Datasheet

AD9229
Rev. B | Page 3 of 40
SPECIFICATIONS
AVDD = 3.0 V, DRVDD = 3.0 V, maximum conversion rate, 2 V p-p differential input, 1.0 V internal reference, AIN = –0.5 dBFS, unless
otherwise noted.
Table 1.
AD9229-50 AD9229-65
Parameter Temperature
Test
Level Min Typ Max Min Typ Max Unit
RESOLUTION 12 12 Bits
ACCURACY
No Missing Codes Full VI Guaranteed Guaranteed
Offset Error Full VI ±5 ±25 ±5 ±25 mV
Offset Matching Full VI ±5 ±25 ±5 ±25 mV
Gain Error
1
Full VI ±0.3 ±2.5 ±0.3 ±2.5 % FS
Gain Matching
1
Full VI ±0.2 ±1.5 ±0.2 ±1.5 % FS
Differential Nonlinearity (DNL) 25°C V ±0.3 ±0.3 LSB
Full VI ±0.3 ±0.6 ±0.3 ±0.7 LSB
Integral Nonlinearity (INL) 25°C V ±0.6 ±0.4 LSB
Full VI ±0.6 ±1 ±0.4 ±1 LSB
TEMPERATURE DRIFT
Offset Error Full V ±2 ±3 ppm/°C
Gain Error
1
Full V ±12 ±12 ppm/°C
Reference Voltage, VREF = 1 V Full V ±16 ±16 ppm/°C
REFERENCE
Output Voltage Error, VREF = 1 V Full VI ±10 ±30 ±10 ±30 mV
Load Regulation @ 1.0 mA, VREF = 1 V Full V 3 3 mV
Output Voltage Error, VREF = 0.5 V Full VI ±8 ±17 ±8 ±17 mV
Load Regulation @ 0.5 mA,
VREF = 0.5 V
Full V 0.2 0.2 mV
Input Resistance Full V 7 7 kΩ
ANALOG INPUTS
Differential Input Voltage Range
VREF = 1 V
Full VI 2 2 V p-p
Differential Input Voltage Range
VREF = 0.5 V
Full VI 1 1 V p-p
Common Mode Voltage Full V 1.5 1.5 V
Input Capacitance
2
Full V 7 7 pF
Analog Bandwidth, Full Power Full V 400 400 MHz
POWER SUPPLY
AVDD Full IV 2.7 3.0 3.6 2.7 3.0 3.6 V
DRVDD Full IV 2.7 3.0 3.6 2.7 3.0 3.6 V
IAVDD Full VI 300 330 420 455 mA
DRVDD Full VI 28 31 29 33 mA
Power Dissipation
3
Full VI 985 1083 1350 1465 mW
Power-Down Dissipation Full V 3 3 mW
CROSSTALK
4
Full V –95 –95 dB
1
Gain error and gain temperature coefficients are based on the ADC only, with a fixed 1.0 V external reference and a 2 V p-p differential analog input.
2
Input capacitance refers to the effective capacitance between one differential input pin and AGND. Refer to Figure 4 for the equivalent analog input structure.
3
Power dissipation measured with rated encode and 2.4 MHz analog input at –0.5 dBFS.
4
Typical specification over the first Nyquist zone.