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參數(shù)資料
| 型號(hào)： | LM4866LQ |
| 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, PQCC24 |
| 封裝： | LLP-24 |
| 文件頁數(shù)： | 4/21頁 |
| 文件大?。?/td> | 644K |
| 代理商： | LM4866LQ |
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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| LM4866MT | 2.2W Stereo Audio Amplifier |
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| LM4867LQ | Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
| LM4867MT | Output-Transient-Free Dual 2.1W Audio Amplifier Plus No Coupling Capacitor Stereo Headphone Function |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4866LQ/NOPB | 功能描述:IC AMP AUDIO PWR 3.2W STER 24LLP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4866LQBD | 功能描述:BOARD EVALUATION LM4866LQ RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| LM4866MT | 制造商:Texas Instruments 功能描述:AMP AUDIO STEREO 2W SMD SSOP20 |
| LM4866MT/NOPB | 功能描述:IC AMP AUDIO PWR 3.2W AB 20TSSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR) |
| LM4866MTE | 制造商:Texas Instruments 功能描述:AMP AUDIO STEREO 2W SMD TSSOP20 |
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