TPA122
150-mW STEREO AUDIO POWER AMPLIFIER
SLOS211C – AUGUST1998 – REVISED MARCH 2000
ac operating characteristics, V
= 3.3 V, T = 25°C, R = 32 Ω
DD
A
L
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
†
P
Output power (each channel)
Total harmonic distortion + noise
Maximum output power BW
Phase margin
THD ≤ 0.1%
= 30 mW,
40
mW
O
THD+N
P
O
20–20 kHz
THD <2%
0.5%
>20
58°
68
B
OM
G = 10,
kHz
Open loop
f = 1 kHz
f = 1 kHz
Supply ripple rejection
dB
dB
Channel/channel output separation
Signal-to-noise ratio
86
SNR
P
O
= 100 mW
100
9.5
dB
V
n
Noise output voltage
µV(rms)
†
Measured at 1 kHz
ac operating characteristics, V
= 5 V, T = 25°C, R = 32 Ω
A L
DD
PARAMETER
TEST CONDITIONS
THD ≤ 0.1%
= 60 mW,
MIN
TYP
40†
0.4%
>20
56°
68
MAX
UNIT
P
O
Output power (each channel)
Total harmonic distortion + noise
Maximum output power BW
Phase margin
mW
THD+N
P
O
20–20 kHz
THD <2%
B
OM
G = 10,
kHz
Open loop
f = 1 kHz
f = 1 kHz
Supply ripple rejection
dB
dB
Channel/channel output separation
Signal-to-noise ratio
86
SNR
P
O
= 150 mW
100
9.5
dB
V
n
Noise output voltage
µV(rms)
†
Measured at 1 kHz
4
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