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TPA0212_07 Datasheet (HTML) - Texas Instruments

Part No. TPA0212_07
Description  STEREO 2.6-W AUDIO POWER AMPLIFIER WITH FOUR SELECTABLE GAIN SETTINGS AND MUX CONTROL
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA0212
SLOS284B – NOVEMBER 1999 – REVISED NOVEMBER 2004
DISSIPATION RATING TABLE
PACKAGE
TA≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
PWP
2.7 W(1)
21.8 mW/
°C
1.7 W
1.4 W
(1)
Please see the Texas Instruments document, PowerPAD Thermally Enhanced Package Application
Report (literature number SLMA002), for more information on the PowerPAD package. The thermal
data was measured on a PCB layout based on the information in the section entitled Texas
Instruments Recommended Board for PowerPAD of the before mentioned document.
MIN
MAX
UNIT
VDD
Supply voltage
4.5
5.5
V
SE/BTL, HP/LINE, GAIN0, GAIN1
0.8 x VDD
VIH
High-level input voltage
V
SHUTDOWN
2
SE/BTL, HP/LINE
0.6 x VDD
VIL
Low-level input voltage
GAIN0, GAIN1
0.4 x VDD
V
SHUTDOWN
0.8
TA
Operating free-air temperature
-40
85
°C
at specified free-air temperature, V
DD = 5 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOO|
Output offset voltage (measured differentially)
VI = 0 Av = 2 V/V
25
mV
PSRR
Power supply rejection ratio
VDD = 4.5 V to 5.5 V
77
dB
|IIH|
High-level input current
VDD = 5.5 V, VI = VDD
900
nA
|IIL|
Low-level input current
VDD = 5.5 V VI = 0 V
900
nA
BTL mode
6
8
IDD
Supply current
mA
SE mode
3
4
IDD(SD)
Supply current, shutdown mode
150
300
µA
V
DD = 5 V, TA = 25°C, RL = 8 Ω , Gain = 2 V/V, BTL mode
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD + N = 10%,
2.6
PO
Output power
RL = 3 Ω
W
THD + N = 1%
2.05
THD + N
Total harmonic distortion plus noise
PO = 1 W,
f = 20 Hz to 15 kHz
0.65%
BOM
Maximum output power bandwidth
THD = 5%
>15
kHz
f = 1 kHz,
Supply ripple rejection ratio
BTL mode
72
dB
C(BYP) = 0.47 µF
SNR
Signal-to-noise ratio
105
dB
BTL mode
20
C(BYP) = 0.47 µF,
Vn
Noise output voltage
µVRMS
f = 20 Hz to 20 kHz
SE mode
18
Zi
Input impedance
See Table 1
4



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