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TDA7570 数据表(PDF) 9 Page - STMicroelectronics

部件名 TDA7570
功能描述  250W PWM high efficiency power audio amplifier
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7570 数据表(HTML) 9 Page - STMicroelectronics

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TDA7570
Electrical specifications
9/17
PROTECTIONS
Thwc
Chip thermal warning intervention
150
°C
Tsdc
Thermal shut-down chip
160
°C
Tsdch
Thermal shut-down chip hysteresis
10
°C
Thws
External thermal warning
intervention
5Vdig
x 0.45
5Vdig
x 0.48
5Vdig
x 0.51
V
Tsds
External thermal shut-down
intervention
5Vdig
x 0.37
5Vdig
x 0.4
5Vdig
x 0.43
V
Tsdsh
External thermal shut-down
hysteresis
5Vdig
x 0.037
5Vdig
x 0.04
5Vdig
x 0.043
V
Vpp
Protection intervention voltage
Pchannel (Vspx1-Vspx2)
85
100
120
mV
Vpn
Protection intervention voltage
Nchannel (Vsnx2-Vsnx1)
85
100
120
mV
Ispx1
Current input pins 7, 13
150
200
260
μA
Isnx1
Current output pins 24, 61
-150
-200
-260
μA
DRIVERS
Vhgp
High level output voltage (Gpl, Gpr)
+Vs-10
V
Vlgp
Low level output voltage (Gpl, Gpr)
+Vs
V
Vhgn
High level output voltage (Gnl, Gnr)
-Vs
V
Vlgn
Low level output voltage (Gnl, Gnr)
-Vs+10
V
Ihgp
High level output sink current
(Gpl, Gpr, peak)
2.2
A
Ilgp
Low level output source current
(Gpl, Gpr, peak)
2.7
A
Ihgn
High level output sink current
(Gnl, Gnr, peak)
2.5
A
Ilgn
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)
(VS = ±25V, RL = 4Ω, f = 100Hz, Tj = 25°C, Gain = 28dB, application circuit shown in
Figure 3, 2x65/1x130W system, unless otherwise specified.)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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