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參數(shù)資料
| 型號： | LM4670 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 音頻放大器 |
| 英文描述： | Filterless High Efficiency 3W Switching Audio Amplifier |
| 中文描述： | 濾波高效3W開關(guān)音頻放大器 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 1080K |
| 代理商： | LM4670 |
Electrical Characteristics
(Notes 1, 2)
The following specifications apply for A
V
= 2V/V (R
I
= 150k
), R
L
= 15μH + 8
+ 15μH unless otherwise specified. Limits
apply for T
A
= 25C. (Continued)
Symbol
Parameter
Conditions
LM4670
Units
(Limits)
Typical
(Note 6)
Limit
(Notes 7, 8)
P
O
Output Power
R
L
= 15μH + 8
+ 15μH,
THD = 10% (max)
f = 1kHz, 22kHz BW
V
DD
= 5V
V
DD
= 3.6V
V
DD
= 2.5V
R
L
= 15μH + 8
+ 15μH,
THD+N = 1% (max)
f = 1kHz, 22kHz BW
V
DD
= 5V,
V
DD
= 3.6V,
V
DD
= 2.5V,
V
DD
= 5V, P
O
= 1W
RMS
,
f = 1kHz
V
DD
= 3.6V, P
O
= 0.5W
RMS
,
f = 1kHz
V
DD
= 3.6V, P
O
= 0.5W
RMS
,
f = 5kHz
V
DD
= 3.6V, P
O
= 0.5W
RMS
,
f = 10kHz
V
DD
= 3.6V,
V
Ripple
= 200mV
PP
Sine,
f
Ripple
= 217Hz
Inputs to AC GND, C
I
= 0.1μ,
Input Referred
V
DD
= 3.6V,
V
Ripple
= 200mV
PP
Sine,
f
Ripple
= 1kHz
Inputs to AC GND, C
I
= 0.1μF
Input Referred
V
DD
= 3.6V,
V
Ripple
= 200mV
PP
Sine,
f
Ripple
= 217Hz
f
IN
= 1kHz, P
O
= 10mW
RMS
Input Referred
V
DD
= 5V, P
O
= 1W
RMS
V
DD
= 3.6V, f = 20Hz – 20kHz
Inputs to AC GND, C
I
= 0.1μF
No Weighting, Input Referred
V
DD
= 3.6V, Inputs to AC GND
C
I
= 0.1μF, A Weighted
Input Referred
V
DD
= 3.6V, V
Ripple
= 1V
PP
Sine
f
Ripple
= 217Hz, Input Referred
V
DD
= 3.6V
V
DD
= 3.6V
1.65
850
400
W
mW
mW
1.35
680
325
600
W
mW (min)
mW
THD+N
Total Harmonic Distortion + Noise
0.35
%
0.30
%
0.30
%
0.30
%
68
dB
PSRR
Power Supply Rejection Ratio
65
dB
62
dB
SNR
Signal to Noise Ratio
93
dB
e
OUT
Output Noise
85
μV
RMS
65
μV
RMS
CMRR
Common Mode Rejection Ratio
80
dB
T
WU
T
SD
Wake-up Time
Shutdown Time
1.35
0.01
ms
ms
Note 1:
All voltages are measured with respect to the ground pin, unless otherwise specified.
Note 2:
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
L
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4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4670_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Filterless High Efficiency 3W Switching Audio Amplifier |
| LM4670ITL | 功能描述:IC AMP AUDIO PWR 3W MONO D 9USMD RoHS:否 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:D 類 輸出類型:1-通道（單聲道），帶立體聲耳機 在某負載時最大輸出功率 x 通道數(shù)量:930mW x 1 @ 8 歐姆; 40mW x 2 @ 16 歐姆 電源電壓:2.7 V ~ 5.5 V 特點:消除爆音，差分輸入，I²C，靜音，關(guān)閉，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) 其它名稱:MAX97000EWA+T-ND |
| LM4670ITL/NOPB | 功能描述:音頻放大器 Filterless Hi Eff 3W Switching 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 |
| LM4670ITLX | 功能描述:IC AMP AUDIO PWR 3W MONO D 9USMD RoHS:否 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:D 類 輸出類型:1-通道（單聲道），帶立體聲耳機 在某負載時最大輸出功率 x 通道數(shù)量:930mW x 1 @ 8 歐姆; 40mW x 2 @ 16 歐姆 電源電壓:2.7 V ~ 5.5 V 特點:消除爆音，差分輸入，I²C，靜音，關(guān)閉，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) 其它名稱:MAX97000EWA+T-ND |
| LM4670ITLX/NOPB | 功能描述:音頻放大器 Filterless Hi Eff 3W Switching 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 |
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