參數(shù)資料
型號: PT2258L
廠商: Princeton Technology Corporation
英文描述: 6-Channel Electronic Volume Controller IC
中文描述: 6通道電子音量控制IC
文件頁數(shù): 11/17頁
文件大?。?/td> 236K
代理商: PT2258L
URL: http://www.princeton.com.tw
Fax: 886-2-29174598
Tel: 886-2-66296288
ABS OLUT E MAX IMUM RAT INGS
Parameter
Supply Voltage
Operation Temperature
Storage Temperature
ELECT RICAL CHARACT ERIS T ICS
(V
DD
=9V, V
I
=1Vrms, f=1KHz, Temp=27
Parameter
Symbol
Supply Voltage
V
DD
Supply Current
Is
Input Impedance
R
IN
Max. Input Voltage
V
CL
Channel Separation
Sc
Volume Control Range Crange
Max. Attenuation
Avmax
Attenuation Step
Astep
Attenuation Error
EA
Mute Attenuation
AMUTE
Total Harmonic
Distortion
Output Noise
Noise
Signal-Noise Ratio
S/N
Output Impedance
Ro
Output Gain
Go
PT2258 V1.2
- 11 -
July, 2005
6-Channel Electronic Volume Controller IC
PT2258
Symbol
Vs
Topr
Tstg
Ratings
12
-40
+85
-65
+150
Unit
V
)
Conditions
Min.
5
7
22
-
90
-
-
-
-1.0
90
Typ.
9
10
33
2.8
100
79
-79
1
0
95
Max.
10
12
42
3.0
110
-
-
-
+1.0
98
Unit
V
mA
K
Vrms
dB
dB
dB
dB
dB
dB
FL, FR, CTR, SUB, SL, SR
Volume=0dB, THD=1%
Volume=0
-50dB
A-weighting
THD
Volume=0dB, input 200mVrms
0.003
0.005
0.01
%
A-weighting
-
3
5
μ
V
dB
0dB=1Vrms, A-weighting
FL, FR, CENTER, SUB, SL, SR
THD=1%
100
-
-0.5
105
600
0
110
900
+0.5
dB
Max. Output Voltage
Vomax
2.3
2.5
2.8
Vrms
I
2
C Section
Bus Low Input Level
Bus High Input Level
Bus Initialization
V
IL
V
IH
T
INIT
0
2.8
-
2.4
3.0
250
2.5
V
DD
300
V
V
mS
Cref=10
μ
F
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