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TPA0252 Folha de dados(PDF) 4 Page - Texas Instruments

Nome de Peças TPA0252
Descrição Electrónicos  2.8-W STEREO AUDIO POWER AMPLIFIER WITH DIGITAL VOLUME CONTROL
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
Logo TI - Texas Instruments

TPA0252 Folha de dados(HTML) 4 Page - Texas Instruments

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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA0252
SLOS288B – JUNE 2000 – REVISED SEPTEMBER 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)
See the Texas Instruments document, PowerPAD™Thermally Enhanced Package Application Report
(literature number SLMA002), for more information on the PowerPAD™ package. The thermal data
measured on a PCB layout based on the information in the section entitled Texas Instruments
Recommended Board for PowerPAD™ on page 33 of the before mentioned document.
MIN
MAX
UNIT
Supply voltage, VDD
4.5
5.5
V
Volume control memory supply voltage, VAUX
3
5.5
V
CLK
4.5
SE/BTL, HP/LINE
0.8
× V
DD
High-level input voltage, VIH
V
UP, DOWN
4
SHUTDOWN
2
SE/BTL, HP/LINE
0.6
× V
DD
Low-level input voltage, VIL
SHUTDOWN
0.8
V
UP, DOWN, CLK
0.5
Operating free-air temperature, TA
-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
|VOS|
Output offset voltage (measured differentially)
VI = 0, AV = 2 V/V
35
mV
Supply ripple rejection ratio
VDD = 4.9 V to 5.1 V
67
dB
|IIH|
High-level input current SE/BTL, HP/LINE, SHUTDOWN, UP, DOWN
VDD = 5.5 V, VI = VDD
1
µA
SE/BTL, HP/LINE, SHUTDOWN
1
µA
|IIL|
Low-level input current
VDD = 5.5 V, VI= 0 V
UP, DOWN
125
µA
BTL mode
9
15
IDD
Supply current
mA
SE mode
4.5
7.5
IDD(SD)
Supply current, shutdown mode
150
300
µA
IDD(VAUX) Supply current, VAUX pin (see Figure 29)
VAUX = 5 V, VDD = 0 V
0.7
nA
V
DD = 5 V, TA= 25°C, RL = 4 Ω , Gain = 20 dB, BTL mode (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD = 10%
2.8
PO
Output power
RL = 3 Ω, f = 1 kHz
W
THD = 1%
2.3
THD + N
Total harmonic distortion plus noise
PO = 1 W, f = 20 Hz to 15 kHz
0.3%
BOM
Maximum output power bandwidth
THD = 5%
>15
kHz
BTL mode
65
f = 1 kHz,
kSVR
Supply ripple rejection ratio
dB
CB = 0.47 µF
SE mode, Gain = 14 dB
60
BTL mode, Gain = 6 dB
17
CB = 0.47 µF,
Vn
Noise output voltage
µVRMS
f = 20 Hz to 20 kHz
SE mode, Gain = 0 dB
44
4


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