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PT2256VL Datasheet(PDF) 9 Page - Princeton Technology Corp

Part # PT2256VL
Description  Electronic Volume Controller IC
PDF  19 Pages
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Manufacturer  PTC [Princeton Technology Corp]
Direct Link  http://www.princeton.com.tw
Logo PTC - Princeton Technology Corp

PT2256VL Datasheet(HTML) 9 Page - Princeton Technology Corp

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



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