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參數(shù)資料
| 型號： | LM4866MTE |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.2W Stereo Audio Amplifier |
| 中文描述： | 3.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO20 |
| 封裝： | 6.50 X 4.40 MM, 0.90 MM HEIGHT, EXPOSED PAD, TSSOP-20 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 644K |
| 代理商： | LM4866MTE |
Electrical Characteristics for Bridged-Mode Operation
(Notes 3, 11) (Continued)
The following specifications apply for V
DD
= 5V unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4866
Units
(Limits)
Typical
(Note 12)
Limit
(Note 13)
THD+N
Total Harmonic Distortion+Noise
20Hz
≤
f
≤
20kHz, A
VD
= 2
LM4866MTE, R
L
= 4
, P
O
= 2W
LM4866LQ, R
L
= 4
, P
O
= 2W
LM4866MT, R
L
= 4
, P
O
= 1W
LM4866MT, R
L
= 8
, P
O
= 1W
V
DD
= 5V, V
RIPPLE
= 200mV
RMS
, R
L
= 8
,
C
B
= 1.0μF
f = 1kHz, C
B
= 1.0μF
V
DD
= 5V, P
O
= 1.1W, R
L
= 8
0.3
0.3
0.3
0.3
67
%
dB
PSRR
Power Supply Rejection Ratio
X
TALK
SNR
Channel Separation
Signal To Noise Ratio
90
98
dB
dB
Note 3:
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 andAC 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 4:
The maximum power dissipation is dictated by T
JMAX
,
θ
JA
, and the ambient temperature T
A
and must be derated at elevated temperatures. The maximum
allowable power dissipation is P
DMAX
= (T
JMAX
T
A
)/
θ
JA
. For the LM4866, T
JMAX
= 150C. For the
θ
JA
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:
The given
θ
JA
is for an LM4866 packaged in an LQA24A with the exposedDAP soldered to an exposed 2in
2
area of 1oz printed circuit board copper.
Note 8:
The given
θ
JA
is for an LM4866 packaged in an MXA20A with the exposedDAP soldered to an exposed 2in
2
area of 1oz printed circuit board copper.
Note 9:
The given
θ
JA
is for an LM4866 packaged in an MXA20A with the exposedDAP soldered to an exposed 1in
2
area of 1oz printed circuit board copper.
Note 10:
The given
θ
JA
is for an LM4866 packaged in an MXA20A with the exposedDAP not soldered to prinbted circuit board copper.
Note 11:
All voltages are measured with respect to the ground (GND) pins unless otherwise specified.
Note 12:
Typicals are measured at 25C and represent the parametric norm.
Note 13:
Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.
Note 14:
The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
Note 15:
Output power is measured at the device terminals.
Note 16:
When driving 3
or 4
loads and operating on a 5V supply, the LM4866LQ and LM4866MTE must be mounted to a circuit board that has a minimum of
2.5in
of exposed, uninterrupted copper area connected to the package’s exposed DAP.
L
www.national.com
4
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LM4866MTE/NOPB | 功能描述:音頻放大器 2.2W Stereo Audio Amp 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 |
| LM4866MTEX | 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 |
| LM4866MTEX/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 |
| LM4866MTEXNOPB | 制造商:National Semiconductor 功能描述:Audio Amp Speaker 2-CH Stereo 3.2W Class-AB 20-Pin HTSSOP EP T/R 制造商:National Semiconductor 功能描述:Audio Amp Speaker 2-CH Stereo 3.2W Class-AB 20-Pin TSSOP EP T/R |
| LM4867 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Output-Transient-Free Dual 2.1W Audop Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
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