AD9772AST datasheet(2/30 Pages) AD

2 / 30 page

REV. 0

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AD9772–SPECIFICATIONS

(TMIN to TMAX, AVDD = +3 V, CLKVDD = +3 V, PLLVDD = 0 V, DVDD = +3 V, IOUTFS = 20 mA, unless otherwise

noted)

DC SPECIFICATIONS

Parameter

Min

Typ

Max

Units

RESOLUTION

Bits

DC ACCURACY1

Integral Linearity Error (INL)

±3.5

LSB

Differential Nonlinearity (DNL)

±2.0

LSB

Monotonicity (12-Bit)

Guaranteed Over Specified Temperature Range

ANALOG OUTPUT

Offset Error

–0.025

+0.025

% of FSR

Gain Error (Without Internal Reference)

–2

±0.5

% of FSR

Gain Error (With Internal Reference)

–5

±1.5

% of FSR

Full-Scale Output Current2

Output Compliance Range

–1.0

+1.25

Output Resistance

200

Ω

Output Capacitance

REFERENCE OUTPUT

Reference Voltage

1.14

1.20

1.26

Reference Output Current

µA

REFERENCE INPUT

Input Compliance Range

0.1

1.25

Reference Input Resistance (REFLO = 3 V)

Ω

Small Signal Bandwidth

0.5

MHz

TEMPERATURE COEFFICIENTS

Unipolar Offset Drift

ppm of FSR/

°C

Gain Drift (Without Internal Reference)

±50

ppm of FSR/

°C

Gain Drift (With Internal Reference)

±100

ppm of FSR/

°C

Reference Voltage Drift

±50

ppm/

°C

POWER SUPPLY

AVDD

Voltage Range

2.7

3.0

3.6

Analog Supply Current (IAVDD)34

Analog Supply Current in SLEEP Mode (IAVDD)

4.3

PLLVDD4

Voltage Range

2.7

3.0

3.6

PLL Clock Multiplier Supply Current (IPLLVDD)

4.5

CLKVDD

Voltage Range

2.7

3.0

3.6

Clock Supply Current (ICLKVDD)

5.5

DVDD5

Voltage Range

2.7

3.0

3.6

Digital Supply Current (IDVDD)29

Nominal Power Dissipation5

205

231

Power Supply Rejection Ratio (PSRR)6 – AVDD

–0.6

+0.6

% of FSR/V

Power Supply Rejection Ratio (PSRR)6 – DVDD

–0.025

+0.025

% of FSR/V

OPERATING RANGE

–40

+85

°C

NOTES

1Measured at IOUTA driving a virtual ground.

2Nominal full-scale current, I

OUTFS, is 32

× the I

REF current.

3Use an external amplifier to drive any external load.

4Measured at f

DATA = 100 MSPS and f OUT = 1 MHz, PLLVDD = 3.0 V.

5Measured at f

DATA = 50 MSPS and f OUT = 1 MHz.

6Measured over a 2.7 V to 3.6 V range.

Specifications subject to change without notice.

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