TPA0172 Datasheet, PDF (5/31 Pages) Texas Instruments – 2-W STEREO AUDIO POWER AMPLIFIER WITH I2C BUS

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