參數(shù)資料
型號： LM4809MM
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： Dual 105mW Headphone Amplifier with Active-Low Shutdown Mode
中文描述： 0.105 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝： MSOP-8
文件頁數(shù)： 3/18頁
文件大?。?/td> 903K
代理商： LM4809MM
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
Storage Temperature
ESD Susceptibility (Note 4)
ESD Machine model (Note 8)
Junction Temperature (T
J
)
Soldering Information (Note 1)
Small Outline Package
Vapor Phase (60 sec.)
Infrared (15 sec.)
6.0V
65C to +150C
3.5kV
250V
150C
215C
220C
Thermal Resistance
θ
JA
(SO)
θ
JC
(SO)
θ
JA
(MSOP)
θ
JC
(MSOP)
θ
JA
(LLP)
θ
JA
(LLP)
θ
JC
(LLP)
170C/W
35C/W
210C/W
56C/W
117C/W (Note 9)
150C/W (Note 10)
15C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage (V
CC
)
40C
≤
T
A
≤
85C
2.0V
≤
V
CC
≤
5.5V
Note 1:
See AN-450 “Surface Mounting and their Effects on Product Reli-
ability” for other methods of soldering surface mount devices.
Electrical Characteristics
(Notes 2, 3)
The following specifications apply for V
DD
= 5V unless otherwise specified, limits apply to T
A
= 25C.
Symbol
Parameter
Conditions
LM4809
Units
(Limits)
Typ
(Note 5)
Limit
(Note 7)
2.0
5.5
3
2
50
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
μA(max)
mV(max)
I
DD
I
SD
V
OS
P
O
Supply Current
Shutdown Current
Output Offset Voltage
Output Power
V
IN
= 0V, I
O
= 0A
V
IN
= 0V, V
SHUTDOWN
= GND
V
IN
= 0V
THD+N = 0.1%, f = 1kHz
R
L
= 16
R
L
= 32
P
O
= 50mW, R
L
= 32
f = 20Hz to 20kHz
R
L
= 32
; P
O
= 70mW
C
B
= 1.0μF; V
RIPPLE
= 200mV
PP
,
f = 1kHz; Input terminated into 50
1.4
0.4
4.0
105
70
0.3
mW
65
mW (min)
%
THD+N
Total Harmonic Distortion
Crosstalk
PSRR
Channel Separation
Power Supply Rejection Ratio
70
70
dB
dB
V
SDIH
V
SDIL
Shutdown Voltage Input High
Shutdown Voltage Input Low
0.8 x V
DD
0.2 x V
DD
V (min)
V (max)
Electrical Characteristics
(Notes 2, 3)
The following specifications apply for V
DD
= 3.3V unless otherwise specified, limits apply to T
A
= 25C.
Symbol
Parameter
Conditions
LM4809
Units
(Limits)
Typ
(Note 5)
1.1
0.4
4.0
Limit
(Note 7)
I
DD
I
SD
V
OS
P
O
Supply Current
Shutdown Current
Output Offset Voltage
Output Power
V
IN
= 0V, I
O
= 0A
V
IN
= 0V, V
SHUTDOWN
= GND
V
IN
= 0V
THD+N = 0.1%, f = 1kHz
R
L
= 16
R
L
= 32
P
O
= 25mW, R
L
= 32
f = 20Hz to 20kHz
R
L
= 32
; P
O
= 25mW
mA
μA
mV
40
28
0.4
mW
mW
%
THD+N
Total Harmonic Distortion
Crosstalk
Channel Separation
70
dB
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4809MM/NOPB 功能描述:音頻放大器 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
LM4809MMX 功能描述:音頻放大器 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
LM4809MMX/NOPB 功能描述:音頻放大器 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
LM4809MX 制造商:Rochester Electronics LLC 功能描述:- Bulk
LM4810 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual 105mW Headphone Amplifier with Active-High Shutdown Mode
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