參數(shù)資料
型號: LM4855LQ/NOPB
廠商: National Semiconductor
文件頁數(shù): 5/27頁
文件大小: 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
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: 消除爆音,靜音,關(guān)機,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
SNAS164C – JUNE 2002 – REVISED MAY 2013
Typical Performance Characteristics (continued)
Frequency Response
Figure 34.
Figure 35.
Frequency Response
Figure 36.
Table 1. Output Noise vs Output Mode (VDD = 3V, 5V)
(1) (2) (3)
Output Mode
SPKROUT
LOUT/ROUT
Output Noise (V)
1
29
X
2
X
28 (G1 = 0dB)
31 (G1 = 6dB)
3
29
28 (G1 = 0dB)
31 (G1 = 6dB)
4
X
28 (G2 = 0dB)
38 (G2 = 12dB)
5
29
28(G2 = 0dB)
38 (G2 = 12dB)
6
X
38 (G2 = 0dB)
41 (G1 = 0dB)
48 (G1 = 6dB)
7
29
38 (G2 = 0dB)
41 (G1 = 0dB)
48 (G1 = 6dB)
(1)
G1 = gain from PHS to LOUT/ROUT
(2)
G2 = gain from LIN/RIN to LOUT/ROUT
(3)
A - weighted filter used
Copyright 2002–2013, Texas Instruments Incorporated
13
Product Folder Links: LM4855
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