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TAS2120 Datasheet(PDF) 21 Page - Texas Instruments

Part # TAS2120
Description  TAS2120 8.2W Mono Digital Input Class-D Speaker Amp with Integrated 14.75V Class- H Boost
PDF  113 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TAS2120 Datasheet(HTML) 21 Page - Texas Instruments

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VBAT (V)
2.5
3
3.5
4
4.5
5
5.5
0
5
10
15
20
25
30
35
40
45
50
Receiver ICN
Speaker ICN
RL = 8 Ω
1S Boost Mode
Figure 5-39. Idle channel noise vs 1S Battery
voltage
VBAT (V)
4.5
5
5.5
6
6.5
7
7.5
8
8.5
9
9.5
10
0
5
10
15
20
25
30
35
40
45
50
Receiver ICN
Speaker ICN
RL = 8 Ω
1S Boost Mode
Figure 5-40. Idle channel noise vs 2S Battery
voltage
PVDD (V)
4.5
6
7.5
9
10.5
12
13.5
15
0
5
10
15
20
25
30
35
40
45
50
Receiver ICN
Speaker ICN
RL = 8 Ω
External PVDD Mode
Figure 5-41. Idle channel noise vs PVDD voltage
Frequency (Hz)
20 30 50 100 200
500 1000 2000
10000
50000
50000
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
Fs = 16ksps
Fs = 48ksps
Fs = 96ksps
RL = 8 Ω
Figure 5-42. Audio channel frequency response
Frequency (Hz)
20 30 50 70100 200
500 1000 2000
5000 1000020000
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
VDD = 1.8 V
VBAT = 3.6 V
RL = 8 Ω
1S Boost Mode
Figure 5-43. PSRR vs Frequency
Frequency (Hz)
20 30 50 70100 200
500 1000 2000
5000 1000020000
60
65
70
75
80
85
90
95
100
105
110
115
120
125
130
PVDD = 12 V, VDD Y-bridge enabled
PVDD = 12 V, VDD Y-bridge disabled
RL = 8 Ω
External PVDD Mode
Figure 5-44. PSRR vs Frequency
www.ti.com
TAS2120
SLASFC6A – AUGUST 2024 – REVISED AUGUST 2025
Copyright © 2025 Texas Instruments Incorporated
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Product Folder Links: TAS2120



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