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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(jī) |
| 文件頁數(shù)： | 3/22頁 |
| 文件大小： | 1179K |
| 代理商： | LM4888 |
Absolute Maximum Ratings
(Note 3)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Storage Temperature
Input Voltage
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Power Dissipation (Note 4)
ESD Susceptibility (Note 5)
ESD Susceptibility (Note 6)
Junction Temperature
Solder Information
Internally limited
2000V
200V
150C
Small Outline Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
Thermal Resistance
θ
JC
(typ)—SQA24B
θ
JA
(typ)—SQA24B
215C
220C
3C/W
42C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.7V
≤
V
DD
≤
5.5V
Electrical Characteristics (5V)
(Notes 3, 7, 13)
The following specifications apply for V
DD
= 5V unless otherwise noted. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4888
Units
(Limits)
Typical
(Note 8)
Limit
(Note 9)
2.7
5.5
10
6
2
4
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
mA (max)
μA (max)
V (min)
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
6
3.0
0.04
3.7
I
SD
V
IH
Shutdown Current
Headphone Sense High Input
Voltage
Headphone Sense Low Input
Voltage
Shutdown, Headphone micro,
3D control
High Input voltage
Shutdown, Headphone micro,
3D control
Low Input voltage
Turn On Time
V
IL
2.6
0.8
V (max)
V
IHSD
1.2
1.4
V (min)
V
ILSD
1
0.4
V (max)
T
WU
1μF Bypass Cap (C6)
140
ms
Electrical Characteristics for Bridged-Mode 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)
5
Limit
(Note 9)
25
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
mV (max)
P
O
Output Power (Note 11)
2.4
2.1
1.3
W
W
1.0
W (min)
3.0
2.5
1.7
W
W
W
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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