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TDA7491HV Datasheet(PDF) 6 Page - STMicroelectronics

Part # TDA7491HV
Description  20 W 20 W dual BTL class-D audio amplifier
PDF  26 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7491HV Datasheet(HTML) 6 Page - STMicroelectronics

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Pin description
TDA7491HV
6/26
2.2
Pin list
Table 2.
Pin description list
Number
Name
Type
Description
1
SUB_GND
POWER
Connect to the frame
2,3
OUTPUTB
OUT
Positive PWM for right channel
4,5
PGNDB
POWER
Power stage round 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 right channel
12,13
PVCCA
POWER
Power supply for left channel
14,15
PGNDA
POWER
Power stage round for left channel
16,17
OUTPA
OUT
Positive PWM output for left channel
18
PGND
POWER
Power stage round
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 round
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



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