參數(shù)資料
型號： LM4670SD
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： Filterless High Efficiency 3W Switching Audio Amplifier
中文描述： 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝： LLP-8
文件頁數(shù)： 3/18頁
文件大?。?/td> 1080K
代理商： LM4670SD
Absolute Maximum Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage (Note 1)
Storage Temperature
Voltage at Any Input Pin
Power Dissipation (Note 3)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
Junction Temperature (T
JMAX
)
Thermal Resistance
6.0V
65C to +150C
V
DD
+ 0.3V
≥
V
≥
GND - 0.3V
Internally Limited
2.0kV
200V
150C
θ
JA
(micro SMD)
θ
JA
(LLP)
θ
JC
(LLP)
Soldering Information
See AN-1112 "microSMD Wafers Level Chip Scale
Package."
220C/W
64C/W
TBDC/W
Operating Ratings
(Note 1) (Note 2)
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.4V
≤
V
DD
≤
5.5V
Electrical Characteristics
The following specifications apply for A
V
= 2V/V (R
I
= 150k
), R
L
= 15μH + 8
+ 15μH unless otherwise specified. Limits ap-
ply for T
A
= 25C.
(Notes 1, 2)
Symbol
Parameter
Conditions
LM4670
Units
(Limits)
Typical
(Note 6)
Limit
(Notes 7, 8)
|V
OS
|
Differential Output Offset Voltage
V
I
= 0V, A
V
= 2V/V,
V
DD
= 2.4V to 5.0V
V
DD
= 2.4V to 5.0V,
Input Referred
V
DD
= 2.4V to 5.0V
V
IC
= V
DD
/2 to 0.5V,
V
IC
= V
DD
/2 to V
DD
– 0.8V,
Input Referred
V
DD
= 5.0V, V
I
= 5.8V
V
DD
= 5.0V, V
I
= –0.3V
V
IN
= 0V, No Load, V
DD
= 5.0V
V
IN
= 0V, No Load, V
DD
= 3.6V
V
IN
= 0V, No Load, V
DD
= 2.4V
V
SHUTDOWN
= 0V
V
DD
= 2.4V to 5.0V
25
mV (max)
PSRR
GSM
GSM Power Supply Rejection Ratio
64
dB
CMRR
GSM
GSM Common Mode Rejection
Ratio
80
dB
|I
IH
|
|I
IL
|
Logic High Input Current
Logic Low Input Current
20
1
7.0
4.8
3.8
100
5
10
μA (max)
μA (max)
mA (max)
mA
mA (max)
I
DD
Quiescent Power Supply Current
5
I
SD
Shutdown Current
0.01
1
μA (max)
V
SDIH
V
SDIL
R
OSD
Shutdown voltage input high
Shutdown voltage input low
Output Impedance
1.0
0.8
>
100
1.4
0.4
V (min)
V (max)
k
V/V (min)
V/V (max)
V
SHUTDOWN
= 0.4V
A
V
Gain
300k
/R
I
270k
/R
I
330k
/R
I
R
SD
Resistance from Shutdown Pin to
GND
300
k
P
O
Output Power
R
L
= 15μH + 4
+ 15μH,
THD = 10% (max)
f = 1kHz, 22kHz BW
V
DD
= 5V
V
DD
= 3.6V
V
DD
= 2.5V
R
L
= 15μH + 4
+ 15μH,
THD+N = 1% (max)
f = 1kHz, 22kHz BW
V
DD
= 5V,
V
DD
= 3.6V,
V
DD
= 2.5V,
3.0
1.5
675
W
W
mW
2.3
1.2
550
W
W
mW
L
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LM4670SD/NOPB 功能描述:音頻放大器 Filterless Hi Eff 3W Switching Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4670SDX/NOPB 功能描述:音頻放大器 Filterless Hi Eff 3W Switching Audio Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4671 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Filterless High Efficiency 2.5W Switching Audio Amplifier
LM4671_07 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Filterless High Efficiency 2.5W Switching Audio Amplifier
LM4671_08 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Filterless High Efficiency 2.5W Switching Audio Amplifier
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