LM4924SDBD National Semiconductor, LM4924SDBD Datasheet - Page 13

• Manufacturer Part Number: LM4924SDBD
• Description: BOARD EVALUATION LM4924SD
• Manufacturer: National Semiconductor
• Series: Boomer®r

Specifications of LM4924SDBD

• Amplifier Type: Class AB
• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 40mW x 2 @ 16 Ohm
• Voltage - Supply: 1.5 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: LM4924
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

The result is
Use a 0.39µF capacitor, the closest standard value.
The high frequency pole is determined by the product of the
desired frequency pole, f
HIGHER GAIN AUDIO AMPLIFIER
1/(2
π
*20kΩ*20Hz) = 0.397µF
H
, and the differential gain, A
V
. With
FIGURE 3.
13
an A
which is much smaller than the LM4924 GBWP of 11MHz.
This figure displays that if a designer has a need to design an
amplifier with higher differential gain, the LM4924 can still be
used without running into bandwidth limitations.
V
= 1 and f
H
= 100kHz, the resulting GBWP = 100kHz
20121029
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