Datasheet

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