參數(shù)資料
型號： LM4840MH/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28
封裝： TSSOP-28
文件頁數(shù)： 16/22頁
文件大?。?/td> 829K
代理商： LM4840MH/NOPB
Absolute Maximum Ratings (Note 10)
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
Internally limited
ESD Susceptibility (Note 12)
2000V
ESD Susceptibility (Note 13)
200V
Junction Temperature
150C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering
surface mount devices.
See AN-1187 “Leadless Leadframe Package” for
detailed information on usage of LLP devices.
θ
JC (typ) — LQA028A (Note
16)
3C/W
θ
JA (typ) — LQA028A (Note
16)
42C/W
θ
JC (typ) — MTC28
20C/W
θ
JA (typ) — MTC28
80C/W
θ
JC (typ) — MXA28A
2C/W
θ
JA (typ) — MXA28A (Note 4)
41C/W
θ
JA (typ) — MXA28A (Note 3)
54C/W
θ
JA (typ) — MXA28A (Note 5)
59C/W
θ
JA (typ) — MXA28A (Note 6)
93C/W
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤TMAX
40C
≤TA ≤ 85C
Supply Voltage
2.7V
≤ V
DD ≤ 5.5V
Electrical Characteristics for Entire IC
(Notes 7, 10)
The following specifications apply for V
DD = 5V unless otherwise noted. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4840
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
V
DD
Supply Voltage
2.7
V (min)
5.5
V (max)
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A
12
30
mA (max)
I
SD
Shutdown Current
V
SHUTDOWN =VDD
0.7
2.0
A (max)
V
IH
Headphone Sense High Input Voltage
4
V (min)
V
IL
Headphone Sense Low Input Voltage
0.8
V (max)
Electrical Characteristics for Volume Attenuators
(Notes 7, 10)
The following specifications apply for V
DD = 5V. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4840
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
C
RANGE
Attenuator Range
Gain with Digital Volume Max
0
±0.5
dB (max)
Attenuation with Digital Volume Min
-81
-75
dB (min)
A
M
Mute Attenuation
V
MUTE =VDD, Bridged Mode
-88
-78
dB (min)
V
MUTE =VDD, Single-Ended Mode
-88
-78
dB (min)
Electrical Characteristics for Single-Ended Mode Operation
(Notes 7, 10)
The following specifications apply for V
DD = 5V. Limits apply for TA = 25C.
Symbol
Parameter
Conditions
LM4840
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
P
O
Output Power
THD = 1.0%; f = 1kHz; R
L =32
85
mW
THD=10%;f=1 kHz; R
L =32
95
mW
LM4840
www.national.com
3
相關(guān)PDF資料
PDF描述
LM4841MH/NOPB 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28
LM4841MHX/NOPB 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28
LM4841MT/NOPB 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28
LM4841MTX/NOPB 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28
LM4841LQ/NOPB 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, QCC28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4840MT 制造商:Texas Instruments 功能描述:AMP AUDIO STEREO 2W SMD TSSOP28
LM4840MT/NOPB 功能描述:IC AMP AUDIO PWR 2.2W AB 28TSSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負(fù)載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風(fēng)，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
LM4841 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 2W Amplifiers with DC Volume Control, Transient Free Outputs, and Cap-less Headphone Drive
LM48410 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low EMI, Filterless, 2.3W Stereo Class D Audio Power Amplifier with National 3D Enhancement
LM48410SQ 制造商:Texas Instruments 功能描述:Audio Amp Speaker 2-CH Stereo 2.3W Class-D 24-Pin LLP EP T/R 制造商:Texas Instruments 功能描述:AMP, POWER, CLASS D, 2.3W, LLP-24
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*