TDA2005R STMicroelectronics, TDA2005R Datasheet - Page 20

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TDA2005R

Manufacturer Part Number
TDA2005R
Description
IC AMP AUD 20W CLASS B DUAL
Manufacturer
STMicroelectronics
Type
Class Br
Datasheet

Specifications of TDA2005R

Output Type
1-Channel (Mono) or 2-Channel (Stereo)
Max Output Power X Channels @ Load
22W x 1 @ 3.2 Ohm; 12W x 2 @ 2 Ohm
Voltage - Supply
8 V ~ 18 V
Features
Short-Circuit and Thermal Protection
Mounting Type
Through Hole
Package / Case
Multiwatt-11 (Vertical, Bent and Staggered Leads)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Application information
4.1
4.1.1
20/25
Figure 33. Bridge amplifier circuit suited for low-gain applications (G
Figure 34. Example of muting circuit
Built-in protection systems
Load dump voltage surge
The TDA2005 has a circuit which enables it to withstand voltage pulse train, on Pin 9, of the
type shown in
must be inserted between the supply and pin 9, in order to assure that the pulses at pin 9
will be held within the limits shown.
A suggested LC network is shown in
amplitude up to 120 V and width of 2 ms can be applied at point A. This type of protection is
ON when the supply voltage (pulse or DC) exceeds 18 V. For this reason the maximum
operating supply voltage is 18 V.
Figure
36. If the supply voltage peaks to more than 40 V, then an LC filter
Doc ID 1451 Rev 4
Figure
35. With this network, a train of pulses with
V
= 34 dB)
TDA2005