TYPICAL PERFORMANCE CURVES
At +V
S
= +5V, –V
S
= –15V, and T
A
= +25°C, unless otherwise noted. All plots use 1024 point FFTs.
FREQUENCY SPECTRUM (10kHz f
IN
)
0
–20
0
FREQUENCY SPECTRUM (50kHz f
IN
)
f
IN
= 50kHz
f
SAMPLING
= 330kHz
T
A
= 25°C
f
IN
= 10kHz
f
SAMPLING
= 330kHz
T
A
= 25°C
Magnitude (dB)
0
150 165
–20
–40
–60
–80
–100
–120
Magnitude (dB)
–40
–60
–80
–100
–120
50
100
Frequency (kHz)
0
50
100
Frequency (kHz)
150 165
SIGNAL/(NOISE + DISTORTION) vs
INPUT FREQUENCY AND AMBIENT TEMPERATURE
75
Spurious Free Dynamic Range (dB)
SPURIOUS FREE DYNAMIC RANGE vs
INPUT FREQUENCY AND AMBIENT TEMPERATURE
95
90
85
80
75
70
65
5°C
+2
5°
+1
C
25
°C
–5
Signal/(Noise + Distortion) (dB)
–55°C
70
+2
5°
C
2
+1
5°C
65
1
10
Input Frequency (kHz)
50
150
1
10
Input Frequency (kHz)
50
150
SIGNAL/(NOISE + DISTORTION) vs
FREQUENCY AND AMPLITUDE
80
SPURIOUS FREE DYNAMIC RANGE vs
INPUT FREQUENCY AND NEGATIVE SUPPLY VOLTAGE
95
Signal/(Noise + Distortion) (dB)
0dB
60
–20dB
40
–40dB
20
–60dB
0
1
10
Input Frequency (kHz)
50
150
Spurious Free Dynamic Range (dB)
90
85
80
75
70
65
1
10
Input Frequency (kHz)
–V
S
= –12V
–V
S
= –15V
50
150
®
5
ADS7800
BURR-BROWN [ BURR-BROWN CORPORATION ]
