TDA8933B NXP Semiconductors, TDA8933B Datasheet - Page 18

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

TDA8933B

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

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