AD9243 Analog Devices, AD9243 Datasheet - Page 3

• Manufacturer Part Number: AD9243
• Description: Complete 14-Bit, 3 MSPS Monolithic A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9243

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 3MSPS
• Interface: Par
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: (2Vref) p-p,2 V p-p,5V p-p,Uni (Vref) x 2,Uni 2.0V,Uni 5.0V
• Adc Architecture: Pipelined
• Pkg Type: QFP

REV. A
AC SPECIFICATIONS
Parameter
SIGNAL-TO-NOISE AND DISTORTION RATIO (S/N+D)
EFFECTIVE NUMBER OF BITS (ENOB)
SIGNAL-TO-NOISE RATIO (SNR)
TOTAL HARMONIC DISTORTION (THD)
SPURIOUS FREE DYNAMIC RANGE
DYNAMIC PERFORMANCE
Specifications subject to change without notice.
DIGITAL SPECIFICATIONS
Parameters
LOGIC INPUTS
LOGIC OUTPUTS (with DRVDD = 5 V)
LOGIC OUTPUTS (with DRVDD = 3 V)
Specifications subject to change without notice.
f
f
f
f
f
f
f
f
f
f
Full Power Bandwidth
Small Signal Bandwidth
Aperture Delay
Aperture Jitter
Acquisition to Full-Scale Step (0.0025%)
Overvoltage Recovery Time
High Level Input Voltage
Low Level Input Voltage
High Level Input Current (V
Low Level Input Current (V
Input Capacitance
High Level Output Voltage (I
High Level Output Voltage (I
Low Level Output Voltage (I
Low Level Output Voltage (I
Output Capacitance
High Level Output Voltage (I
Low Level Output Voltage (I
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
= 500 kHz
= 1.5 MHz
= 500 kHz
= 1.5 MHz
= 500 kHz
= 1.5 MHz
= 500 kHz
= 1.5 MHz
= 500 kHz
= 1.5 MHz
IN
IN
OL
OL
OL
(AVDD = +5 V, DVDD= +5 V, DRVDD = +5 V, f
Differential Input, T
OH
OH
OH
= 0 V)
= DVDD)
= 1.6 mA)
= 50 A)
= 50 A)
= 50 A)
= 0.5 mA)
= 50 A)
(AVDD = +5 V, DVDD = +5 V, T
MIN
to T
MAX
unless otherwise noted)
Symbol
V
V
I
I
C
V
V
V
V
C
V
V
–3–
IH
IL
IH
IL
IN
OH
OH
OL
OL
OUT
OH
OL
MIN
to T
SAMPLE
MAX
unless otherwise noted)
= 3 MSPS, VREF = 2.5 V, A
AD9243
75.0
79.0
77.0
12.3
12.8
12.5
76.0
80.0
79.0
–78.0
–87.0
–82.0
91.0
84.0
40
40
1
4
80
167
AD9243
+3.5
+1.0
5
+4.5
+2.4
+0.4
+0.1
5
+2.4
+0.7
10
10
IN
= –0.5 dBFS, AC Coupled/
Units
dB min
dB typ
dB typ
Bits min
Bits typ
Bits typ
dB min
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
dB max
AD9243
V min
V max
pF typ
V min
V min
V max
V max
pF typ
V min
V max
Units
A max
A max