TDA7492 查看數據表（PDF） - STMicroelectronics
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TDA7492 Datasheet PDF : 32 Pages
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Pin description
TDA7492
2.2
Pin list
Number
Name
1
2,3
4,5
6,7
8,9
10,11
12,13
14,15
16,17
18
SUB_GND
OUTPB
PGNDB
PVCCB
OUTNB
OUTNA
PVCCA
PGNDA
OUTPA
PGND
19
VDDPW
20
STBY
21
MUTE
22
INPA
23
INNA
24
ROSC
25
SYNCLK
26
VDDS
27
SGND
28
DIAG
29
SVR
30
GAIN0
31
GAIN1
32
INPB
33
INNB
34
VREF
35
SVCC
36
VSS
-
EP
Table 2. Pin description list
Type
Description
PWR
Connect to the frame
O
Positive PWM for right channel
PWR
Power stage ground for right channel
PWR
O
Power supply for right channel
Negative PWM output for right channel
O
Negative PWM output for left channel
PWR
Power supply for left channel
PWR
O
PWR
Power stage ground for left channel
Positive PWM output for left channel
Power stage ground
O
3.3-V (nominal) regulator output referred to ground for
power stage
I
Standby mode control
I
Mute mode control
I
Positive differential input of left channel
I
Negative differential input of left channel
O
Master oscillator frequency-setting pin
I/O
Clock in/out for external oscillator
O
3.3-V (nominal) regulator output referred to ground for signal
blocks
PWR
Signal ground
O
Open-drain diagnostic output
O
Supply voltage rejection
I
Gain setting input 1
I
Gain setting input 2
I
Positive differential input of right channel
I
Negative differential input of right channel
O
PWR
Half VDDS (nominal) referred to ground
Signal power supply
O
3.3-V (nominal) regulator output referred to power supply
-
Exposed pad for heatsink, to be connected to GND
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DocID014926 Rev 6
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