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Número de pieza
componentes Descripción
PT2258(2000) Ver la hoja de datos (PDF) - Princeton Technology
Número de pieza
componentes Descripción
Fabricante
PT2258
(Rev.:2000)
6-Channel Electronic Volume Controller IC
Princeton Technology
PT2258 Datasheet PDF : 15 Pages
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Princeton Technology Corp.
Tel : 886-2-29162151
Fax: 886-2-29174598
URL:
http://www.princeton.com.tw
6-Channel Electronic Volume Controller IC
Preliminary
PT2258
ELECTRICAL CHARACTERISTICS
Symbol
V
DD
Is
R
IN
Parameter
Supply Voltage
Supply Current
Input Impedance
V
CL
Maximum Input Voltage
Sc
C
RANGE
A
VMAX
Astep
EA
A
MUTE
THD
Noise
S/N
Channel Separation
Volume Control
Range
Maximum Attenuation
Attenuation Step
Attenuation Error
Mute Attenuation
Total Harmonic
Distortion
Output Noise
Signal-to-Noise Ratio
Ro
Go
Vomax
Output Impedance
Output Gain
Maximum Output
Condition
FL,FR,CTR
SUB,SL,SR
Volume=0dB
THD=1%
Volume=0~-50dB
A-weighting
Volume=0dB
Input,200mVrms
A-weighting
0dB=1Vrms
A-weighting
FL,FR,CENTER
SUB,SL,SR
THD=1%
Min. Typ. Max. Unit
5
9 10
V
8
mA
27
30 35
K
Ω
2.8 3.0 Vrms
90 100 110 dB
79
dB
-79
dB
1
dB
-1.0 0 +1.0 dB
90 95 98 dB
0.003 0.005 0.01 %
3
5
µV
100 105 110 dB
600 900
Ω
-0.5 0 +0.5 dB
2.3 2.6 2.9 Vrms
I
2
C BUS SECTION ELECTRICAL CHARACTERISTICS
Symbol
V
IL
V
IH
T
INIT
PT2258 pre1.0
Parameter
Bus Low Input Level
Bus High Input Level
Bus Initialization
Condition
Cref=10µF
11
Min. Typ. Max. Unit
2.4 2.5 V
2.8 3.0
V
250 300 mS
Updated July 2000
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