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AD9240 Datasheet, PDF (3/24 Pages) Analog Devices – Complete 14-Bit, 10 MSPS Monolithic A/D Converter
AD9240
AC SPECIFICATIONS (AVDD = +5 V, DVDD= +5 V, DRVDD = +5 V, fSAMPLE = 10 MSPS, RBIAS = 2 k⍀, VREF = 2.5 V, AIN = –0.5 dBFS,
AC Coupled/Differential Input, TMIN to TMAX unless otherwise noted)
Parameter
SIGNAL-TO-NOISE AND DISTORTION RATIO (S/N+D)
fINPUT = 500 kHz
fINPUT = 1.0 MHz
fINPUT = 5.0 MHz
EFFECTIVE NUMBER OF BITS (ENOB)
fINPUT = 500 kHz
fINPUT = 1.0 MHz
fINPUT = 5.0 MHz
SIGNAL-TO-NOISE RATIO (SNR)
fINPUT = 500 kHz
fINPUT = 1.0 MHz
fINPUT = 5.0 MHz
TOTAL HARMONIC DISTORTION (THD)
fINPUT = 500 kHz
fINPUT = 1.0 MHz
fINPUT = 5.0 MHz
SPURIOUS FREE DYNAMIC RANGE
fINPUT = 500 kHz
fINPUT = 1.0 MHz
fINPUT = 5.0 MHz
DYNAMIC PERFORMANCE
Full Power Bandwidth
Small Signal Bandwidth
Aperture Delay
Aperture Jitter
Acquisition to Full-Scale Step (0.0025%)
Overvoltage Recovery Time
Specifications subject to change without notice.
AD9240
75.0
77.5
77.5
75.0
12.2
12.6
12.6
12.2
76.0
78.5
78.5
78.5
–78.0
–85.0
–85.0
–77.0
90.0
90.0
80.0
70
70
1
4
45
167
Units
dB min
dB typ
dB typ
dB typ
Bits min
Bits typ
Bits typ
Bits typ
dB min
dB typ
dB typ
dB typ
dB max
dB typ
dB typ
dB typ
dB typ
dB typ
dB typ
MHz typ
MHz typ
ns typ
ps rms typ
ns typ
ns typ
DIGITAL SPECIFICATIONS (AVDD = +5 V, DVDD = +5 V, TMIN to TMAX unless otherwise noted)
Parameters
Symbol
AD9240
CLOCK INPUT
High Level Input Voltage
Low Level Input Voltage
High Level Input Current (VIN = DVDD)
Low Level Input Current (VIN = 0 V)
Input Capacitance
LOGIC OUTPUTS (with DRVDD = 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)
Output Capacitance
LOGIC OUTPUTS (with DRVDD = 3 V)
High Level Output Voltage (IOH = 50 µA)
Low Level Output Voltage (IOL = 50 µA)
Specifications subject to change without notice.
VIH
VIL
IIH
IIL
CIN
VOH
VOH
VOL
VOL
COUT
VOH
VOL
+3.5
+1.0
± 10
± 10
5
+4.5
+2.4
+0.4
+0.1
5
+2.4
+0.7
Units
V min
V max
µA max
µA max
pF typ
V min
V min
V max
V max
pF typ
V min
V max
REV. A
–3–