AD6649

Rev. 0 | Page 4 of 40

SPECIFICATIONS

ADC DC SPECIFICATIONS

AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input,1 1.75 V p-p full-scale input range,

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

Table 1.

Parameter

Temperature

Min

Typ

Max

Unit

RESOLUTION

Full

14

Bits

ACCURACY

No Missing Codes

Full

Guaranteed

Offset Error

Full

±10

mV

Gain Error

Full

−5.5

+2.5

%FSR

MATCHING CHARACTERISTIC

Offset Error

Full

±13

mV

Gain Error

Full

±2.5

%FSR

TEMPERATURE DRIFT

Offset Error

Full

±15

ppm/°C

Gain Error

Full

±50

ppm/°C

INPUT REFERRED NOISE

VREF = 1.0 V

25°C

1.32

LSB rms

ANALOG INPUT

Input Span

Full

1.75

V p-p

Input Capacitance2

Full

2.5

pF

Input Resistance3

Full

20

kΩ

Input Common-Mode Voltage

Full

0.9

V

POWER SUPPLIES

Supply Voltage

AVDD

Full

1.7

1.8

1.9

V

DRVDD

Full

1.7

1.8

1.9

V

Supply Current

Full

271

275

mA

Full

283

300

mA

Full

375

mA

POWER CONSUMPTION

Sine Wave Input (Fixed-Frequency NCO, 95 MHz FIR Filter)

Full

997

1035

mW

Sine Wave Input (Tunable-Frequency NCO, 100 MHz FIR Filter)

Full

1163

mW

Standby Power5

Full

104

mW

Power-Down Power

Full

10

mW

tunable-frequency NCO and 100 MHz FIR filter, the output level is −1.3 dBFS. These respective output level reductions are due to FIR filter losses. See the

section for more details.

FIR Filters