參數(shù)資料
型號： LM4857GR/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 消費家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA49
文件頁數(shù)： 39/40頁
文件大?。?/td> 1948K
代理商： LM4857GR/NOPB
Audio Amplifier Electrical Characteristics V
DD = 5.0V (Notes 1, 2) (Continued)
The following specifications apply for V
DD = 5.0V, unless otherwise specified. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4857
Units
(Limits)
Typical
Limits (Notes
N
OUT
Output Noise
A-weighted, 0dB gain; (Note 11)
LD5 = RD5 = 0; Audio Inputs Terminated
Speaker; Mode 2, 3, 7, 8
27
V
Speaker; Mode 12, 13
38
V
Headphone; Mode 3, 4, 8, 9
10
V
Headphone; Mode 13, 14
14
V
Earpiece; Mode 1; CD4 = 0
13
V
Earpiece; Mode 6
18
V
Earpiece; Mode 11
21
V
Line Out; Mode 5
11
V
Line Out; Mode 10
14
V
Line Out; Mode 15
17
V
PSRR
Power Supply Rejection Ratio
f = 217Hz; V
rip = 200mVpp;CB = 2.2F;
0dB gain; (Note 11)
LD5 = RD5 = 0; Audio Inputs Terminated
Speaker; Mode 2, 3, 7, 8
70
dB
Speaker; Mode 12, 13,
64
54
dB (min)
Headphone; Mode 3, 4, 8, 9
86
dB
Headphone; Mode 13, 14
73
60
dB (min)
Earpiece; Mode1
75
dB
Earpiece; Mode 6
70
dB
Earpiece; Mode 11
66
57
dB (min)
Line Out; Mode 5
86
dB
Line Out; Mode 10
74
dB
Line Out; Mode 15
68
57
dB (min)
Xtalk
Crosstalk
LD5=RD5=0
Loudspeaker; P
O= 400mW;
f = 1kHz
85
dB
Headphone; P
O= 15mW;
f = 1kHz
85
dB
T
WU
Wake-up Time
CD5=0;C
B = 2.2F
120
ms
CD5=1;C
B = 2.2F
230
ms
Audio Amplifier Electrical Characteristics V
DD = 3.0V (Notes 1, 2)
The following specifications apply for V
DD = 3.0V, unless otherwise specified. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4857
Units
(Limits)
Typical
Limits (Notes
I
DD
Supply Current
V
IN = 0V, No load;
LD5 = RD5 = 0 (Note 9)
Mode 1, 6, 11
5.5
9
mA (max)
Mode 4, 5, 9, 10, 14, 15
4.5
7.5
mA (max)
Mode 2, 3, 7, 8, 12, 13
11.2
19
mA (max)
I
SD
Shutdown Current
Mode 0 (Note 9)
0.06
2.5
A (max)
P
O
Output Power
LM4857SP
Speaker; THD+N = 1%;
f = 1kHz; 4
BTL
530
mW
LM4857
www.national.com
8
相關(guān)PDF資料
PDF描述
LM4858MM/NOPB 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10
LM4858LD/NOPB 1.7 W, 2 CHANNEL, AUDIO AMPLIFIER, DSO14
LM4860MDA 1.15 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC
LM4860MWA 1.15 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC
LM4861MWA 1.1 W, 1 CHANNEL, AUDIO AMPLIFIER, UUC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
LM4857ITLBD 功能描述:BOARD EVALUATION LM4857ITL RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 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:-
LM4857ITLX/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
LM4857SP 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
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*