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HFDA801A Datasheet(PDF) 3 Page - STMicroelectronics

Part # HFDA801A
Description  4 x 80W digital input class-D automotive audio amplifier with Hi-Fi audio quality, advanced diagnostics, 2 MHz switching frequency and High Resolution Bandwidth
PDF  17 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

HFDA801A Datasheet(HTML) 3 Page - STMicroelectronics

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1
Block diagram and pins description
Figure 1. Block diagram
I2S
interface
I2Sdata2
I2Sdata1
I2Sws
I2Sclk
PLL
I2C
PWM
Transresistance
Power Amplifier
PWM
Transresistance
Power Amplifier
PWM
Transresistance
Power Amplifier
PWM
Transresistance
Power Amplifier
Out1+
Out1-
Feedback1+
Feedback1-
Feedback2+
Feedback2-
Out2+
Out2-
Feedback3+
Feedback3-
Out3+
Out3-
Feedback4+
Feedback4-
Out4+
Out4-
Internal Power
Management
50
22
24
25
9/17
13/14
8/64
3/4
32/40
35/36
40/49
45/45
56
57
55
54
19
20
51
53
52
61
60
59
58
23
28
29
21
18
15/16
10
63
7
31
39
50
42
11/12
1/2
5/6
33/34
37/38
47/48
43/44
26
27
30
D2A CH1
D2A CH2
D2A CH3
D2A CH4
Digital Core
Audio processing
Diagnostic
HFDA801A
Block diagram and pins description
DB4402 - Rev 1
page 3/17



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