參數(shù)資料
型號： LM4902LDX/NOPB
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 0.675 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝： LLP-8
文件頁數(shù)： 12/18頁
文件大小： 772K
代理商： LM4902LDX/NOPB
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
6.0V
Storage Temperature
65C to +150C
Input Voltage
0.3V to V
DD + 0.3V
Power Dissipation (Note 3)
Internally limited
ESD Susceptibility (Note 4)
2000V
ESD Susceptibility (Note 5)
200V
Junction Temperature
150C
Soldering Information
Small Outline Package
Vapor Phase (60 sec.)
215C
Infrared (15 sec.)
220C
See AN-450 “Surface Mounting and their Effects on
Product Reliability” for other methods of soldering surface
mount devices.
Thermal Resistance
θ
JC (MSOP)
56C/W
θ
JA (MSOP)
190C/W
θ
JA (LLP)
67C/W
Operating Ratings
Temperature Range
T
MIN ≤ TA ≤ TMAX
40C
≤ T
A ≤ +85C
Supply Voltage
2.0V
≤ V
DD ≤ 5.5V
Electrical Characteristics (Note 1) (Note 2)
The following specifications apply for V
DD = 5V, for all available packages, unless otherwise specified. Limits apply for TA =
25C
Symbol
Parameter
Conditions
LM4902
Units
(Limits)
Typical
Limit
(Notes 7,
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A (Note 8)
4
6.0
mA (max)
I
SD
Shutdown Current
V
PIN1 =GND
0.1
5
A (max)
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power
THD = 1% (max); f = 1kHz; R
L =8;
675
300
mW (min)
THD+N
Total Harmonic Distortion+Noise
P
O = 400 mWrms; AVD =2; RL =8;
20Hz
≤ f ≤ 20kHz, BW < 80kHz
0.4
%
PSRR
Power Supply Rejection Ratio
V
RIPPLE = 200mV sine p-p
dB
f = 217Hz (Note 10)
70
f = 1KHz (Note 10)
67
f = 217Hz (Note 11)
55
f = 1KHz (Note 11)
55
Electrical Characteristics (Notes 1, 2)
The following specifications apply for V
DD = 3.3V, for all available packages, unless otherwise specified. Limits apply for TA =
25C
Symbol
Parameter
Conditions
LM4902
Units
(Limits)
Typical
Limit
(Notes 7,
I
DD
Quiescent Power Supply Current
V
IN = 0V, IO = 0A (Note 8)
3
5
mA (max)
I
SD
Shutdown Current
V
PIN1 = GND
0.1
3
A (max)
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power
THD = 1% (max); f = 1kHz; R
L =8;
265
mW
THD+N
Total Harmonic Distortion+Noise
P
O = 250 mWrms; AVD =2; RL =8;
20Hz
≤ f ≤ 20kHz, BW < 80kHz
0.4
%
PSRR
Power Supply Rejection Ratio
V
RIPPLE = 200mV sine p-p
dB
f = 217Hz (Note 10)
73
f = 1KHz (Note 10)
70
f = 217Hz (Note 11)
60
f = 1KHz (Note 11)
68
LM4902
www.national.com
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PDF描述
LM4902LD/NOPB 0.675 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
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相關代理商/技術參數(shù)
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LM4902MM 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
LM4902MM/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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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LM4903MM/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)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機，2-通道（立體聲） 在某負載時最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點:I²C，麥克風，靜音，短路保護，音量控制 安裝類型:表面貼裝 供應商設備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
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