The TDA8933B is a high-efficiency class D amplifier with low power dissipation

TDA8933B

Manufacturer Part NumberTDA8933B
DescriptionThe TDA8933B is a high-efficiency class D amplifier with low power dissipation
ManufacturerNXP Semiconductors
TDA8933B datasheet
 
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NXP Semiconductors
Table 10.
Characteristics
…continued
V
= 25 V, f
= 320 kHz and T
P
osc
amb
Symbol
Parameter
[1]
Engage input: pin ENGAGE
V
output voltage
O
V
input voltage
I
I
output current
O
V
LOW-level input
IL
voltage
V
HIGH-level input
IH
voltage
[1]
Diagnostic output: pin DIAG
V
output voltage
O
Bias voltage for inputs: pin INREF
V
bias output voltage
O(bias)
Half-supply voltage
Pins HVP1 and HVP2
V
output voltage
O
I
output current
O
Pin HVPREF
V
output voltage
O
Reference voltage for internal logic: pin DREF
V
output voltage
O
Amplifier outputs: pins OUT1 and OUT2
V
output offset voltage
O(offset)
Stabilizer output: pins STAB1, STAB2
V
output voltage
O
Voltage protections
V
undervoltage
P(uvp)
protection supply
voltage
V
overvoltage protection
P(ovp)
supply voltage
TDA8933B_1
Preliminary data sheet
= 25 C; unless specified otherwise.
Conditions
V
= 3 V
I
protection activated; see
Table 6
Operating mode
Reference to V
SSA
half-supply voltage to
charge SE capacitor
V
= V
= V
1 V
HVP1
HVP2
O
half-supply reference
voltage in Mute mode
reference to V
SSA
SE; with respect to HVPREF
Mute mode
Operating mode
BTL
Mute mode
Operating mode
Mute mode and
Operating mode; with
respect to pins V
and
SSP1
V
SSP2
Rev. 01 — 23 October 2008
TDA8933B
Class D audio amplifier
Min
Typ
Max
2.4
2.8
3.1
0
-
6.0
-
50
60
0
-
0.8
2.4
-
6.0
-
-
0.8
2
2.5
3.3
-
2.1
-
0.5V
0.2 V
0.5V
0.5V
P
P
-
50
-
0.5V
0.2 V
0.5V
0.5V
P
P
4.5
4.8
5.1
-
-
15
-
-
100
-
-
20
-
-
150
10
11
12
8.0
9.5
9.9
36.1
38.5
40
© NXP B.V. 2008. All rights reserved.
Unit
V
V
A
V
V
V
V
V
0.2 V V
P
mA
0.2 V V
P
V
mV
mV
mV
mV
V
V
V
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