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LM4922 PDF预览

LM4922

更新时间: 2024-02-09 02:27:41
品牌 Logo 应用领域
美国国家半导体 - NSC 放大器
页数 文件大小 规格书
21页 1233K
描述
Ground-Referenced, Ultra Low Noise, Fixed Gain, 80mW Stereo Headphone Amplifier

LM4922 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:FBGA, BGA14,4X4,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
Factory Lead Time:1 week风险等级:5.81
商用集成电路类型:AUDIO AMPLIFIERJESD-30 代码:S-PBGA-B14
JESD-609代码:e1湿度敏感等级:1
功能数量:2端子数量:14
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:FBGA
封装等效代码:BGA14,4X4,20封装形状:SQUARE
封装形式:GRID ARRAY, FINE PITCH峰值回流温度(摄氏度):260
电源:3 V认证状态:Not Qualified
子类别:Audio/Video Amplifiers最大压摆率:10 mA
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Silver/Copper (Sn/Ag/Cu)
端子形式:BALL端子节距:0.5 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

LM4922 数据手册

 浏览型号LM4922的Datasheet PDF文件第1页浏览型号LM4922的Datasheet PDF文件第2页浏览型号LM4922的Datasheet PDF文件第3页浏览型号LM4922的Datasheet PDF文件第5页浏览型号LM4922的Datasheet PDF文件第6页浏览型号LM4922的Datasheet PDF文件第7页 
Absolute Maximum Ratings (Note 2)  
If Military/Aerospace specified devices are required,  
please contact the National Semiconductor Sales Office/  
Distributors for availability and specifications.  
Junction Temperature  
Thermal Resistance  
150˚C  
θJA (typ) TLE1411A (Note 11)  
86˚C/W  
Supply Voltage  
4.5V  
−65˚C to +150˚C  
-0.3V to VDD + 0.3V  
Internally Limited  
2000V  
Operating Ratings  
Temperature Range  
Storage Temperature  
Input Voltage  
TMIN TA TMAX  
−40˚C TA 85˚C  
1.6V VDD 4.2V  
Power Dissipation (Note 3)  
ESD Susceptibility (Note 4)  
ESD Susceptibility (Note 5)  
Supply Voltage (VDD  
)
200V  
Electrical Characteristics VDD = 3V (Note 1)  
The following specifications apply for VDD = 3V and 16load unless otherwise specified. Limits apply to TA = 25˚C.  
Symbol Parameter Conditions LM4922  
Units  
(Limits)  
Typ  
Limit  
(Note 6)  
(Notes 7, 8)  
Quiescent Power Supply Current VIN = 0V, inputs terminated  
2.3  
mA  
mA (max)  
mA  
Auto Standby Mode  
both channels enabled  
VIN = 0V, inputs terminated  
both channels enabled  
VIN = 0V, inputs terminated  
one channel enabled  
IDD  
7
5
10  
Quiescent Power Supply Current  
Full Power Mode  
ISD  
Shutdown Current  
Output Offset Voltage  
Voltage Gain  
VSD_LC = VSD_RC = GND  
RL = 32, VIN = 0V  
0.1  
0.7  
–1.5  
1
1.8  
5
µA (max)  
mV (max)  
V/V  
VOS  
AV  
AV  
Gain Match  
%
15  
25  
k(min)  
k(max)  
RIN  
Input Resistance  
20  
80  
65  
43  
THD+N = 1% (max); f = 1kHz,  
RL = 16, one channel  
THD+N = 1% (max); f = 1kHz,  
RL = 32, one channel  
THD+N = 1% (max); f = 1kHz,  
RL = 16, (two channels in phase)  
THD+N = 1% (max); f = 1kHz,  
RL = 32, (two channels in phase)  
PO = 60mW, f = 1kHz, RL = 16Ω  
single channel  
mW  
mW  
PO  
Output Power  
38  
45  
mW (min)  
mW (min)  
50  
0.04  
Total Harmonic Distortion +  
Noise  
THD+N  
%
PO = 50mW, f = 1kHz, RL = 32Ω  
single channel  
0.03  
VRIPPLE = 200mVp-p, Input Referred  
f = 217Hz  
70  
65  
50  
Power Supply Rejection Ratio  
Full Power Mode  
PSRR  
SNR  
f = 1kHz  
dB  
dB  
f = 20kHz  
RL = 32, POUT = 20mW,  
(A-weighted)  
Signal-to-Noise Ratio  
100  
f = 1kHz, BW = 20Hz to 22kHz  
VDD = 1.8V to 4.2V  
VIH  
VIL  
Shutdown Input Voltage High  
Shutdown Input Voltage Low  
Wake Up Time From  
1.2  
V (min)  
V (max)  
µs  
VDD = 1.8V to 4.2V  
0.45  
TWU  
5
Auto-Standby  
RL = 16, PO = 1.6mW,  
f = 1kHz  
XTALK  
Crosstalk  
60  
dB  
www.national.com  
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