TDA7491P13TR STMicroelectronics, TDA7491P13TR Datasheet - Page 6

• Manufacturer Part Number: TDA7491P13TR
• Description: AMP, AUDIO, DUAL, CLASS D, 36PSSOEPD
• Manufacturer: STMicroelectronics

Specifications of TDA7491P13TR

• Amplifier Class: D
• No. Of Channels: 2
• Output Power: 9.5W
• Supply Voltage Range: 5V To 18V
• Thd + N: 0.1% @ 1W, 6ohm, VCC=11V
• Load Impedance: 6ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes

List of figures
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Applications circuit for class-D amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Standby and mute circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Turn-on/off sequence for minimizing speaker “pop” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Device input circuit and frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Master and slave connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Unipolar PWM output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Typical LC filter for a 8-Ω speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Typical LC filter for a 4-Ω speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Behavior of pin DIAG for various protection conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power derating curves for PCB used as heatsink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Doc ID 13540 Rev 4
TDA7491P