TDA8933B NXP Semiconductors, TDA8933B Datasheet - Page 19

• Manufacturer Part Number: TDA8933B
• Description: The TDA8933B is a high-efficiency class D amplifier with low power dissipation
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 10.
V
[1]
[2]
13. Dynamic characteristics
Table 11.
V
TDA8933B_1
Preliminary data sheet
Symbol
V
V
Current protections
I
Temperature protection
T
T
Oscillator reference: pin OSCIO
V
V
V
V
N
Symbol
Internal oscillator
f
Timing PWM output: pins OUT1 and OUT2
t
t
t
O(ocp)
osc
r
f
w(min)
P
P
act(th_prot)
act(th_fold)
P(th)(ubp)l
P(th)(ubp)h
IH
IL
OH
OL
slave(max)
= 25 V, f
= 25 V; T
Measured with respect to pin CGND.
Measured with respect to pin V
osc
Characteristics
Switching characteristics
amb
Parameter
low unbalance
protection threshold
supply voltage
high unbalance
protection threshold
supply voltage
overcurrent protection
output current
thermal protection
activation temperature
thermal foldback
activation temperature
HIGH-level input
voltage
LOW-level input
voltage
HIGH-level output
voltage
LOW-level output
voltage
maximum number of
slaves
= 320 kHz and T
Parameter
oscillator frequency
rise time
fall time
minimum pulse width
= 25 C; unless otherwise specified.
…continued
amb
SSD(HW)
[2]
= 25 C; unless specified otherwise.
Conditions
V
V
V
V
current limiting
driven by one master
.
P
HVPREF
P
HVPREF
= 22 V;
= 22 V;
Conditions
R
range
I
I
I
O
O
O
osc
= 0 A
= 0 A
= 0 A
= 11 V
= 11 V
= 39 k
Rev. 01 — 23 October 2008
Min
-
29
2.0
155
140
4.0
0
4.0
0
12
Min
-
300
-
-
-
Typ
-
-
2.5
-
-
-
-
-
-
-
Typ
320
-
10
10
80
Class D audio amplifier
TDA8933B
Max
18
-
-
160
150
5.0
0.8
5.0
0.8
-
© NXP B.V. 2008. All rights reserved.
Max
-
500
-
-
-
Unit
kHz
kHz
ns
ns
ns
Unit
V
V
A
V
V
V
V
-
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C
C