TDA8945S Datasheet, PDF (12/21 Pages) NXP Semiconductors – 15 W mono Bridge Tied Load BTL audio amplifier

Philips Semiconductors
TDA8945S
15 W mono BTL audio amplifier
13. Internal circuitry
Table 9:
Pin
4 and 5
Internal circuitry
Symbol
IN+ and IN−
Equivalent circuit
VCC
VCC
1.5 kΩ 1.5 kΩ
5
45 kΩ
45 kΩ
1 and 3
OUT− and OUT+
1/2 VCC
(SVR)
VCC
4
MGU078
7
MODE
100 Ω
40 Ω
1/2 VCC
VCC
1, 3
MGU080
VCC
6
SVR
VCC
20 kΩ
1 kΩ
1 kΩ
7
OFF
HIGH
MUTE
HIGH
MGU079
VCC
Standby
20 kΩ
6
20 kΩ
MGU081
9397 750 06866
Product specification
Rev. 02 — 7 April 2000
© Philips Electronics N.V. 2000. All rights reserved.
12 of 21