參數(shù)資料
型號: PT2259
廠商: Princeton Technology Corporation
英文描述: Volume Controller IC
中文描述: 音量控制IC
文件頁數(shù): 10/21頁
文件大?。?/td> 445K
代理商: PT2259
URL: http://www.princeton.com.tw
Fax: 886-2-29174598
Tel: 886-2-66296288
ABSOLUTE MAXIMUM RATINGS
Parameter
Supply Voltage
Operating Temperature
Storage Temperature
Input Voltage
ELECTRICAL CHARACTERISTICS
(Conditions: Vcc=9V, Vi=1Vrms, f=1kHz, Temp=27°C)
Parameter
Symbol
Operating Voltage
Vcc
Operating Current
Icc
Volume Attenuation
Range
Attenuation Step
ASTEP
Attenuation Step Gain
Error
Interchannel Attenuation
Gain Error
PT2259 V1.2
- 10 -
June, 2005
Volume Controller IC
PT2259
Symbol
Vcc
Topr
Tstg
Vi
Rating
12
-40 ~ +85
-65 ~ +150
-0.3 ~ Vcc + 0.3
Unit
V
°C
°C
V
Testing Conditions
Vcc=9V, Vi=0V
Minimum attenuation
Maximum attenuation
-
Min.
4
-
-
-
-
Typ.
9
2.5
0
-79
1
Max.
12
3
-
-
-
Unit
V
mA
ARANGE
dB
dB
GERR
-
-
0.5
-
dB
CERR
-
-
0.5
-
dB
Maximum Output
Voltage
Vomax
Vcc=9V, freq=1kHz, Volume
Att.=0dB, Rload=50K
,
THD<1%
f=1kHz,
Vol.Att.=0dB,
A-weight Rload
= 50 K
Vin=GND, Mute=OFF,
Volume Att = 0dB, A-weighted
Vin=1Vrms,
Att.=0dB
Vin=2.5Vrms, freq.=1kHz,
Volume Att.=0dB
Vin=2.5Vrms, freq.=1kHz,
Vol. Att.=0dB, A-weighted
Vin=1Vrms,
Volume Att.=-10dB
f = 1kHz
f=1kHz, Vout=100mVrms
2.0
2.3
2.5
Vrms
Vout=2Vrms
-
0.07
0.09
Total Harmonic
Distortion
THD
Vout=
200mVrms
-
0.003 0.005
%
Noise Output
NO
-
2
3
μVrms
No-weighted
A-weighted
95
110
100
120
103
125
Signal-to-Noise Ratio
SNR
dB
Channel Separation
CS
100
120
125
dB
Mute
MUTE
90
95
97
dB
Frequency Response
FR
-
1
1.3
MHz
Input Impedance
Output Impedance
Rin
Rout
-
-
33
6
-
-
K
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