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TDA7803A-QLX bảng dữ liệu(PDF) 17 Page - STMicroelectronics

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TDA7803A-QLX bảng dữ liệu(HTML) 17 Page - STMicroelectronics

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DS12195 Rev 7
17/72
TDA7803A
Electrical specification
71
3.4
Electrical characteristics typical curves
IILSTBY
Logic ‘0’ output current
VIN = 0.45 V
-
-
1
µA
IIHSTBY
Logic ‘1’ input current
VIN = 2.3 V (IB0 D4=0)
-
-
1
µA
I2S pins
VIL-I2S
Input low voltage
-
-
-
0.8
V
VIH-I2S
Input high voltage
-
1.3
-
-
V
IIH
Input high current
@ VI = 3.3 V
-
-
1
µA
IIL
Input low current
@ VI = 0 V
-
-
1
µA
Unmute hardware (pin 13)
VHW_UNMUTE
Hardware unmute threshold
(PSO36 only)
Attenuation ≥60 dB
-
-
1.2
V
Attenuation <0.5 dB
2.6
-
-
V
IUNMUTE
Input high current
@ VI = 3.3 V
-
-
1
µA
Input low current
@ VI = 0 V
-
-
1
µA
1. Square-wave input / saturated output.
2. Evaluated at bench during product validation.
3. Guaranteed by design (intrinsically immune from any pop at mute to play and play to mute transitions)
4. The values are the ones that guarantee the correct working of the diagnostic. Since the value is strongly dependent on the
loudspeaker, we decided to target the values for the limits of open load and short load diagnostic.
5. Thermal warning junction temperature values could be changed via I2C bits IB5-d6,d7.
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Figure 5. Quiescent current vs. supply voltage Figure 6. Output power vs. supply voltage (4 Ω)
120
140
160
180
200
6
8
10
12
14
16
18
Id (mA)
Vs (V)
Vi = 0
RL =
GADG2705161242PS
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
6
7
8
9
10
11
12
13
14
15
16
17
18
Po (W)
Vs (V)
RL = 4
f = 1 kHz
THD = 10%
THD = 1%
Po -max
GADG2705161340PS



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