參數(shù)資料
型號： LM4840
廠商： National Semiconductor Corporation
英文描述： RES 20.5 OHM 1/10W 1% 0603 SMD
中文描述： 立體聲2W的音頻功率放大器與數(shù)字音量控制和輸入復(fù)用器
文件頁數(shù)： 3/19頁
文件大?。?/td> 786K
代理商： LM4840
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
Storage Temperature
Input Voltage
Power Dissipation
ESD Susceptibility (Note 12)
ESD Susceptibility (Note 13)
Junction Temperature
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
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.
6.0V
-65C to +150C
0.3V to V
DD
+0.3V
Internally limited
2000V
200V
150C
215C
220C
θ
JC
(typ)—LQA028A (Note
16)
θ
JA
(typ)—LQA028A (Note
16)
θ
JC
(typ)—MTC28
θ
JA
(typ)—MTC28
θ
JC
(typ)—MXA28A
θ
JA
(typ)—MXA28A (Note 4)
θ
JA
(typ)—MXA28A (Note 3)
θ
JA
(typ)—MXA28A (Note 5)
θ
JA
(typ)—MXA28A (Note 6)
3C/W
42C/W
20C/W
80C/W
2C/W
41C/W
54C/W
59C/W
93C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
TA
≤
85C
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 T
A
= 25C.
Symbol
Parameter
Conditions
LM4840
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
2.7
5.5
30
2.0
4
0.8
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
μA (max)
V (min)
V (max)
I
DD
I
SD
V
IH
V
IL
Quiescent Power Supply Current
Shutdown Current
Headphone Sense High Input Voltage
Headphone Sense Low Input Voltage
V
IN
= 0V, I
O
= 0A
V
SHUTDOWN
= V
DD
12
0.7
Electrical Characteristics for Volume Attenuators
(Notes 7, 10)
The following specifications apply for V
DD
= 5V. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4840
Units
(Limits)
Typical
(Note 14)
0
-81
-88
-88
Limit
(Note 15)
±
0.5
-75
-78
-78
C
RANGE
Attenuator Range
Gain with Digital Volume Max
Attenuation with Digital Volume Min
V
MUTE
= V
DD
, Bridged Mode
V
MUTE
= V
DD
, Single-Ended Mode
dB (max)
dB (min)
dB (min)
dB (min)
A
M
Mute Attenuation
Electrical Characteristics for Single-Ended Mode Operation
(Notes 7, 10)
The following specifications apply for V
DD
= 5V. Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4840
Units
(Limits)
Typical
(Note 14)
85
95
Limit
(Note 15)
P
O
Output Power
THD = 1.0%; f = 1kHz; R
L
= 32
THD = 10%; f = 1 kHz; R
L
= 32
mW
mW
L
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相關(guān)PDF資料
PDF描述
LM4840LQ Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux
LM4840MH Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux
LM4840MT Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux
LM4841 Stereo 2W Amplifiers with DC Volume Control, Transient Free Outputs, and Cap-less Headphone Drive
LM4841LQ Stereo 2W Amplifiers with DC Volume Control, Transient Free Outputs, and Cap-less Headphone Drive
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4840LQ 制造商:Texas Instruments 功能描述:AMP AUDIO POWER DC VOLT LLP-28
LM4840LQ/NOPB 功能描述:IC AMP AUDIO PWR 2.2W STER 28LLP 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)
LM4840MH 制造商:Texas Instruments 功能描述:AMP AUDIO STEREO 2W SMD TSSOP28
LM4840MH/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)
LM4840MT 制造商:Texas Instruments 功能描述:AMP AUDIO STEREO 2W SMD TSSOP28
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