®
®
ADS-230/ADS-231
SNR vs. Input Frequency
(Through Mux)
80
70
60
50
dB
40
30
20
10
0
dB
–80
–70
–60
–50
–40
–30
–20
–10
0
10
100
f
IN
(kHz)
1000
10
100
f
IN
(kHz)
1000
THD vs. Input Frequency
(Through Mux)
SINAD vs. Input Frequency
(Through Mux)
80
70
60
50
dB
40
30
20
10
0
10
100
f
IN
(kHz)
1000
SNR and THD
vs. Source Impedance
90
SNR
THD
80
80
70
60
SNR and THD
vs. Reference Voltage
f
IN
= 100kHz
70
dB
dB
60
50
f
IN
= 100kHz
10
100
1000
10000
50
40
30
20
10
40
0
0
1
2
3
4
REFERENCE VOLTAGE (V
T
– V
B
)(V)
SNR
THD
Note: Unless otherwise stated, the
following conditions apply:
DV
S
= AV
S
= 5.0V
T
A
= 25°C
f
S
= 1.0MHz
f
IN
= 0dB from full scale
SOURCE IMPEDANCE (Ω)
Conversion Time
vs. Temperature
810
800
CONVERSION TIME (ns)
790
780
770
760
5.0V
750
740
4.5V
730
–55 –35 –15 5
25 45 65 85 105 125
–80dB
–100dB
5.5V
0dB
–20dB
–40dB
–60dB
FFT
100
200
300
400
500
AMBIENT TEMPERATURE (°C)
FREQUENCY (kHz)
SINAD vs. Input Frequency
(Analog In)
80
70
60
50
dB
dB
40
30
20
10
0
10
100
f
IN
(kHz)
1000
80
70
60
50
40
30
20
10
0
10
SNR vs. Input Frequency
(Analog In)
–90
–80
–70
–60
dB
–50
–40
–30
–20
–10
0
100
f
IN
(kHz)
1000
10
THD vs. Input Frequency
(Analog In)
100
f
IN
(kHz)
1000
Typical Performance Curves for ADS-230
9
MURATA-PS [ MURATA POWER SOLUTIONS INC. ]
