TDA8927 Datasheet, PDF (6/36 Pages) NXP Semiconductors – Power stage 2 x 80 W class-D audio amplifier

Philips Semiconductors
Power stage 2 × 80 W class-D
audio amplifier
Objective specification
TDA8927
7 PINNING INFORMATION
SYMBOL
SW1
n.c.
REL1
DIAG
EN1
V_DD1
BOOT1
STAB
OUT1
STAB
V_SS1
STAB
V_SS2
OUT2
BOOT2
n.c.
V_DD2
EN2
POWERUP
REL2
SW2
LIM
n.c.
V_SS(sub)
n.c.
TDA8927J
1
−
2
3
4
5
6
−
7
−
8
9
10
11
12
−
13
14
15
16
17
−
−
−
−
PIN
TDA8927ST
1
−
2
3
4
5
6
−
7
−
8
9
10
11
12
−
13
14
15
16
17
−
−
−
−
TDA8927TH
DESCRIPTION
21
digital switch input channel 1
1
not connected
22
digital control output channel 1
23
digital open-drain output for overtemperature and
overcurrent report
24
digital enable input for channel 1
2
positive power supply channel 1
3
bootstrap capacitor channel 1
6
decoupling internal stabilizer for logic supply
4
PWM output channel 1
7
decoupling internal stabilizer for logic supply
5
negative power supply channel 1
−
decoupling internal stabilizer for logic supply
8
negative power supply channel 2
9
PWM output channel 2
10
bootstrap capacitor channel 2
12
not connected
11
positive power supply channel 2
13
digital enable input for channel 2
14
enable input for switching-on internal reference
sources
15
digital control output channel 2
16
digital switch input channel 2
17
current input for setting maximum load current limit
18
not connected
19
negative supply (substrate)
20
not connected
2001 Dec 11
6