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TPA2080D1YZGT Arkusz danych(PDF) 5 Page - Texas Instruments

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Numer części TPA2080D1YZGT
Szczegółowy opis  2.2 W Constant Output Power Class-D Audio Amplifier with Class-G Boost Converter
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI1 - Texas Instruments

TPA2080D1YZGT Arkusz danych(HTML) 5 Page - Texas Instruments

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TPA2080D1
www.ti.com
SLOS733
– JANUARY 2012
OPERATING CHARACTERISTICS
VBAT= 3.6 V, EN = VBAT, TA = 25°C, RL = 8 Ω + 33 μH (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
BOOST CONVERTER
IBOOST = 0 mA
5.4
5.75
6.4
V
PVDD
Boost converter output voltage range
IBOOST = 700 mA
5.6
V
Boost converter input current limit
Power supply current
1800
Boost converter starts up from full shutdown
600
IL
mA
Boost converter start-up current limit
Boost converter wakes up from auto-pass through
1000
mode
fBOOST
Boost converter frequency
1.2
MHz
CLASS-D AMPLIFIER
THD = 1%, VBAT = 2.5 V, f = 1 kHz
1440
THD = 1%, VBAT = 3.0 V, f = 1 kHz
1750
THD = 1%, VBAT = 3.6 V, f = 1 kHz
1900
THD = 1%, VBAT = 2.5 V, f = 1 kHz,
1460
PO
Output power
mW
RL = 4 Ω + 33 µH
THD = 1%, VBAT = 3.0 V, f = 1 kHz,
1800
RL = 4 Ω + 33 µH
THD = 1%, VBAT = 3.6 V, f = 1 kHz,
2280
RL = 4 Ω + 33 µH
AV
Voltage gain
19.5
20
20.5
dB
VOOS
Output offset voltage
2
10
mV
Short-circuit protection threshold
2
A
current
Input impedance (per input pin)
24
RIN
k
Input impedance in shutdown (per
EN = 0 V
1300
input pin)
ZO
Output impedance in shutdown
2
k
Maximum input voltage swing
EN = 0 V
2
VRMS
Boost converter auto-pass through
Class-D output voltage threshold when boost
2
VPK
threshold
converter automatically turns on
fCLASS-D
Class-D switching frequency
275
300
325
kHz
η
Class-D and boost combined efficiency PO = 500 mW, VBAT = 3.6 V
90%
A-weighted
49
EN
Noise output voltage
μVRMS
Unweighted
65
1.7 W, RL = 8 Ω + 33 µH. A-weighted
97.5
1.7 W, RL = 8 Ω + 33 µH. Unweighted
95
SNR
Signal-to-noise ratio
dB
2 W, RL = 4 Ω + 33 µH. A-weighted
95
2 W, RL = 4 Ω + 33 µH. Unweighted
93
PO = 100 mW, f = 1 kHz
0.06%
PO = 500 mW, f = 1 kHz
0.07%
THD+N
Total harmonic distortion plus noise(1)
PO = 1.7 W, f = 1 kHz, RL = 8 Ω + 33 µH
0.07%
PO = 2 W, f = 1 kHz, RL = 4 Ω + 33 µH
0.15%
200 mVPP square ripple, VBAT = 3.8 V, f = 217 Hz
62.5
AC
AC-Power supply ripple rejection
dB
PSRR
(output referred)
200 mVPP square ripple, VBAT = 3.8 V, f = 1 kHz
62.5
200 mVPP square ripple, VBAT = 3.8 V, f = 217 Hz
71
AC
AC-Common mode rejection ratio
dB
CMRR
(output referred)
200 mVPP square ripple, VBAT = 3.8 V, f = 1 kHz
71
(1)
A-weighted
Copyright
© 2012, Texas Instruments Incorporated
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Product Folder Link(s): TPA2080D1


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