TDA8944J Datasheet, PDF (2/21 Pages) NXP Semiconductors – 2 x 7 W stereo Bridge Tied Load BTL audio amplifier

Philips Semiconductors
TDA8944J
2 x 7 W stereo BTL audio amplifier
Table 1: Quick reference data…continued
Symbol Parameter
Conditions
P_o
output power
THD = 10%; R_L = 8 Ω;
V_CC = 12 V
THD total harmonic distortion P_o = 1 W
G_v
voltage gain
SVRR supply voltage ripple
rejection
Min Typ Max Unit
6
7
-
W
-
0.03 0.1 %
31 32 33 dB
50 65 -
dB
5. Ordering information
Table 2: Ordering information
Type number Package
Name
Description
TDA8944J
DBS17P plastic DIL-bent-SIL power package;
17 leads (lead length 12 mm)
Version
SOT243-1
6. Block diagram
idth
VCC1 VCC2
3
16
IN1− ⁸
IN1+ ⁶
1
OUT1−
4
OUT1+
TDA8944J
14
IN2− ⁹
IN2+ ¹²
17
MODE
SVR
10 STANDBY/
MUTE LOGIC
11
VCC
20
kΩ
20
kΩ
SHORT CIRCUIT
AND
TEMPERATURE
PROTECTION
2
15
GND1 GND2
MBK933
Fig 1. Block diagram.
OUT2−
OUT2+
9397 750 06861
Product specification
Rev. 02 — 14 February 2000
© Philips Electronics N.V. 2000. All rights reserved.
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