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E-TDA7570

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
TDA7570 Electrical specifications
7/17
3 Electrical specifications
3.1 Absolute maximum ratings
3.2 Thermal data
3.3 Electrical characteristics
Table 3. Absolute maximum ratings
Symbol Parameter Value Unit
±V
s
Operating supply voltage ±30 V
P
tot
Power dissipation T
case
= 85°C 21 W
T
j
Junction temperature, operating range -40 to 150 °C
T
stg
Storage temperature, operating range -55 to 150 °C
Table 4. Thermal data
Symbol Parameter Value Unit
R
th j-case
Thermal resistance junction to case 3 °C/W
Table 5. Electrical characteristics
(V
S
= ±25V, R
L
= 4, f = 100Hz, T
j
= 25°C, Gain = 28dB, application circuit shown in
Figure 3, 2x65/1x130W system, unless otherwise specified.)
Symbol Parameter Test condition Min. Typ. Max. Unit
±V
S
Operating supply voltage ±12 ±30 V
I
q
Quiescent supply current
V
st-by
= 5V, F
switching
= 352.8kHz
from +V
S
from +V
S
-low
from -V
S
20
5.4
20
25
7
25
35
9
35
mA
mA
mA
I
st-by
Quiescent supply current
V
st-by
= 0 from +V
S
0.35 0.5 0.65 mA
V
st-by
= 0 from -V
S
-0.2 -0.3 -0.4 mA
V
os
Output offset voltage
Output-GND (single-ended) 350 mV
Output L - Output R (bridge) 120 mV
P
o
Output Power
Single-ended, @ THD = 1%
2 x 70W system
70 W
Bridge, @ THD = 1%
1 x 250W system
250 W
P
d
Power dissipation of the
TDA7570
Quiescent condition 1.5 1.75 W
Electrical specifications TDA7570
8/17
P
dt
Power dissipation of the external
power transistors (total)
@ P
out
= 25W, bridge
configuration
10 W
THD Total harmonic distortion
@ P
out
= 10 W, single ended 0.1 %
@ P
out
= 40 W, bridge 0.03 0.1 %
G Gain single-ended 27 28 29 dB
G Gain Bridge 33 34 35 dB
E
n
Output noise Single_Ended "A" weighted 200 V
E Output noise bridge "A" weighted 150 V
G
e
Delta gain error between
channels
f = 1kHz, after output filter of TBD
order, 20kHz butterworth
0.5 dB
R
i
Input resistance Single-ended 7 10 13 K
R
i
Input resistance Bridge 3.5 5 6.5 K
V
gspth
Threshold voltage of the
Pchannel V
gs
sensor
(VSpx1 - VGpxs)
2.533.5V
V
gsnth
Threshold voltage of the
Pchannel V
gs
sensor
(VGnxs - VSnx1)
2.533.5V
c
t
Crosstalk f = 1kHz, V
o
= 2Vrms 50 60 dB
A
m
Mute attenuation V
o
= 2Vrms 70 80 dB
SVR Supply voltage rejection f = 100Hz, V
r
= 0.5V 50 60 dB
F
SW
Switching frequency 250 310 360 KHz
V
il
Logic inputs low level voltage 1.5 V
V
ih
Logic inputs high level voltage 2.3 V
CLIP DETECTOR
Vcd
Clip detector pin max operating
voltage (open drain)
5.5 V
CDl Clip detector pin leakage current CD off 1 A
CDs
Clip detector pin saturation
voltage
CD on, 1mA 1 V
CDi Clip detector THD intervention
CDsel1=0, CDsel2=0
(near clipping detection)
0.5 %
CDsel1=0, CDsel2=1 1 %
CDsel1=1, CDsel2=0 5 %
CDsel1=1, CDsel2=1 8 %
Table 5. Electrical characteristics (continued)
(V
S
= ±25V, R
L
= 4, f = 100Hz, T
j
= 25°C, Gain = 28dB, application circuit shown in
Figure 3, 2x65/1x130W system, unless otherwise specified.)
Symbol Parameter Test condition Min. Typ. Max. Unit
TDA7570 Electrical specifications
9/17
PROTECTIONS
T
hwc
Chip thermal warning intervention
150 °C
T
sdc
Thermal shut-down chip 160 °C
T
sdch
Thermal shut-down chip hysteresis
10 °C
T
hws
External thermal warning
intervention
5Vdig
x 0.45
5Vdig
x 0.48
5Vdig
x 0.51
V
T
sds
External thermal shut-down
intervention
5Vdig
x 0.37
5Vdig
x 0.4
5Vdig
x 0.43
V
T
sdsh
External thermal shut-down
hysteresis
5Vdig
x 0.03
7
5Vdig
x 0.04
5Vdig
x 0.043
V
V
pp
Protection intervention voltage
Pchannel (Vspx1-Vspx2)
85 100 120 mV
V
pn
Protection intervention voltage
Nchannel (Vsnx2-Vsnx1)
85 100 120 mV
I
spx1
Current input pins 7, 13 150 200 260 A
I
snx1
Current output pins 24, 61 -150 -200 -260 A
DRIVERS
V
hgp
High level output voltage (Gpl, Gpr)
+V
s
-10 V
V
lgp
Low level output voltage (Gpl, Gpr)
+V
s
V
V
hgn
High level output voltage (Gnl, Gnr)
-V
s
V
V
lgn
Low level output voltage (Gnl, Gnr)
-V
s
+10 V
I
hgp
High level output sink current
(Gpl, Gpr, peak)
2.2 A
I
lgp
Low level output source current
(Gpl, Gpr, peak)
2.7 A
I
hgn
High level output sink current
(Gnl, Gnr, peak)
2.5 A
I
lgn
Low level output source current
(Gnl, Gnr, peak)
1.7 A
INTERNAL POWER SUPPLY
5Vdig 5Vdig pin output voltage Reference: dgnd pin 4.3 4.8 5.3 V
2.5V 2.5V pin output voltage Reference: sgnd pin 2.15 2.4 2.65 V
-2.5V -2.5V pin output voltage Reference: sgnd pin -2.15 -2.4 -2.65 V
Vref1 Vref1 pin output voltage Reference: + Vs pin 8.6 9.6 10.6 V
Vrefl/Vrefr
Vrefl, Vrefr pin output voltage Reference: - Vs pin -8.6 -9.6 -10.6 V
Table 5. Electrical characteristics (continued)
(V
S
= ±25V, R
L
= 4, f = 100Hz, T
j
= 25°C, Gain = 28dB, application circuit shown in
Figure 3, 2x65/1x130W system, unless otherwise specified.)
Symbol Parameter Test condition Min. Typ. Max. Unit
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

E-TDA7570

Mfr. #:
Buy E-TDA7570
Manufacturer:
STMicroelectronics
Description:
Audio DSPs 250W PWM High Efficiency Power Amp
Lifecycle:
New from this manufacturer.
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