Datasheet

ADS1202
8
SBAS275B
www.ti.com
TYPICAL CHARACTERISTICS (Cont.)
V
DD
= 5V, +In = –250mV to 250mV, –In = 0V, and MCLK = 10MHz, unless otherwise noted.
SPURIOUS-FREE DYNAMIC RANGE
AND TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY (Mode 0)
110
Input Frequency (kHz)
SFDR
THD
SFDR (dB)
THD (dB)
110
100
90
80
70
60
50
–110
–100
–90
–80
–70
–60
–50
OSR = 256
Sinc
3
Filter
SPURIOUS-FREE DYNAMIC RANGE
AND TOTAL HARMONIC DISTORTION
vs INPUT FREQUENCY (Mode 3)
110
Input Frequency (kHz)
SFDR
THD
SFDR (dB)
THD (dB)
110
100
90
80
70
60
50
–110
–100
–90
–80
–70
–60
–50
OSR = 256
Sinc
3
Filter
802 641014161812 20
Frequency (kHz)
Magnitude (dB)
0
–20
–40
–60
–80
–100
–120
–140
FREQUENCY SPECTRUM
(4096 Point FFT, f
IN
= 1kHz, 0.5Vp-p)
Mode 0
FREQUENCY SPECTRUM
(4096 Point FFT, f
IN
= 5kHz, 0.5Vp-p)
802 641014161812 20
Frequency (kHz)
Magnitude (dB)
0
–20
–40
–60
–80
–100
–120
–140
Mode 0
CLOCK FREQUENCY vs TEMPERATURE
–40 –20 0 20 40 60 80 100 120
Temperature (°C)
MCLK (MHz)
10.5
10.2
9.9
9.6
9.3
9.0
COMMON-MODE REJECTION RATIO
vs FREQUENCY
110100
Frequency of Power Supply (kHz)
CMRR (dB)
100
95
90
85
80
75
70
65
60
55
50