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AD9218-65PCB_01 View Datasheet(PDF) - Analog Devices

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AD9218-65PCB_01 Datasheet PDF : 24 Pages
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AD9218
DIGITAL SPECIFICATIONS (VDD = 3.0 V, VD = 3.0 V; external reference, unless otherwise noted.)
Parameter
Test
AD9218BST-40/-65
Temp Level Min
Typ
Max
AD9218BST-80/-105
Min
Typ
Max Unit
DIGITAL INPUTS
Encode Input Common Mode
Full V
Encode “1” Voltage
Full VI
Encode “0” Voltage
Full VI
Encode Input Resistance
Full VI
Logic “1” Voltage—S1, S2, DFS
Full VI
Logic “0” Voltage—S1, S2, DFS
Full VI
Logic “1” Current—S1
Full VI
Logic “0” Current—S1
Full VI
Logic “1” Current—S2
Full VI
Logic “0” Current—S2
Full VI
Logic “1” Current—DFS
Full VI
Logic “0” Current—DFS
Full VI
Input Capacitance—S1, S2, Encode Inputs 25°C V
Input Capacitance DFS
25°C V
DIGITAL OUTPUTS
Logic “1” Voltage
Logic “0” Voltage
Output Coding
Full VI
Full VI
VD/2
2
0.8
1.8
2.0
2.3
2
0.8
–50
± 10
+50
–400
–230
–50
50
230
400
–50
± 10
+50
30
100
200
–400
–230
–50
2
4.5
2.45
0.05
Two’s Comp. or Offset Binary
2
1.8
2
–50
–400
50
–50
30
–400
VD/2
2.0
± 10
–230
230
± 10
100
–230
2
4.5
V
V
0.8 V
2.3 k
V
0.8 V
+50 µA
–50 µA
400 µA
+50 µA
200 µA
–50 µA
pF
pF
2.45
V
0.05 V
Two’s Comp. or Offset Binary
Specifications subject to change without notice.
AC SPECIFICATIONS (VDD = 3.0 V, VD = 3.0 V; external reference, unless otherwise noted.)
Parameter
Test
AD9218BST-40/-65
Temp Level Min
Typ
Max
AD9218BST-80/-105
Min
Typ Max
Unit
DYNAMIC PERFORMANCE1
Signal-to-Noise Ratio (SNR)
(Without Harmonics)
fIN = 10.3 MHz
fIN = Nyquist2
Signal-to-Noise Ratio (SINAD)
(With Harmonics)
fIN = 10.3 MHz
fIN = Nyquist2
Effective Number of Bits
fIN = 10.3 MHz
fIN = Nyquist2
Second Harmonic Distortion
fIN = 10.3 MHz
fIN = Nyquist2
Third Harmonic Distortion
fIN = 10.3 MHz
fIN = Nyquist2
Spurious Free Dynamic Range SFDR
fIN = 10.3 MHz
fIN = Nyquist2
Two-Tone Intermod Distortion (IMD)
fIN1 = 10 MHz, fIN2 = 11 MHz
at –7 dBFS
fIN1 = 30 MHz, fIN2 = 31 MHz
at –7 dBFS
Analog Bandwidth, Full Power
Crosstalk
25°C I
25°C I
25°C I
25°C I
25°C I
25°C I
25°C I
25°C I
25°C I
25°C I
25°C I
25°C I
25°C V
25°C V
25°C V
25°C V
58/55
-/54
59/57
59/56
58/54
-/53
59/56
59/55
9.4/8.8 9.6/9.1
-/8.6
9.6/8.9
–72/–66 –89/–77
-/–63 –89/–72
–68/–62 –79/–68
-/–60 –78/–64
–68/–62 –79/–67
-/–60 –78/–64
–74/–73
–73/–73
300
–75
57/53
55/52
58/55
57/54
56/52
55/51
58/53
57/53
9.1/8.4
9/8.3
9.4/8.6
9.3/8.6
–69/–60 –77/–68
–65/–57 –76/–66
–62/–57 –71/–63
–63/–57 –73/–69
–62/–57 –69/–62
–63/–57 –70/–63
–77/–67
300
–75
dB
dB
dB
dB
Bits
Bits
dBc
dBc
dBc
dBc
dBc
dBc
dBc
dBc
MHz
dBc
NOTES
1AC specs based on an analog input voltage of –0.5 dBFS at 10.3 MHz unless otherwise noted. AC specs for -40, -80, -105 grades are tested in 1 V p-p range and
driven differentially. AC specs for -65 grade are tested in 2 V p-p range and driven differentially.
2The -65, -80, and -105 grades are tested close to Nyquist for that grade: 31 MHz, 39 MHz, and 51 MHz for the -65, -80, and -105 grades respectively.
Specifications subject to change without notice.
REV. 0
–3–
 

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