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ADS7841EG4 Datasheet(PDF) 5 Page - Texas Instruments

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Part No. ADS7841EG4
Description  12-Bit, 4-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
Download  19 Pages
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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ADS7841EG4 Datasheet(HTML) 5 Page - Texas Instruments

 
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ADS7841
5
SBAS084B
TYPICAL CHARACTERISTICS: +5V
At TA = +25°C, +VCC = +5V, VREF = +5V, fSAMPLE = 200kHz, and fCLK = 16 • fSAMPLE = 3.2MHz, unless otherwise noted.
0
–20
–40
–60
–80
–100
–120
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 1,123Hz, –0.2dB)
0
100
25
75
50
Frequency (kHz)
0
–20
–40
–60
–80
–100
–120
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 10.3kHz, –0.2dB)
0
100
25
75
50
Frequency (kHz)
12.0
11.8
11.6
11.4
11.2
11.0
EFFECTIVE NUMBER OF BITS
vs INPUT FREQUENCY
10
1
100
Input Frequency (kHz)
CHANGE IN SIGNAL-TO-(NOISE+DISTORTION)
vs TEMPERATURE
–20
–40
100
Temperature (°C)
0.4
0.2
0.0
–0.2
–0.4
–0.6
0.6
0
20
40
60
80
f
IN = 10kHz, –0.2dB
SIGNAL-TO-NOISE RATIO AND SIGNAL-TO-
(NOISE+DISTORTION) vs INPUT FREQUENCY
10
1
100
Input Frequency (kHz)
74
73
72
71
70
69
68
SINAD
SNR
SPURIOUS-FREE DYNAMIC RANGE AND TOTAL
HARMONIC DISTORTION vs INPUT FREQUENCY
10
1
100
Input Frequency (kHz)
85
80
75
70
65
–85
–80
–75
–70
–65
THD
SFDR


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