TFA9842AJ/N1,112 NXP Semiconductors, TFA9842AJ/N1,112 Datasheet - Page 9

• Manufacturer Part Number: TFA9842AJ/N1,112
• Description: IC AMP AUDIO PWR 7.5W STER 9SIL
• Manufacturer: NXP Semiconductors
• Type: Class ABr

Specifications of TFA9842AJ/N1,112

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 7.5W x 2 @ 4 Ohm
• Voltage - Supply: 9 V ~ 28 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Standby, Volume Control
• Mounting Type: Through Hole
• Package / Case: 9-SIL (Bent and Staggered Leads)
• Product: Class-AB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935278063112; TFA9842AJ/N1; TFA9842AJ/N1

Philips Semiconductors
TFA9842AJ_1
Preliminary specification
Fig 7. Output power as a function of supply voltage
Fig 9. Channel separation as a function of frequency
(W)
P
(dB)
100
o
cs
20
40
60
80
15
12
0
9
6
3
0
THD = 10 %; SE; R
V
(no bandpass filter applied)
10
8
CC
= 17 V; SE; R
10
10
2
L
12
L
= 4
= 4 ; f = 1 kHz
10
3
14
10
4
16
001aaa423
001aaa447
V
f (Hz)
CC
(V)
10
18
Rev. 01 — 28 April 2006
5
Fig 8. Total power dissipation as a function of channel
Fig 10. Supply voltage ripple rejection as a function of
7.5 W stereo power amplifier with volume control
SVRR
(dB)
(W)
P
20
40
60
80
10
D
0
8
6
4
2
0
V
output power per channel (worst case, both
channels driven)
V
bandpass filter of 20 Hz to 22 kHz has been applied;
inputs short-circuited.
frequency
10
0
CC
CC
= 17 V; SE; R
= 17 V; SE; Z
4
10
2
S
L
8
= 0 ; V
= 4
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
10
3
12
ripple
TFA9842AJ
= 300 mV (RMS); a
10
4
16
001aaa424
001aaa422
f (Hz)
P o (W)
10
20
5
9 of 18