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TPA311DR Fiches technique(PDF) 4 Page - Texas Instruments

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No de pièce TPA311DR
Description  350-mW MONO AUDIO POWER AMPLIFIER
Download  35 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPA311DR Fiches technique(HTML) 4 Page - Texas Instruments

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TPA311
350-mW MONO AUDIO POWER AMPLIFIER
SLOS207C – JANUARY 1998 – REVISED MAY 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, VDD = 5 V, TA = 25°C (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
|VOO|
Output offset voltage (measured differentially)
SHUTDOWN = 0 V, SE/BTL = 0 V,
RL = 8 Ω, RF = 10 kΩ
5
20
mV
PSRR
Power supply rejection ratio
V
4 9Vto5 1V
BTL mode
78
dB
PSRR
Power supply rejection ratio
VDD = 4.9 V to 5.1 V
SE mode
76
dB
I
Supply current (see Figure 6)
SHUTDOWN = 0 V,
SE/BTL = 0.5 V, RF = 10 kΩ
BTL mode
0.7
1.5
mA
IDD
Supply current (see Figure 6)
SHUTDOWN = 0 V,
SE/BTL = 4.5 V, RF = 10Ω
SE mode
0.35
0.75
mA
IDD(SD)
Supply current, shutdown mode
(see Figure 7)
SHUTDOWN = VDD, SE/BTL = 0 V,
RF = 10 kΩ,
60
100
µA
|IIH|
High level input current
SHUTDOWN, VDD = 5.5 V, VI = VDD
1
µA
|IIH|
High-level input current
SE/BTL, VDD = 5.5 V, VI = VDD
1
µA
|IIL|
Low level input current
SHUTDOWN, VDD = 5.5 V, VI = 0 V
1
µA
|IIL|
Low-level input current
SE/BTL, VDD = 5.5 V, VI = 0 V
1
µA
operating characteristics, VDD = 5 V, TA = 25°C, RL = 8 Ω
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
P
Output power see Note 2
THD = 0.5%,
BTL mode,
See Figure 18
700
mW
PO
Output power, see Note 2
THD = 0.5%,
SE mode
300
mW
THD + N
Total harmonic distortion plus
noise
PO = 350 mW,
See Figure 16
f = 20 Hz to 4 kHz,
AV = – 2 V/V,
1%
BOM
Maximum output power bandwidth
AV = – 2 V/V,
THD = 2%,
See Figure 16
10
kHz
B1
Unity-gain bandwidth
Open loop,
See Figure 37
1.4
MHz
Supply ripple rejection ratio
f = 1 kHz,
See Figure 5
CB = 1 µF,
BTL mode,
65
dB
Supply ripple rejection ratio
f = 1 kHz,
See Figure 4
CB = 1 µF,
SE mode,
75
dB
Vn
Noise output voltage
AV = – 1 V/V,
BTL,
CB = 0.1 µF,
See Figure 43
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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