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參數(shù)資料
| 型號： | LM4856LQ/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.5 W, 3 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| 封裝： | LLP-24 |
| 文件頁數(shù)： | 19/23頁 |
| 文件大?。?/td> | 1321K |
| 代理商： | LM4856LQ/NOPB |
Electrical Characteristics (Notes 2, 8)
The following specifications apply for V
DD= 3.0V, TA= 25C unless otherwise specified.
Symbol
Parameter
Conditions
LM4856
Units
(Limits)
Typical
Limits
(Notes 6,
I
DD
Supply Current
Output modes 1, 2, 3, 4, 5, 6, 7
V
IN = 0V; No loads
6.5
10
mA (max)
Output modes 1, 2, 3, 4, 5, 6, 7
V
IN = 0V; Loaded (Figure 1)
7
11
mA (max)
I
SD
Shutdown Current
Output mode 0
0.1
2.0
A (max)
V
OS
Output Offset Voltage
V
IN = 0V
5.0
40
mV (max)
P
O
Output Power
SPKR
OUT;RL =4
THD+N = 1%; f = 1kHz, LM4856LQ
430
mW
SPKR
OUT;RL =8
THD+N = 1%; f = 1kHz
340
300
mW (min)
R
OUT and LOUT;RL =32
THD+N = 0.5%; f = 1kHz
22
18
mW (min)
THD+N
Total Harmonic Distortion Plus
Noise
SPKR
OUT
f = 20Hz to 20kHz
P
OUT = 150mW; RL =8
0.5
%
R
OUT and LOUT
f = 20Hz to 20kHz
P
OUT = 10mW; RL =32
0.5
%
N
OUT
Output Noise
A-weighted (Note 10)
29
V
PSRR
Power Supply Rejection Ratio
SPKR
OUT
V
RIPPLE = 200mVPP; f = 217Hz,
C
B = 1.0F
All audio inputs terminated into 50
;
Output referred Gain (BTL) = 12dB
Output Mode 1, 3, 5, 7
58
55
dB (min)
Power Supply Rejection Ratio
R
OUTand LOUT
V
RIPPLE = 200mVPP; f = 217Hz,
C
B = 1.0F
All audio inputs terminated into 50
;
Output referred Maximum gain setting
Output Mode 2, 3
68
60
dB (min)
Output Mode 4, 5
60
55
dB (min)
Output Mode 6, 7
56
52
dB (min)
V
IH
Logic High Input Voltage
0.7 x V
DD
V
DD
V (min)
V (max)
V
IL
Logic Low Input Voltage
0.4
GND
V (max)
V (min)
LM4856
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4857 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 1.2W Audio Sub-system with 3D Enhancement |
| LM4857_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 1.2W Audio Sub-system with 3D Enhancement |
| LM4857GR | 功能描述:IC AUDIO SUBSYSTEM W/3D 49UBGA 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: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) |
| LM4857ITL | 制造商:Texas Instruments 功能描述:1.2W STEREO SUBSYST 3D SMD 4857 |
| LM4857ITL/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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