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TPA0172 Datenblatt(PDF) 5 Page - Texas Instruments

Teilenummer TPA0172
Bauteilbeschribung  2-W STEREO AUDIO POWER AMPLIFIER WITH I2C BUS
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Hersteller  TI [Texas Instruments]
Direct Link  http://www.ti.com
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TPA0172 Datenblatt(HTML) 5 Page - Texas Instruments

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TPA0172
2W STEREO AUDIO POWER AMPLIFIER
WITH I2C BUS
SLOS327C − AUGUST 2000 − REVISED MAY 2001
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VDD = 5 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOS|
Output offset voltage (measured differentially)
VI = 0 V,
AV = 20 dB
20
mV
PSRR
Power supply rejection ratio
VDD = 4.5 V to 5.5 V
75
dB
|IIH|
High-level input current
VDD = 5.5 V,
VI = VDD
1
µA
|IIL|
Low-level input current
VDD = 5.5 V,
VI = 0 V
1
µA
Zi
Input impedance
7.5
k
IDD
Supply current
BTL mode
8
12
mA
IDD(SD)
Supply current, shutdown mode
PC-BEEP = 0 V
15
35
µA
IDD(SD)
Supply current, shutdown mode
PC-BEEP = VDD/2
50
90
µA
operating characteristics, VDD = 5 V, TA = 25°C, RL = 4 Ω, Gain = 20 dB, BTL mode (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power
THD = 0.08%,
f = 1 kHz
2
W
THD + N
Total harmonic distortion plus noise
PO = 1 W,
f = 20 Hz to 20 kHz
0.3%
BOM
Maximum output power bandwidth
THD = 1%
>20
kHz
Supply ripple rejection ratio
f = 1 kHz,
CB = 0.47 F
BTL mode
−58
dB
Supply ripple rejection ratio
f = 1 kHz,
CB = 0.47 µF
SE mode
−52
dB
Vn
Noise output voltage
CB = 0.47 µF,
f = 20 Hz to 20 kHz,
BTL mode
29
µVRMS
Vn
Noise output voltage
f = 20 Hz to 20 kHz,
Gain = 6 dB BTL, 0 dB SE
SE mode
23
µVRMS
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
THD+N
Total harmonic distortion plus noise
vs Output power
1, 2, 4, 6
THD+N
Total harmonic distortion plus noise
vs Frequency
3, 5,
Vn
Output noise voltage
vs Frequency
7
Supply ripple rejection ratio
vs Frequency
8, 9
Crosstalk
vs Frequency
10, 11
Shutdown attenuation
vs Frequency
12
Closed loop response
13, 14
PO
Output power
vs Load resistance
15, 16
PD
Power dissipation
vs Output power
17, 18
PD
Power dissipation
vs Ambient temperature
19


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