tda8946aj NXP Semiconductors, tda8946aj Datasheet
tda8946aj
Manufacturer Part Number
tda8946aj
Description
Tda8946aj 2 X 15 W Btl Audio Amplifier With Dc Gain Control
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8946AJ.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TDA8946AJ
Manufacturer:
OMRON
Quantity:
670
1. General description
2. Features
3. Applications
4. Quick reference data
M3D541
The TDA8946AJ is a dual-channel audio power amplifier with DC gain control. It has
an output power of 2
two Bridge-Tied Load (BTL) amplifiers with an all-NPN output stage and
standby/mute logic. The overall gain can be adjusted from +30 dB down to 50 dB
using a DC control voltage. This feature can be used for volume control or for a preset
gain. The TDA8946AJ comes in a 17-pin DIL-bent-SIL (DBS) power package and is
pin compatible with the TDA8946J.
Table 1:
Symbol Parameter
V
I
I
P
THD
q
stb
CC
o
TDA8946AJ
2 x 15 W BTL audio amplifier with DC gain control
Rev. 01 — 01 March 2002
Gain/volume adjustment via a DC control pin
Soft clipping
Operating at a low supply voltage
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 with TDA8944AJ and TDA8580J.
Mains fed applications (e.g. TV sound)
PC audio
Portable audio.
supply voltage
quiescent supply current
standby supply current
output power
total harmonic distortion
Quick reference data
15 W at an 8
Conditions
V
THD = 10%; R
V
P
CC
CC
o
load and an 18 V supply. The circuit contains
= 1 W
= 18 V; R
= 18 V
L
L
=
= 8 ;
Min
4.5
-
-
13
-
Typ
18
45
-
15
0.07
Product data
Max
18
55
10
-
0.5
Unit
V
mA
W
%
A
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