Datasheet

AD9258
Rev. A | Page 4 of 44
SPECIFICATIONS
ADC DC SPECIFICATIONS
AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, DCS enabled, unless
otherwise noted.
Table 1.
AD9258BCPZ-80 AD9258BCPZ-105 AD9258BCPZ-125
Parameter Temperature Min Typ Max Min Typ Max Min Typ Max Unit
RESOLUTION Full 14 14 14 Bits
ACCURACY
No Missing Codes Full Guaranteed Guaranteed Guaranteed
Offset Error Full ±0.1 ±0.5 ±0.1 ±0.5 ±0.4 ±0.65 % FSR
Gain Error Full ±0.4 ±2.5 ±0.4 ±2.5 ±0.4 ±2.5 % FSR
Differential
Nonlinearity (DNL)
1
Full ±0.5 ±0.5 ±0.5 LSB
25°C ±0.25 ±0.25 ±0.25 LSB
Integral Nonlinearity
(INL)
1
Full ±1.1 ±1.3 ±1.4 LSB
25°C ±0.55 ±0.7 ±0.8 LSB
MATCHING
CHARACTERISTIC
Offset Error Full ±0.1 ±0.4 ±0.1 ±0.4 ±0.2 ±0.45 % FSR
Gain Error Full ±0.3 ±1.3 ±0.3 ±1.3 ±0.3 ±1.3 % FSR
TEMPERATURE DRIFT
Offset Error Full ±2 ±2 ±2 ppm/°C
Gain Error Full ±15 ±15 ±15 ppm/°C
INTERNAL VOLTAGE
REFERENCE
Output Voltage Error
(1 V Mode)
Full ±5 ±12 ±5 ±12 ±5 ±12 mV
Load Regulation @
1.0 mA
Full 5 5 5 mV
INPUT REFERRED NOISE
VREF = 1.0 V 25°C 0.62 0.63 0.7
LSB
rms
ANALOG INPUT
Input Span, VREF =
1.0 V
Full 2 2 2 V p-p
Input Capacitance
2
Full 8 8 8 pF
Input Common-
Mode Voltage
Full 0.9 0.9 0.9 V
REFERENCE INPUT
RESISTANCE
Full 6 6 6 kΩ
POWER SUPPLIES
Supply Voltage
AVDD Full 1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V
DRVDD Full 1.7 1.8 1.9 1.7 1.8 1.9 1.7 1.8 1.9 V
Supply Current
IAVDD
1
Full 234 240 293 300 390 400 mA
IDRVDD
1
(1.8 V
CMOS)
Full 33 43 53 mA
IDRVDD
1
(1.8 V
LVDS)
Full 81 81 90 mA