AD9643

Rev. A | Page 3 of 36

SPECIFICATIONS

ADC DC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.75 V p-p full-scale input range,

duty cycle stabilizer (DCS) enabled, unless otherwise noted.

Table 1.

AD9643-170

AD9643-210

AD9643-250

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

±10

±10

±10

mV

Gain Error

Full

+2/−6

+3/−5

±4

%FSR

Differential Nonlinearity (DNL)

Full

±0.75

±0.75

±0.75

LSB

25°C

±0.25

±0.25

±0.25

LSB

Integral Nonlinearity (INL)1

Full

±1.8

±2

±3.5

LSB

25°C

±1.5

±1.5

±1.5

LSB

MATCHING CHARACTERISTIC

Offset Error

Full

±13

±13

±13

mV

Gain Error

Full

±2.5/

+3.5

−2/

+3.5

−2.5/

+3.5

%FSR

TEMPERATURE DRIFT

Offset Error

Full

±15

±15

±15

ppm/°C

Gain Error

Full

±50

±50

±50

ppm/°C

INPUT REFERRED NOISE

VREF = 1.0 V

25°C

1.33

1.33

1.33

LSB rms

ANALOG INPUT

Input Span

Full

1.75

1.75

1.75

V p-p

Input Capacitance2

Full

2.5

2.5

2.5

pF

Input Resistance3

Full

20

20

20

kΩ

Input Common-Mode Voltage

Full

0.9

0.9

0.9

V

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

Full

196

250

217

265

256

275

mA

Full

145

160

160

185

180

210

mA

POWER CONSUMPTION

Sine Wave Input (DRVDD = 1.8 V)

Full

614

680

785

mW

Standby Power4

Full

90

90

90

mW

Power-Down Power

Full

10

10

10

mW