TYPICAL PERFORMANCE CURVES
At +VS = +5V, –VS = –15V, and TA = +25°C, unless otherwise noted. All plots use 1024 point FFTs.
FREQUENCY SPECTRUM (10kHz fIN
)
FREQUENCY SPECTRUM (50kHz fIN
fIN = 50kHz
)
0
–20
0
–20
fIN = 10kHz
SAMPLING = 330kHz
f
fSAMPLING = 330kHz
TA = 25°C
TA = 25°C
–40
–40
–60
–60
–80
–80
–100
–120
–100
–120
0
50
100
Frequency (kHz)
150 165
0
50
100
Frequency (kHz)
150 165
SIGNAL/(NOISE + DISTORTION) vs
INPUT FREQUENCY AND AMBIENT TEMPERATURE
SPURIOUS FREE DYNAMIC RANGE vs
INPUT FREQUENCY AND AMBIENT TEMPERATURE
75
70
65
95
90
85
80
75
70
65
–55°C
+25°C
+125°C
1
10
50
150
1
10
50
150
Input Frequency (kHz)
Input Frequency (kHz)
SPURIOUS FREE DYNAMIC RANGE vs
INPUT FREQUENCY AND NEGATIVE SUPPLY VOLTAGE
SIGNAL/(NOISE + DISTORTION) vs
FREQUENCY AND AMPLITUDE
95
90
85
80
75
70
65
80
60
40
20
0
0dB
–VS = –15V
–VS = –12V
–20dB
–40dB
–60dB
1
10
50
150
1
10
50
150
Input Frequency (kHz)
Input Frequency (kHz)
ADS7800
SBAS001A
5
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