參數(shù)資料
型號(hào)： LM4857SP
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 消費(fèi)家電
英文描述： Stereo 1.2W Audio Sub-system with 3D Enhancement
中文描述： SPECIALTY CONSUMER CIRCUIT, QCC28
封裝： LLP-28
文件頁數(shù)： 9/38頁
文件大小： 1517K
代理商： LM4857SP
Audio Amplifier Electrical Characteristics V
DD
= 3.0V
(Notes 1, 2) (Continued)
The following specifications apply for V
DD
= 3.0V, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4857
Limits
(Notes
7, 8)
Units
(Limits)
Typical
(Note 6)
P
O
Output Power
Speaker; THD+N = 1%;
f = 1kHz; 8
BTL
Headphone; THD+N = 1%;
f = 1kHz; 32
SE
Earpiece; THD+N = 1%;
f = 1kHz; 32
BTL; CD4 = 0
Earpiece; THD+N = 1%;
f = 1kHz; 32
BTL; CD4 = 1
LD5 = RD5 = 0
Speaker; P
O
= 200mW;
f = 1kHz; 8
BTL
Headphone; P
O
= 10mW;
f = 1kHz; 32
SE
Earpiece; P
O
=10mW;
f = 1kHz; 32
BTL; CD4 = 0
Line Out; V
O
= 1V
RMS
;
f = 1kHz; 5k
SE
Speaker; LD5 = RD5 = 0
Earpiece; LD5 = RD5 = 0
A-weighted; 0dB gain; (Note 11)
LD5 = RD5 = 0; All Inputs Terminated
Speaker; Mode 2, 3, 7, 8
Speaker; Mode 12, 13
Headphone; Mode 3, 4, 8, 9
Headphone; Mode 13, 14
Earpiece; Mode 1
Earpiece; Mode 6
Earpiece; Mode 11
Line Out; Mode 5
Line Out; Mode 10
Line Out; Mode 15
f = 217Hz, V
rip
= 200mV
pp
; C
B
= 2.2μF;
0dB gain; (Note 11)
LD5 = RD5 = 0; All Audio Inputs
Terminated
Speaker; Mode 2, 3, 7, 8
Speaker; Mode 12, 13,
Headphone; Mode 3, 4, 8, 9
Headphone; Mode 13, 14
Earpiece; Mode1
Earpiece; Mode 6
Earpiece; Mode 11
Line Out; Mode 5
Line Out; Mode 10
Line Out; Mode 15
400
320
mW (min)
25
20
mW (min)
30
22
mW (min)
30
mW
THD+N
Total Harmonic Distortion Plus
Noise
0.05
%
0.04
%
0.06
%
0.015
%
V
OS
Offset Voltage
5
5
40
30
mV (max)
mV (max)
N
OUT
Output Noise
27
38
10
14
13
18
21
11
14
17
μV
μV
μV
μV
μV
μV
μV
μV
μV
μV
PSRR
Power Supply Rejection Ratio
70
65
87
75
76
70
67
88
74
71
dB
55
dB (min)
dB
dB (min)
dB
dB
dB (min)
dB
dB
dB (min)
62
57
58
L
www.national.com
9
相關(guān)PDF資料
PDF描述
LM4859 Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:47; Connector Shell Size:40; Connecting Termination:Crimp; Circular Shell Style:Wall Mount Receptacle; Body Style:Straight
LM4870 1.1W Audio Power Amplifier with Shutdown Mode
LM4870M 1.1W Audio Power Amplifier with Shutdown Mode
LM4871 1.1W Audio Power Amplifier with Shutdown Mode
LM4871N 1.1W Audio Power Amplifier with Shutdown Mode
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4857SP/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
LM4857SPBD 功能描述:BOARD EVALUATION LM4857SP 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:-
LM4858 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Mono 1.5 W / Stereo 300mW Power Amplifier
LM48580 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker Driver
LM48580TL 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Efficiency Class H, High Voltage, Haptic Piezo Actuator / Ceramic Speaker Driver
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(hào)，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(tái)，查看報(bào)價(jià)

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(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*