AD9255

Data Sheet

Rev. C | Page 4 of 44

SPECIFICATIONS

ADC DC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, SVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, DCS

enabled, unless otherwise noted.

Table 1.

Parameter

Temp

AD9255BCPZ-801

AD9255BCPZ-1051

AD9255BCPZ-1251

Unit

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

RESOLUTION

Full

14

14

14

Bits

ACCURACY

No Missing Codes

Full

Guaranteed

Guaranteed

Guaranteed

Offset Error

Full

±0.05

±0.25

±0.05

±0.25

±0.05

±0.25

% FSR

Gain Error

Full

±0.2

±2.5

±0.2

±2.5

±0.4

±2.5

% FSR

Differential Nonlinearity (DNL)2

Full

±0.4

±0.4

±0.45

LSB

25°C

±0.2

±0.2

±0.25

LSB

Integral Nonlinearity (INL)2

Full

±0.9

±0.9

±1.2

LSB

25°C

±0.35

±0.45

±0.7

LSB

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

+8

±12

+8

±12

+8

±12

mV

Load Regulation at 1.0 mA

Full

3

3

3

mV

INPUT REFERRED NOISE

VREF = 1.0 V

25°C

0.62

0.63

0.61

LSB rms

ANALOG INPUT

Input Span, VREF = 1.0 V

Full

22

2

V p-p

Input Capacitance3

Full

88

8

pF

Input Common-Mode Voltage

Full

0.9

0.9

0.9

V

REFERENCE INPUT RESISTANCE

Full

66

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

SVDD

Full

1.7

3.5

1.7

3.5

1.7

3.5

V

Supply Current

IAVDD2

Full

126

131

169

176

194

202

mA

IDRVDD2 (1.8 V CMOS)

Full

13

19

23

mA

IDRVDD2 (1.8 V LVDS)

Full

39

42

44

mA

POWER CONSUMPTION

DC Input

Full

239

248

321

332

371

382

mW

Sine Wave Input2

CMOS Output Mode

Full

252

338

391

mW

LVDS Output Mode

Full

306

384

437

mW

Standby Power4

Full

54

54

54

mW

Power-Down Power

Full

0.05

0.15

0.05

0.15

0.05

0.15

mW