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LM4811 Datasheet(PDF) 4 Page - Unisonic Technologies

No. de pieza LM4811
Descripción Electrónicos  DUAL 105mW HEADPHONE AMPLIFIER WITH DIGITAL VOLUME CONTROL AND SHUTDOWN MODE
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Fabricante Electrónico  UTC [Unisonic Technologies]
Página de inicio  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LM4811 Datasheet(HTML) 4 Page - Unisonic Technologies

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LM4811
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
4 of 9
www.unisonic.com.tw
QW-R502-560.a
ABSOLUTE MAXIMUM RATING (TC = 25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
6.0
V
Junction Temperature
TJ
150
Storage Temperature
TSTG
-65~ +150
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Junction to Ambient
θJA
194
°C/W
Junction to Case
θJC
52
°C/W
OPERATING RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
2.0 ~ 5.5
V
Operating Temperature
TA
-40 ~ 85
°C
ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified) (Note 4, 5)
For VDD=5V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP
MAX
UNIT
Supply Voltage
VDD
2.0
5.5
V
Supply Current
IDD
VIN=0V, IO=0A
1.3
3.0
mA
Shutdown Current
ISD
VIN=0V
0.3
μA
Output Offset Voltage
VOS
VIN=0V
4.0
50
mV
RL=16Ω
105
mW
Output Power
PO
THD+N=0.1%, f=1kHz
RL=32Ω
70
mW
Total Harmonic Distortion
THD+N
PO=50mW, RL=32Ω, f=20Hz~20kHz
0.3
%
Channel Separation
Crosstalk RL=32Ω, f=1kHz, PO=70mW
100
dB
Power Supply Rejection Ratio
PSRR
CB=1.0μF,VRIPPLE=100mVPP,
f=217Hz
60
dB
High
VIH
1.4
V
Input Voltage
(Clock, UP/DN, Shutdown)
Low
VIL
0.4
V
Input referred minimum gain
-33
dB
Digital Volume Range
Input referred maximum gain
+12
dB
Digital Volume Stepsize
All 16 discrete steps
3.0
dB
Stepsize Error
All 16 discrete steps
±0.3
dB
Channel-to-Channel Volume
Tracking Error
All gain settings from -33dB ~ +12dB
0.15
dB
Shutdown Attenuation
Shutdown mode active
-100
dB


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