REV. E
AD9221/AD9223/AD9220
–3–
AC SPECIFICATIONS
(AVDD = 5 V, DVDD= 5 V, fSAMPLE = Max Conversion Rate, VREF = 1.0 V, VINB = 2.5 V, DC Coupled/Single-
Ended Input TMIN to TMAX, unless otherwise noted.)
Parameter
AD9221
AD9223
AD9220
Unit
MAX CONVERSION RATE
1.5
3.0
10.0
MHz min
DYNAMIC PERFORMANCE
Input Test Frequency 1 (VINA = –0.5 dBFS)
100
500
1000
kHz
Signal-to-Noise and Distortion (SINAD)
70.0
70
dB typ
69.0
68.5
dB min
Effective Number of Bits (ENOBs)
11.3
dB typ
11.2
11.1
dB min
Signal-to-Noise Ratio (SNR)
70.2
70.0
70.2
dB typ
69.0
68.5
69.0
dB min
Total Harmonic Distortion (THD)
–83.4
–83.7
dB typ
–77.5
–76.0
dB max
Spurious Free Dynamic Range (SFDR)
86.0
87.5
88.0
dB typ
79.0
77.5
dB max
Input Test Frequency 2 (VINA = –0.5 dBFS)
0.50
1.50
5.0
MHz
Signal-to-Noise and Distortion (SINAD)
69.9
69.4
67.0
dB typ
69.0
68.0
65.0
dB min
Effective Number of Bits (ENOBs)
11.3
11.2
10.8
dB typ
11.2
11.1
10.5
dB min
Signal-to-Noise Ratio (SNR)
70.1
69.7
68.8
dB typ
69.0
68.5
67.5
dB min
Total Harmonic Distortion (THD)
–83.4
–82.9
–72.0
dB typ
–77.5
–75.0
–68.0
dB max
Spurious Free Dynamic Range (SFDR)
86.0
85.7
75.0
dB typ
79.0
76.0
69.0
dB max
Full Power Bandwidth
25
40
60
MHz typ
Small Signal Bandwidth
25
40
60
MHz typ
Aperture Delay
111ns typ
Aperture Jitter
444ps rms typ
Acquisition to Full-Scale Step
125
43
30
ns typ
Specifications subject to change without notice.
DIGITAL SPECIFICATIONS (AVDD = 5 V, DVDD = 5 V, T
MIN to TMAX, unless otherwise noted.)
Parameter
Symbol
Unit
CLOCK INPUT
High Level Input Voltage
VIH
3.5
V min
Low Level Input Voltage
VIL
1.0
V max
High Level Input Current (VIN = DVDD)
IIH
±10
A max
Low Level Input Current (VIN = 0 V)
IIL
±10
A max
Input Capacitance
CIN
5
pF typ
LOGIC OUTPUTS
DVDD = 5 V
High Level Output Voltage (IOH = 50
A)
VOH
4.5
V min
High Level Output Voltage (IOH = 0.5 mA)
VOH
2.4
V min
Low Level Output Voltage (IOL = 1.6 mA)
VOL
0.4
V max
Low Level Output Voltage (IOL = 50
A)
VOL
0.1
V max
DVDD = 3 V
High Level Output Voltage (IOH = 50
A)
VOH
2.95
V min
High Level Output Voltage (IOH = 0.5 mA)
VOH
2.80
V min
Low Level Output Voltage (IOL = 1.6 mA)
VOL
0.4
V max
Low Level Output Voltage (IOL = 50
A)
VOL
0.05
V max
Output Capacitance
COUT
5
pF typ
Specifications subject to change without notice.