TDA7491MV 查看數據表（PDF） - STMicroelectronics
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TDA7491MV Datasheet PDF : 28 Pages
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TDA7491MV
Pin description
2.2
Pin list
Table 2. Pin description list
Pin n° Name
Type
Description
1
SUB_GND POWER Connect to the frame
2, 3
NC
-
No internal connection
4, 5
NC
-
No internal connection
6, 7
NC
8, 9
NC
-
No internal connection
-
No internal connection
10,11
OUTN
OUT Negative PWM output
12,13
PVCC
POWER Power supply
14,15
PGND
POWER Power stage ground
16,17
18
OUTP
PGND
OUT Positive PWM output
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
INP
INPUT Positive differential input
23
INN
INPUT Negative differential input
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
VDDS POWER To be connected to VDDS (pin 26)
33
SGND POWER Signal ground
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
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