參數(shù)資料
型號(hào): LM4854
廠商: National Semiconductor Corporation
元件分類(lèi): 運(yùn)動(dòng)控制電子
英文描述: 1.9W Monaural, 85mW Stereo Headphone Audio Amplifier
中文描述: 1.9W單聲道,85mW立體聲耳機(jī)音頻放大器
文件頁(yè)數(shù): 7/29頁(yè)
文件大?。?/td> 1440K
代理商: LM4854
Electrical Characteristics for Entire Amplifier (V
DD
= 3.0V)
(Continued)
The following specifications apply for circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4854
Units
(Limits)
Typical
(Note 8)
Limit
(Notes 9,
10)
PSRR
Power Supply Rejection Ratio
C
BYPASS
= 1.0μF, R
SOURCE
= 10
V
RIPPLE
= 200mV
p-p
sinewave
BTL, R
L
= 8
, R
= 10
f
IN
= 217Hz
f
IN
= 1kHz
SE, R
L
= 32
, R
IN
= 10
f
IN
= 217Hz
f
IN
= 1kHz
C
BYPASS
= 1.0μF
62
62
dB
dB
68
72
200
0.1
dB
dB
ms
t
RSH
t
RST
V
IH
Return-from-Shutdown Time
Return-from-Standby Time
Shutdown or Standby Logic High
Treshold
Shutdown or Standby Logic Low
Treshold
1.0
1.4
ms(max)
V (min)
V
IL
0.4
V (max)
Electrical Characteristics : Bridged-Mode Operation (V
DD
= 3.0V)
(Notes 4, 9)
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
(Note 8)
Limit
(Notes 9,
10)
P
O
Output Power (Note11)
THD = 1% (max); f = 1kHz (Note11)
R
L
= 4
(LM4854LD)
R
L
= 8
THD = 10% (max); f = 1kHz (Note11)
R
L
= 4
(LM4854LD)
R
L
= 8
20Hz
f
IN
20kHz
R
L
= 4
, P
O
= 800mW (LM4854LD)
R
L
= 8
, P
O
= 150mW
f
IN
= 1kHz
R
L
= 4
, P
O
= 500mW (LM4854LD)
R
L
= 8
, P
O
= 150mW
f
IN
= 1kHz, C
BYPASS
= 1.0μF
P
O
= 900mW, R
L
= 8
1.0
380
350
W
mW (min)
1.1
530
W
mW
THD+N
Total Harmonic Distortion+Noise
0.3
0.21
%
%
0.1
0.075
%
%
S/N
Signal-to-Noise Ratio
90
dB
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4854A E WAF 制造商:Texas Instruments 功能描述:
LM4854IBL 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1.9W Monaural, 85mW Stereo Headphone Audio Amplifier
LM4854IBL/NOPB 功能描述:IC AMP AUDIO PWR 2.3W AB 12USMD RoHS:是 類(lèi)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(lèi)型:H 類(lèi) 輸出類(lèi)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(lèi)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)
LM4854LD 制造商:未知廠家 制造商全稱:未知廠家 功能描述:AUDIO AMPLIFIER|DUAL|LLCC|14PIN|CERAMIC
LM4854LD/NOPB 功能描述:IC AMP AUDIO PWR 2.3W MONO 14LLP RoHS:是 類(lèi)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(lèi)型:H 類(lèi) 輸出類(lèi)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(lèi)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)