TDA7493 STMicroelectronics, TDA7493 Datasheet - Page 9

• Manufacturer Part Number: TDA7493
• Description: Audio Amplifiers 3W + 3W Dual BTL Class-D 4-Select dB
• Manufacturer: STMicroelectronics

Specifications of TDA7493

• Amplifier Class: D
• No. Of Channels: 2
• Output Power: 3W
• Supply Voltage Range: 3V To 5.5V
• Thd + N: 0.05% @ 0.5W, 4ohm, VCC=5V
• Load Impedance: 4ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7493
4
4.1
4.2
4.3
Electrical specifications
Absolute maximum ratings
Table 3.
Thermal data
Table 4.
1. FR4 with via holes, copper area 9 cm² as explained in
Electrical characteristics
Refer to
C4 = 100 nF, f = 1 kHz, G
Table 5.
V
Vi
Top
Tstg, Tj
Rth j-case
Rth j-amb
V
Iq
Vos
Po
Po
Pd
η
Symbol
Symbol
CC
CC
Symbol
Figure 3: Typical application
DC supply on pins PVCCPL, PVCCPR, PVCCNL,
PVCCNR, SVCC
Input on pins STANDBY, INNL, INPL, INNR, INPR,
GAIN0, GAIN1
Operating temperature
Storage and junction temperature
Supply range
Total quiescent current
Output offset voltage
Output power (filterless)
Output power (with filter)
Dissipated power
Efficiency
Thermal resistance junction to case
Thermal resistance junction to ambient
(on recommended PCB)
Absolute maximum rating
Thermal data
Electrical characteristics
Parameter
V
= 18 dB, Tamb = 25 °C, unless otherwise specified.
Doc ID 14570 Rev 5
Parameter
Parameter
(1)
-
No filter, no load
Vi = 0, Gv = 6 dB, no load
THD = 10%
THD = 1%
THD = 10%
THD = 1%
Po = 2.8 W + 2.8 W,
THD = 10%
Po = 2.8 W + 2.8 W, R
circuit, V
Condition
CC
Chapter 8 on page
= 5 V, R
L
= 4
L
(load) = 4 Ω, R1 = 39 kΩ,
Ω
28.
-0.3
-0.3
0
-40
3.0
-
-20
-
-
-
-
-
-
Negative
-
-
Min
Min
value
Electrical specifications
-
7
-
3.0
2.4
2.8
2.2
1.1
83
2
37
Typ
Typ
6
6
70
150
Positive
value
5.5
-
20
-
-
-
-
-
-
3
-
Max
Max
V
mA
mV
W
W
W
W
W
%
V
V
°C
°C
°C/W
°C/W
Unit
Unit
Unit
9/30