TDA8933 Datasheet, PDF (21/47 Pages) NXP Semiconductors – Class-D audio amplifier

NXP Semiconductors
TDA8933
Class-D audio amplifier
13. Dynamic characteristics
Table 11. Switching characteristics
V_P = 25 V; T_amb = 25 °C; unless otherwise specified.
Symbol
Parameter
Conditions
Internal oscillator
f_osc
oscillator frequency
R_osc = 39 kΩ
range
Timing PWM output: pins OUT1 and OUT2
t_r
t_f
t_w(min)
rise time
fall time
minimum pulse width
I_O = 0 A
I_O = 0 A
I_O = 0 A
Min
Typ
Max
Unit
-
320
-
kHz
300
-
500
kHz
-
10
-
ns
-
10
-
ns
-
80
-
ns
Table 12. SE characteristics
V_P = 25 V, R_L = 2 × 8 Ω, f_i = 1 kHz, f_osc = 320 kHz, R_S < 0.1 Ω ^[6] and T_amb = 25 °C; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
P_o(RMS)
RMS output power
continuous time output power ^[1]
per channel
R_L = 4 Ω; V_P = 17 V
THD+N = 0.5 %, f_i = 1 kHz
5.9
6.5
-
W
THD+N = 0.5 %, f_i = 100 Hz
-
6.5
-
W
THD+N = 10 %, f_i = 1 kHz
7.5
8.3
-
W
THD+N = 10 %, f_i = 100 Hz
-
8.3
-
W
R_L = 8 Ω; V_P = 25 V
THD+N = 0.5 %, f_i = 1 kHz
7.3
8.1
-
W
THD+N = 0.5 %, f_i = 100 Hz
-
8.1
-
W
THD+N = 10 %, f_i = 1 kHz
9.3
10.3
-
W
THD+N = 10 %, f_i = 100 Hz
-
10.3
-
W
short time output power per ^[2]
channel; THD+N = 10 %,
see Figure 23 for details
R_L = 8 Ω; V_P = 31 V
THD+N = 0.5 %
11.2
12.4
-
W
THD+N = 10 %
14.1
15.7
-
W
THD+N
G_v(cl)
|∆G_V|
α_cs
SVRR
|Z_i|
total harmonic
distortion-plus-noise
closed-loop voltage gain
voltage gain difference
channel separation
supply voltage ripple
rejection
input impedance
P_o = 1 W
f_i = 1 kHz
f_i = 6 kHz
V_i =100 mV; no load
P_o = 1 W; f_i = 1 kHz
Operating mode
f_i = 100 Hz
f_i = 1 kHz
differential
[3]
-
-
29
-
70
[4]
-
40
70
0.011 0.1
%
0.06
0.1
%
30
31
dB
0.5
1
dB
80
-
dB
60
-
dB
50
-
dB
100
-
kΩ
TDA8933_1
Preliminary data sheet
Rev. 01 — 15 May 2007
© NXP B.V. 2007. All rights reserved.
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