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TPA0172 Datasheet(PDF) 7 Page - Texas Instruments

Part # TPA0172
Description  2-W STEREO AUDIO POWER AMPLIFIER WITH I2C BUS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPA0172 Datasheet(HTML) 7 Page - Texas Instruments

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TPA0172
2W STEREO AUDIO POWER AMPLIFIER
WITH I2C BUS
SLOS327C − AUGUST 2000 − REVISED MAY 2001
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 5
0.001
10
0.01
0.1
1
20
20k
100
1k
10k
PO = 75 mW
RL = 32 Ω
AV = 14 to 0 dB
Mode = SE
f − Frequency − Hz
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
FREQUENCY
Figure 6
10
0.01
0.1
1
1m
500m
10m
100m 200m
f = 20 kHz
f = 20 Hz
f = 1 kHz
RL = 32 Ω
AV = 14 to 0 dB
Mode = SE
TOTAL HARMONIC DISTORTION PLUS NOISE
vs
OUTPUT POWER
PO − Output Power − W
Figure 7
10
100
1 k
10 k
0
20
40
60
80
VDD = 5 V,
RL = 8 Ω,
Mode = BTL,
Right Channel
f − Frequency − Hz
OUTPUT NOISE VOLTAGE
vs
FREQUENCY
AV = 20 dB
20 k
10
30
50
70
AV = 6 dB
Figure 8
−100
0
−90
−80
−70
−60
−50
−40
−30
−20
−10
20
20k
100
1k
10k
RL = 8 Ω
CB = 0.47 µF
Mode = BTL
SUPPLY RIPPLE REJECTION RATIO
vs
FREQUENCY
AV = 6 dB
f − Frequency − Hz
AV = 20 dB


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