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TFA9843J/N1,112

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21
Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
Preliminary data Rev. 02 — 19 January 2004 10 of 21
9397 750 12587
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
V
CC
= 18 V; SE; f = 1 kHz; R
L
=4Ω.V
CC
= 18 V; BTL; f = 1 kHz; R
L
=8Ω.
Fig 7. Total harmonic distortion as function of output
power.
Fig 8. Total harmonic distortion as function of output
power.
10
2
10
1
10
−1
10
−2
MCE488
10
−1
10
2
110
P
o
(W)
THD+N
(%)
10
2
10
1
10
−1
10
−2
MCE487
10
−1
1
THD+N
(%)
10
P
o
(W)
10
2
V
CC
= 18 V; SE; P
o
= 1 W; R
L
=4Ω.V
CC
= 18 V; BTL; P
o
= 1 W; R
L
=8Ω.
Fig 9. Total harmonic distortion as function of
frequency.
Fig 10. Total harmonic distortion as function of
frequency.
10
1
10
−1
10
−2
MCE489
10
THD+N
(%)
f (Hz)
10
2
10
3
10
4
10
5
10
1
10
−1
10
−2
MCE490
10
THD+N
(%)
f (Hz)
10
2
10
3
10
4
10
5
Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
Preliminary data Rev. 02 — 19 January 2004 11 of 21
9397 750 12587
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
THD = 10 %; SE; R
L
=4Ω; f = 1 kHz. THD = 10 %; BTL; R
L
=8Ω; f = 1 kHz.
Fig 11. Output power as function of supply voltage. Fig 12. Output power as function of supply voltage.
828
50
0
10
20
30
40
12
P
o
(W)
16 20 24
V
CC
(V)
MCE491
828
50
0
10
20
30
40
12
P
o
(W)
16 20 24
V
CC
(V)
MCE492
V
CC
= 18 V; SE; R
L
=4Ω.V
CC
= 18 V; BTL; R
L
=8Ω.
Fig 13. Total (worst case, both channels driven) power
dissipation as function of channel output power
per channel.
Fig 14. Total (worst case, both channels driven) power
dissipation as function of channel output power
per channel.
020
P
o
(W)
10
0
2
4
6
8
4
P
D
(W)
81216
MCE507
020
P
o
(W)
10
0
2
4
6
8
4
P
D
(W)
81216
MCE508
Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
Preliminary data Rev. 02 — 19 January 2004 12 of 21
9397 750 12587
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
V
CC
= 18 V; SE; R
L
=4Ω.V
CC
= 18 V; BTL; R
L
=8Ω.
Fig 15. Channel separation as function of frequency
(no bandpass filter applied).
Fig 16. Channel separation as function of frequency
(no bandpass filter applied).
−100
0
−80
−60
−40
−20
MCE495
10
α
cs
(dB)
f (Hz)
10
2
10
3
10
4
10
5
−100
0
−80
−60
−40
−20
MCE496
10
α
cs
(dB)
f (Hz)
10
2
10
3
10
4
10
5
V
CC
=18V;SE;R
source
=0Ω;V
ripple
= 300 mV (RMS); a
bandpass filter of 20 Hz to 22 kHz has been applied;
inputs short-circuited.
V
CC
= 18 V; BTL; R
source
=0Ω;V
ripple
= 300 mV (RMS);
a bandpass filter of 20 Hz to 22 kHz has been applied;
inputs short-circuited.
Fig 17. Supply voltage ripple rejection as function of
frequency.
Fig 18. Supply voltage ripple rejection as function of
frequency.
−80
−60
−40
−20
0
MCE497
10
SVRR
(dB)
f (Hz)
10
2
10
3
10
4
10
5
−80
−60
−40
−20
0
MCE498
10
SVRR
(dB)
f (Hz)
10
2
10
3
10
4
10
5
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TFA9843J/N1,112

Mfr. #:
Buy TFA9843J/N1,112
Manufacturer:
NXP Semiconductors
Description:
IC AMP AUDIO PWR 29W STER 9SIL
Lifecycle:
New from this manufacturer.
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