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| TPA301_15 Datasheet, PDF (3/29 Pages) Texas Instruments – 350-mW MONO AUDIO POWER AMPLIFIER | |||
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TPA301
www.ti.com
SLOS208E â JANUARY 1998 â REVISED JUNE 2004
ELECTRICAL CHARACTERISTICS
at specified free-air temperature, VDD = 3.3 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
|VOD|
PSRR
IDD
IDD(SD)
|IIH|
|IIL|
Differential output voltage
Power supply rejection ratio
Supply current (see Figure 3)
Supply current, shutdown mode (see Figure 4)
High-level input current
Low-level input current
SHUTDOWN = 0 V, RL = 8 â¦, RF = 10 kâ¦
VDD = 3.2 V to 3.4 V
SHUTDOWN = 0 V, RF = 10 kâ¦
SHUTDOWN = VDD, RF = 10 kâ¦
SHUTDOWN, VDD = 3.3 V, VI = 3.3 V
SHUTDOWN, VDD = 3.3 V, VI = 0 V
MIN TYP MAX
5 20
85
0.7 1.5
0.15
5
1
1
UNIT
mV
dB
mA
µA
µA
µA
OPERATING CHARACTERISTICS
VDD = 3.3 V, TA = 25°C, RL = 8 â¦
PARAMETER
PO
Output power(1)
THD + N Total harmonic distortion plus noise
THD = 0.5%,
PO = 250 mW,
AV = 2 V/V,
TEST CONDITIONS
See Figure 9
f = 20 Hz to 4 kHz,
See Figure 7
Maximum output power bandwidth AV = 2 V/V, THD = 3%,
See Figure 7
B1
Unity-gain bandwidth
Supply ripple rejection ratio
Vn
Noise output voltage
Open loop,
f = 1 kHz, CB = 1 µF,
AV = 1 V/V,
RL = 32 â¦,
See Figure 15
See Figure 2
CB = 0.1 µF,
See Figure 19
(1) Output power is measured at the output terminals of the device at f = 1 kHz.
MIN TYP MAX UNIT
250
mW
1.3%
10
kHz
1.4
MHz
71
dB
15
µV(rms)
ELECTRICAL CHARACTERISTICS
at specified free-air temperature, VDD = 5 V, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
|VOD|
PSRR
IDD
IDD(SD)
|IIH|
|IIL|
Differential output voltage
Power supply rejection ratio
Supply current (see Figure 3)
Supply current, shutdown mode (see Figure 4)
High-level input current
Low-level input current
SHUTDOWN = 0 V, RL = 8 â¦, RF = 10 kâ¦
VDD = 4.9 V to 5.1 V
SHUTDOWN = 0 V, RF = 10 kâ¦
SHUTDOWN = VDD, RF = 10 kâ¦
SHUTDOWN, VDD = 5.5 V, VI = VDD
SHUTDOWN, VDD = 5.5 V, VI = 0 V
MIN TYP MAX
5 20
78
0.7 1.5
0.15
5
1
1
UNIT
mV
dB
mA
µA
µA
µA
OPERATING CHARACTERISTICS
VDD = 5 V, TA = 25°C, RL = 8 â¦
PARAMETER
PO
Output power
THD + N Total harmonic distortion plus noise
Maximum output power bandwidth
B1
Unity-gain bandwidth
Supply ripple rejection ratio
Vn
Noise output voltage
TEST CONDITIONS
THD = 0.5%,
See Figure 13
PO = 350 mW,
AV = 2 V/V,
f = 20 Hz to 4 kHz,
See Figure 11
AV = 2 V/V, THD = 2%,
See Figure 11
Open loop,
See Figure 16
f = 1 kHz, CB = 1 µF,
AV = 1 V/V,
RL = 32 ⦠,
See Figure 2
CB = 0.1 µF,
See Figure 20
MIN TYP MAX UNIT
700
mW
1%
10
kHz
1.4
MHz
65
dB
15
µV(rms)
3
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