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参数资料
| 型号： | LM4871N/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.5 W, 1 CHANNEL, AUDIO AMPLIFIER, PDIP8 |
| 封装： | DIP-8 |
| 文件页数： | 10/16页 |
| 文件大小： | 472K |
| 代理商： | LM4871N/NOPB |
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
Supply Temperature
65C to +150C
Input Voltage
0.3V to V
DD to +0.3V
Power Dissipation (Note 4)
Internally Limited
ESD Susceptibility (Note 5)
5000V
ESD Susceptibility (Note 6)
250V
Junction Temperature
150C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
θ
JC (typ) — M08A
35C/W
θ
JA (typ) — M08A
140C/W
θ
JC (typ) — N08E
37C/W
θ
JA (typ) — N08E
107C/W
θ
JC (typ) — MUA08A
56C/W
θ
JA (typ) — MUA08A
210C/W
θ
JC (typ) — LDC08A
4.3C/W
θ
JA (typ) — LDC08A
56C/W (Note 9)
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
2.0V
≤ V
DD
≤ 5.5V
Electrical Characteristics(Notes 2, 3)
The following specifications apply for V
DD = 5V and RL =8
unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4871
Min
Typical
Limit
Units
(Limits)
V
DD
Supply Voltage
2.0
5.5
V
I
DD
Quiescent Power Supply
Current
V
IN = 0V, Io = 0A
6.5
10.0
mA
I
SD
Shutdown Current
V
PIN1 =VDD
0.6
2
A
V
OS
Output Offset Voltage
V
IN = 0V
5.0
50
mV
P
o
Output Power
THD = 1%, f = 1kHz
LM4871LD, R
L =3
LM4871LD, R
L =4
LM4871, R
L =8
2.38
2
1.2
W
THD+N = 10%, f = 1kHz
LM4871LD, R
L =3
LM4871LD, R
L =4
LM4871, R
L =8
3
2.5
1.5
W
THD+N
Total Harmonic
Distortion+Noise
20Hz
≤ f ≤ 20kHz, A
VD =2
LM4871LD, R
L =4
,P
O = 1.6W
LM4871, R
L =8
,P
O =1W
0.13
0.25
%
PSRR
Power Supply Rejection
Ratio
V
DD = 4.9V to 5.1V
60
dB
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 and AC 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: All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 4: 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 LM4871, TJMAX = 150C.
For the
θJA’s for different packages, please see the Application Information section or the Absolute Maximum Ratings section.
Note 5: Human body model, 100pF discharged through a 1.5k
resistor.
Note 6: Machine Model, 220pF–240pF discharged through all pins.
Note 7: Typicals are specified at 25C and represent the parametric norm.
Note 8: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 9: The given
θJA is for an LM4871 packaged in an LDC08A with the Exposed–DAP soldered to an exposed 1in2 area of 1oz printed circuit board copper.
Note 10: When driving 3
or 4 loads from a 5V supply, the LM4871LD must be mounted to a circuit board.
LM4871
www.national.com
3
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| LM4872IBPX | 功能描述:IC AMP AUDIO PWR 1W MONO 8USMD RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
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| LM4872ITP/NOPB | 功能描述:IC AMP AUDIO PWR 1W MONO 8USMD RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
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