Datasheet

ADAS3022 Data Sheet
Rev. B | Page 18 of 40
2.00
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90
VIO CURRENT (mA)
TEMPERATURE (°C)
GAIN = 0.2
GAIN = 0.4
GAIN = 0.8
GAIN = 1.6
GAIN = 3.2
GAIN = 6.4
f
S
= 1000kSPS
10516-145
Figure 42. VIO Current vs. Temperature
80
82
84
86
88
90
92
94
96
98
100
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90
SNR (dB)
TEMPERATURE (°C)
GA
IN =
0.2
GAIN = 0.16
GAIN = 0.4
GAIN = 0.8
GAI
N = 1
.6
GAIN = 3.2
GAI
N = 6.4
f
S
= 1000kSPS
10516-147
Figure 43. SNR vs. Temperature
–120
–115
–110
–105
–100
–95
–90
–85
–80
–50
–40 –30 –20 –10 0
10
20
30
40 50 60
70
80 90
THD (dB)
TEMPERATURE (°C)
GAIN = 0.2
GAIN = 0.16
GAIN = 0.4
GAIN = 0.8
GAIN = 1.6
GAIN = 3.2
GAIN = 6.4
10516-148
Figure 44. THD vs. Temperature
–5
–4
–3
–2
–1
0
1
2
3
4
5
–50 –40 –30 –20
–10 0
10 20
30
40
50
60
70
80
90
GAIN ERROR (LSB)
TEMPERATURE (°C)
GAIN = 0.2
GAIN = 0.16
GAIN = 0.4
GAIN = 0.8
GAIN = 1.6
GAIN = 3.2
GAIN = 6.4
10516-149
f
S
= 1000
kSPS
EXTERNAL REFERENCE
Figure 45. Gain Error vs. Temperature
–12
–8
–4
0
4
8
12
–50 –40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90
OFFSET ERROR (LSB)
TEMPERATURE (°C)
GA
IN
=
0.
2
G
AI
N
=
0
.
16
G
A
I
N
=
0
.4
GA
I
N =
0
.8
G
A
I
N
=
1
.6
G
A
IN
= 3
.
2
G
A
I
N
= 6
.
4
f
S
= 1000kSPS
EXTERNA
L
REFERENCE
10516-150
Figure 46. Offset Error vs. Temperature
–5
–4
–3
–2
–1
0
1
2
3
4
5
–50 –40 –30 –20 –10 0 10
20
30 40
50
60
70
80
90
ERROR (LSB)
TEMPERATURE (°C)
f
S
=
1000kSPS
EXTERNAL
REFERENCE
GAIN ERROR
OFFSET ERROR
10516-151
Figure 47. Offset and Gain Errors of the AUX ADC Channel Pair vs. Temperature