TDA8950 NXP Semiconductors, TDA8950 Datasheet - Page 15

• Manufacturer Part Number: TDA8950
• Description: The TDA8950 is a high-efficiency Class D audio power amplifier
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 10.
V
[1]
[2]
[3]
[4]
[5]
[6]
[7]
TDA8950_2
Product data sheet
Symbol
P
THD
G
SVRR
Z
V
CMRR
R
R
P
i
cs
mute
po
o
n(o)
DSon(hs)
DSon(ls)
v(cl)
G
[1]
v
V
R
Output power is measured indirectly; based on R
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.
V
22 Hz to 20 kHz, using AES17 20 kHz brick wall filter.
22 Hz to 20 kHz, using AES17 20 kHz brick wall filter.
= 35 V; R
P
ripple
sL
is the supply voltage on pins VDDP1, VDDP2 and VDDA.
is the series resistance of the low-pass LC filter inductor used in the application.
= V
Parameter
output power
total harmonic distortion
closed-loop voltage gain
supply voltage ripple rejection
input impedance
output noise voltage
channel separation
voltage gain difference
mute attenuation
common mode rejection ratio
output power efficiency
high-side drain-source on-state
resistance
low-side drain-source on-state
resistance
Dynamic characteristics
ripple(max)
L
12.2 Stereo SE configuration characteristics
= 4 ; f
= 2 V (p-p); measured independently between VDDPn and SGND and between VSSPn and SGND.
i
= 1 kHz; f
osc
= 345 kHz; R
DSon
Conditions
T
Figure
P
P
between pins VDDPn and SGND
between pins VSSPn and SGND
between one of the input pins and SGND
Operating mode; R
Mute mode
f
V
SE, R
SE, R
BTL, R
i
j
Rev. 02 — 11 June 2009
o
o
i(CM)
= 1 kHz; V
THD + N = 10 %; R
THD + N = 0.5 %; R
THD + N = 10 %; R
THD + N = 10 %; R
Operating mode; f
Operating mode; f
Mute mode; f
Standby mode; f
Operating mode; f
Operating mode; f
Mute mode; f
Standby mode; f
sL
= 85 C; L
measurement; see
= 1 W; f
= 1 W; f
[2]
L
L
= 1 V (RMS)
< 0.1 ; T
10)
L
= 4
= 6
= 8
i
i
= 1 kHz
= 6 kHz
i
LC
= 2 V (RMS)
= 22 H; C
i
i
= 100 Hz
= 100 Hz
amb
i
i
s
= 100 Hz
= 100 Hz
Section
i
i
i
i
= 0
= 25 C; unless otherwise specified.
= 100 Hz
= 1 kHz
= 100 Hz
= 1 kHz
L
L
L
L
= 4 ; V
= 4 ; V
= 6 ; V
= 4 ; V
LC
13.3.
= 680 nF (see
P
P
P
P
= 39 V
= 37 V
= 37 V
= 37 V
2
150 W class-D power amplifier
[10]
[10]
[3]
[4]
[4]
[5]
[5]
[5]
[5]
[5]
[5]
[5]
[5]
[6]
[7]
[8]
[9]
Min Typ Max Unit
-
-
-
-
-
29
-
-
-
-
-
-
-
-
45
-
-
-
-
-
-
-
-
-
-
-
TDA8950
© NXP B.V. 2009. All rights reserved.
170
100
150
100
0.05 -
0.05 -
30
90
70
75
120
80
60
80
115
63
160
85
70
-
75
75
88
90
88
200
190
-
-
-
31
-
-
-
-
-
-
-
-
-
-
-
-
1
-
-
-
-
-
-
-
15 of 39
W
W
W
W
%
%
dB
dB
dB
dB
dB
dB
dB
dB
dB
k
dB
dB
dB
dB
%
%
%
m
m
V
V