參數(shù)資料
型號: PT2256V(L)
廠商: Princeton Technology Corporation
英文描述: Electronic Volume Controller IC
中文描述: 電子音量控制IC
文件頁數(shù): 9/19頁
文件大小: 425K
代理商: PT2256V(L)
URL:http://www.princeton.com.tw
Fax:886-2-29174598
Tel:886-2-66296288
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Ta=25
, VDD=9V)
Parameter
Symbol
Operating Supply Voltage
VDD
Operating Supply Current
IDD
Stand-by Current
ISB
Backup Voltage
VOD
Backup Current
IOD
PT2256V V1.2
- 9 -
August, 2006
Electronic Volume Controller IC
PT2256V
Test Condition
Min.
4.5
-
-
2.0
-
0.7VDD
0.8VDD
0
0
45
26
19
-1
-1
50
Typ.
9.0
0.3
0.3
-
0.1
-
-
-
-
54
29
22
-
-
70
Max.
11
1.0
10
11
1.0
VDD
VDD
0.3VDD
0.7VDD
75
45
32
1
1
100
Unit
V
mA
μA
V
μA
No Load, FOSC=20Hz
OSC=0V, /INH=0V
/INH Pin=0V
/UP, /DN, /RST
/INH
/UP, /DN, /RST
/INH
Between IN~AGND Resistor
Between IN~LT Resistor
Between LT~AGND Resistor
/INH Input Pin, VIL=VDD
/INH Input Pin, VIN=0V
/UP, /DN, /RST Input Pin
When 0dB, Between
IN1~OUT1 and IN2~OUT2
Resistor
ATT Test Attenuation Value
RVR Volume Resistor Error
between Left and Right
THD
ATTMAX
CT
VN
Rg=600
FOSC CX=2.2μf, Rx=33K
FIN=1KHz, VIN=1Vrms,
Volume Control=0dB
FIN=1KHz,
Volume
Control=0dB,
THD<0.08%
High Level Input Voltage
VIH
V
Low Level Input Voltage
VIL
V
Voltage Resistor
RVR
K
High Level Input Current
Low Level Input Current
Pull-up Resistor
IIH
IIL
Rup
mA
mA
K
Analog Switch ON
Resistor
RON
-
400
500
Attenuation Error
Balance between Left and
Right
Total Harmonic Distortion
Maximum Attenuation
Cross Noise
Output Noise
OSC Frequency
-
0
±2.0
dB
-
0
±3.0
%
0dB
dB
0dB
0dB
-
-
-
-
-
0.01
90
90
-100
18
-
-
-
-
-
%
dB
dB
dB
Hz
FIN=1KHz,
VIN=1Vrms,
RL=100K
,
Output Resistance
ROUT
550
650
750
Maximum Input Amplitude
VIN
VDD=9V
-
-
3.5
Vrms
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