AD7684BRM datasheet(3/16 Pages) AD

Teilenummer	AD7684BRM

Bauteilbeschribung	16-Bit, 100 kSPS PulSAR Differential ADC in MSOP

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AD7684

Rev. 0 | Page 3 of 16

SPECIFICATIONS

VDD = 2.7 V to 5.5 V; VREF = VDD; TA = –40°C to +85°C, unless otherwise noted.

Table 2.

Parameter

Conditions

Min

Typ

Max

Unit

RESOLUTION

16

Bits

ANALOG INPUT

Voltage Range

+IN − (–IN)

−VREF

+VREF

V

Absolute Input Voltage

+IN, –IN

−0.1

VDD + 0.1

V

Analog Input CMRR

fIN = 100 kHz

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

100 kSPS, V+IN = V−IN = VREF/2 = 2.5 V

50

µA

DIGITAL INPUTS

Logic Levels

VIL

−0.3

0.3 × VDD

V

VIH

0.7 × VDD

VDD + 0.3

V

IIL

−1

+1

µA

IIH

−1

+1

µA

Input Capacitance

5

pF

DIGITAL OUTPUTS

Data Format

Serial 16 Bits Twos Complement.

VOH

ISOURCE = −500 µA

VDD − 0.3

V

VOL

ISINK = +500 µA

0.4

V

POWER SUPPLIES

VDD

Specified performance

2.7

5.5

V

VDD Range1

2.0

5.5

V

Operating Current

100 kSPS throughput

VDD = 5 V

800

µA

VDD = 2.7 V

560

µA

Standby Current2, 3

VDD = 5 V, 25

°C

1

50

nA

Power Dissipation

VDD = 5 V

4

6

mW

VDD = 2.7 V

1.5

mW

VDD = 2.7 V, 10 kSPS throughput

2

150

µW

TEMPERATURE RANGE

Specified Performance

TMIN to TMAX

−40

+85

°C

1 See the

section for more information.

Typical Performance Characteristics

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

3 During acquisition phase.

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