TDA8944AJ/N2,112 NXP Semiconductors, TDA8944AJ/N2,112 Datasheet - Page 11

• Manufacturer Part Number: TDA8944AJ/N2,112
• Description: IC AMP AUDIO PWR 7W STER 17SIL
• Manufacturer: NXP Semiconductors
• Type: Class ABr

Specifications of TDA8944AJ/N2,112

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 7W x 2 @ 8 Ohm
• Voltage - Supply: 4.5 V ~ 18 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Standby, Volume Control
• Mounting Type: Through Hole
• Package / Case: 17-SIL (Bent and Staggered Leads)
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 7x2@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.07@8Ohm@1W%
• Single Supply Voltage (typ): 12V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Power Dissipation: 18W
• Rail/rail I/o Type: No
• Single Supply Voltage (min): 4.5V
• Single Supply Voltage (max): 18V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 17
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-3461-5; 935270284112; TDA8944AJU

Philips Semiconductors
9397 750 09433
Product data
Fig 12. Power dissipation as function of output power.
Fig 14. Supply voltage ripple rejection as function of frequency.
handbook, halfpage
V
V
CC
CC
(W)
P
Curve A: inputs short-circuited
Curve B: inputs short-circuited and connected to ground.
10
= 12 V; R
8
6
4
2
0
= 12 V; R
0
L
source
2
= 8
= 0 ; V
4
ripple
handbook, halfpage
6
= 707 mV (RMS); a bandpass filter of 10 Hz to 80 kHz has been applied.
SVRR
(Hz)
100
20
40
60
80
0
10
8
P o (W)
B
A
MGW598
10
Rev. 01 — 01 March 2002
10
2
10
3
Fig 13. Channel separation as function of frequency.
handbook, halfpage
2 x 7 W BTL audio amplifier with DC gain control
(dB)
V
cs
CC
100
20
40
60
80
10
0
= 12 V; no bandpass filter applied
4
10
f (Hz)
MGW600
10
10
5
2
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
10
3
TDA8944AJ
10
4
f (Hz)
MGW599
10
5
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