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| 型号： | LM4855IBL/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 21/27页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 1.5W AB 18USMD |
| 标准包装： | 1 |
| 系列： | Boomer® |
| 类型： | AB 类 |
| 输出类型： | 1-通道（单声道），带立体声耳机 |
| 在某负载时最大输出功率 x 通道数量： | 1.5W x 1 @ 4 欧姆; 115mW x 2 @ 32 欧姆 |
| 电源电压： | 2.6 V ~ 5 V |
| 特点： | 消除爆音，静音，关机，SPI，热保护，音量控制 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 18-uSMD |
| 封装/外壳： | 18-VFBGA |
| 包装： | 标准包装 |
| 其它名称： | LM4855IBLDKR |
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SNAS164C – JUNE 2002 – REVISED MAY 2013
Connection Diagrams
Figure 3. Top View (Bump-Side Down)
See Package Number YZR0018AAA
Figure 2. WQFN Package Top View
See Package Number NHW0024A
for Exposed-DAP WQFN
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings
(1) (2)
Supply Voltage
6.0V
Storage Temperature
65°C to +150°C
ESD Susceptibility(3)
2.0kV
ESD Machine model(4)
200V
Junction Temperature (TJ)
150°C
Solder Information
Vapor Phase (60 sec.)
215°C
Infrared (15 sec.)
220°C
θJA (typ) - NHW0024A
42°C/W
θJC (typ) - NHW0024A
3.0°C/W
Thermal Resistance
θJA (typ) - YZR0018AAA
48°C/W(5)
θJC (typ) - YZR0018AAA
23°C/W(5)
(1)
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
(2)
If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(3)
Human body model, 100pF discharged through a 1.5k
Ω resistor.
(4)
Machine Model ESD test is covered by specification EIAJ IC-121-1981. A 200pF cap is charged to the specified voltage, then
discharged directly into the IC with no external series resistor (resistance of discharge path must be under 50
).
(5)
The given
θJA and θJC are for an LM4855 mounted on a demonstration board with a 4in
2 area of 1oz printed circuit board copper ground
plane.
Operating Ratings
(1)
Temperature Range
40°C to 85°C
Supply Voltage VDD
2.6V
≤ VDD ≤ 5.0V
(1)
Operating Ratings indicate conditions for which the device is functional, but do not ensure specific performance limits. For ensured
specifications and test conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed.
Some performance characteristics may degrade when the device is not operated under the listed test conditions.
Copyright 2002–2013, Texas Instruments Incorporated
3
Product Folder Links: LM4855
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM4855ITL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:IC AMP AUDIO 1W MONO SMD 4855 |
| LM4855ITL/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 |
| LM4855ITLX | 制造商:Texas Instruments 功能描述:Audio Amp Headphone/Speaker 1-CH Mono/2-CH Stereo 1.1W Class-AB 18-Pin uSMD T/R |
| LM4855ITLX/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 |
| LM4855LQ | 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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