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参数资料
| 型号： | LM4667 |
| 厂商： | National Semiconductor Corporation |
| 元件分类： | 音频放大器 |
| 英文描述： | Filterless High Efficiency 1.3W Switching Audio Amplifier |
| 中文描述： | 滤波高效率的1.3W开关音频放大器 |
| 文件页数： | 10/16页 |
| 文件大小： | 757K |
| 代理商： | LM4667 |
Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (Note1)
6.0V
Storage Temperature
65C to +150C
Voltage at Any Input Pin
V
DD + 0.3V
≥ V ≥ GND - 0.3V
Power Dissipation (Note 3)
Internally Limited
ESD Susceptibility (Note 4)
7.0kV
ESD Susceptibility (Note 5)
250V
Junction Temperature (T
J)
150C
Thermal Resistance
θ
JA (micro SMD)
220C/W
θ
JA (MSOP )
190C/W
θ
JC (MSOP)
56C/W
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
Operating Ratings (Note 2)
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
2.7V
≤ V
DD
≤ 5.5V
Electrical Characteristics V
DD =5V
(Notes 1, 2)
The following specifications apply for V
DD = 5V and RL =15H+8
+ 15H unless otherwise specified. Limits apply for T
A =
25C.
Symbol
Parameter
Conditions
LM4667
Units
(Limits)
Typical
Limit
(Notes 7, 8)
I
DD
Quiescent Power Supply Current
V
IN = 0V, No Load
V
IN = 0V, RL =15H+8
+ 15H
8
9
mA
I
SD
Shutdown Current
V
SD = GND (Note 9)
0.01
A
V
SDIH
Shutdown Voltage Input High
1.2
V
SDIL
Shutdown Voltage Input Low
1.1
V
GSIH
Gain Select Input High
1.2
V
GSIL
Gain Select Input Low
1.1
V
A
V
Closed Loop Gain
V
Gain Select =VDD
6dB
A
V
Closed Loop Gain
V
Gain Select = GND
12
dB
V
OS
Output Offset Voltage
10
mV
T
WU
Wake-up Time
5
ms
P
o
Output Power
THD = 2% (max), f = 1kHz
1.3
W
THD+N
Total Harmonic Distortion+Noise
P
O = 100mWRMS;fIN = 1kHz
0.8
%
R
IN
Differential Input Resistance
V
Gain Select =VDD
90
k
V
Gain Select = GND
60
k
PSRR
Power Supply Rejection Ratio
V
Ripple = 100mVRMS sine wave
Inputs terminated to GND
55
(f = 217Hz)
dB
V
Ripple = 100mVRMS sine wave
P
OUT = 10mW,1kHz
65
(f = 217Hz)
dB
CMRR
Common Mode Rejection Ratio
V
Ripple = 100mVRMS,
f
Ripple = 217Hz
41
dB
SNR
Signal to Noise Ratio
P
O =1WRMS; A-Weighted Filter
83
dB
e
OUT
Output Noise
A-Weighted filter, V
in = 0V
200
V
LM4667
www.national.com
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4667ITL | 制造商:Texas Instruments 功能描述:Audio Amp Speaker 1-CH Mono 1.3W Class-AB 9-Pin uSMD T/R 制造商:Texas Instruments 功能描述:1.3W Switching Audio Amplifier,LM4667ITL |
| LM4667ITL/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 |
| LM4667ITLX | 制造商:Texas Instruments 功能描述:Audio Amp Speaker 1-CH Mono 1.3W Class-AB 9-Pin uSMD T/R |
| LM4667ITLX/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 |
| LM4667MM | 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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