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TPA2005D1-Q1 Datasheet(PDF) 3 Page - Texas Instruments

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Part No. TPA2005D1-Q1
Description  1.4-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
Download  24 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

TPA2005D1-Q1 Datasheet(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
V
V
2
142 kW
R
I
2
158 kW
R
I
2
150 kW
R
I
OPERATING CHARACTERISTICS
TPA2005D1-Q1
SLOS474 – AUGUST 2005
T
A = -40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output offset voltage
|VOS|
VI = 0 V, AV = 2 V/V, VDD = 2.5 V to 5.5 V
25
mV
(measured differentially)
PSRR
Power-supply rejection ratio
VDD = 2.5 V to 5.5 V
-75
-55
dB
VDD = 2.5 V to 5.5 V,
TA = 25°C
-68
-49
CMRR
Common-mode rejection ratio
VIC = VDD/2 to 0.5 V,
dB
TA = -40°C to 85°C
-35
VIC = VDD/2 to VDD - 0.8 V
|IIH|
High-level input current
VDD = 5.5 V, VI = 5.8 V
50
µA
|IIL|
Low-level input current
VDD = 5.5 V, VI = 0.3 V
4
µA
VDD = 5.5 V, no load
3.4
4.5
I(Q)
Quiescent current
VDD = 3.6 V, no load
2.8
mA
VDD = 2.5 V, no load
2.2
3.2
I(SD)
Shutdown current
V(SHUTDOWN) = 0.8 V, VDD = 2.5 V to 5.5 V
0.5
2
µA
VDD = 2.5 V
770
Static drain-source
rDS(on)
VDD = 3.6 V
590
m
on-state resistance
VDD = 5.5 V
500
Output impedance in
V(SHUTDOWN) = 0.8 V
>1
k
SHUTDOWN
f(sw)
Switching frequency
VDD = 2.5 V to 5.5 V
200
250
300
kHz
Gain
T
A = 25°C, Gain = 2 V/V, RL = 8 Ω (unless otherwise noted)
PARAMETER
TEST CONDITIOINS
MIN
TYP
MAX
UNIT
VDD = 5 V
1.18
THD + N= 1%, f = 1 kHz,
VDD = 3.6 V
0.58
W
RL = 8 Ω
VDD = 2.5 V
0.26
PO
Output power
VDD = 5 V
1.45
THD + N= 10%, f = 1 kHz,
VDD = 3.6 V
0.75
W
RL = 8 Ω
VDD = 2.5 V
0.35
PO = 1 W, f = 1 kHz, RL = 8 Ω
VDD = 5 V
0.18%
Total harmonic distortion plus
THD+N
PO = 0.5 W, f = 1 kHz, RL = 8 Ω
VDD = 3.6 V
0.19%
noise
PO = 200 mW, f = 1 kHz, RL = 8 Ω
VDD = 2.5 V
0.20%
f = 217 Hz, V(RIPPLE) = 200 mVpp,
kSVR
Supply ripple rejection ratio
VDD = 3.6 V
-71
dB
Inputs ac-grounded with Ci = 2 µF
SNR
Signal-to-noise ratio
PO= 1 W, RL = 8 Ω
VDD = 5 V
97
dB
No weighting
48
VDD = 3.6 V, f = 20 Hz to 20 kHz,
Vn
Output voltage noise
µV
RMS
Inputs ac-grounded with Ci = 2 µF
A weighting
36
CMRR
Common-mode rejection ratio
VIC = 1 Vpp , f = 217 Hz
VDD = 3.6 V
-63
dB
ZI
Input impedance
142
150
158
k
Start-up time from shutdown
VDD = 3.6 V
9
ms
3


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