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HEF4047BT Datasheet(PDF) 5 Page - NXP Semiconductors

Part # HEF4047BT
Description  2 x 25 W class-D power amplifier
Download  36 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

HEF4047BT Datasheet(HTML) 5 Page - NXP Semiconductors

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2003 Mar 20
5
Philips Semiconductors
Objective specification
2
× 25 W class-D power amplifier
TDA8922
7
PINNING
SYMBOL
PIN
DESCRIPTION
TDA8922TH
TDA8922J
VSSA2
1
18
negative analog supply voltage for channel 2
SGND2
2
19
signal ground for channel 2
VDDA2
3
20
positive analog supply voltage for channel 2
IN2
−
4
21
negative audio input for channel 2
IN2+
5
22
positive audio input for channel 2
MODE
6
23
mode selection input: standby, mute or operating
OSC
7
1
oscillator frequency adjustment or tracking input
IN1+
8
2
positive audio input for channel 1
IN1
−
9
3
negative audio input for channel 1
VDDA1
10
4
positive analog supply voltage for channel 1
SGND1
11
5
signal ground for channel 1
VSSA1
12
6
negative analog supply voltage for channel 1
PROT
13
7
time constant capacitor for protection delay
VDDP1
14
8
positive power supply voltage for channel 1
BOOT1
15
9
bootstrap capacitor for channel 1
OUT1
16
10
PWM output from channel 1
VSSP1
17
11
negative power supply voltage for channel 1
STABI
18
12
decoupling of internal stabilizer for logic supply
HW
19
−
handle wafer; must be connected to pin VSSD
VSSP2
20
13
negative power supply voltage for channel 2
OUT2
21
14
PWM output from channel 2
BOOT2
22
15
bootstrap capacitor for channel 2
VDDP2
23
16
positive power supply voltage for channel 2
VSSD
24
17
negative digital supply voltage


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