Stereo Se Configuration Characteristics - Philips TDA8950 Product Data Sheet

2 × 150 w class-d power amplifier
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NXP Semiconductors
12.2 Stereo SE configuration characteristics
Table 10.
Dynamic characteristics
[1]
V
= 35 V; R
= 4 ; f
P
L
Symbol
Parameter
P
output power
o
THD
total harmonic distortion
G
closed-loop voltage gain
v(cl)
SVRR
supply voltage ripple rejection
Z
input impedance
i
V
output noise voltage
n(o)
channel separation
cs
G
voltage gain difference
v
mute attenuation
mute
CMRR
common mode rejection ratio
output power efficiency
po
R
high-side drain-source on-state
DSon(hs)
resistance
R
low-side drain-source on-state
DSon(ls)
resistance
[1]
V
is the supply voltage on pins VDDP1, VDDP2 and VDDA.
P
[2]
R
is the series resistance of the low-pass LC filter inductor used in the application.
sL
[3]
Output power is measured indirectly; based on R
[4]
THD measured between 22 Hz and 20 kHz, using AES17 20 kHz brick wall filter; max. limit is guaranteed but may not be 100 % tested.
[5]
V
= V
= 2 V (p-p); measured independently between VDDPn and SGND and between VSSPn and SGND.
ripple
ripple(max)
[6]
22 Hz to 20 kHz, using AES17 20 kHz brick wall filter.
[7]
22 Hz to 20 kHz, using AES17 20 kHz brick wall filter.
TDA8950_2
Product data sheet
= 1 kHz; f
= 345 kHz; R
i
osc
DSon
[2]
< 0.1 ; T
= 25 C; unless otherwise specified.
sL
amb
Conditions
T
= 85 C; L
= 22 H; C
j
LC
Figure
10)
THD + N = 10 %; R
= 4 ; V
L
THD + N = 0.5 %; R
L
THD + N = 10 %; R
= 4 ; V
L
THD + N = 10 %; R
= 6 ; V
L
P
= 1 W; f
= 1 kHz
o
i
P
= 1 W; f
= 6 kHz
o
i
between pins VDDPn and SGND
Operating mode; f
= 100 Hz
i
Operating mode; f
= 1 kHz
i
Mute mode; f
= 100 Hz
i
Standby mode; f
= 100 Hz
i
between pins VSSPn and SGND
Operating mode; f
= 100 Hz
i
Operating mode; f
= 1 kHz
i
Mute mode; f
= 100 Hz
i
Standby mode; f
= 100 Hz
i
between one of the input pins and SGND
Operating mode; R
= 0
s
Mute mode
f
= 1 kHz; V
= 2 V (RMS)
i
i
V
= 1 V (RMS)
i(CM)
SE, R
= 4
L
SE, R
= 6
L
BTL, R
= 8
L
measurement; see
Section
Rev. 02 — 11 June 2009
2
150 W class-D power amplifier
[3]
= 680 nF (see
LC
= 39 V
P
= 4 ; V
= 37 V
P
= 37 V
P
= 37 V
P
[4]
[4]
[5]
[5]
[5]
[5]
[5]
[5]
[5]
[5]
[6]
[7]
[8]
[9]
[10]
[10]
13.3.
TDA8950
Min Typ Max Unit
170
W
-
100
-
W
-
150
-
W
-
100
-
W
-
0.05 -
%
-
0.05 -
%
29
30
31
dB
-
90
-
dB
-
70
-
dB
-
75
-
dB
-
120
-
dB
-
80
-
dB
-
60
-
dB
-
80
-
dB
-
115
-
dB
45
63
-
k
-
160
-
V
-
85
-
V
-
70
-
dB
-
-
1
dB
-
75
-
dB
-
75
-
dB
-
88
-
%
-
90
-
%
-
88
-
%
-
200
-
m
-
190
-
m
© NXP B.V. 2009. All rights reserved.
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