參數(shù)資料
型號(hào)： L4863-S18-T
廠商： 友順科技股份有限公司
元件分類(lèi)： 運(yùn)動(dòng)控制電子
英文描述： DUAL 2.2W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION
中文描述： 雙2.2W的音頻放大器，還有立體聲耳機(jī)功能
文件頁(yè)數(shù)： 3/10頁(yè)
文件大?。?/td> 459K
代理商： L4863-S18-T
L4863
CMOS IC
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 10
QW-R107-050,A
ABS OLUT E MAX IMUM RAT ING
PARAMETER
SYMBOL
V
DD
V
DD
V
IN
P
D
T
J
T
OPR
T
STG
RATINGS
6.0
2.0 ~ 5.5
-0.3 ~ V
DD
+0.3
Internally limited
+125
-40 ~ +85
-65 ~ +150
UNIT
V
V
V
℃
℃
℃
Supply Voltage
Recommended Supply Voltage Range
Input Voltage
Power Dissipation
Junction Temperature
Operating Temperature
Storage Temperature
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.
ELECT RICAL CHARACT ERIST ICS
(
Notes 1
)
(V
DD
=5V, Ta =25
,
℃
unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
FOR ENT IRE IC
Supply Voltage
Quiescent Power Supply Current
(Note 2)
Shutdown Current
V
DD
2
6
2
4
5.5
20
V
V
IN
=0V, I
OUT
=0A, HP-IN=0V
V
IN
=0V, I
OUT
=0A, HP-IN=4V
V
DD
applied to the SHUTDOWN pin
11.5
5.8
0.7
I
DD
mA
I
SD
V
IH
V
IL
μ
A
V
V
High
Low
Headphone Input Voltage
0.8
FOR BRIDGED-MODE OPERAT ION
Output Offset Voltage
V
O(OFF)
V
IN
=0V
5
50
mV
R
L
=3
R
L
=4
R
L
=3
R
L
=4
R
L
=8
R
L
=8
2.5
2.2
3.2
2.7
1.1
1.5
0.34
0.3
0.3
THD=1%, f=1kHz
HTSSOP-20
THD+N=10%, f=1kHz
W
THD=1%, f=1kHz
THD+N=10%, f=1kHz
THD+N=1%, f=1kHz, RL=32
20Hz
≤
f
≤
20kHz,
A
VD
=2
V
DD
=5V, V
RIPPLE
=200mV
RMS
, R
L
=8
,
C
B
=1.0
μ
F
f=1kHz, C
B
=1.0
μ
F
V
DD
=5V, P
OUT
=1.1W, R
L
=8
1.0
W
Output Power
(measured at the device
terminals)
SOP/DIP
P
OUT
W
HTSSOP-20
SOP/DIP
R
L
=4
, P
OUT
=2W
R
L
=8
, P
OUT
=1W
Total
Distortion + Noise
Harmonic
THD+N
%
Power Supply Rejection Ratio
PSRR
67
dB
Channel Separation
Signal To Noise Ratio
FOR S INGLE-ENDED OPERAT ION
Output Offset Voltage
X
TALK
SNR
90
98
dB
dB
V
O(OFF)
V
IN
=0V
THD=0.5%, f=1kHz, R
L
=32
THD+N=1%, f=1kHz, R
L
=8
THD+N=10%, f=1kHz, R
L
=8
A
V
=-1, P
OUT
=75mW,20Hz
≤
f
≤
20kHz,
R
L
=32
C
B
=1.0
μ
F, V
RIPPLE
=200mV
RMS,
f=1kHz
f=1kHz, C
B
=1.0
μ
F
V
DD
=5V, P
OUT
=340mW, R
L
=8
5
85
340
440
50
mV
75
Output Power
P
OUT
mW
Total Harmonic Distortion + Noise
THD+N
0.2
%
Power Supply Rejection Ratio
Channel Separation
Signal To Noise Ratio
Note:1
. All voltages are measured with respect to the ground (GND) pins, unless otherwise specified.
2. Depends on the offset voltage when a practical load is connected to the amplifier.
3. When driving 3
or 4
and operating on a 5V supply, the HTSSOP-20 package must be mounted to the
circuit board that has a minimum of 2.5 in
2
of exposed, uninterrupted copper area connected to the
exposed-DAP.
PSRR
X
TALK
SNR
52
60
95
dB
dB
dB
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