TDA8944JN1 NXP Semiconductors, TDA8944JN1 Datasheet - Page 12

• Manufacturer Part Number: TDA8944JN1
• Manufacturer: NXP Semiconductors

Specifications of TDA8944JN1

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 7x2@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.03@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): 6V
• 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: Compliant

13. Internal circuitry
Philips Semiconductors
9397 750 06861
Product specification
Table 9:
Pin
6 and 8
12 and 9
1 and 4
14 and 17
10
11
Internal circuitry
Symbol
IN1+ and IN1
IN2+ and IN2
OUT1 and OUT1+
OUT2 and OUT2+
MODE
SVR
Rev. 02 — 14 February 2000
Equivalent circuit
8, 9
10
V CC
V CC
40
1/2 V CC
2 x 7 W stereo BTL audio amplifier
HIGH
1 : 1
OFF
11
V CC
1.5 k
45 k
100
MGL948
10 k
10 k
1/2 V CC
(SVR)
V CC
Standby
© Philips Electronics N.V. 2000. All rights reserved.
20 k
20 k
MUTE
HIGH
1.5 k
45 k
MGL947
TDA8944J
V CC
1, 4, 14, 17
1 k
1 : 1
V CC
MGL949
V CC
1 k
MGL946
6, 12
12 of 21