ADS-230 Datasheet, PDF (10/12 Pages) Murata Power Solutions Inc. – Low-Power, 12-Bit, 1.0/1.5MHz Sampling A/D Converter

ADS-230/ADS-231
®
®
80
70
60
50
40
30
20
10
0
10
SINAD vs. Input Frequency
(Through Mux)
100
fIN (kHz)
1000
80
70
60
50
40
30
20
10
0
10
SNR vs. Input Frequency
(Through Mux)
100
fIN (kHz)
1000
–80
–70
–60
–50
–40
–30
–20
–10
0
10
THD vs. Input Frequency
(Through Mux)
100
fIN (kHz)
1000
Note: Unless otherwise stated, the
following conditions apply:
DVS = AVS = 5.0V
TA = 25°C
fS = 1.5MHz
fIN = 0dB from full scale
SNR and THD
vs. Source Impedance
85
SNR
80
THD
75
70
65
60
fIN = 100kH
55
50
10
100
1000
10000
SOURCE IMPEDANCE (Ω)
SNR and THD
vs. Reference Voltage
90
80
70
60
fIN = 100kH
50
40
30
20
SNR
10
THD
0
0
1
2
3
4
REFERENCE VOLTAGE (VT – VB)(V)
Conversion Time
vs. Temperature
630
620
610
600
5.5V
590
5.0V
580
4.5V
570
–55 –35 –15 5 25 45 65 85 105 125
AMBIENT TEMPERATURE (°C)
0dB
–20dB
–40dB
–60dB
–80dB
–100dB
FFT
100 200 300 400 500
FREQUENCY (kHz)
80
70
60
50
40
30
20
10
0
10
SINAD vs. Input Frequency
(Analog In)
100
fIN (kHz)
1000
SNR vs. Input Frequency
(Analog In)
80
–90
70
–80
60
–70
50
–60
–50
40
–40
30
–30
20
–20
10
–10
0
0
10
100
1000
10
fIN (kHz)
Typical Performance Curves for ADS-231
THD vs. Input Frequency
(Analog In)
100
fIN (kHz)
1000
10