LM48520TL National Semiconductor, LM48520TL Datasheet - Page 4

• Manufacturer Part Number: LM48520TL
• Manufacturer: National Semiconductor

Specifications of LM48520TL

• Operational Class: Class-D
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 1.3x2@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.04@8Ohm@500mW%
• Single Supply Voltage (typ): Not RequiredV
• Dual Supply Voltage (typ): 3/5V
• Power Supply Requirement: Triple
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 82dB
• Single Supply Voltage (min): Not RequiredV
• Single Supply Voltage (max): Not RequiredV
• Dual Supply Voltage (min): 2.4/2.7/3V
• Dual Supply Voltage (max): 5/5.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 25
• Lead Free Status / RoHS Status: Supplier Unconfirmed

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Pin Descriptions
Pin Designator
C1
C2
C3
C4
C5
D1
D2
D3
D4
D5
A1
A2
A3
A4
A5
B1
B2
B3
B4
B5
E1
E2
E3
E4
E5
Pin Name
SW_GND
Soft Start
FB_GND
AmpSD
OUTR+
OUTL+
OUTR-
OUTL-
PGND
BstFB
BstSD
VLimit
Gain0
Gain1
INR+
GND
VDD
INR-
INL+
INL-
PV1
SW
NC
NC
V1
Power Supply
Regulator Feedback Input. Connect BstFB to an external resistive voltage
divider to set the boost output voltage.
Soft start capacitor
Booster ground
Drain of the Internal FET switch
Non-inverting right channel input
Inverting right channel input
Ground return for R1, R2 resistor divider
Inverting left channel input
Non-inverting left channel input
Amplifier supply voltage. Connect to PV1.
Regulator active low shutdown
Ground
Gain setting input 0
Amplifier H-bridge power supply. Connect to V1.
Amplifier active low shutdown
Non-inverting right channel output
No connect
Non-inverting left channel output
Gain setting input 1
Set to control output clipping level
Inverting right channel output
Power ground
Inverting left channel output
No connect
4
Pin Function