參數(shù)資料
型號: LM4893MM
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 1.1 Watt Audio Power Amplifier
中文描述: 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10
封裝: MSOP-10
文件頁數(shù): 3/22頁
文件大小: 705K
代理商: LM4893MM
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 (Note 9)
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
Thermal Resistance
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
150C
θ
JA
(TLA09AAA)
θ
JC
(MUB10A)
θ
JA
(MUB10A)
θ
JC
(M08A)
θ
JA
(M08A)
180C/W (Note 10)
56C/W
190C/W
35C/W
150C/W
Operating Ratings
Temperature Range
T
MIN
T
A
T
MAX
Supply Voltage
40C
T
A
85C
2.2V
V
DD
5.5V
Electrical Characteristics V
DD
= 5V
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4893
Units
(Limits)
Typical
(Note 6)
5
0.1
5
1.1
0.1
68 (f = 1kHz)
62 (f =
217Hz)
Limit
(Notes 7, 8)
10
2.0
40
0.9
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, 8
BTL
V
shutdown
= GND
mA (max)
μA (max)
mV (max)
W (min)
%
THD = 1% (max); f = 1kHz
P
o
= 0.4Wrms; f = 1kHz
V
ripple
= 200mVsine p-p, C
B
=
1.0μF
Input terminated with 10
to
ground
PSRR
Power Supply Rejection Ratio
55
dB (min)
V
SDIH
V
SDIL
Shutdown High Input Voltage
Shutdown Low Input Voltage
1.4
0.4
V (min)
V (max)
N
OUT
Output Noise
A-Weighted; Measured across 8
BTL
Input terminated with 10
to
ground
26
μV
RMS
Electrical Characteristics V
DD
= 3.0V
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4893
Units
(Limits)
Typical
(Note 6)
4.5
0.1
5
350
0.1
68 (f = 1kHz)
62 (f =
217Hz)
Limit
(Notes 7, 8)
9
2.0
40
320
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, 8
BTL
V
shutdown
= GND
mA (max)
μA (max)
mV (max)
mW
%
THD = 1% (max); f = 1kHz
P
o
= 0.15Wrms; f = 1kHz
V
ripple
= 200mVsine p-p, C
B
=
1.0μF
Input terminated with 10
to
ground
PSRR
Power Supply Rejection Ratio
55
dB (min)
V
SDIH
V
SDIL
Shutdown High Input Voltage
Shutdown Low Input Voltage
1.4
0.4
V (min)
V (max)
L
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