TDF8590TH NXP Semiconductors, TDF8590TH Datasheet - Page 24

• Manufacturer Part Number: TDF8590TH
• Description: The TDF8590TH is a high-efficiency class-D audio power amplifier with low powerdissipation for application in car audio systems
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDF8590TH_2
Product data sheet
Fig 19. Supply voltage ripple rejection as a function of frequency; Operating mode
Fig 20. Mute attenuation as a function of frequency
SVRR
(dB)
(1) ripple on both supply lines, ripple in phase.
(2) ripple on both supply lines, ripple in antiphase.
(3) ripple on one supply line.
(1) SE application; V
(2) BTL application; V
a. SE application
100
80
60
40
20
0
10
V
V
P
I
= 1 V (RMS).
2
= 27 V; R
(1)
(2)
(3)
10
L
1
= 4 ; R
P
P
= 27 V; R
= 18 V; R
1
S
= 0 ; V
L
(dB)
L
mute
= 4 .
100
= 4 .
80
60
40
20
ripple
10
0
10
2
001aad855
f (kHz)
= 2 V (p-p).
10
10
Rev. 02 — 23 April 2007
2
(1)
(2)
1
2
80 W SE (4 ) or 1
1
SVRR
(dB)
(1) ripple on one supply line.
(2) ripple on both supply lines, ripple in antiphase.
(3) ripple on both supply lines, ripple in phase.
b. BTL application
80
70
60
50
40
10
10
V
P
2
= 27 V; R
f (kHz)
001aad859
10
10
2
L
1
160 W BTL (8 ) class-D amplifier
= 8 ; R
1
S
= 0 ; V
TDF8590TH
ripple
10
© NXP B.V. 2007. All rights reserved.
(3)
f (kHz)
001aad858
= 2 V (p-p).
(1)
(2)
10
2
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