Datasheet

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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA2000D2
SLOS291F – MARCH 2000 – REVISED MARCH 2007
MIN TYP MAX UNIT
V
DD
, PV
DD
Supply voltage 4.5 5.5 V
V
IH
High-level input voltage GAIN0, GAIN1, SHUTDOWN 2 V
V
IL
Low-level input voltage GAIN0, GAIN1, SHUTDOWN 0.8 V
R
OSC
Oscillator resistance 120 k Ω
C
OSC
Oscillator capacitance 220 pF
f
s
Switching frequency 200 300 kHz
T
A
Operating free-air temperature -40 85 °C
T
A
= 25°C, V
DD
= PV
DD
= 5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
| V
OO
| Output offset voltage (measured differentially) V
I
= 0 V 25 mV
PSRR Power supply rejection ratio V
DD
=PV
DD
= 4.5 V to 5.5 V -77 dB
I
IH
High-level input current V
DD
=PV
DD
= 5.5 V, V
I
= V
DD
= PV
DD
1 µA
I
IL
Low-level input current V
DD
=PV
DD
= 5.5 V, V
I
= 0 V 1 µA
I
DD
Supply current No filter (with or without speaker load) 8 10 mA
I
DD
Supply current With filter, L = 22 µH, C = 1 µF 15 mA
I
DD(SD)
Supply current, shutdown mode 1 15 µA
T
A
= 25°C, V
DD
= PV
DD
= 5 V, R
L
= 4 Ω , Gain = 8 dB (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
P
O
Output power THD = 0.1%, f = 1 kHz, R
L
= 3 Ω 2 W
THD+N Total harmonic distortion plus noise P
O
= 1 W, f = 20 Hz to 20 kHz <0.5%
B
OM
Maximum output power bandwidth THD = 5% 20 kHz
k
SVR
Supply ripple rejection ratio f = 1 kHz, C
(BYPASS)
= 0.4 µF -60 dB
SNR Signal-to-noise ratio 87 dBV
Integrated noise floor 20 Hz to 20 kHz, No input 56 µV
Z
I
Input impedance >20 k Ω
Table 1. Gain Settings
AMPLIFIER GAIN INPUT IMPEDANCE
(dB) (k Ω )
GAIN1 GAIN0
TYP TYP
0 0 8 104
0 1 12 74
1 0 17.5 44
1 1 23.5 24
4
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