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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 4/22頁 |
| 文件大?。?/td> | 1179K |
| 代理商： | LM4888 |
Electrical Characteristics for Bridged-Mode Operation (5V)
(Notes 3, 7,
13) (Continued)
The following specifications apply for V
DD
= 5V unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4888
Units
(Limits)
Typical
(Note 8)
Limit
(Note 9)
THD+N
Total Harmonic Distortion+Noise
1kHz, A
VD
= 2
LM4888SQ, R
L
= 4
, P
O
= 1W
LM4888SQ, R
L
= 8
, P
O
= .4W
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
0.10
0.06
85
%
%
dB
PSRR
Power Supply Rejection Ratio
80
dB
65
dB
70
dB
X
TALK
V
NO
Channel Separation
Output Noise Voltage
82
21
dB
μV
Electrical Characteristics for Single-Ended Operation (5V)
(Notes 3, 7, 13)
The following specifications apply for V
DD
= 5V unless otherwise specified. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4888
Units
(Limits)
Typical
(Note 8)
90
0.015
70
Limit
(Note 9)
75
P
O
THD+N
Output Power
Total Harmonic Distortion+Noise
THD+N = 0.5%, f = 1 kHz, R
L
= 32
P
O
= 20mW, 1kHz, R
L
= 32
Input Unterminated, 217Hz
V
ripple
= 200mV
p-p
C
6
= 1μF, R
L
= 32
Input Unterminated, 1kHz
V
ripple
= 200mV
p-p
C
6
= 1μF, R
L
= 32
Input grounded, 217Hz
V
ripple
= 200mV
p-p
C
6
= 1μF, R
L
= 32
Input grounded, 1kHz
V
ripple
= 200mV
p-p
C
6
= 1μF, R
L
= 32
f = 1kHz, C
6
= 1.0μF, 3D Control = Low
1kHz, A-weighted
mW (min)
%
dB
PSRR
Power Supply Rejection Ratio
72
dB
65
dB
70
dB
X
TALK
V
NO
Channel Separation
Output Noise Voltage
80
11
dB
μV
L
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相關代理商/技術參數(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)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應商設備封裝: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) >> 評估板 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
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