Tel:886-2-66296288
Fax:886-2-29174598
URL:http://www.princeton.com.tw
Headphone Driver IC
PT2309
ABSOLUTE MAXIMUM RATINGS
Parameter
Supply Voltage
Operating Temperature
Storage Temperature
Symbol
VDD
Topr
Tstg
Condition
Min.
0
-40
-65
Max.
7
+85
+150
Unit
V
℃
℃
Maximum Input Voltage
Vimax
-0.3
Vcc+0.3
V
Maximum Input Current
Iimax
*
-10
+10
mA
Note: * Input pins surge current can reach 100mA does not induce the CMOS latched up.
ELECTRICAL CHARACTERISTICS
Unless otherwise, Vcc=5V，CB=47µF，bandwidth=22~22KHz
Parameter
Symbol
Conditions
Supply Voltage
VDD
Normal Mode
Operating Current
Is
Mute Mode
Voltage Gain
Vg
Two Channels Gain
Vgerr
Error
Vin = 1Vrms，RL = 32Ω
THD+N
THD
Vin = 1Vrms，RL = 5.1KΩ
Power Output
Signal-to-Noise Ratio
Channel Separation
Power Supply
Rejection Ratio
Mute
Mute Voltage
Po
SNR
CS
PSRR
mute
Vmute
THD=0.1%，RL=32Ω
THD=0.1%，RL=16Ω
Input=GND，A-Weighted
F=1KHz
F=100~20KHz
Vr=100mVrms，F=100Hz
MUTE=GND，F=1KHz
VIH, MUTE= OFF
VIL, MUTE= ON
Min.
3
6
4.5
-1
-0.5
0.01
0.003
35
65
102
90
80
45
60
1
0.8
Typ.
5
7.5
6
0
0
0.03
0.005
45
75
105
100
90
55
75
1.1
0.9
Max.
6
9
7.5
+1
+0.5
0.06
0.01
55
85
110
105
95
65
80
1.4
1
%
mW
dB
dB
dB
dB
Vcc
Unit
V
mA
mA
dB
PT2309 V1.2
-6-
August, 2006
PTC [ PRINCETON TECHNOLOGY CORP ]
