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参数资料
| 型号： | LM4808MWC |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.15 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC |
| 封装： | WAFER |
| 文件页数： | 14/20页 |
| 文件大小： | 835K |
| 代理商： | LM4808MWC |
Absolute Maximum Ratings (Note 3)
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 4)
Internally limited
ESD Susceptibility (Note 5)
3500V
ESD Susceptibility (Note 6)
250V
Junction Temperature
150C
Soldering Information (Note 1)
Small Outline Package
Vapor Phase (60 seconds)
215C
Infrared (15 seconds)
220C
Thermal Resistance
θ
JC (MSOP)
56C/W
θ
JA (MSOP)
210C/W
θ
JC (SOP)
35C/W
θ
JA (SOP)
170C/W
θ
JC (LLP)
15C/W
θ
JA (LLP)
117C/W (Note 9)
θ
JA (LLP)
150C/W (Note 10)
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤ TMAX
40C
≤ T
A ≤ 85C
Supply Voltage
2.0V
≤ V
DD ≤ 5.5V
Note 1: See AN-450 “Surface Mounting and their Effects on Product Reli-
ability” for other methods of soldering surface mount devices.
Electrical Characteristics (Notes 2, 3)
The following specifications apply for V
DD = 5V unless otherwise specified, limits apply to TA = 25C.
Symbol
Parameter
Conditions
LM4808
Units
(Limits)
Typ (Note
Limit (Note
V
DD
Supply Voltage
2.0
V (min)
5.5
V (max)
I
DD
Supply Current
V
IN = 0V, IO = 0A
1.2
3.0
mA (max)
P
tot
Total Power Dissipation
V
IN = 0V, IO = 0A
6
16.5
mW (max)
V
OS
Input Offset Voltage
V
IN = 0V
10
50
mV (max)
Ibias
Input Bias Current
10
pA
V
CM
Common Mode Voltage
0V
4.3
V
G
V
Open-Loop Voltage Gain
R
L =5k
67
dB
Io
Max Output Current
THD+N < 0.1 %
70
mA
R
O
Output Resistance
0.1
V
O
Output Swing
R
L =32, 0.1% THD+N, Min
.3
V
R
L =32, 0.1% THD+N, Max
4.7
PSRR
Power Supply Rejection Ratio
Cb = 1.0F, Vripple = 100mV
PP,
f = 100Hz
89
dB
Crosstalk
Channel Separation
R
L =32
75
dB
THD+N
Total Harmonic Distortion + Noise
f=1kHz
R
L =16,
V
O =3.5VPP (at 0 dB)
0.05
%
66
dB
R
L =32,
V
O =3.5VPP (at 0 dB)
0.05
%
66
dB
SNR
Signal-to-Noise Ratio
V
O = 3.5Vpp (at 0 dB)
105
dB
f
G
Unity Gain Frequency
Open Loop, R
L =5k
5.5
MHz
P
o
Output Power
THD+N = 0.1%,f=1kHz
R
L =16
105
mW
R
L =32
70
60
mW
THD+N = 10%,f=1kHz
R
L =16
150
mW
R
L =32
90
mW
C
I
Input Capacitance
3
pF
LM4808
www.national.com
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相关代理商/技术参数 |
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| LM4809LD | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode |
| LM4809LD/NOPB | 功能描述:IC AMP AUDIO PWR .105W STER 8LLP 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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