CO8301
(Preliminary)
Stereo Headphone Amplifier
Electrical Characteristics (RL =16Ω, Rg =600Ω, Ta = 25℃)
Parameter
Symbol
Conditions
= 2.4V
Min.
Typ. Max.
Unit
mA
mA
µA
Quiescent Current 1
Quiescent Current 2
Quiescent Current 3
I
I
I
V
V
V
-
-
-
5.5
1.0
-
10.0
2.0
CC1
CC2
CC3
CC
CC
CC
CC
= 4.5V, Mute = GND
= 4.5V, PS = GND
= 2.4V, f = 1kHz,
1.0
V
V
Close Loop Voltage Gain 1
Close Loop Voltage Gain 2
Channel Balance 1
G
G
30
32
34
34
dB
dB
dB
dB
%
VC1
VC1
= -10dBm
O
V
V
= 1.8V, f = 1kHz,
= -20dBm
CC
O
29
-
32
-
V
V
= 2.4V, f = 1kHz,
= -10dBm
CC
O
∆G
∆G
1.0
1.0
V1
V2
V
V
= 1.8V, f = 1kHz,
= -20dBm
-
-
-
CC
O
Channel Balance 2
V
P
= 2.0V, f = 1kHz,
= 1mW
CC
O
Total Harmonic Distortion
THD
RR
0.5
60
1.5
-
V
CC
= 1.8V, f = 100Hz,
Ripple Rejection Ratio
Rg = 1kΩ, V = -20dBm,
43
dB
R
BPF = 100Hz
V
= 2.4V, f = 100Hz,
-
CC
Rg = 1kΩ, V = -10dB
Crosstalk
CT
43
-
50
60
40
-
dB
µVrms
mW
dB
O
V
= 4.5V, Rg = 1kΩ,
CC
BPF = 20Hz ~ 20kHz
Output Noise Voltage
Output Power
V
100
-
NOISE
V
= 3.0V, f = 1kHz,
CC
THD = 10%
P
20
-
OUT
V
= 1.8V, f = 100Hz,
CC
PS = GND, V = -10dB
PS Attenuation Ratio
MUTE Attenuation Ratio
ATT
-80
-80
PS
IN
V
= 1.8V, f = 100Hz,
CC
MUTE = GND, V = -10dB
ATT
-
-
dB
MU
IN
PS ON Input Current
MUTE OFF Input Current
PS ON High Level
I
I
V
CC
V
CC
V
CC
V
CC
= 1.5V, V
= 1.5V, V
= 1.5V, V
= 1.5V, V
≥ 0.85V
≥ 0.85V
≥ 0.85V
≥ 0.85V
-
0.2
0.2
1.0
1.0
-
µA
µA
V
PSON
REF
REF
REF
REF
-
MOFF
V
0.5
0.5
0.65
0.65
HPS
MUTE OFF High Level
V
-
V
HMU
* 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 0.1 Mar. 25, 2003
Page 5 of 9
Fax:886-3-3521052
CERAMATE [ CERAMATE TECHNICAL ]
