AD9238-65PCB(RevA) Ver la hoja de datos (PDF) - Analog Devices
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AD9238-65PCB Datasheet PDF : 24 Pages
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AD9238
AC SPECIFICATIONS (AVDD = 3 V, DRVDD = 2.5 V, Maximum Sample Rate, CLK_A = CLK_B; AIN = –0.5 dBFS Differential Input,
1.0 V Internal Reference, TMIN to TMAX, unless otherwise noted.)
Parameter
SIGNAL-TO-NOISE RATIO
fINPUT = 2.4 MHz
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
fINPUT = 100 MHz
SIGNAL-TO-NOISE AND
DISTORTION RATIO
fINPUT = 2.4 MHz
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
fINPUT = 100 MHz
TOTAL HARMONIC
DISTORTION
fINPUT = 2.4 MHz
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
fINPUT = 100 MHz
WORST HARMONIC
(2nd or 3rd)
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
SPURIOUS FREE
DYNAMIC RANGE
fINPUT = 2.4 MHz
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 32.5 MHz
fINPUT = 100 MHz
CROSSTALK
Test
AD9238BST-20
AD9238BST-40
AD9238BST-65
Temp Level Min Typ Max Min Typ Max Min Typ Max Unit
25°C V
Full V
25°C IV
Full V
25°C IV
Full V
25°C IV
25°C V
70.4
70.2
69.7 70.4
68.7
70.4
70.3
dBc
dBc
dBc
70.1
dBc
69.7 70.3
dBc
69.3
dBc
68.7 69.5
dBc
68.3
67.6
dBc
25°C V
Full V
25°C IV
Full V
25°C IV
Full V
25°C IV
25°C V
70.2
70.1
69.3 70.2
67.9
70.2
70.1
dBc
dBc
dBc
69.9
dBc
69.4 70.1
dBc
68.9
dBc
68.1 69.1
dBc
67.9
66.6
dBc
25°C V
Full V
25°C I
Full V
25°C I
Full V
25°C I
25°C V
–83.0
–81.0
–83.0 –74.6
–77.0
–83.0
–81.0
–83.0 –75.5
–79.0
–83.0
–78.0
–80.0
–74.0
dBc
dBc
dBc
dBc
dBc
dBc
–71.7 dBc
dBc
Full V
Full V
Full V
–84.0
–85.0
dBc
dBc
–80.0
dBc
25°C V
Full V
25°C I
Full V
25°C I
Full V
25°C I
25°C V
Full V
86.0
84.0
76.1 86.0
79.0
–80
86.0
86.0
dBc
dBc
dBc
85.0
dBc
76.7 86.0
dBc
80.0
dBc
72.5 83.0
dBc
81.0
75.0
dBc
–80
–80
dB
Specifications subject to change without notice.
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Figure 1. Timing Diagram
–4–
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REV. A
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