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參數(shù)資料
| 型號(hào)： | LM4888 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dual 2.1W Audio Amplifier Plus Stereo Headphone & 3D Enhancement |
| 中文描述： | 雙2.1W音頻功率放大器加立體聲耳機(jī) |
| 文件頁(yè)數(shù)： | 5/22頁(yè) |
| 文件大?。?/td> | 1179K |
| 代理商： | LM4888 |
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Electrical Characteristics (3V)
(Notes 3, 7, 13)
The following specifications apply for V
DD
= 3V unless otherwise noted. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4888
Units
(Limits)
Typical
(Note 8)
4.5
2.5
0.01
2.2
1.5
1
Limit
(Note 9)
I
DD
Quiescent Power Supply Current
V
IN
= 0V, I
O
= 0A (Note 10) , BTL mode
V
IN
= 0V, I
O
= 0A (Note 10) , SE mode
GND applied to the SHUTDOWN pin
mA
mA
μA
V
V
I
SD
V
IH
V
IL
V
IHSD
Shutdown Current
Headphone High Input Voltage
Headphone Low Input Voltage
Shutdown, Headphone micro,
3D Control
High Input voltage
Shutdown, Headphone micro,
3D Control
Low Input voltage
Turn On Time
1.4
V (min)
V
ILSD
0.8
.4
V (max)
T
WU
1μF Bypass Cap (C6)
140
ms
Electrical Characteristics for Bridged-Mode Operation (3V)
(Notes 3, 7, 13)
The following specifications apply for V
DD
= 3V unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4888
Units
(Limits)
Typical
(Note 8)
5
Limit
(Note 9)
V
OS
Output Offset Voltage
V
IN
= 0V
THD+N = 1%, f = 1kHz (Note 12)
LM4888SQ, R
L
= 3
LM4888SQ, R
L
= 4
LM4888SQ, R
L
= 8
THD+N = 10%, f = 1kHz (Note 12)
LM4888SQ, R
L
= 3
LM4888SQ, R
L
= 4
LM4888SQ, R
L
= 8
1kHz
LM4888SQ, R
L
= 4
, P
O
= 280mW
LM4888SQ, R
L
= 8
, P
O
= 200mW
Input Unterminated, 217Hz
V
ripple
= 200mV
p-p
C
6
= 1μF, R
L
= 8
Input Unterminated, 1kHz
V
ripple
= 200mV
p-p
C
6
= 1μF, R
L
= 8
Input grounded, 217Hz
V
ripple
= 200mV
p-p
C
6
= 1μF, R
L
= 8
Input grounded, 1kHz
V
ripple
= 200mV
p-p
C
6
= 1μF, R
L
= 8
f = 1kHz, C
6
= 1.0μF, 3D Control = Low
1kHz, A-weighted
mV
P
O
Output Power (Note 11)
.82
.70
.43
W
W
W
1.0
.85
.53
W
W
W
THD+N
Total Harmonic Distortion+Noise
0.1
0.05
90
%
%
dB
PSRR
Power Supply Rejection Ratio
80
dB
65
dB
73
dB
X
TALK
V
NO
Channel Separation
Output Noise Voltage
85
21
dB
μV
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4888_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual 2.1W Audio Amplifier Plus Stereo Headphone & 3D Enhancement |
| LM4888A E WAF | 制造商:Texas Instruments 功能描述: |
| LM4888SQ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual 2.1W Audio Amplifier Plus Stereo Headphone & 3D Enhancement |
| LM4888SQ/NOPB | 功能描述:IC AMP AUDIO PWR 3W STER 24LLP RoHS:是 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) |
| LM4888SQBD | 功能描述:BOARD EVALUATION LM4888SQ 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:- |
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