LM4752TS National Semiconductor, LM4752TS Datasheet - Page 7

• Manufacturer Part Number: LM4752TS
• Description: IC, AMP, AUDIO, 11W, AB, 7TO263
• Manufacturer: National Semiconductor

Specifications of LM4752TS

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 7x2@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.08@8Ohm@2W%
• Single Supply Voltage (typ): 12/15/18/24/28V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Power Dissipation: 62.5W
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 50dB
• Single Supply Voltage (min): 9V
• Single Supply Voltage (max): 32V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 7 +Tab
• Package Type: TO-263
• Amplifier Class: AB
• No. Of Channels: 2
• Output Power: 11W
• Supply Voltage Range: 9V To 32V
• Thd + N: 0.08% @ 1W, 8ohm, VCC=24V
• Load Impedance: 4ohm
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Amplifier Case Style: TO-263
• Lead Free Status / RoHS Status: Not Compliant

System Application Circuit
External Components Description
10, 11
12, 13
Components
1, 2
3, 4
5, 6
8, 9
7
Rsn
Csn
Cs
Cb
Co
Ci
Ri
Provides power supply filtering and bypassing.
Works with Csn to stabilize the output stage from high frequency oscillations.
Works with Rsn to stabilize the output stage from high frequency oscillations.
Provides filtering for the internally generated half-supply bias generator.
Input AC coupling capacitor which blocks DC voltage at the amplifier's input terminals. Also creates a high pass
filter with fc =1/(2 •
Output AC coupling capacitor which blocks DC voltage at the amplifier's output terminal. Creates a high pass
filter with fc =1/(2 •
Voltage control - limits the voltage level to the amplifier's input terminals.
FIGURE 4. Circuit for External Components Description
π
π
• Rin • Cin).
• Rout • Cout).
7
Function Description
10003905
www.national.com