Datasheet

–2–
REV. A
AD9224–SPECIFICATIONS
Parameter Min Typ Max Units
RESOLUTION 12 Bits
MAX CONVERSION RATE 40 MHz
INPUT REFERRED NOISE
VREF = 1.0 V 0.35 LSB rms
VREF = 2.0 V 0.17 LSB rms
ACCURACY
Integral Nonlinearity (INL) ±1.5 ±2.5 LSB
Differential Nonlinearity (DNL) ±0.33 ±1.0 LSB
No Missing Codes Guaranteed 12 Bits
Zero Error (@ +25°C) ±0.12 ±0.3 % FSR
Gain Error (@ +25°C)
1
±0.3 ±2.2 % FSR
Gain Error (@ +25°C)
2
±0.4 ±1.6 % FSR
TEMPERATURE DRIFT
Zero Error ±2 ppm/°C
Gain Error
1
±26 ppm/°C
Gain Error
2
±0.4 ppm/°C
POWER SUPPLY REJECTION
AVDD (+5 V ± 0.25 V) ±0.07 ±0.24 % FSR
ANALOG INPUT
Input Span (VREF = 1 V) 2 V p-p
(VREF = 2 V) 4 V p-p
Input (VINA or VINB) Range 0 AVDD V
Input Capacitance 10 pF
INTERNAL VOLTAGE REFERENCE
Output Voltage (1 V Mode) 1.0 V
Output Voltage Tolerance (1 V Mode) ±5 ±17 mV
Output Voltage (2.0 V Mode) 2.0 V
Output Voltage Tolerance (2.0 V Mode) ±10 ±35 mV
Output Current (Available for External Loads) 1.0 mA
Load Regulation
3
±1.0 ±3.4 mV
REFERENCE INPUT RESISTANCE 5 kΩ
POWER SUPPLIES
Supply Voltages
AVDD 4.75 5 5.25 V (±5% AVDD
Operating)
DRVDD 2.85 5.25 V (±5% DRVDD
Operating)
Supply Current
IAVDD 82 87 mA (2 V Internal VREF)
IDRVDD 4.3 5 mA (2 V Internal VREF)
POWER CONSUMPTION 415 445 mW (1 V Internal Ref)
425 450 mW (2 V Internal Ref)
NOTES
1
Includes internal voltage reference error.
2
Excludes internal voltage reference error.
3
Load regulation with 1 mA load current (in addition to that required by the AD9224).
Specifications subject to change without notice.
(AVDD = +5 V, DRVDD = +3 V, f
SAMPLE
= 40 MSPS, VREF = 2.0 V, VINB = 2.5 V dc, T
MIN
to T
MAX
unless otherwise noted)
DC SPECIFICATIONS