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HFDA801A Datasheet(PDF) 5 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) 5 Page - STMicroelectronics

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#
Pin
Function
12
OUT1-
Channel 1, half bridge minus, Output
13
GND1-
Channel 1, half bridge minus, Power Ground
14
GND1+
Channel 1, half bridge plus, Power Ground
15
OUT1+
Channel 1, half bridge plus, Output
16
OUT1+
Channel 1, half bridge plus, Output
17
VCC1+
Channel 1, half bridge plus, Power Supply
18
FB1+
Channel 1, half bridge plus, Feedback
19
Enable
Enable pin
20
ADDSel
Address selection pin, input
21
DGnd
Digital ground
22
SRGnd
Power management ground 1
23
DVdd
Digital Power Supply
24
L1
Power management inductor side1
25
L2
Power management inductor side2
26
LSGnd
Power management ground 2
27
V5V
Internal 5V supply
28
D1V8SVR
Positive digital supply V(SVR)+0.9 V (Internally generated)
29
DGSVR
Negative digital supply V(SVR)-0.9 V (Internally generated)
30
Vboost
Internal boost supply
31
FB3+
Channel 3, half bridge plus, Feedback
32
VCC3+
Channel 1, half bridge plus, Power Supply
33
OUT3+
Channel 3, half bridge plus, Output
34
OUT3+
Channel 3, half bridge plus, Output
35
GND3+
Channel 3, half bridge plus, Power Ground
36
GND3-
Channel 3, half bridge minus, Power Ground
37
OUT3-
Channel 3, half bridge minus, Output
38
OUT3-
Channel 3, half bridge minus, Output
39
FB3-
Channel 3, half bridge minus, Feedback
40
VCC3-
Channel 3, half bridge minus, Power Supply
41
VCC4-
Channel 4, half bridge minus, Power Supply
42
FB4-
Channel 4, half bridge minus, Feedback
43
OUT4-
Channel 4, half bridge minus, Output
44
OUT4-
Channel 4, half bridge minus, Output
45
GND4-
Channel 4, half bridge minus, Power Ground
46
GND4+
Channel 4, half bridge plus, Power Ground
47
OUT4+
Channel 4, half bridge plus, Output
48
OUT4+
Channel 4, half bridge plus, Output
49
VCC4+
Channel 4, half bridge plus, Power Supply
50
FB4+
Channel 4, half bridge plus, Feedback
51
CD/Diag
Clipping detector and diagnostic output pin
52
I2CClk
I2C Clock
HFDA801A
Block diagram and pins description
DB4402 - Rev 1
page 5/17



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