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LM4863-N20-R Fiches technique(PDF) 3 Page - Unisonic Technologies

No de pièce LM4863-N20-R
Description  DUAL 2.2W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION
PDF  11 Pages
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Fabricant  UTC [Unisonic Technologies]
Site Internet  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LM4863-N20-R Fiches technique(HTML) 3 Page - Unisonic Technologies

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LM4863
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
3 of 11
www.unisonic.com.tw
QW-R107-027.D
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VDD
6.0
V
Recommended Supply Voltage Range
VDD
2.0 ~ 5.5
V
Input Voltage
VIN
-0.3 ~ VDD+0.3
V
Power Dissipation
PD
Internally limited
Junction Temperature
TJ
+125
℃
Operating Temperature
TOPR
-40 ~ +85
℃
Storage Temperature
TSTG
-65 ~ +150
℃
Note 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
SOP-18
90
℃
/W
DIP-16
63
℃
/W
Thermal resistance (Junction to Ambient)
HTSSOP-20
θJA
90
℃
/W
SOP-18
2
℃
/W
DIP-16
20
℃
/W
Thermal resistance (Junction to Case)
HTSSOP-20
θJC
2
℃
/W
ELECTRICAL CHARACTERISTICS (Notes 1)(VDD=5V, Ta =25 ,
℃
unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIM TYP MAX UNIT
FOR ENTIRE IC
Supply Voltage
VDD
2
5.5
V
High
VIH
4
V
Headphone Input Voltage
Low
VIL
0.8
V
VIN=0V, IOUT=0A, HP-IN=0V
6
11.5
20
Quiescent Power Supply Current
(Note 2)
IDD
VIN=0V, IOUT=0A, HP-IN=4V
5.8
mA
Shutdown Current
ISD
VDD applied to the SHUTDOWN pin
2
0.7
µA
FOR BRIDGED-MODE OPERATION
Output Offset Voltage
VO(OFF) VIN=0V
5
50
mV
RL=3Ω
2.5
THD=1%, f=1kHz
RL=4Ω
2.2
RL=3Ω
3.2
HTSSOP-20
THD+N=10%, f=1kHz
RL=4Ω
2.7
W
THD=1%, f=1kHz
RL=8Ω
1.0
1.1
THD+N=10%, f=1kHz
RL=8Ω
1.5
W
Output Power
(measured at the device
terminals)
SOP/DIP
POUT
THD+N=1%, f=1kHz, RL=32Ω
0.34
W
HTSSOP-20
RL=4Ω, POUT=2W
0.3
Total Harmonic
Distortion + Noise
SOP/DIP
THD+N
20Hz≤f≤20kHz,
AVD=2
RL=8Ω, POUT=1W
0.3
%
Power Supply Rejection Ratio
PSRR
VDD=5V, VRIPPLE=200mVRMS, RL=8Ω,
CB=1.0µF
67
dB
Channel Separation
XTALK
f=1kHz, CB=1.0µF
90
dB
Signal To Noise Ratio
SNR
VDD=5V, POUT=1.1W, RL=8Ω
98
dB



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