AD9775 datasheet(3/48 Pages) AD

Part #	AD9775

Description	14-Bit, 160 MSPS 2X/4X/8X Interpolating Dual TxDAC D/A Converter

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REV. 0

–3–

AD9775

DC SPECIFICATIONS

Parameter

Min

Typ

Max

Unit

RESOLUTION

14

Bits

DC Accuracy

1

Integral Nonlinearity

–5

±1.5

+5

LSB

Differential Nonlinearity

–3

±1.0

+3

LSB

ANALOG OUTPUT (for IR and 2R Gain Setting Modes)

Offset Error

–0.02

±0.01

+0.02

% of FSR

Gain Error (With Internal Reference)

–1.0

+1.0

% of FSR

Gain Matching

–1.0

±0.1

+1.0

% of FSR

Full-Scale Output Current

2

220

mA

Output Compliance Range

–1.0

+1.25

V

Output Resistance

200

k

Ω

Output Capacitance

3

pF

Gain, Offset Cal DACs, Monotonicity Guaranteed

REFERENCE OUTPUT

Reference Voltage

1.14

1.20

1.26

V

Reference Output Current

3

100

nA

REFERENCE INPUT

Input Compliance Range

0.1

1.25

V

Reference Input Resistance (REFLO = 3 V)

10

M

Ω

Small Signal Bandwidth

0.5

MHz

TEMPERATURE COEFFICIENTS

Offset Drift

0

ppm of FSR/

°C

Gain Drift (With Internal Reference)

50

ppm of FSR/

°C

Reference Voltage Drift

ppm/

°C

POWER SUPPLY

AVDD

Voltage Range

3.1

3.3

3.5

V

Analog Supply Current (IAVDD)

4

72.5

76

mA

IAVDD in SLEEP Mode

23.3

26

mA

CLKVDD

Voltage Range

3.1

3.3

3.5

V

Clock Supply Current (ICLKVDD)

4

8.5

mA

CLKVDD (PLL ON)

Clock Supply Current (ICLKVDD)23.5

mA

DVDD

Voltage Range

3.1

3.3

3.5

V

Digital Supply Current (IDVDD)

4

34

41

mA

Nominal Power Dissipation

380

410

mW

PDIS

5

1.75

W

PDIS IN PWDN

6.0

mW

Power Supply Rejection Ratio—AVDD

±0.4

% of FSR/V

OPERATING RANGE

–40

+85

°C

NOTES

1Measured at I

OUTA 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.

4100 MSPS f

DAC with fOUT = 1 MHz, all supplies = 3.3 V, no interpolation, no modulation.

5400 MSPS f

DAC = 50 MSPS, fS/2 modulation, PLL enabled.

Specifications subject to change without notice.

(TMIN to TMAX, AVDD = 3.3 V, CLKVDD = 3.3 V, DVDD = 3.3 V, PLLVDD = 3.3 V, IOUTFS = 20 mA, unless

otherwise noted.)

AD9775–SPECIFICATIONS

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