AD4680 datasheet(4/29 Pages) AD

4 / 29 page

AD4680/AD4681

Data Sheet

Rev. 0 | Page 4 of 29

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

REFERENCE INPUT AND OUTPUT

VREF Input Voltage Range

External reference

2.49

3.4

VREF Input Current

External reference

AD4680

1 MSPS

0.26

0.29

AD4681

500 kSPS

0.23

0.26

VREF Output Voltage

At 25°C

2.498

2.5

2.502

−40°C to +125°C

2.495

2.505

VREF Temperature Coefficient

ppm/°C

VREF Noise

μV rms

DIGITAL INPUTS (SCLK, SDI, CS)

Logic Levels

Input Voltage

Low (VIL)

0.2 × VLOGIC

High (VIH)

0.8 × VLOGIC

Input Current

Low (IIL)

−1

μA

High (IIH)

−1

μA

DIGITAL OUTPUTS (SDOA, SDOB/ALERT)

Output Coding

Twos complement

Bits

Output Low Voltage (VOL)

Sink current (ISINK) = 300 μA

0.4

Output High Voltage (VOH)

Source current (ISOURCE) = −300 μA

VLOGIC − 0.3

Floating-State Leakage Current

±1

μA

Floating-State Output Capacitance

POWER SUPPLIES

VCC

3.0

3.3

3.6

External reference = 3.3 V

3.2

3.3

3.6

VLOGIC

1.65

3.6

VCC Current (IVCC)

Normal Mode (Operational)

AD4680, 1 MSPS

7.28

8.4

AD4681, 500 kSPS

4.76

5.6

Normal Mode (Static)

2.3

2.8

Shutdown Mode

100

200

μA

VLOGIC Current (IVLOGIC)

SDOA and SDOB/ALERT at 0x1FFF

Normal Mode (Operational)

AD4680, 1 MSPS

884

950

μA

AD4681, 500 kSPS

438

470

μA

Normal Mode (Static)

200

Shutdown Mode

200

POWER DISSIPATION

Total Power (PTOTAL)

AD4680

29.4

33.7

AD4681

18.7

21.9

VCC Power (PVCC)

Normal Mode

Operational

AD4680, 1 MSPS

26.2

30.3

AD4681, 500 kSPS

17.1

20.2

Static

Shutdown Mode

330

720

μW

VLOGIC Power (PVLOGIC)

Normal Mode

Operational

AD4680, 1 MSPS

3.2

3.4

AD4681, 500 kSPS

1.6

1.7

Static

720

Shutdown Mode

720

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