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LM4995_15

更新时间： 2022-02-26 10:57:53
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德州仪器 - TI /
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22页 954K
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1.3 W Audio Power Amplifier

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LM4995_15 数据手册

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LM4995, LM4995TMBD  
SNAS329G –APRIL 2006–REVISED APRIL 2013  
www.ti.com  
ELECTRICAL CHARACTERISTICS VDD = 5V(1)(2)  
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for TA = 25°C.  
LM4995  
Typical(3)  
Units  
(Limits)  
Symbol  
Parameter  
Conditions  
Limit(4)(5)  
VIN = 0V, Io = 0A, No Load  
VIN = 0V, Io = 0A, 8Ω Load  
VSD = VGND  
1.5  
1.8  
0.01  
5
2.5  
mA (max)  
mA  
IDD  
Quiescent Power Supply Current  
ISD  
VOS  
Po  
Shutdown Current  
Output Offset Voltage  
Output Power  
1
µA (max)  
mV (max)  
W
No Load  
26  
THD+N = 1% (max); f = 1 kHz  
1.3 (TM)  
1.25 (SD)  
TWU  
Wake-up time  
165  
ms  
%
THD+N  
Total Harmonic Distortion + Noise  
Po = 500mWRMS; f = 1kHz  
0.08  
Vripple = 200mV sine p-p  
Input terminated to GND  
73 (f = 217Hz)  
73 (f = 1kHz)  
PSRR  
Power Supply Rejection Ratio  
dB  
VSDIH  
VSDIL  
Shutdown Voltage Input High  
Shutdown Voltage Input Low  
1.5  
1.2  
V
V
(1) All voltages are measured with respect to the ground pin, unless otherwise specified.  
(2) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for  
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical  
specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the  
Operating Ratings. Specifications are not ensure for parameters where no limit is given, however, the typical value is a good indication  
of device performance.  
(3) Typicals are measured at 25°C and represent the parametric norm.  
(4) Limits are specified to AOQL (Average Outgoing Quality Level).  
(5) Datasheet min/max specification limits are specified by design, test, or statistical analysis.  
ELECTRICAL CHARACTERISTICS VDD = 3.6V(1)(2)  
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for TA = 25°C.  
LM4995  
Typical(3)  
Units  
(Limits)  
Symbol  
Parameter  
Conditions  
Limit(4)(5)  
VIN = 0V, Io = 0A, No Load  
VIN = 0V, Io = 0A, 8Ω Load  
VSD = VGND  
1.3  
1.6  
0.01  
5
2.3  
mA (max)  
mA  
IDD  
Quiescent Power Supply Current  
ISD  
Shutdown Current  
Output Offset Voltage  
Output Power  
1
µA (max)  
mV (max)  
mW  
VOS  
No Load  
26  
THD+N = 1% (max); f = 1 kHz  
625 (TM)  
610 (SD)  
Po  
TWU  
Wake-up time  
130  
ms  
%
THD+N  
Total Harmonic Distortion + Noise  
Po = 300mWRMS; f = 1kHz  
0.07  
Vripple = 200mV sine p-p  
Input terminated to GND  
75 (f = 217Hz)  
76 (f = 1kHz)  
PSRR  
Power Supply Rejection Ratio  
dB  
VSDIH  
VSDIL  
Shutdown Voltage Input High  
Shutdown Voltage Input Low  
1.3  
1
V
V
(1) All voltages are measured with respect to the ground pin, unless otherwise specified.  
(2) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for  
which the device is functional, but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical  
specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the  
Operating Ratings. Specifications are not ensure for parameters where no limit is given, however, the typical value is a good indication  
of device performance.  
(3) Typicals are measured at 25°C and represent the parametric norm.  
(4) Limits are specified to AOQL (Average Outgoing Quality Level).  
(5) Datasheet min/max specification limits are specified by design, test, or statistical analysis.  
4
Submit Documentation Feedback  
Copyright © 2006–2013, Texas Instruments Incorporated  
Product Folder Links: LM4995 LM4995TMBD  
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