Datasheet

TPA2001D1
1-W FILTERLESS MONO CLASS-D AUDIO POWER AMPLIFIER
SLOS338D – SEPTEMBER 2000 – REVISED DECEMBER 2002
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, PV
DD
= 3.3 V, T
A
= 25°C (unless
otherwise noted)
PARAMETER TEST CONDITIONS
MIN TYP MAX UNIT
|V
OS
| Output offset voltage (measured differentially) V
I
= 0 V, A
V
= any gain 25 mV
PSRR Power supply rejection ratio PV
DD
= 3.2 V to 3.4 V 61 dB
|I
IH
| High-level input current PV
DD
= 3.3 V, V
I
= PV
DD
1
µA
|I
IL
| Low-level input current PV
DD
= 3.3 V, V
I
= 0 V 1
µA
I
DD
Supply current, no filter (with or without speaker
load)
4 6 mA
I
DD(SD)
Supply current, shutdown mode 0.05 20
µA
operating characteristics, PV
DD
= 3.3 V, T
A
= 25°C, R
L
= 8 Ω, gain = 6 dB (unless otherwise noted)
PARAMETER TEST CONDITIONS
MIN TYP MAX UNIT
P
O
Output power THD = 1%, f = 1 kHz 400 mW
THD + N Total harmonic distortion plus noise P
O
= 55 mW, f = 20 Hz to 20 kHz
<0.1%
B
OM
Maximum output power bandwidth THD = 0.7% 20 kHz
k
SVR
Supply ripple rejection ratio f = 1 kHz,
C
(BYP)
= 1 µF
61 dB
SNR Signal-to-noise ratio 93 dB
V
n
Output noise voltage (no noise weighting filter)
C
(BYP)
= 1 µF, f = <10 Hz to 22 kHz
40
µV(rms)
Z
I
Input impedance
>15 kΩ