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TPA2038D1YFFR Datasheet(PDF) 3 Page - Texas Instruments

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No. de Pieza. TPA2038D1YFFR
Descripción  3.2 W Mono Class-D Audio Power Amplifier With Selectable Gain and Auto-Recovering Short-Circuit Protection
Descarga  22 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPA2038D1YFFR Datasheet(HTML) 3 Page - Texas Instruments

 
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TPA2038D1
www.ti.com
SLOS697
– AUGUST 2011
ELECTRICAL CHARACTERISTICS
PVDD = VDD = 3.6 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output offset voltage
|VOS|
VDD = 2.5 V to 5.5 V, GAIN = VDD
1
5
mV
(measured differentially)
|IIH|
High-level EN input current
VDD = 5.5 V, EN = GAIN = 5.5 V
50
μA
|IIL|
Low-level EN input current
VDD = 5.5 V, EN = GAIN = 0 V
1
μA
VDD = 5.5 V, no load
1.8
2.5
I(Q)
Quiescent current
VDD = 3.6 V, no load
1.5
2.3
mA
VDD = 2.5 V, no load
1.3
2.1
I(SD)
Shutdown current
EN = 0.35 V, VDD = 3.6 V
0.1
2
μA
RO, SD
Output impedance in
EN = 0.35 V
2
k
shutdown mode
f(SW)
Switching frequency
VDD = 2.5 V to 5.5 V
250
300
350
kHz
AV
Gain
GAIN = 0 V
11.5
12
12.5
dB
GAIN = VDD
5.5
6
6.5
REN
Resistance from EN to GND
300
k
AV = 6 dB; EN = VDD
150
RIN
Single-ended input resistance
AV = 12 dB; EN = VDD
75
k
EN = 0.35 V
75
OPERATING CHARACTERISTICS
PVDD = VDD = 3.6 V, AV = 6 dB, TA = 25°C, RL = 8 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 5 V
3.24
THD + N = 10%, f = 1 kHz,
VDD = 3.6 V
1.62
W
RL = 4 Ω
VDD = 2.5 V
0.70
VDD = 5 V
2.57
THD + N = 1%, f = 1 kHz,
VDD = 3.6 V
1.32
W
RL = 4 Ω
VDD = 2.5 V
0.57
PO
Output power
VDD = 5 V
1.80
THD + N = 10%, f = 1 kHz,
VDD = 3.6 V
0.91
W
RL = 8 Ω
VDD = 2.5 V
0.42
VDD = 5 V
1.46
THD + N = 1%, f = 1 kHz,
VDD = 3.6 V
0.74
W
RL = 8 Ω
VDD = 2.5 V
0.33
VDD = 3.6 V, Inputs AC
A-weighting
20
Output voltage noise, AV = 6 dB
grounded with CI = 2 μF,
No weighting
26
f = 20 Hz to 20 kHz
EN
μVRMS
A-weighting
27
Output voltage noise, AV = 12 dB
No weighting
36
VDD = 5.0 V, PO = 1.0 W, f = 1 kHz, RL = 8 Ω
0.12%
VDD = 3.6 V, PO = 0.5 W, f = 1 kHz, RL = 8 Ω
0.05%
VDD = 2.5 V, PO = 0.2 W, f = 1 kHz, RL = 8 Ω
0.05%
THD+N
Total harmonic distortion plus noise
VDD = 5.0 V, PO = 2.0 W, f = 1 kHz, RL = 4 Ω
0.32%
VDD = 3.6 V, PO = 1.0 W, f = 1 kHz, RL = 4 Ω
0.11%
VDD = 2.5 V, PO = 0.4 W, f = 1 kHz, RL = 4 Ω
0.12%
AV = 6 dB, Inputs AC grounded with CI = 2 μF,
81
200 mVpp ripple, f = 217 Hz
PSRR
AC power supply rejection ratio
dB
AV = 12 dB, Inputs AC grounded with
82
CI = 2 μF, 200 mVpp ripple, f = 217 Hz
Copyright
© 2011, Texas Instruments Incorporated
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