參數(shù)資料
型號(hào)： LM4992SD
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 420mW Stereo Cell Phone Audio Amplifier
中文描述： 1.07 W, 2 CHANNEL, AUDIO AMPLIFIER, DSO14
封裝： LLP-14
文件頁(yè)數(shù)： 3/16頁(yè)
文件大小： 576K
代理商： LM4992SD
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 (Note 10)
Storage Temperature
Input Voltage
Power Dissipation (Notes 3, 11)
ESD Susceptibility (Note 4)
ESD Susceptibility (Note 5)
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
Junction Temperature
Thermal Resistance
θ
JA
(LLP)
150C
103C/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
LM4992
Units
(Limits)
Typical
(Note 6)
6
7
1.4
1.5
1.3
7
1.07
Limit
(Notes 7, 8)
14
18
3
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
V
mV (max)
W (min)
I
SD
V
SDIH
V
SDIL
V
OS
P
o
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
Output Power
30
0.9
THD = 1% (max); f = 1 kHz, per
channel
T
WU
THD+N
Xtalk
Wake-up time
Total Harmonic Distortion+Noise
Crosstalk
100
0.15
80
ms
%
dB
P
o
= 0.5 Wrms; f = 1kHz
PSRR
Power Supply Rejection Ratio
V
ripple
= 200mV sine p-p
Input terminated with 10
60 (f =
217Hz)
64 (f = 1kHz)
55
dB (min)
Electrical Characteristics V
DD
= 3.3V
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
LM4992
Units
(Limits)
Typical
(Note 6)
4
5
0.2
1.2
1.0
7
420
Limit
(Notes 7, 8)
12
15
2.0
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
V
mV (max)
mW (min)
I
SD
V
SDIH
V
SDIL
V
OS
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
Output Power
30
P
o
THD = 1% (max); f = 1 kHz, per
channel
T
WU
THD+N
Xtalk
Wake-up time
Total Harmonic Distortion+Noise
Crosstalk
75
0.1
80
ms
%
dB
P
o
= 0.25 Wrms; f = 1kHz
PSRR
Power Supply Rejection Ratio
V
ripple
= 200mV sine p-p
Input terminated with 10
65 (f =
217Hz)
70 (f = 1kHz)
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
LM4992SD/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
LM4992SDBD 功能描述:音頻 IC 開(kāi)發(fā)工具 LM4992SD EVAL BOARD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
LM4992SDBD/NOPB 制造商:Texas Instruments 功能描述:Evaluation Board For LM4992, 420Mw Stereo Cell Phone Audio Amplifier
LM4992SDX 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
LM4992SDX/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
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