AD9761_15 datasheet(2/24 Pages) AD

Part #	AD9761

Description	Dual 10-Bit TxDAC

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–2–

AD9761–SPECIFICATIONS

AD9761

–3–

DC SPECIFICATIONS (T

MIN to TMax, AVDD = 5 V, DVDD = 5 V, IOUTFS = 10 mA, unless otherwise noted.)

Parameter

Min

Typ

Max

Unit

RESOLUTION

10

Bits

DC ACCURACY1

Integral Nonlinearity Error (INL)

TA = 25°C

–1.75

±0.5

+1.75

LSB

TMIN to TMAX

–2.75

±0.7

+2.75

LSB

Differential Nonlinearity (DNL)

TA = 25°C

–1

±0.4

+1.25

LSB

TMIN to TMAX

–1

±0.5

+1.75

LSB

Monotonicity (10-Bit)

Guaranteed over Rated Specification Temperature Range

ANALOG OUTPUT

Offset Error

–0.05

±0.025

+0.05

% of FSR

Offset Matching between DACs

–0.10

±0.05

+0.10

% of FSR

Gain Error (without Internal Reference)

–5.5

±1.0

+5.5

% of FSR

Gain Error (with Internal Reference)

–5.5

±1.0

+5.5

% of FSR

Gain Matching between DACs

–1.0

±0.25

+1.0

% of FSR

Full-Scale Output Current2

10

mA

Output Compliance Range

–1.0

+1.25

V

Output Resistance

100

k

Output Capacitance

5

pF

REFERENCE OUTPUT

Reference Voltage

1.14

1.20

1.26

V

Reference Output Current3

100

nA

REFERENCE INPUT

Input Compliance Range

0.1

1.25

V

Reference Input Resistance

1

M

TEMPERATURE COEFFICIENTS

Unipolar Offset Drift

0

ppm/°C

Gain Drift (without Internal Reference)

±50

ppm/°C

Gain Drift (with Internal Reference)

±140

ppm/°C

Gain Matching Drift (between DACs)

±25

ppm/°C

Reference Voltage Drift

±50

ppm/°C

POWER SUPPLY

AVDD

Voltage Range

3.0

5.0

5.5

V

Analog Supply Current (IAVDD)

26

29

mA

DVDD

Voltage Range

2.7

5.0

5.5

V

Digital Supply Current at 5 V (IDVDD)4

15

18

mA

Digital Supply Current at 3 V (IDVDD)4

5

mA

Nominal Power Dissipation5

AVDD and DVDD at 3 V

93

mW

AVDD and DVDD at 5 V

200

250

mW

Power Supply Rejection Ratio (PSRR)–AVDD

–0.25

+0.25

% of FSR/V

Power Supply Rejection Ratio (PSRR)–DVDD

–0.02

+0.02

% of FSR/V

OPERATING RANGE

–40

+85

°C

NOTES

1Measured at IOUTA and QOUTA, driving a virtual ground.

2Nominal full-scale current, IOUTFS, is 16 the IREF current.

3Use an external amplifier to drive any external load.

4Measured at fCLOCK = 40 MSPS and fOUT = 1 MHz.

5Measured as unbuffered voltage output into 50  RLOAD at IOUTA, IOUTB, QOUTA, and QOUTB; fCLOCK = 40 MSPS and fOUT = 8 MHz.

Specifications subject to change without notice.

REV. C

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