPERATING CONDITIONS
Operating Free-air Temperature, TA
Supply Voltage, VCC, VDD
High-level Input Voltage, VIH
Low-level Input Voltage, VIL
MIN
TYP
MAX
UNIT
-20
70
℃
3
4.5
5.5
V
SD
2
V
SD
0.8
V
ELECTRICAL CHARACTERISTICS (Unless otherwise stated, these specifications apply TA=25°C;
Vcc=+5V and VDD=+5V) maximum ratings are stress ratings only and functional device operation is not implied.
Symbol
Parameter
CM8685
Test Conditions
Unit
Min. Typ. Max.
ISD Supply Current, Shutdown Mode
REFERENCE SECTION
VSD=5V
1
5
μA
IDD Supply Current
Without load
3
10
mA
f
Switching Frequency
510
600 690
KHz
Output Offset Voltage Between VL1
VOS
and VL2 with 8 ohm Load
50
mV
PSRR Power Supply Rejection Ratio
VCC=VDD=3.3V to 5.5V
55
dB
THD+N Total Harmonic Distortion plus Noise Po=1W, 4 ohm load, f=1kHz ,
<0.6
%
Rds(ON) Drain to Source on-State Resistance
IDD=0.5A, VDD=5V
200 220
mΩ
D
Duty Cycle
5
%
Note 1: For operating at case temperatures above 25℃, the device must be derated based on a 150℃ maximum junction
temperature and a thermal resistance of θJA=80℃/W (junction to ambient).
Note 2: Human body model, 100pF discharged through a 1.5KΩ resistor.
Note 3: The operating junction temperature maximum is 150℃.
2002/04/22 Rev. 6
Champion Microelectronic Corporation
Page 3