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TDA7492 数据表(PDF) 13 Page - STMicroelectronics

部件名 TDA7492
功能描述  50 W 50 W dual BTL class-D amplifier
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7492 数据表(HTML) 13 Page - STMicroelectronics

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TDA7492
Characterization curves
32
Figure 6. THD vs. frequency
Figure 7. Frequency response
Figure 8. Crosstalk
0.01
0.5
0.02
0.03
0.04
0.05
0.06
0.07
0.1
0.2
0.3
0.4
THD %
20
20k
50
100
200
500
1k
2k
5k
10k
Frequency (Hz)
Test conditions:
Vcc = 25 V,
RL = 6
Ω,
Rosc = 39 k
Ω, Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Po = 1 W,
Tamb = 25 C
Specification limit:
Typical: THD < 0.4%
Specification limit:
Max: +/-3 dB (20 Hz to 20 kHz)
Test conditions:
Vcc = 25 V,
RL = 6
Ω,
Rosc = 39 k
Ω, Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Po = 1 W,
Tamb = 25 C
-6
+1
-5.5
-5
-4.5
-4
-3.5
-3
-2.5
-2
-1.5
-1
-0.5
-0
+0.5
dBrA
20
20k
50
100
200
500
1k
2k
5k
10k
Frequency (Hz)
Specification limit:
Typical: > 50 dB (at f = 1 kHz)
Test conditions:
Vcc = 25 V,
RL = 6
Ω,
Rosc = 39 k
Ω, Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Po = 1 W
Tamb = 25 C
-120
-60
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
Crosstalk
dB
20
20k
50
100
200
500
1k
2k
5k
10k
T
T
T
T
T
T
Frequency (Hz)



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