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參數(shù)資料
| 型號(hào)： | LM4663MT |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 Watt Stereo Class D Audio Power Amplifier with Stereo Headphone Amplifier |
| 中文描述： | 2.1 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封裝： | TSSOP-24 |
| 文件頁(yè)數(shù)： | 2/10頁(yè) |
| 文件大?。?/td> | 606K |
| 代理商： | LM4663MT |
Absolute Maximum Ratings
(Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
Input Voltage
Power Dissipation (Note 3)
Load Resistance
ESD Susceptibility(Note 4)
Pins 5,7,18,20
ESD Susceptibility (Note 5)
Pins 5,7,18,20
Junction Temperature (Note 6)
Storage Temperature
6.0V
0.3V to V
DD
+0.3V
Internally Limited
2.5
, min
2000V
600V
200V
50V
150C
65C
≤
T
A
≤
150C
Soldering Information
TSSOP
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.
215C
220C
Operating Ratings
(Notes 1, 2)
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
Thermal Resistance (TSSOP Package)
θ
JA
θ
JC
40C
≤
T
A
≤
+85C
4.5V
≤
V
DD
≤
5.5V
80C/W
20C/W
Electrical Characteristics
(Notes 1, 2, 7)
The following specifications apply for V
DD
= 5V, R
L
= 4
, LC filter values as shown in Figure 1, unless otherwise specified.
Limits apply for T
A
= 25C.
Symbol
Parameter
Conditions
LM4663
Max
Units
Typical
Min
V
S
Operating Supply Voltage
Range
Quiescent Power Supply
Current, Class D Mode
Quiescent Power Supply
Current, Headphone Mode
Quiescent Power Supply
Current, Shutdown Mode
Input Resistance in Both Modes
Minimum High Level Input
Voltage
Maximum Low Level Input
Voltage
Minimum High Level Input
Voltage
Maximum Low Level Input
Voltage
Power Amplifiers
P
O
R
Output Power, Per Channel
P
D1
Power Dissipation
P
D2
Power Dissipation
P
D3
Power Dissipation
E
FF1
Efficiency
5
5.5
4.5
V
I
S
V
IN
= 0V
RMS
, V
HPSEL
= 0V
22
35
mA
I
S
V
IN
= 0V
RMS
, V
HPSEL
= V
S
5
10
mA
I
SD
V
SD
= 5V
2
μA
R
IN
20
k
V
IH
Shutdown Pin & Input Select
Pin
Shutdown Pin & Input Select
Pin
4.5
V
V
IL
0.5
V
V
IH
Headphone Select Pin
4.5
V
V
IL
Headphone Select Pin
0.5
V
THD+N
≤
1%, f
IN
= 1kHz
P
O
= 2W/Chan, f
IN
= 1kHz
P
O
= 1W/Chan, f
IN
= 1kHz
P
O
= .25W/Chan, f
IN
= 1kHz
P
O
= 2W/Chan, f
IN
= 1kHz
P
O
= 1W/Chan, R
L
= 8
, f
IN
=
1kHz
P
O
= .25W/Chan, f
IN
= 1kHz
P
O
= 1W/Chan, f
IN
= 1kHz
R
= 50
, C
IN
= 1μF,
BW = 8Hz to 22kHz
2.1
0.82
0.49
0.23
83
W
W
W
W
%
E
FF2
Efficiency
85
80
%
E
FF3
THD+N
Efficiency
Harmonic Distortion + Noise
Output Noise Voltage, RMS.
AWeighted
Power Supply Rejection Ratio
(Referred to Input)
Voltage Gain
Stereo Gain Tracking
69
0.2
%
%
V
NOISE
200
μV
PSRR
200mV, 1kHz, V
IN
= 0
44
dB
A
V
A
V
LA
V
R
1kHz, V
IN
= 100mV, R
L
= 4
1kHz, V
IN
= 100mV, R
L
= 4
13
0.1
dB
dB
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4663MT | 制造商:Texas Instruments 功能描述:AMP STEREO CLASS D 2W SMD 4663 |
| LM4663MT/NOPB | 功能描述:IC AMP AUDIO PWR 2.1W D 24TSSOP 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(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) |
| LM4663MTX | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: |
| LM4664 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Filterless High Efficiency 1.1W Switching Audio Amplifier |
| LM4664ITL | 制造商:Texas Instruments 功能描述:AMP FILTERLESS CLASS-A 1.1W 4664 |
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