參數(shù)資料
型號： LM4905MM
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 1 Watt Audio Power Amplifier
中文描述： 1.07 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝： MSOP-8
文件頁數(shù)： 3/17頁
文件大?。?/td> 686K
代理商： LM4905MM
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 2)
Supply Voltage (Note 10)
Storage Temperature
Input Voltage
Power Dissipation (Notes 3, 11)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
150C
Thermal Resistance
θ
JC
(LQ)
θ
JA
(LQ)
θ
JC
(LD)
θ
JA
(LD)
57C/W
140C/W
71C/W
95C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.2V
≤
V
DD
≤
5.5V
Electrical Characteristics V
DD
= 5V
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4905
Units
(Limits)
Typical
(Note 6)
3.4
4
0.8
1.5
1.3
7
1.07
100
0.2
60 (f =
217Hz)
64 (f = 1kHz)
Limit
(Notes 7, 8)
7
10
2
I
DD
Quiescent Power Supply Current
V
IN
= 0V, I
o
= 0A, No Load
V
IN
= 0V, I
o
= 0A, 8
Load
V
SD
= V
GND
mA (max)
mA (max)
μA (max)
V (min)
V (max)
mV (max)
W
mS (max)
%
I
SD
V
SDIH
V
SDIL
V
OS
P
o
T
WU
THD+N
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
Output Power
Wake-up time
Total Harmonic Distortion+Noise
50
0.9
THD = 1% (max); f = 1 kHz
P
o
= 0.5 Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
Input terminated with 10
PSRR
Power Supply Rejection Ratio
55
dB (min)
Electrical Characteristics V
DD
= 3V
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A
= 25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4905
Units
(Limits)
Typical
(Note 6)
2.4
3
0.1
1.3
1.0
7
390
75
0.1
65 (f =
217Hz)
70 (f = 1kHz)
Limit
(Notes 7, 8)
7
9
1.0
I
DD
Quiescent Power Supply Current
V
IN
= 0V, I
o
= 0A, No Load
V
IN
= 0V, I
o
= 0A, 8
Load
V
SD
= V
GND
mA (max)
mA (max)
μA (max)
V (min)
V (max)
mV (max)
mW
mS (max)
%
I
SD
V
SDIH
V
SDIL
V
OS
P
o
T
WU
THD+N
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
Output Power
Wake-up time
Total Harmonic Distortion+Noise
50
THD = 1% (max); f = 1 kHz
P
o
= 0.25 Wrms; f = 1kHz
V
ripple
= 200mV sine p-p
Input terminated with 10
PSRR
Power Supply Rejection Ratio
55
dB (min)
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4905MM/NOPB 功能描述:IC AMP AUDIO PWR 1.07W AB 8MSOP 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)
LM4906 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1W, Bypass-Capacitor-less Audio Amplifier with Internal Selectable Gain
LM4906GR 制造商:Rochester Electronics LLC 功能描述:- Bulk
LM4906LD 制造商:NSC 制造商全稱:National Semiconductor 功能描述:1W, Bypass-Capacitor-less Audio Amplifier with Internal Selectable Gain
LM4906LD/NOPB 功能描述:IC AMP AUDIO PWR 1W MONO 10LLP 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)
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