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参数资料
| 型号： | LM4809M |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 0.105 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封装： | M08A |
| 文件页数： | 7/14页 |
| 文件大小： | 694K |
| 代理商： | LM4809M |
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
ESD Susceptibility (Note 5)
3.5kV
ESD Machine model (Note 6)
250V
Junction Temperature (T
J)
150C
Soldering Information (Note 1)
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
Thermal Resistance
θ
JA (MSOP)
210C/W
θ
JC (MSOP)
56C/W
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤ TMAX
40C
≤ T
A ≤ 85C
Supply Voltage (V
CC)
2.0V
≤ V
CC ≤ 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
LM4809
Units (Limits)
Typ
(Note 5)
Limit
(Note 7)
V
DD
Supply Voltage
2.0
V (min)
5.5
V (max)
I
DD
Supply Current
V
IN = 0V, IO = 0A
1.4
3
mA (max)
I
SD
Shutdown Current
V
IN = 0V
0.4
2
A(max)
V
OS
Output Offset Voltage
V
IN = 0V
4.0
50
mV(max)
P
O
Output Power
THD+N = 0.1%, f = 1kHz
R
L =16
105
mW
R
L =32
70
65
mW (min)
THD+N
Total Harmonic Distortion
P
O = 50mW, RL =32
f = 20Hz to 20kHz
0.3
%
Crosstalk
Channel Separation
R
L =32;PO = 70mW
70
dB
PSRR
Power Supply Rejection Ratio
C
B = 1.0F; VRIPPLE = 200mVPP,
f = 1kHz; Input terminated into
50
70
dB
Electrical Characteristics (Notes 2, 3)
The following specifications apply for V
DD = 3.3V unless otherwise specified, limits apply to TA = 25C.
Symbol
Parameter
Conditions
LM4809
Units (Limits)
Typ
(Note 5)
Limit
(Note 7)
I
DD
Supply Current
V
IN = 0V, IO = 0A
1.1
mA
I
SD
Shutdown Current
V
IN = 0V
0.4
A
V
OS
Output Offset Voltage
V
IN = 0V
4.0
mV
P
O
Output Power
THD+N = 0.1%, f = 1kHz
R
L =16
40
mW
R
L =32
28
mW
THD+N
Total Harmonic Distortion
P
O = 25mW, RL =32
f = 20Hz to 20kHz
0.4
%
Crosstalk
Channel Separation
R
L =32;PO = 25mW
70
db
PSRR
Power Supply Rejection Ratio
C
B = 1.0F; VRIPPLE = 200mVPP,
f = 1kHz; Input terminated into
50
70
dB
LM4809
www.national.com
2
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| LM4809MM | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| LM4809MM/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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