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TDA8945S Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. TDA8945S
Description  15 W mono Bridge Tied Load BTL audio amplifier
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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TDA8945S Datasheet(HTML) 3 Page - NXP Semiconductors

 
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Philips Semiconductors
TDA8945S
15 W mono BTL audio amplifier
Product specification
Rev. 02 — 7 April 2000
3 of 21
9397 750 06866
© Philips Electronics N.V. 2000. All rights reserved.
7.
Pinning information
7.1 Pinning
7.2 Pin description
8.
Functional description
The TDA8945S is a mono BTL audio power amplifier capable of delivering 15 W
output power to an 8
Ω load at THD = 10%, using an 18 V power supply and an
external heatsink. The voltage gain is fixed at 32 dB.
With the three-level MODE input the device can be switched from ‘standby’ to ‘mute’
and to ‘operating’ mode.
The TDA8945S outputs are protected by an internal thermal shutdown protection
mechanism and a short-circuit protection.
Fig 2.
Pin configuration.
handbook, halfpage
TDA8945S
MBK937
1
2
3
4
5
6
7
8
9
OUT
VCC
OUT
+
IN
+
IN
SVR
MODE
GND
n.c.
Table 3:
Pin description
Symbol
Pin
Description
OUT
1
negative loudspeaker terminal
VCC
2
supply voltage
OUT+
3
positive loudspeaker terminal
IN+
4
positive input
IN
5
negative input
SVR
6
half supply voltage decoupling (ripple rejection)
MODE
7
mode selection input (standby, mute, operating)
GND
8
ground
n.c.
9
not connected


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