TDA8944AJ/N2,112 NXP Semiconductors, TDA8944AJ/N2,112 Datasheet - Page 12

• 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
13. Internal circuitry
9397 750 09433
Product data
Table 9:
Pin
6 and 8
12 and 9
1 and 4
14 and 17
10
Internal circuitry
Symbol
IN1+ and IN1
IN2+ and IN2
OUT1 and OUT1+
OUT2 and OUT2+
MODE
Rev. 01 — 01 March 2002
2 x 7 W BTL audio amplifier with DC gain control
handbook, halfpage
handbook, halfpage
handbook, halfpage
Equivalent circuit
10
8, 9
V CC
V CC
100
1/2 V CC
V CC
HIGH
OFF
600
32 k
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
3 k
1/2 V CC
(SVR)
V CC
V CC
MUTE
HIGH
TDA8944AJ
32 k
3 k
1 k
1, 4, 14, 17
MGW602
V CC
V CC
1 k
MGW603
MGW601
6, 12
12 of 20