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TAS2553 датащи(PDF) 6 Page - Texas Instruments

номер детали TAS2553
подробное описание детали  TAS2553 2.8-W Class-D Mono Audio Amplifier with Class-G Boost and Speaker Sense
PDF  58 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

TAS2553 датащи(HTML) 6 Page - Texas Instruments

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TAS2553
SLAS978B – SEPTEMBER 2013 – REVISED FEBRUARY 2014
www.ti.com
Electrical Characteristics (continued)
VBAT = 3.6 V, AVDD = IOVDD = 1.8 V, EN = IOVDD, SWS = 0, Gain = 15 dB, ERC = 14 ns, RL = 8 Ω + 33 µH, 48 kHz
sample rate for digital input (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
THD+N = 1%, VBAT = 3.0 V
2.8
Max Output Power, 8-
Ω Load
W
THD+N = 1%, VBAT = 3.6 V
2.8
Output Impedance in Shutdown
EN = 0 V
10
k
Ω
Analog/digital input measured from time
Startup Time
when device is taken out of software
8
mS
shutdown
Measured from time when device is
Shutdown Time
1
µS
programmed in software shutdown mode
INPUT SECTION
Full-scale DAC output
All digital interface modes
1.0
VRMS
Maximum analog input voltage
1.0
VRMS
EN = IOVDD, Amplifier active
10
Input impedance (terminals AIN+,
RIN
k
Ω
AIN-)
EN = 0 V, In shutdown
19
CURRENT SENSE
Peak current which will give full scale
Current Sense Full Scale
1.4
APEAK
digital output
Current Sense Accuracy
IOUT = 354 mARMS (1 W)
1%
Current Sense Offset
Input referred
0.0029
mA
Current Sense Gain Error
0.09
dB
THD+N
Distortion + Noise
Po = 1.0W (Load = 8
Ω + 33 µH)
0.17%
VOLTAGE SENSE
Peak voltage which will give full scale
Voltage Sense Full Scale
8.5
VPEAK
digital output
Voltage Sense Accuracy
VOUT = 2.83 Vrms (1W)
2.2%
Voltage Sense Offset
Input referred
1.45
mV
Voltage Sense Gain Error
-0.20
dB
THD+N
Distortion + Noise
Po = 1.0 W (Load = 8
Ω + 33μH)
0.08%
INTERFACE
FMCLK
MCLK frequency
0.512
49.15
MHz
FPDM
PDM Clock (IVCLK) Frequency Range
1.636
3.25
MHz
PDM Clock (IVCLK) Duty Cycle
PDMDC
40%
60%
Range
6
Submit Documentation Feedback
Copyright © 2013–2014, Texas Instruments Incorporated
Product Folder Links: TAS2553



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