TDA7491LP13TR STMicroelectronics, TDA7491LP13TR Datasheet - Page 25

• Manufacturer Part Number: TDA7491LP13TR
• Description: IC AMP AUD CLASS D BTL PWRSSO36
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of TDA7491LP13TR

• Output Type: 2-Channel
• Max Output Power X Channels @ Load: 5W x 2 @ 8 Ohm
• Voltage - Supply: 5 V ~ 14 V
• Features: Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Surface Mount
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-11056-2

TDA7491LP
5.2
Mode selection
The three operating modes, defined below, of the TDA7491LP are set by the two inputs
STBY (pin 20) and MUTE (pin 21) as shown in
●
●
●
The protection functions of the TDA7491LP are implemented by pulling down the voltages of
the STBY and MUTE inputs shown in
must be limited to 200 µA.
Table 6.
1. Refer to V
Figure 27. Standby and mute circuits
Figure 28. Turn-on/off sequence for minimizing speaker “pop”
Standby
Mute
Play
Standby mode: all circuits are turned off, very low current consumption.
Mute mode: inputs are connected to ground and the positive and negative PWM
outputs are at 50% duty cycle.
Play mode: the amplifiers are active.
STBY
Mode
Mode settings
0 V
0 V
and V
MUTE
Standby
in
Mute
3.3 V
Table 5: Electrical specifications on page 10
3.3 V
Doc ID 13541 Rev 5
L
H
H
(1)
Voltage level on pin STBY
(1)
R2
30 kΩ
R4
30 kΩ
Figure
27. The input current of the corresponding pins
Table
C7
2.2 µF
C15
2.2 µF
6.
STBY
MUTE
X (don’t care)
L
H
TDA7491LP
for the drive levels for L and H
Voltage level on pin MUTE
Applications information
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