LM4930LQBD National Semiconductor, LM4930LQBD Datasheet - Page 18
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LM4930LQBD
Manufacturer Part Number
LM4930LQBD
Description
BOARD EVALUATION LM4930LQ
Manufacturer
National Semiconductor
Series
Boomer®r
Specifications of LM4930LQBD
Amplifier Type
Class AB
Output Type
1-Channel (Mono) with Stereo Headphones
Max Output Power X Channels @ Load
1W x 1 @ 8 Ohm; 27mW x 2 @ 32 Ohm
Voltage - Supply
2.6 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Board Type
Fully Populated
Utilized Ic / Part
LM4930
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Typical Performance Characteristics
Top Trace = 47dB MIC Gain, Bottom Trace = 17dB MIC
MIC PreAmp + ADC Frequency Response Low Cutoff
MIC PreAmp + ADC PSRR vs Frequency
ADC THD+N vs MIC Input Voltage
(MIC Gain = 17dB)
(MIC Gain = 17dB)
Gain
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(Note 16) (Continued)
18
MIC PreAmp + ADC Frequency Response Low Cutoff
Headphone Sense In Hysteresis Loop
ADC THD+N vs MIC Input Voltage
(MIC Gain = 47dB)
(MIC Gain = 47dB)
(AV
DD
= 3V)
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