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