Datasheet

TPA2011D1
www.ti.com SLOS626A –DECEMBER 2009–REVISED MAY 2010
ELECTRICAL CHARACTERISTICS
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 1 5 mV
differentially)
|I
IH
| High-level input current V
DD
= 5.5 V, V
EN
= 5.5 V 50 mA
|I
IL
| Low-level input current V
DD
= 5.5 V, V
EN
= 0 V 1 mA
V
DD
= 5.5 V, no load 1.8 2.5
I
(Q)
Quiescent current V
DD
= 3.6 V, no load 1.5 2.3 mA
V
DD
= 2.5 V, no load 1.3 2.1
I
(SD)
Shutdown current V
EN
= 0.35 V, V
DD
= 2.5 V to 5.5 V 0.1 2 mA
R
O, SD
Output impedance in shutdown mode V
EN
= 0.35 V 2 kΩ
f
(SW)
Switching frequency V
DD
= 2.5 V to 5.5 V 250 300 350 kHz
A
V
Gain V
DD
= 2.5 V to 5.5 V, R
I
in kΩ 285/R
I
300/R
I
315/R
I
V/V
R
EN
Resistance from EN to GND 300 kΩ
OPERATING CHARACTERISTICS
V
DD
= 3.6 V, T
A
= 25°C, A
V
= 2 V/V, R
L
= 8 Ω (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
DD
= 5 V 3.24
THD + N = 10%, f = 1 kHz, R
L
= 4 Ω V
DD
= 3.6 V 1.62 W
V
DD
= 2.5 V 0.70
V
DD
= 5 V 2.57
THD + N = 1%, f = 1 kHz, R
L
= 4 Ω V
DD
= 3.6 V 1.32 W
V
DD
= 2.5 V 0.57
P
O
Output power
V
DD
= 5 V 1.80
THD + N = 10%, f = 1 kHz, R
L
= 8 Ω V
DD
= 3.6 V 0.91 W
V
DD
= 2.5 V 0.42
V
DD
= 5 V 1.46
THD + N = 1%, f = 1 kHz, R
L
= 8 Ω V
DD
= 3.6 V 0.74 W
V
DD
= 2.5 V 0.33
V
DD
= 3.6 V, Inputs AC grounded A-weighting 20
V
n
Noise output voltage mV
RMS
with C
I
= 2mF, f = 20 Hz to 20 kHz
No weighting 25
V
DD
= 5.0 V, P
O
= 1.0 W, f = 1 kHz, R
L
= 8 Ω 0.11%
V
DD
= 3.6 V, P
O
= 0.5 W, f = 1 kHz, R
L
= 8 Ω 0.05%
V
DD
= 2.5 V, P
O
= 0.2 W, f = 1 kHz, R
L
= 8 Ω 0.05%
Total harmonic distortion plus
THD+N
noise
V
DD
= 5.0 V, P
O
= 2.0 W, f = 1 kHz, R
L
= 4 Ω 0.23%
V
DD
= 3.6 V, P
O
= 1.0 W, f = 1 kHz, R
L
= 4 Ω 0.07%
V
DD
= 2.5 V, P
O
= 0.4 W, f = 1 kHz, R
L
= 4 Ω 0.06%
V
DD
= 3.6 V, Inputs AC grounded with C
I
= 2 mF,
PSRR AC power supply rejection ratio 86 dB
200 mV
pp
ripple, f = 217 Hz
CMRR Common mode rejection ratio V
DD
= 3.6 V, V
IC
= 1 V
PP
, f = 217 Hz 79 dB
T
SU
Startup time from shutdown V
DD
= 3.6 V 4 ms
V
DD
= 3.6 V, V
O+
shorted to VDD 2
V
DD
= 3.6 V, V
O–
shorted to VDD 2
Overcurrent protection
I
OC
V
DD
= 3.6 V, V
O+
shorted to GND 2 A
threshold
V
DD
= 3.6 V, V
O–
shorted to GND 2
V
DD
= 3.6 V, V
O+
shorted to V
O–
2
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