CO4808
Dual 105mW Headphone Amplifier
Electrical Character
Vdd=5V,Temp=25℃,Fin=1KHz,RL=32Ω,Vin=1.4V
Symbol
V
DD
I
DD
P
tot
V
OS
Ibias
V
CM
G
V
I
O
R
O
V
O
PSRR
Parameter
Supply Voltage
Supply Current
Total Power Dissipation
Input Offset Voltage
Input Bias Current
Common Mode Voltage
Open-Loop Voltage Gain R
L
=5KΩ
Max Output Current
Output Resistance
Output Swing
Power Supply Rejection
Ratio
Conditions
V
IN
=0V,I
O
=0A
V
IN
=0V,I
O
=0A
V
IN
=0V
Min
2.0
Typ
1.2
6
10
10
0
4.3
67
70
0.1
3
4.7
89
75
0.05
66
0.05
66
105
5.5
105
70
150
90
3
Max
5.5
3.0
16.5
50
Unit
V
mA
mW
mV
pA
V
dB
mA
Ω
V
dB
dB
%
dB
%
dB
dB
MHz
mW
THD+N<0.1%
R
L
=32Ω,0.1% THD+N, Min
R
L
=32Ω,0.1% THD+N, Max
Cb=1.0μF,
Vripple=100mVpp, f=100Hz
R
L
=32Ω
f=1kHz
R
L
=16Ω
Vo=3.5Vpp (at 0dB)
R
L
=32Ω
Vo=3.5Vpp (at 0dB)
Vo=3.5Vpp (at 0dB)
Open Loop, R
L
=5kΩ
THD+N=0.1%,f=1kHz
R
L
=16Ω
Crosstalk Channel Separation
THD+N
Total Harmonic
Distortion + Noise
SNR
f
G
Signal-to-Noise Ratio
Unity Gain Frequency
P
O
Output Power
R
L
=32Ω
THD+N=10%,f=1kHz
R
L
=16Ω
R
L
=32Ω
60
mW
mW
mW
pF
C
I
C
L
SR
Input Capacitance
Load Capacitance
Slew Rate
Unity Gain Inverting
200
3
pF
V/μs
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Email: server@ceramate.com.tw
Tel:886-3-3214525
Http: www.ceramate.com.tw
Page 3 of 4
Rev 1.0 May 18,2004
Fax:886-3-3521052
CERAMATE [ CERAMATE TECHNICAL ]
