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ADS1174IPAPR датащи(PDF) 3 Page - Texas Instruments

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номер детали ADS1174IPAPR
подробное описание детали  Quad/Octal, Simultaneous Sampling, 16-Bit Analog-to-Digital Converters
PDF  35 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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ADS1174IPAPR датащи(HTML) 3 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
ADS1174
ADS1178
SBAS373 – OCTOBER 2007
All specifications at TA = –40°C to +105°C, AVDD = +5V, DVDD = +1.8V, IOVDD = +3.3V, fCLK = 27MHz, VREFP = 2.5V,
VREFN = 0V, and all channels active, unless otherwise noted.
ADS1174, ADS1178
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ANALOG INPUTS
Full-scale input voltage (FSR(1))
VIN = (AINP – AINN)
±VREF
V
Absolute input voltage
AINP or AINN to AGND
AGND – 0.1
AVDD + 0.1
V
Common-mode input voltage
VCM = (AINP + AINN)/2
2.5
V
High-Speed mode
28
k
Ω
Differential input impedance
Low-Power mode
140
k
Ω
DC PERFORMANCE
Resolution
No missing codes
16
Bits
High-Speed mode
52,734
SPS
Data rate (fDATA)
Low-Power mode
10,547
SPS
Integral nonlinearity (INL)
Differential input
0.5
TBD
LSB
Offset error
0.150
TBD
mV
Offset drift
1.8
μV/
°C
Offset match
TBD
mV
Gain error
0.1
TBD
%
Gain drift
2
ppm/
°C
Gain match
TBD
%
Noise
Shorted input
1
TBD
LSBPP
Common-mode rejection
fCM = 60Hz
100
dB
AVDD
f = 60Hz
80
dB
Power-supply rejection
DVDD
f = 60Hz
80
dB
AC PERFORMANCE
Crosstalk
VIN = 1kHz, –0.5dBFS
107
dB
Sampling aperture match
200
ps
Signal-to-noise ratio (SNR) (unweighted)
97
dB
Total harmonic distortion (THD)(2)
High-Speed mode
VIN = 1kHz, –0.5dBFS
–105
dB
Spurious-free dynamic range
–108
dB
Passband ripple
±0.005
dB
Passband
0.453 fDATA
Hz
–3dB Bandwidth
0.49 fDATA
Hz
Stop band attenuation
100
dB
Stop band
0.547 fDATA
63.453 fDATA
Hz
Group delay
38/fDATA
s
Settling time (latency)
Complete settling
76/fDATA
s
(1)
FSR = full-scale range = 2VREF
(2)
THD includes the first nine harmonics of the input signal.
Copyright © 2007, Texas Instruments Incorporated
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Product Folder Link(s): ADS1174 ADS1178



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