參數(shù)資料
型號(hào): PT2256L
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(yè)數(shù): 10/21頁(yè)
文件大小: 409K
代理商: PT2256L
URL:http://www.princeton.com.tw
Fax:886-2-29174598
Tel:886-2-66296288
ELECTRICAL CHARACTERISTICS
(Unless otherwise stated, Ta=25
, VDD=9V)
Parameter
Symbol
Operating supply
voltage
Operating supply
current
Stand-by current
ISB
Backup voltage
VOD
Backup current
IOD
High level input
voltage
PT2256 V1.7
- 10 -
August, 2006
Electronic Volume Controller IC
PT2256
Test Condition
Min.
Typ.
Max.
Unit
VDD
4.5
9.0
12
V
IDD
No load, FOSC=20Hz
-
0.3
1.0
mA
OSC=0V, /INH=0V
-
0.1
-
0.1
-
-
-
-
51
29
22
10
12
1.0
VDD
VDD
0.3VDD
0.7VDD
75
45
32
μA
V
μA
2.0
-
/INH Pin=0V
/UP, /DN, /RST
/INH
/UP, /DN, /RST
/INH
Between IN~AGND resistor
Between IN~LT resistor
Between LT~AGND resistor
0.7VDD
0.8VDD
0
0
45
26
19
VIH
V
Low level input voltage
VIL
V
Voltage resistor
RVR
K
High level input
current
Low level input current
Pull-up resistor
IIH
/INH input pin. VIL=VDD
-1
-
1
μA
IIL
Rup
/INH input pin, VIN=0V
/UP, /DN, /RST input pin
When 0dB, Between
IN1~OUT1 and IN2~OUT2
Resistor
Test attenuation value
Volume resistor error
between left and right
-1
90
-
1
μA
K
110
130
Analog switch on
resistor
RON
-
250
400
Attenuation error
Balance between left
and right
Total harmonic
distortion
Maximum attenuation
Cross noise
Output noise
OSC frequency
ATT
-
0
±
2.0
dB
RVR
-
0
±
3.0
%
THD
0dB
-
0.01
-
%
ATTMAX
CT
VN
FOSC
dB
0dB
0dB
-
-
-
-
80
80
-90
18
-
-
-
-
dB
dB
dB
Hz
FIN=1KHz.
VIN=1Vrms,
RL=100K
Ω
,
Rg=600
Ω
CX=2.2μf, Rx=33K
Ω
FIN=1KHz, VIN=1Vrms,
Volume control=0dB
FIN=1KHz,
volume
control=0dB,
THD<0.08%
Output resistance
ROUT
550
650
750
VDD=9V
-
-
3.5
Maximum input
amplitude
VIN
VDD=12V
-
-
4.0
Vrms
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