AD9648

Rev. 0 | Page 4 of 44

SPECIFICATIONS

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.

AD9648-105

AD9648-125

Parameter

Temp

Min

Typ

Max

Min

Typ

Max

Unit

RESOLUTION

Full

14

14

Bits

ACCURACY

No Missing Codes

Full

Guaranteed

Guaranteed

Offset Error

Full

−0.8

−0.3

+0.2

−0.8

−0.3

+0.2

% FSR

Gain Error

Full

−4.20

±1.3

+4.2

−5.1

±1.3

+5.1

% FSR

Differential Nonlinearity (DNL)1

Full

−0.5

+1.2

−0.5

+1.2

LSB

25°C

±0.5

±0.5

LSB

Integral Nonlinearity (INL)1

Full

−2.3

+2.3

−2.3

+2.3

LSB

25°C

±1.0

±1.0

LSB

MATCHING CHARACTERISTIC

Offset Error

Full

±0.01

±0.58

±0.01

±0.58

% FSR

Gain Error

Full

±0.5

±4.0

±0.5

±4.0

% FSR

TEMPERATURE DRIFT

Offset Error

Full

±2

±2

ppm/°C

Gain Error

Full

±50

±50

ppm/°C

INTERNAL VOLTAGE REFERENCE

Output Voltage (1 V Mode)

Full

0.98

1.00

1.02

0.98

1.00

1.02

V

Load Regulation Error at 1.0 mA

Full

2

2

mV

INPUT REFERRED NOISE

VREF = 1.0 V

25°C

0.98

0.98

LSB rms

ANALOG INPUT

Input Span, VREF = 1.0 V

Full

2

2

V p-p

Input Capacitance2

Full

5

5

pF

Input Resistance (Differential)

Full

7.5

7.5

kΩ

Input Common-Mode Voltage

Full

0.9

0.9

V

Input Common-Mode Range

Full

0.5

1.3

0.5

1.3

V

POWER SUPPLIES

Supply Voltage

AVDD

Full

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

V

Supply Current

I

AVDD

1

Full

81

86

95

100

mA

I

1

Full

19.2

22.5

mA

I

1

Full

63.5

65.0

mA