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TPA0112 Datasheet(PDF) 5 Page - Texas Instruments

Part No. TPA0112
Description  2-W STEREO AUDIO POWER AMPLIFIER WITH FOUR SELECTABLE GAIN SETTINGS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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TPA0112
2-W STEREO AUDIO POWER AMPLIFIER
WITH FOUR SELECTABLE GAIN SETTINGS
SLOS204B – MAY 1999 – REVISED MARCH 2000
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
operating characteristics, VDD = 5 V, TA = 25°C, RL = 8 Ω, Gain = –2 V/V, BTL mode
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 1%,
RL = 4 Ω
f = 1 kHz,
1.9
W
THD + N
Total harmonic distortion plus noise
PO = 1 W,
f = 20 Hz to 15 kHz
0.75%
BOM
Maximum output power bandwidth
THD = 5%
>15
kHz
Supply ripple rejection ratio
f = 1 kHz,
CB = 0.47 µF
BTL mode
68
dB
SNR
Signal-to-noise ratio
105
dB
V
Noise output voltage
CB = 0.47 µF,
BTL mode
16
µVRMS
Vn
Noise output voltage
B
µ ,
f = 20 Hz to 20 kHz
SE mode
30
µVRMS
ZI
Input impedance
See Table 1
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
vs Output power
1, 4–7, 10–13,
16–19, 21
THD+N
Total harmonic distortion plus noise
vs Frequency
2, 3, 8, 9, 14,
15, 20, 22
vs Output voltage
23
Vn
Output noise voltage
vs Bandwidth
24
Supply ripple rejection ratio
vs Frequency
25, 26
Crosstalk
vs Frequency
27–29
Shutdown attenuation
vs Frequency
30
SNR
Signal-to-noise ratio
vs Frequency
31
Closed loop respone
32–35
PO
Output power
vs Load resistance
36, 37
PD
Power dissipation
vs Output power
38, 39
PD
Power dissipation
vs Ambient temperature
40




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