參數(shù)資料
型號: LM4893M
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 音頻/視頻放大
英文描述: 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝: SO-8
文件頁數(shù): 16/22頁
文件大?。?/td> 687K
代理商: LM4893M
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)
6.0V
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD +0.3V
Power Dissipation (Note 3)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150C
Thermal Resistance
θ
JA (TLA09AAA)
180C/W (Note 10)
θ
JC (MUB10A)
56C/W
θ
JA (MUB10A)
190C/W
θ
JC (M08A)
35C/W
θ
JA (M08A)
150C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
2.2V
≤ V
DD
≤ 5.5V
Electrical Characteristics V
DD =5V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4893
Units
(Limits)
Typical
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN = 0V, 8
BTL
5
10
mA (max)
I
SD
Shutdown Current
V
shutdown = GND
0.1
2.0
A (max)
V
OS
Output Offset Voltage
5
40
mV (max)
P
o
Output Power
THD = 1% (max); f = 1kHz
1.1
0.9
W (min)
THD+N
Total Harmonic Distortion+Noise
P
o = 0.4Wrms; f = 1kHz
0.1
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mVsine p-p, CB =
1.0F
Input terminated with 10
to
ground
68 (f = 1kHz)
62 (f =
217Hz)
55
dB (min)
V
SDIH
Shutdown High Input Voltage
1.4
V (min)
V
SDIL
Shutdown Low Input Voltage
0.4
V (max)
N
OUT
Output Noise
A-Weighted; Measured across 8
BTL
Input terminated with 10
to
ground
26
V
RMS
Electrical Characteristics V
DD = 3.0V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4893
Units
(Limits)
Typical
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN = 0V, 8
BTL
4.5
9
mA (max)
I
SD
Shutdown Current
V
shutdown = GND
0.1
2.0
A (max)
V
OS
Output Offset Voltage
5
40
mV (max)
P
o
Output Power
THD = 1% (max); f = 1kHz
350
320
mW
THD+N
Total Harmonic Distortion+Noise
P
o = 0.15Wrms; f = 1kHz
0.1
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mVsine p-p, CB =
1.0F
Input terminated with 10
to
ground
68 (f = 1kHz)
62 (f =
217Hz)
55
dB (min)
V
SDIH
Shutdown High Input Voltage
1.4
V (min)
V
SDIL
Shutdown Low Input Voltage
0.4
V (max)
LM4893
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