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AD6645

14-Bit, 80 MSPS/105 MSPS A/D Converter

Analog Devices 

AD6645

SPECIFICATIONS

DC SPECIFICATIONS

AVCC = 5 V, DVCC = 3.3 V; TMIN and TMAX at rated speed grade, unless otherwise noted.

Table 1.

Parameter

RESOLUTION

ACCURACY

No Missing Codes

Offset Error

Gain Error

Differential Nonlinearity (DNL)

Integral Nonlinearity (INL)

TEMPERATURE DRIFT

Offset Error

Gain Error

POWER SUPPLY REJECTION RATIO

(PSRR)

REFERENCE OUT (VREF)1

ANALOG INPUTS (AIN, AIN)

Differential Input Voltage Range

Differential Input Resistance

Differential Input Capacitance

POWER SUPPLY

Supply Voltages

AVCC

DVCC

Supply Current

IAVCC (AVCC = 5.0 V)

IDVCC (DVCC = 3.3 V)

Rise Time2

AVCC

POWER CONSUMPTION

Temp

Full

Full

Full

Full

Full

Full

Full

25°C

Full

Full

Full

25°C

Full

Full

Full

Full

Full

Full

Test Level

II

II

II

II

V

V

V

V

V

V

V

II

II

II

II

IV

II

AD6645ASQ-80/AD6645ASV-80

Min

Typ

Max

14

Guaranteed

−10

+1.2

+10

−10

0

+10

−1.0

±0.25

+1.5

±0.5

1.5

48

±1.0

2.4

2.2

1

1.5

4.75

5.0

5.25

3.0

3.3

3.6

275

320

32

45

250

1.5

1.75

AD6645ASQ-105/AD6645ASV-105

Min

Typ

Max

14

Guaranteed

−10

+1.2

+10

−10

0

+10

−1.0

±0.5

+1.5

±1.5

1.5

48

±1.0

2.4

2.2

1

1.5

4.75

5.0

5.25

3.0

3.3

3.6

275

320

32

45

5.0

250

1.5

1.75

Unit

Bits

mV

% FS

LSB

LSB

ppm/°C

ppm/°C

mV/V

V

V p-p

kΩ

pF

V

V

mA

mA

ms

W

1 VREF is provided for setting the common-mode offset of a differential amplifier, such as the AD8138, when a dc-coupled analog input is required. VREF should be

buffered if used to drive additional circuit functions.

2 Specified for dc supplies with linear rise time characteristics.

Rev. D | Page 3 of 24

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