Datasheet

AD9218
Rev. C | Page 16 of 28
30
35
40
45
50
55
60
65
70
75
(dB)
4312056
ENCODE POSITIVE PULSEWIDTH (ns)
02001-032
78
SFDR
SINAD
40
45
50
55
60
65
70
75
(dB)
02001-035
02468101214
ENCODE POSITIVE PULSEWIDTH (ns)
SFDR
SINAD
Figure 32. SINAD and SFDR vs. Encode Pulse Width High, A
IN
= –0.5 dBFS
Single-Ended, 1 V p-p Analog Input Range 105 MSPS
Figure 35. SINAD and SFDR vs. Encode Pulse Width High, A
IN
= –0.5 dBFS
Single-Ended, 1 V p-p Analog Input Range 65 MSPS
80
100
120
140
160
180
200
(mA)
02001-033
0 20 40 60 80 100 120 140
ENCODE CLOCK RATE (MSPS)
IV
D
– 105
IV
D
– 65
–65/–105 IV
DD
0
5
10
15
20
25
30
35
40
45
50
IV
DD
(mA)
2.0
2.5
3.0
3.5
4.0
4.5
(%)
020–40 –20 40 60 80
TEMPERATURE (°C)
02001-036
GAIN –105
GAIN –65
Figure 36. Gain Error vs. Temperature, A
Figure 33. IV
D
and IV
DD
vs. Encode Rate (A
IN
= 10.3 MHz, @ –0.5 dBFS),
–65 MSPS/–105 MSPS Grade CI = 5 pF
IN
= 10.3 MHz, –65 MSPS Grade,
–105 MSPS Grade, 1 V p-p
52
54
56
58
60
62
(dB)
64
66
68
020–40 –20 40 60 80
TEMPERATURE (°C)
02001-037
SFDR –65
SFDR –105
SNR –65
SNR –105
SINAD –65
SINAD –105
1.119
1.121
1.123
1.125
1.127
1.129
1.131
(V)
020–40 –20 40 60 80
TEMPERATURE (°C)
02001-034
Figure 37. SNR, SINAD, SFDR vs. Temperature, A
Figure 34. V
REF
Output Voltage vs. Temperature (I
LOAD
= 300 μA)
IN
= 10.3 MHz,
–65 MSPS Grade, –105 MSPS Grade, 1 V p-p