Philips Semiconductors
TDA8944AJ
2 x 7 W BTL audio amplifier with DC gain control
Table 1: Quick reference data…continued
Symbol Parameter
Conditions
Gv(max) maximum voltage gain
Gv(cr) voltage gain control range
SVRR supply voltage ripple
rejection
Min Typ Max Unit
29 30 31 dB
-
80 -
dB
-
55 -
dB
5. Ordering information
Table 2: Ordering information
Type number Package
Name
Description
Version
TDA8944AJ DBS17P plastic DIL-bent-SIL power package; 17 leads (lead SOT243-1
length 12 mm)
6. Block diagram
idth
VCC1 VCC2
3
16
IN1− 8
IN1+ 6
1
OUT1−
4
OUT1+
13
GC
TDA8944AJ
IN2−
IN2+
MODE
SVR
14
9
12
17
10 STANDBY/
MUTE LOGIC
11
VCC
20
kΩ
20
kΩ
SHORT CIRCUIT
AND
TEMPERATURE
PROTECTION
7
SGND
2
15
GND1 GND2
MGW587
OUT2−
OUT2+
Fig 1. Block diagram.
9397 750 09433
Product data
Rev. 01 — 01 March 2002
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
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