TDA7570 Datasheet, PDF (9/17 Pages) STMicroelectronics – 250W PWM high efficiency power audio amplifier

TDA7570
Electrical specifications
Table 5.
Symbol
Electrical characteristics (continued)
(V_S = ±25V, R_L = 4Ω, f = 100Hz, T_j = 25°C, Gain = 28dB, application circuit shown in
Figure 3, 2x65/1x130W system, unless otherwise specified.)
Parameter
Test condition
Min. Typ. Max. Unit
PROTECTIONS
T_hwc
T_sdc
T_sdch
T_hws
Chip thermal warning intervention
Thermal shut-down chip
Thermal shut-down chip hysteresis
External thermal warning
intervention
T_sds
External thermal shut-down
intervention
T_sdsh
External thermal shut-down
hysteresis
V_pp
Protection intervention voltage
Pchannel (Vspx1-Vspx2)
V_pn
Protection intervention voltage
Nchannel (Vsnx2-Vsnx1)
I_spx1
I_snx1
Current input pins 7, 13
Current output pins 24, 61
DRIVERS
V_hgp
V_lgp
V_hgn
V_lgn
I_hgp
I_lgp
I_hgn
I_lgn
High level output voltage (Gpl, Gpr)
Low level output voltage (Gpl, Gpr)
High level output voltage (Gnl, Gnr)
Low level output voltage (Gnl, Gnr)
High level output sink current
(Gpl, Gpr, peak)
Low level output source current
(Gpl, Gpr, peak)
High level output sink current
(Gnl, Gnr, peak)
Low level output source current
(Gnl, Gnr, peak)
INTERNAL POWER SUPPLY
5Vdig 5Vdig pin output voltage
2.5V 2.5V pin output voltage
-2.5V -2.5V pin output voltage
Vref1 Vref1 pin output voltage
Vrefl/Vrefr Vrefl, Vrefr pin output voltage
Reference: dgnd pin
Reference: sgnd pin
Reference: sgnd pin
Reference: + Vs pin
Reference: - Vs pin
150
°C
160
°C
10
°C
5Vdig 5Vdig 5Vdig
x 0.45 x 0.48 x 0.51
V
5Vdig 5Vdig 5Vdig
x 0.37 x 0.4 x 0.43
V
5Vdig 5Vdig 5Vdig
x 0.037 x 0.04 x 0.043
V
85 100 120 mV
85 100 120 mV
150 200 260 μA
-150 -200 -260 μA
+V_s-10
V
+V_s
V
-V_s
V
-V_s+10
V
2.2
A
2.7
A
2.5
A
1.7
A
4.3 4.8 5.3
V
2.15 2.4 2.65
V
-2.15 -2.4 -2.65 V
8.6
9.6 10.6
V
-8.6 -9.6 -10.6 V
9/17