TPA301
350-mW MONO AUDIO POWER AMPLIFIER
SLOS208C – JANUARY1998 – REVISED MARCH 2000
electrical characteristics at specified free-air temperature, V = 3.3 V, T = 25°C (unless otherwise
DD
A
noted)
PARAMETER
Differential output voltage
TEST CONDITIONS
MIN
TYP
5
MAX
UNIT
mV
dB
V
See Note 1
20
OD
PSRR
Power supply rejection ratio
V
= 3.2 V to 3.4 V
85
DD
BTL mode
I
Supply current (see Figure 3)
0.7
0.15
1.5
5
mA
µA
DD(q)
I
Supply current, shutdown mode (see Figure 4)
DD(sd)
NOTE 1: At 3 V < V
< 5 V the dc output voltage is approximately V /2.
DD
DD
operating characteristics, V
= 3.3 V, T = 25°C, R = 8 Ω
A L
DD
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
P
O
Output power, see Note 2
THD = 0.5%,
See Figure 9
250
mW
P
= 250 mW, f = 20 Hz to 4 kHz,
O
THD + N Total harmonic distortion plus noise
Maximum output power bandwidth
1.3%
Gain = 2,
See Figure 7
Gain = 2,
See Figure 7
THD = 3%,
10
1.4
71
kHz
MHz
dB
B
1
Unity-gain bandwidth
Open Loop,
See Figure 15
f = 1 kHz,
See Figure 2
C
= 1 µF,
B
Supply ripple rejection ratio
Gain = 1,
C
= 0.1 µF,
B
V
n
Noise output voltage
15
µV(rms)
R
= 32 Ω,
See Figure 19
L
NOTE 2: Output power is measured at the output terminals of the device at f = 1 kHz.
electrical characteristics at specified free-air temperature, V
noted)
= 5 V, T = 25°C (unless otherwise
A
DD
PARAMETER
Differential output voltage
TEST CONDITIONS
MIN
TYP
5
MAX
UNIT
mV
dB
V
20
OD
PSRR
Power supply rejection ratio
V
DD
= 4.9 V to 5.1 V
78
I
I
Quiescent current (see Figure 3)
0.7
0.15
1.5
5
mA
µA
DD(q)
Quiescent current, shutdown mode (see Figure 4)
DD(sd)
operating characteristics, V
= 5 V, T = 25°C, R = 8 Ω
A L
DD
PARAMETER
TEST CONDITIONS
THD = 0.5%, See Figure 13
= 250 mW, f = 20 Hz to 4 kHz,
MIN
TYP
MAX
UNIT
P
Output power
700
mW
O
P
O
THD + N Total harmonic distortion plus noise
Maximum output power bandwidth
1%
Gain = 2,
See Figure 11
Gain = 2,
THD = 2%,
10
1.4
65
kHz
MHz
dB
See Figure 11
B
1
Unity-gain bandwidth
Open Loop,
See Figure 16
f = 1 kHz,
See Figure 2
C
= 1 µF,
B
Supply ripple rejection ratio
Gain = 1,
C
= 0.1 µF,
B
V
n
Noise output voltage
15
µV(rms)
R
= 32 Ω,
See Figure 20
L
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
