參數(shù)資料
型號(hào)： LM4894MM/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO10
封裝： MSOP-10
文件頁(yè)數(shù)： 13/19頁(yè)
文件大?。?/td> 770K
代理商： LM4894MM/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
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD +0.3V
Power Dissipation (Note 3)
Internally Limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150C
Thermal Resistance
θ
JC (LLP)
12C/W
θ
JA (LLP)
63C/W
θ
JA (micro SMD)
220C/W
θ
JC (MSOP)
56C/W
θ
JA (MSOP)
190C/W
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
See AN-1187 "Leadless
Leadframe Package (LLP)."
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
2.2V
≤ V
DD
≤ 5.5V
Electrical Characteristics V
DD =5V (Notes 1, 2, 8)
The following specifications apply for V
DD = 5V, AV = 1, and 8
load unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4894
Units
(Limits)
Typical
Limit
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A
4
8
mA (max)
I
SD
Shutdown Current
V
shutdown = GND
0.1
1
A (max)
P
o
Output Power
THD = 1% (max);f=1kHz
LM4894LD, R
L=4
1.4
W (min)
LM4894, R
L=8
1
THD+N
Total Harmonic Distortion+Noise
P
o = 0.4 Wrms; f = 1kHz
0.1
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
f = 217Hz (Note 9)
87
dB (min)
f = 1kHz (Note 9)
83
f = 217Hz (Note 10)
83
63
f = 1kHz (Note 10)
80
CMRR
Common_Mode Rejection Ratio
f = 217Hz
50
dB
Electrical Characteristics V
DD =3V
(Notes 1, 2, 8)
The following specifications apply for V
DD = 3V, AV = 1, and 8
load unless otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4894
Units
(Limits)
Typical
Limit
I
DD
Quiescent Power Supply Current
V
IN = 0V, Io = 0A
3.5
6
mA (max)
I
SD
Shutdown Current
V
shutdown = GND
0.1
1
A (max)
P
o
Output Power
THD = 1% (max); f = 1kHz
0.35
W
THD+N
Total Harmonic Distortion+Noise
P
o = 0.25Wrms; f = 1kHz
0.325
%
PSRR
Power Supply Rejection Ratio
V
ripple = 200mV sine p-p
f = 217Hz (Note 9)
87
dB
f = 1kHz (Note 9)
83
f = 217Hz (Note 10)
80
f = 1kHz (Note 10)
78
CMRR
Common-Mode Rejection Ratio
f = 217Hz
49
dB
LM4894
www.national.com
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參數(shù)描述
LM4894MMX 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4894MMX/NOPB 功能描述:音頻放大器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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LM4895A E WAF 制造商:Texas Instruments 功能描述:
LM4895IBP 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1 Watt Fully Differential Audio Power Amplifier With Shutdown Select and Fixed 6dB Gain
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