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TDA8945S Datasheet

  • TDA8945S

  • 15 W mono Bridge Tied Load BTL audio amplifier

  • 351.88KB

  • 21頁

  • PHILIPS

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TDA8945S
15 W mono Bridge Tied Load (BTL) audio ampli鏗乪r
Rev. 02 鈥?7 April 2000
Product speci鏗乧ation
1. General description
The TDA8945S is a single-channel audio power ampli鏗乪r with an output power of
15 W at an 8
鈩?/div>
load and an 18 V supply. The circuit contains a Bridge Tied Load
(BTL) ampli鏗乪r with an all-NPN output stage and standby/mute logic. The TDA8945S
comes in a 9-lead single in-line (SIL) power package. The TDA8945S is
printed-circuit board (PCB) compatible with all other types in the TDA894x family.
One PCB footprint accommodates both the mono and the stereo products.
2. Features
s
s
s
s
s
s
s
s
s
Few external components
Fixed gain
Standby and mute mode
No on/off switching plops
Low standby current
High supply voltage ripple rejection
Outputs short-circuit protected to ground, supply and across the load
Thermally protected
Printed-circuit board compatible.
c
c
3. Applications
s
Mains fed applications (e.g. TV sound)
s
PC audio
s
Portable audio.
4. Quick reference data
Table 1:
V
CC
I
q
I
stb
Quick reference data
Conditions
V
CC
= 18 V; R
L
=
鈭?/div>
Min
6
-
-
Typ
18
18
-
Max
25
28
10
Unit
V
mA
碌A(chǔ)
supply voltage
quiescent supply current
standby supply current
Symbol Parameter

TDA8945S 產(chǎn)品屬性

  • 18 V

  • 通孔

  • 4.6mm

  • SIL 9P

  • 24 x 4.6 x 12.2mm

  • 揚聲器

  • 9

  • AB 類

  • -40 °C

  • +70 °C

  • 單

  • 差分

  • 差分

  • 1聲道單聲道

  • 24mm

  • 12.2mm

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