TDA7491MV Datasheet, PDF (7/28 Pages) STMicroelectronics – 25 W mono BTL class-D audio amplifier

TDA7491MV
Pin description
2.2
Pin list
Table 2. Pin description list
Number
Name
Type
1
SUB_GND POWER
2,3
NC
-
4,5
NC
-
6,7
NC
-
8,9
NC
-
10,11 OUTN
OUT
12,13 PVCC
POWER
14,15 PGND
POWER
16,17
18
OUTP
PGND
OUT
POWER
19
VDDPW
OUT
20
STBY
INPUT
21
MUTE
INPUT
22
INP
INPUT
23
INN
INPUT
24
ROSC
OUT
25
SYNCLCK IN/OUT
26
VDDS
OUT
27
SGND
28
DIAG
29
SVR
30
GAIN0
31
GAIN1
32
VDDS
33
SGND
34
VREF
35
SVCC
36
VSS
POWER
OUT
OUT
INPUT
INPUT
POWER
POWER
OUT
POWER
OUT
Description
Connect to the frame
No internal connection
No internal connection
No internal connection
No internal connection
Negative PWM output
Power supply
Power stage ground
Positive PWM output
Power stage ground
3.3 V (nominal) regulator output referred to ground for power
stage
Standby mode control
Mute mode control
Positive differential input
Negative differential input
Master oscillator frequency-setting pin
Clock in/out for external oscillator
3.3 V (nominal) regulator output referred to ground for signal
blocks
Signal ground
Open-drain diagnostic output
Supply voltage rejection
Gain setting input 1
Gain setting input 2
To be connected to VDDS (pin 26)
Signal ground
Half VDDS (nominal) referred to ground
Signal power supply
3.3 V (nominal) regulator output referred to power supply
Doc ID 14576 Rev 2
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