参数资料
型号: LM4873LQX/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: 20/25页
文件大小: 963K
代理商: LM4873LQX/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
See AN-450 “Surface Mounting and their Effects on
Product Reliablilty” for other methods of soldering
surface mount devices.
Thermal Resistance
θ
JC (typ) — MTC20
20C/W
θ
JA (typ) — MTC20
80C/W
θ
JC (typ) — MXA20A
2C/W
θ
JA (typ) — MXA20A
41C/W (Note 7)
θ
JA (typ) — MXA20A
51C/W (Note 8)
θ
JA (typ) — MXA20A
90C/W (Note 9)
θ
JC (typ) — MXA28A
2C/W
θ
JA (typ) — MXA28A
41C/W (Note 10)
θ
JA (typ) — MXA28A
51C/W (Note 11)
θ
JA (typ) — MXA28A
90C/W (Note 12)
θ
JC (typ) — LQA24A
3.0C/W
θ
JA (typ) — LQA24A
42C/W (Note 13)
θ
JA (typ) — micro SMD
60C/W (Note 14)
Operating Ratings
Temperature Range
T
MIN
≤ T
A
≤ T
MAX
40C
≤ T
A
≤ 85C
Supply Voltage
2.0V
≤ V
DD
≤ 5.5V
Electrical Characteristics (Notes 3, 15)
The following specifications apply for V
DD= 5V unless otherwise noted. Limits apply for TA= 25C.
Symbol
Parameter
Conditions
LM4873
Units
(Limits)
Typical
Limit
V
DD
Supply Voltage
2
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A (Note 18) , HP-IN = 0V
7.5
15
mA (max)
V
IN = 0V, IO = 0A (Note 18) , HP-IN = 4V
5.8
6
mA (min)
I
SD
Shutdown Current
V
DD applied to the SHUTDOWN pin
0.7
2
A (max)
V
IH
Headphone High Input Voltage
4
V (min)
V
IL
Headphone Low Input Voltage
0.8
V (max)
Electrical Characteristics for Bridged-Mode Operation (Notes 3, 15)
The following specifications apply for V
DD= 5V unless otherwise specified. Limits apply for TA= 25C.
Symbol
Parameter
Conditions
LM4873
Units
(Limits)
Typical
Limit
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power (Note 19)
THD+N = 1%, f = 1kHz (Note 20)
LM4873MTE-1, R
L =3
2.4
W
LM4873MTE, R
L =3
2.2
W
LM4873LQ, R
L =3
2.2
W
LM4873MTE-1, R
L =4
2.1
W
LM4873MTE, R
L =4
1.9
W
LM4873LQ, R
L =4
1.9
W
LM4873MT, R
L =4
1.9
W
LM4873, R
L =8
1.1
1.0
W (min)
LM4873
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相关代理商/技术参数
参数描述
LM4873MT 制造商:Texas Instruments 功能描述:
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LM4873MTE 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LM4873MTE/NOPB 功能描述:音频放大器 Dual 2.1W Audio Amp Plus Stereo HdPh Fcn 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
LM4873MTE-1 功能描述:IC AMP AUDIO PWR 3W STER 28TSSOP 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)