參數(shù)資料
型號: LM4877
廠商: National Semiconductor Corporation
英文描述: 1 Watt Audio Power Amplifier in micro SMD package with Shutdown Logic Low
中文描述: 1瓦音頻功率放大器與關機的micro SMD封裝邏輯低
文件頁數(shù): 2/14頁
文件大?。?/td> 427K
代理商: LM4877
Absolute Maximum Ratings
(Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2500V
250V
150C
Soldering Information
See AN-1112
Micro-SMD Wafers Level Chip Scale
Package
.
Operating Ratings
Temperature Range
T
MIN
T
A
T
MAX
Supply Voltage
40C
T
A
85C
2.0V
V
DD
5.5V
Electrical Characteristics V
DD
= 5V
(Notes 1, 2, 9)
The following specifications apply for V
DD
= 5V and 8
Load unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4877
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
2.0
5.5
7
2
50
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
μA (max)
mV (max)
W
%
I
DD
I
SD
V
OS
P
o
THD+N
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion+Noise
V
IN
= 0V, I
o
= 0A
V
PIN5
= 0V
V
IN
= 0V
THD = 0.2% (max); f = 1 kHz
P
o
= 0.25 Wrms; A
VD
= 2; 20 Hz
f
20 kHz
V
DD
= 4.9V to 5.1V
5.3
0.01
5
1
0.1
PSRR
Power Supply Rejection Ratio
65
dB
Electrical Characteristics V
DD
= 3.3V
(Notes 1, 2, 9)
The following specifications apply for V
DD
= 3.3V and 8
Load unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4877
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
2.0
5.5
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
μA (max)
mV (max)
W
%
I
DD
I
SD
V
OS
P
o
THD+N
Quiescent Power Supply Current
Shutdown Current
Output Offset Voltage
Output Power
Total Harmonic Distortion+Noise
V
IN
= 0V, I
o
= 0A
V
PIN5
= 0V
V
IN
= 0V
THD = 1% (max); f = 1 kHz
P
o
= 0.25 Wrms; A
VD
= 2; 20 Hz
f
20 kHz
V
DD
= 3.2V to 3.4V
4
0.01
5
.5
0.15
.45
PSRR
Power Supply Rejection Ratio
65
dB
Electrical Characteristics V
DD
= 2.6V
(Notes 1, 2, 8, 9)
The following specifications apply for V
DD
= 2.6V and 8
Load unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4877
Units
(Limits)
Typical
(Note 6)
Limit
(Note 7)
2.0
5.5
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
I
DD
Quiescent Power Supply Current
V
IN
= 0V, I
o
= 0A
3.4
L
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