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參數(shù)資料
| 型號(hào)： | LM4840MH |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 音頻控制 |
| 英文描述： | Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux |
| 中文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO28 |
| 封裝： | TSSOP-28 |
| 文件頁(yè)數(shù)： | 3/19頁(yè) |
| 文件大小： | 786K |
| 代理商： | LM4840MH |
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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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PDF描述 |
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| LM4840MT | Stereo 2W Audio Power Amplifiers with Digital Volume Control and Input Mux |
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| LM4841LQ | Stereo 2W Amplifiers with DC Volume Control, Transient Free Outputs, and Cap-less Headphone Drive |
| LM4841MH | Stereo 2W Amplifiers with DC Volume Control, Transient Free Outputs, and Cap-less Headphone Drive |
| LM4841MT | 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 |
|---|---|
| LM4840MH/NOPB | 功能描述:IC AMP AUDIO PWR 2.2W AB 28TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 線(xiàn)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(lèi)型:H 類(lèi) 輸出類(lèi)型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)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(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類(lèi)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 |
| LM4840MT/NOPB | 功能描述:IC AMP AUDIO PWR 2.2W AB 28TSSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 線(xiàn)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(lèi)型:H 類(lèi) 輸出類(lèi)型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)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(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類(lèi)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(chēng):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(chēng):National Semiconductor 功能描述:Low EMI, Filterless, 2.3W Stereo Class D Audio Power Amplifier with National 3D Enhancement |
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