參數(shù)資料
型號： LM4897MM
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 with Fade-In and Fade-Out
中文描述： 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10
封裝： MSOP-10
文件頁數(shù)： 3/14頁
文件大?。?/td> 612K
代理商： LM4897MM
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 2)
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
Junction Temperature
Thermal Resistance
θ
JC
(MUB10A)
θ
JA
(MUB10A)
150C
56C/W
190C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.6V
≤
V
DD
≤
5.5V
Electrical Characteristics V
DD
= 5.0V
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
LM4897
Units
(Limits)
Typical
(Note 6)
5
0.1
4
1.1
0.1
63 (f = 1kHz)
62 (f =
217Hz)
Limit
(Notes 7, 8)
9
2
30
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+N = 1% (max), f = 1kHz
P
o
= 0.4Wrms, f = 1kHz
V
ripple
= 200mVpp sine wave,
C
B
= 1.0μF
Input terminated with 10
to GND
PSRR
Power Supply Rejection Ratio
55
55
dB (min)
V
SDIH
V
SDIL
Shutdown High Input Voltage
Shutdown Low Input Voltage
1.4
0.4
V (min)
V (max)
V
ON
Output Noise
A-Weighted, Measured across 8
BTL
Input terminated with 10
to
ground
C
BYPASS
= 1μF
26
μV
RMS
T
ON
Turn-On Time
25
35
ms (max)
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
LM4897
Units
(Limits)
Typical
(Note 6)
4
0.1
350
4
0.1
63 (f = 1kHz)
62 (f =
217Hz)
Limit
(Notes 7, 8)
8
2
320
30
I
DD
I
SD
P
o
V
OS
THD+N
Quiescent Power Supply Current
Shutdown Current
Output Power
Output Offset Voltage
Total Harmonic Distortion+Noise
V
IN
= 0V, 8
BTL
V
shutdown
= GND
THD+N = 1% (max), f = 1kHz
mA (max)
μA (max)
mW (min)
mV (max)
%
P
o
= 0.15Wrms, f = 1kHz
V
ripple
= 200mVpp sine wave,
C
B
= 1.0μF
Input terminated with 10
to
ground
PSRR
Power Supply Rejection Ratio
55
55
dB (min)
V
SDIH
V
SDIL
Shutdown High Input Voltage
Shutdown Low Input Voltage
1.4
0.4
V (min)
V (max)
V
ON
Output Voltage Noise
A-Weighted, Measured across 8
BTL
Input terminated with 10
to
ground
26
μV
RMS
L
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