AD1672 datasheet(2/20 Pages) AD

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AD1672–SPECIFICATIONS

DC SPECIFICATIONS

REV. 0

–2–

(TMIN to TMAX with VCC = +5.0 V, VDD = +5.0 V, DRVDD = +5.0 V, fSAMPLE = 3 MHz unless otherwise noted)

AD1672AP

Parameter

Min

Typ

Max

Units

RESOLUTION

Bits

MAX CONVERSION RATE

MHz

ACCURACY

Integral Nonlinearity (INL)

–2.5

±1.0

2.5

LSB

Differential Nonlinearity (DNL)

–1.0

±0.5

1.5

LSB

No Missing Codes

12 Bits Guaranteed

Offset Error

–0.75

±0.20

0.75

% FSR

Zero Error1

–0.75

±0.20

0.75

% FSR

Gain Error

–1.50

±0.30

1.50

% FSR

POWER SUPPLY REJECTION3

VCC (5.0 V

± 0.25 V)

–0.30

0.30

% FSR

VDD (5.0 V

± 0.25 V)

–0.30

0.30

% FSR

VDRDD (3.0 V to 5.25 V)

–0.10

0.10

% FSR

ANALOG INPUT

Input Ranges

2.5 V Range Unipolar

0.0

2.5

Volts

5.0 V Range Unipolar

0.0

5.0

Volts

5.0 V Bipolar

–2.5

2.5

Volts

Input Resistance

2.5 V Input Range

1.5

2.0

2.5

Ω

5.0 V Input Ranges

3.0

4.0

5.0

Ω

Input Capacitance

INTERNAL VOLTAGE REFERENCE

Output Voltage

2.475

2.5

2.525

Volts

Output Current

0.5

REFERENCE INPUT RESISTANCE

6.0

8.0

10.0

Ω

POWER SUPPLIES

Supply Voltages

VCC

4.75

5.0

5.25

Volts

VDD

4.75

5.0

5.25

Volts

DRVDD

3.00

5.0

5.25

Volts

Supply Current

IVCC

IVDD

1.0

2.0

IDRVDD

0.2

2.0

POWER CONSUMPTION

240

363

TEMPERATURE RANGE

–40

°C

NOTES

1Bipolar Mode.

2Includes internal reference error.

3Change in full scale as a function of the dc supply voltage.

4Current available for external loads. External load should not change during conversion.

Specification subject to change without notice.

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