Datasheet

ELECTRICAL CHARACTERISTICS
V
V
2
158 kW
R
I
2
142 kW
R
I
2
150 kW
R
I
OPERATING CHARACTERISTICS
TPA2005D1
www.ti.com ............................................................................................................................................................... SLOS369F – JULY 2002 – REVISED JULY 2008
T
A
= 25 ° C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Output offset voltage (measured
|V
OS
| V
I
= 0 V, A
V
= 2 V/V, V
DD
= 2.5 V to 5.5 V 25 mV
differentially)
PSRR Power supply rejection ratio V
DD
= 2.5 V to 5.5 V -75 -55 dB
V
DD
= 2.5 V to 5.5 V, V
IC
= V
DD
/2 to 0.5 V,
CMRR Common mode rejection ratio -68 -49 dB
V
IC
= V
DD
/2 to V
DD
- 0.8 V
|I
IH
| High-level input current V
DD
= 5.5 V, V
I
= 5.8 V 50 µ A
|I
IL
| Low-level input current V
DD
= 5.5 V, V
I
= 0.3 V 1 µ A
V
DD
= 5.5 V, no load 3.4 4.5
I
(Q)
Quiescent current V
DD
= 3.6 V, no load 2.8 mA
V
DD
= 2.5 V, no load 2.2 3.2
I
(SD)
Shutdown current V
(SHUTDOWN)
= 0.8 V, V
DD
= 2.5 V to 5.5 V 0.5 2 µ A
V
DD
= 2.5 V 770
Static drain-source on-state
r
DS(on)
V
DD
= 3.6 V 590 m Ω
resistance
V
DD
= 5.5 V 500
Output impedance in SHUTDOWN V
(SHUTDOWN)
= 0.8 V > 1 k Ω
f
(sw)
Switching frequency V
DD
= 2.5 V to 5.5 V 200 250 300 kHz
Gain
T
A
= 25 ° C, Gain = 2 V/V, R
L
= 8 Ω (unless otherwise noted)
PARAMETER TEST CONDITIOINS MIN TYP MAX UNIT
V
DD
= 5 V 1.18
THD + N= 1%, f = 1 kHz, R
L
= 8 Ω V
DD
= 3.6 V 0.58 W
V
DD
= 2.5 V 0.26
P
O
Output power
V
DD
= 5 V 1.45
THD + N= 10%, f = 1 kHz, R
L
= 8 Ω V
DD
= 3.6 V 0.75 W
V
DD
= 2.5 V 0.35
P
O
= 1 W, f = 1 kHz, R
L
= 8 Ω V
DD
= 5 V 0.18%
THD+N Total harmonic distortion plus noise P
O
= 0.5 W, f = 1 kHz, R
L
= 8 Ω V
DD
= 3.6 V 0.19%
P
O
= 200 mW, f = 1 kHz, R
L
= 8 Ω V
DD
= 2.5 V 0.20%
f = 217 Hz, V
(RIPPLE)
= 200 mV
pp
k
SVR
Supply ripple rejection ratio V
DD
= 3.6 V -71 dB
Inputs ac-grounded with C
i
= 2 µ F
SNR Signal-to-noise ratio P
O
= 1 W, R
L
= 8 Ω V
DD
= 5 V 97 dB
No weighting 48
V
DD
= 3.6 V, f = 20 Hz to 20 kHz,
V
n
Output voltage noise µ V
RMS
Inputs ac-grounded with C
i
= 2 µ F
A weighting 36
CMRR Common mode rejection ratio V
IC
= 1 V
pp
, f = 217 Hz V
DD
= 3.6 V -63 dB
Z
I
Input impedance 142 150 158 k Ω
Start-up time from shutdown V
DD
= 3.6 V 9 ms
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