TDA749313TR Datasheet, PDF (9/30 Pages) STMicroelectronics – 3-watt 3-watt dual BTL class-D audio amplifier

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