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參數(shù)資料
| 型號： | LM4901IBL |
| 元件分類： | 音頻放大器 |
| 英文描述： | AUDIO AMPLIFIER|SINGLE|BGA|9PIN|PLASTIC |
| 中文描述： | 音頻放大器|單| BGA封裝| 9針|塑料 |
| 文件頁數(shù)： | 4/22頁 |
| 文件大?。?/td> | 1177K |
| 代理商： | LM4901IBL |
Electrical Characteristics V
DD
= 3V
(Notes 1, 2)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A
=
25C. (Continued)
Symbol
Parameter
Conditions
LM4901
Units
(Limits)
Typical
(Note 6)
7
Limit
(Notes 7, 9)
50
9.7
7.0
V
OS
R
OUT
Output Offset Voltage
mV (max)
k
(max)
k
(min)
mW
mW
mS (max)
%
Resistor Output to GND (Note 10)
8.5
P
o
Output Power (8
)
THD = 1% (max); f = 1 kHz
THD = 1% (max); f = 1 kHz
390
525
75
0.1
(4
)
T
WU
THD+N
Wake-up time
Total Harmonic Distortion+Noise
P
o
= 0.25 Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
Input terminated with 10
PSRR
Power Supply Rejection Ratio
62 (f =
217Hz)
68 (f = 1kHz)
55
dB (min)
Electrical Characteristics V
DD
= 2.6V
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
LM4901
Units
(Limits)
Typical
(Note 6)
2.0
3.0
0.1
1.0
0.9
1.2
1.0
5
Limit
(Notes 7, 9)
I
DD
Quiescent Power Supply Current
V
IN
= 0V, I
o
= 0A, No Load
V
IN
= 0V, I
o
= 0A, 8
Load
V
SD
= V
SD Mode
(Note 8)
V
SD MODE
= V
DD
V
SD MODE
= V
DD
V
SD MODE
= GND
V
SD MODE
= GND
mA (max)
mA (max)
μA (max)
V (min)
V (max)
V (min)
V (max)
mV (max)
k
(max)
k
(min)
I
SD
V
SDIH
V
SDIL
V
SDIH
V
SDIL
V
OS
R
OUT
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
50
9.7
7.0
Resistor Output to GND (Note 10)
8.5
P
o
Output Power ( 8
)
THD = 1% (max); f = 1 kHz
THD = 1% (max); f = 1 kHz
275
340
70
0.1
mW
( 4
)
T
WU
THD+N
Wake-up time
Total Harmonic Distortion+Noise
mS (max)
%
P
o
= 0.15 Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
Input terminated with 10
PSRR
Power Supply Rejection Ratio
51 (f =
217Hz)
51 (f = 1kHz)
dB (min)
Note 1:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2:
Absolute Maximum Ratings
indicate limits beyond which damage to the device may occur.
Operating Ratings
indicate conditions for which the device is
functional, but do not guarantee specific performance limits.
Electrical Characteristics
state DC andAC electrical specifications under particular test conditions which
guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit
is given, however, the typical value is a good indication of device performance.
Note 3:
The maximum power dissipation must be derated at elevated temperatures and is dictated by T
JMAX
,
θ
JA
, and the ambient temperature T
A
. The maximum
allowable power dissipation is P
DMAX
= (T
JMAX
–T
A
)/
θ
JA
or the number given inAbsolute Maximum Ratings, whichever is lower. For the LM4901, see power derating
curves for additional information.
Note 4:
Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 5:
Machine Model, 220 pF–240 pF discharged through all pins.
Note 6:
Typicals are measured at 25C and represent the parametric norm.
Note 7:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 8:
For micro SMD only, shutdown current is measured in a Normal Room Environment. Exposure to direct sunlight will increase I
SD
by a maximum of 2μA.
Note 9:
Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 10:
R
ROUT
is measured from the output pin to ground. This value represents the parallel combination of the 10k
output resistors and the two 20k
resistors.
L
www.national.com
4
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| LM4901IBLX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AUDIO AMPLIFIER|SINGLE|BGA|9PIN|PLASTIC |
| LM4901IBP | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AUDIO AMPLIFIER|SINGLE|BGA|8PIN|PLASTIC |
| LM4901IBPX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AUDIO AMPLIFIER|SINGLE|BGA|8PIN|PLASTIC |
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