TDA7293HS STMicroelectronics, TDA7293HS Datasheet - Page 10

• Manufacturer Part Number: TDA7293HS
• Description: IC AMP AUDIO 100W AB MULTIWATT15
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7293HS

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 100W x 1 @ 4 Ohm
• Voltage - Supply: ±12 V ~ 50 V
• Features: Depop, Differential Inputs, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: Multiwatt-15 (Horizontal, Bent and Staggered Leads)
• Amplifier Class: AB
• No. Of Channels: 1
• Output Power: 100W
• Supply Voltage Range: ± 12V To ± 15V
• Thd + N: 0.005% @ 5W, 8ohm, VS=± 40V
• Load Impedance: 8ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8865-5; TDA7293HS

Applications information
4
4.1
10/21
Applications information
Applications suggestions
The recommended values of the external components are those shown on the application
circuit of
could be useful when choosing alternative values.
Table 5.
1. R1 = R3 for pop optimization
2. Closed loop gain has to be ³ 26dB
3. Multiply this value by the number, N, of modular parts connected
Figure 7.
Component
R1
R2
R3
R4
R5
C1
C2
C3
C4
C5
C6, C8
C7, C9
(1)
(1)
-V
-V
Figure 1 on page
S
S
-V
+3V
+1V
S
Choosing alternative component values
Slave function: pin 4 (Ref to pin 8)
22 kΩ
680 Ω
22 kΩ
22 kΩ
10 kΩ
0.47 µF
22 µF
10 µF
10 µF
22 µF
1000 µF
0.1 µF
Suggested
value
UNDEFINED
(3)
MASTER
SLAVE
x N
D98AU821
Input resistance
Closed loop gain,
set to 30 dB
Standby time constant
Mute time constant
Input DC decoupling
Feedback DC
decoupling
Mute time constant
Standby time constant
Bootstrapping
Supply voltage bypass -
Supply voltage bypass -
1. Different values can, however, be used and the following table
Doc ID 6744 Rev 8
Purpose
Note:
(2)
If in the application the speakers are
connected via long wires, it is a good rule
to add, between the output and GND, a
boucherot cell in order to avoid dangerous
spurious oscillations if the speakers
terminal are shorted.
The suggested boucherot resistor is
3.9
Increase input
impedance
Decrease of gain
Increase of gain
Larger Standby
on/off time
Larger mute
on/off time
-
-
Larger mute
on/off time
Larger standby
on/off time
-
Ω
/2W and the capacitor is 1
Larger than
suggested
Decrease input
impedance
Increase of gain
Decrease of gain
Smaller standby
ON/OFF time; pop
noise
Smaller mute
on/off time
Higher low-frequency
cutoff
Higher low-frequency
cutoff
Smaller mute on/off
time
Smaller standby on/off
time; pop noise
Signal degradation at
low frequency
-
Danger of oscillation
Smaller than
suggested
µ
F.
TDA7293