tda8933t-n1 NXP Semiconductors, tda8933t-n1 Datasheet - Page 9

• Manufacturer Part Number: tda8933t-n1
• Description: Tda8933 Class-d Audio Amplifier
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA8933_1
Preliminary data sheet
8.4 Protections
Where:
Table 5
Table 5.
The following protections are implemented in the TDA8933:
The behavior of the device under the different fault conditions differs according to the
protection activated and is described in the following sections.
f
Configuration
Master
Slave
osc
Fig 4. Oscillation frequency as a function of R
•
•
•
•
•
•
f
R
osc
osc
Thermal Foldback (TF)
OverTemperature Protection (OTP)
OverCurrent Protection (OCP)
Window Protection (WP)
Supply voltage protections
– UnderVoltage Protection (UVP)
– OverVoltage Protection (OVP)
– UnBalance Protection (UBP)
ElectroStatic Discharge (ESD)
=
= oscillator frequency (Hz)
= oscillator resistor ( ) (on pin OSCREF)
12.45x10
------------------------ -
summarizes how to configure the TDA8933 in master or slave configuration.
R
Master/slave configuration
osc
9
Pin
OSCREF
R
R
(kHz)
f
osc
osc
osc
550
450
350
250
Rev. 01 — 15 May 2007
> 25 k to V
= 0 ; shorted to V
25
30
SSD(HW)
SSD(HW)
35
osc
40
Rosc (k )
OSCIO
output
input
001aad758
45
Class-D audio amplifier
TDA8933
© NXP B.V. 2007. All rights reserved.
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