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Circuit Descriptions, Abbreviation List, and IC Data Sheets <strong>LC7.1E</strong> PA 9. EN 81<br />
9.10.5 Diagram B07, Type TDA8932T (IC7A01), Audio Amplifier<br />
Block Diagram<br />
OSCREF<br />
OSCIO<br />
VDDA<br />
10<br />
31<br />
8<br />
28<br />
BOOT1<br />
IN1P<br />
IN1N<br />
2<br />
3<br />
OSCILLATOR<br />
V SSD<br />
PWM<br />
MODULATOR<br />
CTRL<br />
DRIVER<br />
HIGH<br />
DRIVER<br />
LOW<br />
29<br />
27<br />
26<br />
V DDP1<br />
OUT1<br />
V SSP1<br />
INREF<br />
12<br />
MANAGER<br />
21<br />
BOOT2<br />
IN2P<br />
IN2N<br />
DIAG<br />
15<br />
14<br />
4<br />
PROTECTIONS:<br />
OVP, OCP, OTP,<br />
UVP, TF, WP<br />
PWM<br />
MODULATOR<br />
CTRL<br />
DRIVER<br />
HIGH<br />
DRIVER<br />
LOW<br />
V DDA<br />
STABILIZER 11 V<br />
V SSP1<br />
20<br />
22<br />
23<br />
25<br />
V DDP2<br />
OUT2<br />
V SSP2<br />
STAB1<br />
CGND<br />
7<br />
V DDA<br />
STABILIZER 11 V<br />
V SSP2<br />
24<br />
STAB2<br />
POWERUP<br />
6<br />
REGULATOR 5 V<br />
18<br />
DREF<br />
MODE<br />
V SSD<br />
ENGAGE<br />
5<br />
V DDA<br />
11<br />
HVPREF<br />
30<br />
HVP1<br />
TEST<br />
13<br />
TDA8932<br />
V SSA<br />
19<br />
HVP2<br />
HALF SUPPLY VOLTAGE<br />
Pin Configuration<br />
9<br />
V SSA<br />
1, 16, 17, 32<br />
V SSD(HW)<br />
V SSD(HW) 1<br />
32 V SSD(HW)<br />
IN1P 2<br />
31 OSCIO<br />
IN1N 3<br />
30 HVP1<br />
DIAG<br />
4<br />
29 VDDP1<br />
ENGAGE 5<br />
28 BOOT1<br />
POWERUP 6<br />
27 OUT1<br />
CGND<br />
7<br />
26 VSSP1<br />
V DDA 8<br />
25 STAB1<br />
TDA8932T<br />
V SSA 9<br />
24 STAB2<br />
OSCREF 10<br />
23 V SSP2<br />
HVPREF 11<br />
22 OUT2<br />
INREF 12<br />
21 BOOT2<br />
TEST<br />
13<br />
20 VDDP2<br />
IN2N 14<br />
19 HVP2<br />
IN2P 15<br />
18 DREF<br />
V SSD(HW) 16<br />
17 V SSD(HW)<br />
G_16860_045.eps<br />
300107<br />
Figure 9-15 Internal block diagram and pin configuration
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