AD9237BCPZ-20 データシートの表示（PDF） - Analog Devices
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AD9237BCPZ-20 Datasheet PDF : 28 Pages
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AD9237
DIGITAL SPECIFICATIONS
Table 2.
Parameter
LOGIC INPUTS
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Input Capacitance
LOGIC OUTPUTS1
DRVDD = 3.3 V
High-Level Output Voltage (IOH = 50 μA)
High-Level Output Voltage (IOH = 0.5 mA)
Low-Level Output Voltage (IOL = 1.6 mA)
Low-Level Output Voltage (IOL = 50 μA)
DRVDD = 2.5 V
High-Level Output Voltage (IOH = 50 μA)
High-Level Output Voltage (IOH = 0.5 mA)
Low-Level Output Voltage (IOL = 1.6 mA)
Low-Level Output Voltage (IOL = 50 μA)
AD9237BCP-20
AD9237BCP-40
AD9237BCP-65
Min Typ Max Min Typ Max Min Typ Max Unit
2.0
–10
–10
2
2.0
0.8
+10 –10
+10 –10
2
2.0
0.8
+10 –10
+10 –10
2
V
0.8 V
+10 μA
+10 μA
pF
3.29
3.29
3.29
V
3.25
3.25
3.25
V
0.2
0.2
0.2 V
0.05
0.05
0.05 V
2.49
2.49
2.49
V
2.45
2.45
2.45
V
0.2
0.2
0.2 V
0.05
0.05
0.05 V
1 Output voltage levels measured with 5 pF load on each output.
AC SPECIFICATIONS
AVDD = 3 V, DRVDD = 2.5 V, maximum sample rate, 2 V p-p differential input, AIN = –0.5 dBFS, 1.0 V internal reference, TMIN to TMAX,
unless otherwise noted.
Table 3.
Parameter
SIGNAL-TO-NOISE RATIO (SNR)
fINPUT = 2.4 MHz
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 34.2 MHz
fINPUT = 70 MHz
SIGNAL-TO-NOISE RATIO AND DISTORTION (SINAD)
fINPUT = 2.4 MHz
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 34.2 MHz
fINPUT = 70 MHz
EFFECTIVE NUMBER OF BITS (ENOB)
fINPUT = 9.7 MHz
fINPUT = 19.6 MHz
fINPUT = 34.2 MHz
AD9237BCP-20
AD9237BCP-40
AD9237BCP-65
Min Typ Max Min Typ Max Min Typ Max Unit
66.8
66.5
66.5
dBc
65.6 66.6
dBc
65.3 66.6
dBc
64.0 66.1
dBc
66.0
66.3
65.9
dBc
66.7
66.4
66.3
dBc
65.1 66.5
dBc
64.4 66.4
dBc
63.5 65.8
dBc
65.6
65.8
65.2
dBc
10.8
Bits
10.7
Bits
10.6
Bits
Rev. 0 | Page 4 of 28
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