參數(shù)資料
型號(hào)： LM4858MM
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： Mono 1.5 W / Stereo 300mW Power Amplifier
中文描述： 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10
封裝： 0.118 INCH, 0.50 MM PITCH, MSOP-10
文件頁(yè)數(shù)： 4/17頁(yè)
文件大?。?/td> 683K
代理商： LM4858MM
Electrical Characteristics
(Notes 2, 8)
The following specifications apply for V
DD
= 3.3V, T
A
= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4858
Units
(Limits)
Typical
(Note 5)
Limit
(Note 6)
I
DD
Supply Current
BTL Mode; V
IN
= 0V; I
O
= 0A
SE Mode; V
IN
= 0V; I
O
= 0A
SD Mode; V
SHUTDOWN
= V
DD
BTL Mode; A
V
= 2
BTL OUT+ to BTL OUT
BTL Mode; R
L
= 8
THD+N = 1%
SE Mode; R
L
= 32
THD+N = 1%
SHUTDOWN, HP-IN
SHUTDOWN, HP-IN
2.0
2.0
12
5.0
mA
mA
μA
mV
I
SD
V
OS
Shutdown Current
Output Offset Voltage
40
P
O
Output Power
440
mW
40
mW
V
IH
V
IL
Input Voltage High
Input Voltage Low
2.0
0.8
V (min)
V (max)
Electrical Characteristics
(Notes 2, 8)
The following specifications apply for V
DD
= 2.7V, T
A
= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4858
Units
(Limits)
Typical
(Note 5)
Limit
(Note 6)
I
DD
Supply Current
BTL Mode; V
IN
= 0V; I
O
= 0A
SE Mode; V
IN
= 0V; I
O
= 0A
SD Mode; V
SHUTDOWN
= V
DD
BTL Mode; A
V
= 2
BTL OUT+ to BTL OUT
BTL Mode; R
L
= 8
THD+N = 1%
SE Mode; R
L
= 32
THD+N = 1%
SHUTDOWN, HP-IN
SHUTDOWN, HP-IN
1.8
1.8
10
5.0
mA
mA
μA
mV
I
SD
V
OS
Shutdown Current
Output Offset Voltage
40
P
O
Output Power
300
mW
25
mW
V
IH
V
IL
Shutdown Input Voltage High
Shutdown Input Voltage Low
2.0
0.8
V (min)
V (max)
Note 2:
Absolute Maximum Rating indicate limits beyond which damage to the device may occur.
Note 3:
Operating Ratings indicate conditions for which the device is functional, but do not guarantee specific performance limits. For guaranteed specifications and
test conditions, see the Electrical Characteristics. The guaranteed specifications apply only for the test conditions listed. Some performance characteristics may
degrade when the device is not operated under the listed test conditions.
Note 4:
Human body model, 100pF discharged through a 1.5k
resistor.
Note 5:
Typical specifications are specified at +25C and represent the most likely parametric norm.
Note 6:
Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 7:
Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200pF cap is charged to the specified voltage, then discharged directly into the
IC with no external series resistor (resistance of discharge path must be under 50
).
Note 8:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 9:
Limits are guaranteed to National’s AOQL ( Average Outgoing Quality Level ).
Note 10:
The given
θ
JA
is for an LM4858LD with the Exposed-DAP soldered to an exposed 1in
2
area of 1oz printed circuit board copper.
L
www.national.com
4
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