Data Sheet

AD7683

Rev. B | Page 3 of 16

SPECIFICATIONS

Table 2.

Parameter

Conditions

AD7683 All Grades

Unit

Min

Typ

Max

RESOLUTION

16

Bits

ANALOG INPUT

Voltage Range

+IN − (–IN)

0

V

Absolute Input Voltage

+IN

−0.1

VDD + 0.1

V

−IN

−0.1

0.1

V

Analog Input CMRR

65

dB

Leakage Current at 25°C

Acquisition phase

1

nA

Input Impedance

See the Analog Input section

THROUGHPUT SPEED

Complete Cycle

10

µs

Throughput Rate

0

100

kSPS

DCLOCK Frequency

0

2.9

MHz

REFERENCE

Voltage Range

0.5

VDD + 0.3

V

Load Current

50

µA

DIGITAL INPUTS

Logic Levels

−0.3

0.3 × VDD

V

0.7 × VDD

VDD + 0.3

V

−1

+1

µA

−1

+1

µA

Input Capacitance

5

pF

DIGITAL OUTPUTS

Data Format

Serial, 16 bits straight binary

VDD − 0.3

V

0.4

V

POWER SUPPLIES

VDD

Specified performance

2.7

5.5

V

2.0

5.5

V

Operating Current

100 kSPS throughput

VDD

VDD = 5 V

800

µA

VDD = 2.7 V

560

µA

VDD = 5 V, 25°C

1

50

nA

Power Dissipation

VDD = 5 V

4

6

mW

VDD = 2.7 V

1.5

mW

150

µW

TEMPERATURE RANGE

Specified Performance

−40

+85

°C

1

See the Typical Performance Characteristics section for more information.

2

With all digital inputs forced to VDD or GND, as required.

3

During acquisition phase.