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TDA7491LP Fiches technique(PDF) 8 Page - STMicroelectronics |
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TDA7491LP Fiches technique(HTML) 8 Page - STMicroelectronics |
8 / 37 page Pin description TDA7491LP 8/37 Doc ID 13541 Rev 5 2.2 Pin list Table 2. Pin description list Number Name Type Description 1 SUB_GND POWER Connect to the frame 2,3 OUTPB OUT Positive PWM output for right channel 4,5 PGNDB POWER Power stage ground for right channel 6,7 PVCCB POWER Power supply for right channel 8,9 OUTNB OUT Negative PWM output for right channel 10,11 OUTNA OUT Negative PWM output for left channel 12,13 PVCCA POWER Power supply for left channel 14,15 PGNDA POWER Power stage ground for left channel 16,17 OUTPA OUT Positive PWM output for left channel 18 PGND POWER Power stage ground 19 VDDPW OUT 3.3-V (nominal) regulator output referred to ground for power stage 20 STBY INPUT Standby mode control 21 MUTE INPUT Mute mode control 22 INPA INPUT Positive differential input of left channel 23 INNA INPUT Negative differential input of left channel 24 ROSC OUT Master oscillator frequency-setting pin 25 SYNCLCK IN/OUT Clock in/out for external oscillator 26 VDDS OUT 3.3-V (nominal) regulator output referred to ground for signal blocks 27 SGND POWER Signal ground 28 DIAG OUT Open-drain diagnostic output 29 SVR OUT Supply voltage rejection 30 GAIN0 INPUT Gain setting input 1 31 GAIN1 INPUT Gain setting input 2 32 INPB INPUT Positive differential input of right channel 33 INNB INPUT Negative differential input of right channel 34 VREF OUT Half VDDS (nominal) referred to ground 35 SVCC POWER Signal power supply 36 VSS OUT 3.3-V (nominal) regulator output referred to power supply -EP - Exposed pad for ground-plane heatsink, to be connected to GND |
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