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参数资料
| 型号： | LM4888SQ/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 3 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC24 |
| 封装： | LLP-24 |
| 文件页数： | 17/23页 |
| 文件大小： | 1181K |
| 代理商： | LM4888SQ/NOPB |
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
6.0V
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD +0.3V
Power Dissipation (Note 4)
Internally limited
ESD Susceptibility (Note 5)
2000V
ESD Susceptibility (Note 6)
200V
Junction Temperature
150C
Solder Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
Thermal Resistance
θ
JC (typ) — SQA24B
3C/W
θ
JA (typ) — SQA24B
42C/W
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
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 TA = 25C.
Symbol
Parameter
Conditions
LM4888
Units
(Limits)
Typical
Limit
V
DD
Supply Voltage
2.7
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
6
10
mA (max)
V
3.0
6
mA (max)
I
SD
Shutdown Current
GND applied to the SHUTDOWN pin
0.04
2
A (max)
V
IH
Headphone Sense High Input
Voltage
3.7
4
V (min)
V
IL
Headphone Sense Low Input
Voltage
2.6
0.8
V (max)
V
IHSD
Shutdown, Headphone micro,
3D control
High Input voltage
1.2
1.4
V (min)
V
ILSD
Shutdown, Headphone micro,
3D control
Low Input voltage
1
0.4
V (max)
T
WU
Turn On Time
1F 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 TA = 25C.
Symbol
Parameter
Conditions
LM4888
Units
(Limits)
Typical
Limit
V
OS
Output Offset Voltage
V
IN = 0V
5
25
mV (max)
P
O
Output Power (Note 11)
THD+N = 1%, f = 1kHz (Note 12)
LM4888SQ, R
L =3
2.4
W
LM4888SQ, R
L =4
2.1
W
LM4888SQ, R
L =8
1.3
1.0
W (min)
THD+N = 10%, f = 1kHz (Note 12)
LM4888SQ, R
L =3
3.0
W
LM4888SQ, R
L =4
2.5
W
LM4888SQ, R
L =8
1.7
W
THD+N
Total Harmonic Distortion+Noise
1kHz, A
VD =2
LM4888SQ, R
L =4
,P
O = 1W
0.10
%
LM4888SQ, R
L =8
,P
O = .4W
0.06
%
LM4888
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相关代理商/技术参数 |
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| LM4888SQX/NOPB | 功能描述:IC AMP AUDIO PWR 3W STER 24LLP RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4889 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:1 Watt Audio Power Amplifier |
| LM4889ITL | 功能描述:IC AMP AUDIO PWR 1W MONO 8USMD RoHS:是 类别:集成电路 (IC) >> 线性 - 音頻放大器 系列:Boomer® 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:DirectDrive® 类型:H 类 输出类型:耳机，2-通道（立体声） 在某负载时最大输出功率 x 通道数量:35mW x 2 @ 16 欧姆 电源电压:1.62 V ~ 1.98 V 特点:I²C，麦克风，静音，短路保护，音量控制 安装类型:表面贴装 供应商设备封装:25-WLP（2.09x2.09） 封装/外壳:25-WFBGA，WLCSP 包装:带卷 (TR) |
| LM4889ITLX | 制造商:Texas Instruments 功能描述:Audio Amp Speaker 1-CH Mono 1W Class-AB 8-Pin uSMD T/R |
| LM4889ITLX/NOPB | 功能描述:音频放大器 RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
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