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參數(shù)資料
| 型號： | LM4854MT/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO14 |
| 封裝： | TSSOP-14 |
| 文件頁數(shù)： | 28/29頁 |
| 文件大小： | 1440K |
| 代理商： | LM4854MT/NOPB |
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Electrical Characteristics : SE Operation (V
The following specifications apply for for the circuit shown in Figure 1 and a measurement bandwith of 20Hz to 80kHz, unless
otherwise specified. Limits apply for T
A = 25C.
Symbol
Parameter
Conditions
LM4854
Units
(Limits)
Typical
Limit
(Notes 9,
P
O
Output Power (Note 11)
THD+N = 1.0%, f = 1kHz, R
L =32
THD+N = 10%, f = 1kHz, R
L =32
THD+N = 1.0%, f = 1kHz, R
L =16
THD+N = 10%, f = 1kHz, R
L =16
32
60
57
100
27
38
mW(min)
mW
mW (min)
mW
THD+N
Total Harmonic Distortion+Noise
20Hz
≤ f
IN =
≤ 20kHz
R
L =32
,P
O = 30mW
0.3
%
VOUT
Output Voltage Swing
THD = 0.5%, R
L =5k
2.4
V
P-P
XTALK
Channel Separation
f
IN = 1kHz, CBYPASS = 1.0F, RL =32
55
dB
S/N
Signal-to-Noise Ratio
f
IN = 1kHz, CBYPASS = 1.0F
P
O = 30mW, RL =32
TBD
dB
Note 2: All voltages are measured with respect to the GND pin unless other wise specified.
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 and AC electrical specifications under particular test conditions that
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 must be derated at elevated temperatures and is dictated by TJMAX, θJA, and the ambient temperature, TA. The maximum
allowable power dissipation is PDMAX =(TJMAX -TA)/θJA or the number given in Absolute Maximum Ratings, whichever is lower. For the LM4854, see power derating
currents for more information.
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
θJA is for an LM4854 packaged in an LDA14A with the Exposed-DAP soldered to an exposed 2in2 area of 1oz printed circuit board copper.
Note 8: Typicals are measured at 25C and represent the parametric norm.
Note 9: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 10: Datasheet minimum and maximum specification limits are guaranteed by design, test, or statistical analysis.
Note 11: Output power is measured at the amplifier’s package pins.
Note 12: When driving 4
loads and operating on a 5V supply, the LM4854LD must be mounted to a circuit board that has a minimum of 2.5in2 of exposed,
uninterrupted copper area connected to the LLP package’s exposed DAP.
LM4854
www.national.com
8
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LM4854MTX/NOPB | 功能描述:IC AMP AUDIO PWR 2.3W AB 14TSSOP 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: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) |
| LM4855 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Boomer AUDIO POWER AMPLIFIER Integrated Audio Amplifier System |
| LM48555 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Ceramic Speaker Driver |
| LM48555TL | 制造商:Texas Instruments 功能描述:Audio Amp Speaker 1-CH Mono Class-AB 12-Pin uSMD T/R 制造商:Texas Instruments 功能描述:IC AMP POWER AUDIO SMD |
| LM48555TL/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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