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TPA311D Fiches technique(PDF) 3 Page - Texas Instruments

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No de pièce TPA311D
Description  350-mW MONO AUDIO POWER AMPLIFIER
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

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TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207B – JANUARY 1998 – REVISED MARCH 2000
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VDD = 3.3 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOO
Output offset voltage (measured differentially)
See Note 1
5
20
mV
PSRR
Power supply rejection ratio
VDD =3 2Vto3 4V
BTL mode
85
dB
PSRR
Power supply rejection ratio
VDD = 3.2 V to 3.4 V
SE mode
83
dB
IDD
Supply current (see Figure 6)
BTL mode
0.7
1.5
mA
IDD
Supply current (see Figure 6)
SE mode
0.35
0.75
mA
IDD(SD) Supply current, shutdown mode (see Figure 7)
7
50
µA
NOTE 1: At 3 V < VDD < 5 V the dc output voltage is approximately VDD/2.
operating characteristics, VDD = 3.3 V, TA = 25°C, RL = 8 Ω
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PO
Output power see Note 2
THD = 0.5%,
BTL mode,
See Figure 14
250
mW
PO
Output power, see Note 2
THD = 0.5%,
SE mode
110
mW
THD + N
Total harmonic distortion plus
noise
PO = 250 mW,
See Figure 12
f = 20 Hz to 4 kHz,
Gain = 2,
1.3%
BOM
Maximum output power bandwidth
Gain = 2,
THD = 3%,
See Figure 12
10
kHz
B1
Unity-gain bandwidth
Open Loop,
See Figure 36
1.4
MHz
Supply ripple rejection ratio
f = 1 kHz,
See Figure 5
CB = 1 µF,
BTL mode,
71
dB
Supply ripple rejection ratio
f = 1 kHz,
See Figure 3
CB = 1 µF,
SE mode,
86
dB
Vn
Noise output voltage
Gain = 1,
BTL,
CB = 0.1 µF,
See Figure 42
RL = 32 Ω,
15
µV(rms)
NOTE 2: Output power is measured at the output terminals of the device at f = 1 kHz.


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