Datasheet

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RECOMMENDED OPERATING CONDITIONS
ELECTRICAL CHARACTERISTICS
OPERATING CHARACTERISTICS
TPA6021A4
SLOS465 JUNE 2005
MIN MAX UNIT
V
SS
Supply voltage, V
DD
, PV
DD
4 5.5 V
SE/ BTL, FADE 0.8 x V
DD
V
V
IH
High-level input voltage
SHUTDOWN 2 V
SE/ BTL, FADE 0.6 x V
DD
V
V
IL
Low-level input voltage
SHUTDOWN 0.8 V
T
A
Operating free-air temperature –40 85 ° C
T
A
= 25 ° C, V
DD
= PV
DD
= 5.5 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
DD
= 5.5 V, Gain = 0 dB, SE/ BTL = 0 V 30 mV
| V
OO
| Output offset voltage (measured differentially)
V
DD
= 5.5 V, Gain = 20 dB, SE/ BTL = 0 V 50 mV
PSRR Power supply rejection ratio V
DD
= PV
DD
= 4 V to 5.5 V –42 –70 dB
High-level input current (SE/ BTL, FADE, SHUT- V
DD
= PV
DD
= 5.5 V,
| I
IH
| 1 µA
DOWN, VOLUME) V
I
= V
DD
= PV
DD
Low-level input current (SE/ BTL, FADE, SHUT-
| I
IL
| V
DD
= PV
DD
= 5.5 V, V
I
= 0 V 1 µA
DOWN, VOLUME)
V
DD
= PV
DD
= 5.5 V, SE/ BTL = 0 V,
6 7.5 9
SHUTDOWN = 2 V
I
DD
Supply current, no load mA
V
DD
= PV
DD
= 5.5 V, SE/ BTL = 5.5 V,
3 5 6
SHUTDOWN = 2 V
V
DD
= 5 V = PV
DD
, SE/ BTL = 0 V,
I
DD
Supply current, max power into a 4- load SHUTDOWN = 2 V, R
L
= 4 , 1.3 A
RMS
P
O
= 2 W, stereo
I
DD(SD)
Supply current, shutdown mode SHUTDOWN = 0 V 1 20 µA
T
A
= 25 ° C, V
DD
= PV
DD
= 5 V, R
L
= 4 , Gain = 20 dB, Stereo, External Heatsink (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
THD = 1%, f = 1 kHz 1.5
(1)
P
O
Output power W
THD = 10%, f = 1 kHz, V
DD
= 5 V 2
(1)
THD+N Total harmonic distortion + noise P
O
= 1 W, R
L
= 8 , f = 20 Hz to 20 kHz <0.8%
V
OH
High-level output voltage R
L
= 8 , Measured between output and V
DD
= 5.5 V 700 mV
R
L
= 8 , Measured between output and GND,
V
OL
Low-level output voltage 400 mV
V
DD
= 5.5 V
V
(Bypass)
Bypass voltage (Nominally V
DD
/2) Measured at pin 16, No load, V
DD
= 5.5 V 2.65 2.75 2.85 V
BTL –82 dB
Supply ripple rejection ratio f = 1 kHz, Gain = 0 dB, C
(BYP)
= 0.47 µF
SE –57 dB
f = 20 Hz to 20 kHz, Gain = 0 dB,
Noise output voltage BTL 36 µV
RMS
C
(BYP)
= 0.47 µF
Z
I
Input impedance (see Figure 18 ) VOLUME = 5 V 14 k
(1) Requires an external heatsink with θ
SA
25 ° C/W.
3