ADS8353 Datasheet, PDF (22/71 Pages) Texas Instruments – Simultaneous-Sampling, Analog-to-Digital Converters

ADS8353, ADS7853, ADS7253
SBAS584B – OCTOBER 2013 – REVISED AUGUST 2014
www.ti.com
7.13 Typical Characteristics: ADS7253
At T_A = 25°C, AVDD = 5 V, DVDD = 3.3 V, V_REF = 2.5 V (internal), and f_DATA = 1 MSPS, unless otherwise noted.
0
±20
±40
±60
±80
±100
±120
±140
±160
±180
±200
0
100
f_IN = 2 kHz
16-CLK interface
200
300
Input Frequency (kHz)
SNR = 73.2 dB
400
500
C001
THD = –90.5 dB
Figure 52. Typical FFT
0
±20
±40
±60
±80
±100
±120
±140
±160
±180
±200
0
100
f_IN = 2 kHz
32-CLK interface
200
300
Input Frequency (kHz)
SNR = 73.6 dB
400
500
C051
THD = –91.6 dB
Figure 54. Typical FFT
74
73.5
32 CLK Mode
73
16 CLK Mode
72.5
72
71.5
71
70.5
70
±40
±7
26
59
92
125
Free-Air Temperature (^oC)
C003
f_IN = 2 kHz
Figure 56. SNR vs Temperature
0
±20
±40
±60
±80
±100
±120
±140
±160
±180
±200
0
100
f_IN = 250 kHz
16-CLK interface
200
300
Input Frequency (kHz)
SNR = 73.1 dB
400
500
C002
THD = –90.1 dB
Figure 53. Typical FFT
0
±20
±40
±60
±80
±100
±120
±140
±160
±180
±200
0
100
f_IN = 250 kHz
32-CLK interface
200
300
Input Frequency (kHz)
SNR = 73.4 dB
400
500
C052
THD = –90.6 dB
Figure 55. Typical FFT
74
73.5
73
72.5
72
71.5
71
70.5
70
±40
±7
26
59
92
125
Free-Air Temperature (^oC)
C004
f_IN = 2 kHz
Figure 57. SINAD vs Temperature
22
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