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參數(shù)資料
| 型號： | LM4855LQ/NOPB |
| 廠商： | National Semiconductor |
| 文件頁數(shù)： | 21/27頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO PWR 1.5W MONO 24LLP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | Boomer® |
| 類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道），帶立體聲耳機(jī) |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 1.5W x 1 @ 4 歐姆; 115mW x 2 @ 32 歐姆 |
| 電源電壓： | 2.6 V ~ 5 V |
| 特點(diǎn)： | 消除爆音，靜音，關(guān)機(jī)，SPI，熱保護(hù)，音量控制 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 24-LLP-EP（4x5） |
| 封裝/外殼： | 24-WFQFN 裸露焊盤 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 配用： | LM4855LQBD-ND - BOARD EVALUATION LM4855LQ |
| 其它名稱： | LM4855LQDKR |
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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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