AD9763 datasheet(2/28 Pages) AD

Numer części	AD9763

Szczegółowy opis	10-Bit, 125 MSPS Dual TxDAC D/A Converter

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Producent	AD [Analog Devices]

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REV. B

–2–

AD9763–SPECIFICATIONS

DC SPECIFICATIONS (T

MIN to TMAX, AVDD = +5 V, DVDD = +5 V, IOUTFS = 20 mA, unless otherwise noted.)

Parameter

Min

Typ

Max

Units

RESOLUTION

10

Bits

DC ACCURACY

1

Integral Linearity Error (INL)

–1

±0.1

+1

LSB

Differential Linearity Error (DNL)

–0.5

±0.07

+0.5

LSB

ANALOG OUTPUT

Offset Error

–0.02

+0.02

% of FSR

Gain Error (Without Internal Reference)

–2

±0.25

+2

% of FSR

Gain Error (With Internal Reference)

–5

±1

+5

% of FSR

Gain Match

–1.6

0.1

+1.6

% of FSR

–0.14

+0.14

dB

Full-Scale Output Current

2

2.0

20.0

mA

Output Compliance Range

–1.0

+1.25

V

Output Resistance

100

k

Ω

Output Capacitance

5

pF

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

1

M

Ω

Small Signal Bandwidth

0.5

MHz

TEMPERATURE COEFFICIENTS

Offset Drift

0

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

Supply Voltages

AVDD

3

5

5.5

V

DVDD

2.7

5

5.5

V

Analog Supply Current (IAVDD)71

75

mA

Digital Supply Current (IDVDD)

4

57

mA

Digital Supply Current (IDVDD)

5

15

mA

Supply Current Sleep Mode (IAVDD)

8

12.0

mA

Power Dissipation4 (5 V, IOUTFS = 20 mA)

380

410

mW

Power Dissipation

5 (5 V, I

OUTFS = 20 mA)

420

450

mW

Power Dissipation

6 (5 V, I

OUTFS = 20 mA)

450

mW

Power Supply Rejection Ratio7—AVDD

–0.4

+0.4

% of FSR/V

Power Supply Rejection Ratio

7—DVDD

–0.025

+0.025

% 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 times the IREF current.

3An external buffer amplifier with input bias current <100 nA should be used to drive any external load.

4Measured at f

CLOCK = 25 MSPS and fOUT = 1.0 MHz.

5Measured at f

CLOCK = 100 MSPS and fOUT = 1 MHz.

6Measured as unbuffered voltage output with I

OUTFS = 20 mA and 50

Ω R

LOAD at IOUTA and IOUTB, fCLOCK = 100 MSPS and fOUT = 40 MHz.

7

±10% Power supply variation.

Specifications subject to change without notice.

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