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TPA2028D1 Datasheet(PDF) 8 Page - Texas Instruments

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Part # TPA2028D1
Description  Mono Class-D Audio Amplifier
Download  43 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPA2028D1 Datasheet(HTML) 8 Page - Texas Instruments

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Input Level − dBV
−50
−40
−30
−20
−10
0
10
20
−70
−50
−30
−10
10
G007
Compression Ratio = 1:1
Compression Ratio = 2:1
Compression Ratio = 4:1
Compression Ratio = 8:1
Limiter Level = 9 dBV
RL = 8 W + 33 mH
VDD = 5 V
Fixed Gain = 0 dB
Max Gain = 30 dB
−80
−70
−60
−50
−40
−30
−20
−10
0
f − Frequency − Hz
G014
Gain = 6 dB
RL = 8 W + 33 mH
20
100
1k
20k
10k
VDD = 2.5 V
VDD = 5 V
VDD = 3.6 V
Input Level − dBV
−50
−40
−30
−20
−10
0
10
20
−70
−50
−30
−10
10
G005
Limiter Level = 9 dBV
RL = 8 W + 33 mH
VDD = 5 V
Max Gain = 30 dB
Fixed Gain = −15
Fixed Gain = −12
Fixed Gain = −9
Fixed Gain = −6
Fixed Gain = −3
Fixed Gain = 0
Fixed Gain = 3
Fixed Gain = 6
Fixed Gain = −27
Fixed Gain = −24
Fixed Gain = −21
Fixed Gain = −18
Input Level − dBV
−50
−40
−30
−20
−10
0
10
20
−70
−50
−30
−10
10
G006
Limiter Level = 9 dBV
RL = 8 W + 33 mH
VDD = 5 V
Max Gain = 30 dB
Fixed Gain = −12
Fixed Gain = −9
Fixed Gain = −6
Fixed Gain = −3
Fixed Gain = 0
Fixed Gain = 3
Fixed Gain = −27
Fixed Gain = −24
Fixed Gain = −21
Fixed Gain = −18
Fixed Gain = −15
Input Level − dBV
−50
−40
−30
−20
−10
0
10
20
−40
−30
−20
−10
0
10
G003
RL = 8 W + 33 H
m
VDD = 5 V
Fixed Gain = Max Gain = 30 dB
Compression Ratio = 1:1
Limiter Level = −6.5
Limiter Level = −4.5
Limiter Level = −2.5
Limiter Level = −0.5
Limiter Level = 1.5
Limiter Level = 3.5
Limiter Level = 5.5
Limiter Level = 7.5
Limiter Level = 9
Input Level − dBV
−50
−40
−30
−20
−10
0
10
20
−70
−50
−30
−10
10
G004
Limiter Level = 9 dBV
RL = 8 W + 33 mH
VDD = 5 V
Max Gain = 30 dB
Fixed Gain = −12
Fixed Gain = −9
Fixed Gain = −6
Fixed Gain = −3
Fixed Gain = 0
Fixed Gain = 3
Fixed Gain = 6
Fixed Gain = 9
Fixed Gain = 12
TPA2028D1
SLOS660C – JANUARY 2010 – REVISED OCTOBER 2015
www.ti.com
Typical Characteristics (continued)
with C(DECOUPLE) = 1 μF, CI = 1 µF. All THD + N graphs are taken with outputs out of phase (unless otherwise noted).
Figure 5. Output Level vs Input Level With Limiter Enabled
Figure 6. Output Level vs Input Level With 2:1
Compression
Figure 7. Output Level vs Input Level With 4:1
Figure 8. Output Level vs Input Level With 8:1
Compression
Compression
Figure 10. Supply Ripple Rejection Ratio vs Frequency
Figure 9. Output Level vs Input Level
8
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