AD9782 datasheet(4/52 Pages) AD

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AD9782

Preliminary Technical Data

Rev. PrC | Page 4 of 52

AD9782–SPECIFICATIONS

DC SPECIFICATIONS

Table 1. TMIN to TMAX, AVDD1, AVDD2 = 3.3 V, ACVDD, ADVDD, CLKVDD, DVDD, DRVDD = 2.5 V, IOUTFS = 20 mA, unless

otherwise noted

Parameter

Min

Typ

Max

Unit

RESOLUTION

Bits

DC Accuracy1

Integral Nonlinearity

1.5

LSB

Differential Nonlinearity

0.75

LSB

ANALOG OUTPUT

Offset Error

% of FSR

Gain Error (Without Internal Reference)

% of FSR

Gain Error (With Internal Reference)

% of FSR

Full-Scale Output Current2

Output Compliance Range

–1.0

+1.0

Output Resistance

TBD

kΩ

Output Capacitance

REFERENCE OUTPUT

Reference Voltage

1.14

1.20

1.26

Reference Output Current3

µA

REFERENCE INPUT

Input Compliance Range

0.1

1.25

Reference Input Resistance (Ext Reference Mode)

MΩ

Small Signal Bandwith

0.5

MHz

TEMPERATURE COEFFICIENTS

Unipolar Offset Drift

ppm of FSR/°C

Gain Drift (Without Internal Reference)

ppm of FSR/°C

Gain Drift (With Internal Reference)

ppm of FSR/°C

Reference Voltage Drift

ppm /°C

POWER SUPPLY

AVDD1, AVDD2

Voltage Range

3.1

3.3

3.5

Analog Supply Current (IAVDD1)

Analog Supply Current (IAVDD2)

IAVDD1 in SLEEP Mode

ACVDD, ADVDD

Voltage Range

2.35

2.5

2.65

Analog Supply Current (IACVDD)

Analog Supply Current (IADVDD)

CLKVDD

Voltage Range

2.35

2.5

2.65

Clock Supply Current (ICLKVDD)

DVDD

Voltage Range

2.35

2.5

2.65

Digital Supply Current (IDVDD)

DRVDD

Voltage Range

2.35

2.5/3.3

3.5

Digital Supply Current (IDRVDD)

Nominal Power Dissipation4

1.25

OPERATING RANGE

–40

+85

°C

1 Measured at IOUTA driving a virtual ground.

2 Nominal full-scale current, IOUTFS, is 32× the IREF current.

3 Use an external amplifier to drive any external load.

4 Measured under the following conditions: fDATA = 125 MSPS, fDAC = 500 MSPS, 4× Interpolation, fDAC/4 Modulation, Hilbert Off.

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