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參數(shù)資料
| 型號(hào)： | LM4876MDC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封裝： | DIE |
| 文件頁(yè)數(shù)： | 6/13頁(yè) |
| 文件大?。?/td> | 331K |
| 代理商： | LM4876MDC |
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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
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)
2500V
ESD Susceptibility (Note 5)
250V
Junction Temperature
150C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
See AN-450
″Surface Mounting and their Effects on
Product Reliability
″ for other methods of
soldering surface mount devices.
θ
JC (typ) — MUB10A
56C/W
θ
JA (typ) — MUB10A
210C/W
θ
JC (typ) — M08A
35C/W
θ
JA (typ) — M08A
140C/W
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤ TMAX
40C
≤ T
A ≤ 85C
Supply Voltage
2.0V
≤ V
DD ≤ 5.5V
Electrical Characteristics (Notes 1, 2)
The following specifications apply for V
DD = 5V unless otherwise specified. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4876
Units
(Limits)
Typical
Limit
(Note 6)
(Note 7)
V
DD
Supply Voltage
2.0
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A
6.5
10.0
mA (max)
I
SD
Shutdown Current
V
PIN1 = 0V
0.01
2
A (max)
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
o
Output Power
THD = 0.5% (max);f=1 kHz;
R
L =8
1.10
1.0
W (min)
THD+N = 10%;f=1 kHz;
R
L =8
1.5
W
THD+N
Total Harmonic Distortion+Noise
P
o = 1 Wrms; AVD =2;20Hz ≤ f
≤ 20 kHz; R
L =8
0.25
%
PSRR
Power Supply Rejection Ratio
V
DD = 4.9V to 5.1V
65
dB
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 func-
tional, but do not guarantee specific performance limits.
Electrical Characteristics state DC and AC electrical specifications under particular test conditions that guar-
antee specific performance limits. This assumes that the device operates within the Operating Ratings. Specifications are not guaranteed for parameters where no
limit is given. The typical value, however, is a good indication of device performance.
Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature TA. The maximum
allowable power dissipation is PDMAX =(TJMAX–TA)/θJA or the number given in Absolute Maximum Ratings, whichever is lower. For the LM4876, TJMAX = 150C. The
typical junction-to-ambient thermal resistance is 140C/W for the M08A package and 210C/W for the MUB10A package.
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).
Electrical Characteristics V
DD = 5/3.3/2.6V
Symbol
Parameter
Conditions
LM4876
Units
(Limits)
Typical
Limit
(Note 6)
(Note 7)
V
IH
Shutdown Input Voltage High
1.2
V(min)
V
IL
Shutdown Input Voltage Low
0.4
V(max)
LM4876
www.national.com
2
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