AD9221/AD9223/AD9220–SPECIFICATIONS
(AVDD = +5 V, DVDD = +5 V, fSAMPLE = Max Conversion Rate, VREF = 2.5 V, VINB = 2.5 V, TMIN to TMAX unless
DC SPECIFICATIONS otherwise noted)
Parameter
AD9221
12
AD9223
AD9220
12
Units
RESOLUTION
12
3
Bits min
MHz min
MAX CONVERSION RATE
INPUT REFERRED NOISE (TYP)
1.5
10
V
REF = 1 V
0.23
0.09
0.23
0.09
0.23
0.09
LSB rms typ
LSB rms typ
VREF = 2.5 V
ACCURACY
Integral Nonlinearity (INL)
±0.4
±1.25
±0.3
±0.75
±0.6
±0.3
12
±0.3
±1.5
±0.75
±0.5
±1.25
±0.3
±0.75
±0.6
±0.3
12
±0.3
±1.5
±0.75
±0.5
±1.25
±0.3
±0.75
±0.7
±0.35
12
±0.3
±1.5
±0.75
LSB typ
LSB max
LSB typ
LSB max
LSB typ
LSB typ
Bits Guaranteed
% FSR max
% FSR max
% FSR max
Differential Nonlinearity (DNL)
INL1
DNL1
No Missing Codes
Zero Error (@ +25°C)
Gain Error (@ +25°C)2
Gain Error (@ +25°C)3
TEMPERATURE DRIFT
Zero Error
±2
±26
±0.4
±2
±26
±0.4
±2
±26
±0.4
ppm/°C typ
ppm/°C typ
ppm/°C typ
Gain Error2
Gain Error3
POWER SUPPLY REJECTION
AVDD, DVDD (+5 V ± 0.25 V)
±0.06
±0.06
±0.06
% FSR max
ANALOG INPUT
Input Span (with VREF = 1.0 V)
Input Span (with VREF = 2.5 V)
Input (VINA or VINB) Range
2
5
0
2
5
0
2
5
0
V p-p min
V p-p max
V min
AVDD
16
AVDD
16
AVDD
16
V max
pF typ
Input Capacitance
INTERNAL VOLTAGE REFERENCE
Output Voltage (1 V Mode)
Output Voltage Tolerance (1 V Mode)
Output Voltage (2.5 V Mode)
Output Voltage Tolerance (2.5 V Mode)
Load Regulation4
1
1
1
Volts typ
mV max
Volts typ
mV max
mV max
±14
2.5
±35
2.0
±14
2.5
±35
2.0
±14
2.5
±35
2.0
REFERENCE INPUT RESISTANCE
5
5
5
kΩ typ
POWER SUPPLIES
Supply Voltages
AVDD
+5
+5
+5
+5 (±5%)
V (±5% AVDD Operating)
V
DVDD
+2.7 to +5.25 +2.7 to +5.25
Supply Current
IAVDD
14.0
11.8
0.5
26
20
0.5
0.02
58
48
12
10
mA max
mA typ
mA max
mA typ
IDVDD
0.02
POWER CONSUMPTION
59.0
70.0
100
130
250
310
mW typ
mW max
NOTES
1VREF =1 V.
2Including internal reference.
3Excluding internal reference.
4Load regulation with 1 mA load current (in addition to that required by the AD9220/AD9221/AD9223).
Specification subject to change without notice.
–2–
REV. D
ADI [ ADI ]
