AD9762 查看數據表（PDF） - Analog Devices

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AD9762

12-Bit, 125 MSPS TxDAC® D/A Converter

Analog Devices 

AD9762

DIGITAL SPECIFICATIONS (TMIN to TMAX, AVDD = +5 V, DVDD = +5 V, IOUTFS = 20 mA unless otherwise noted)

Parameter

Min

Typ

Max

DIGITAL INPUTS

Logic “1” Voltage @ DVDD = +5 V

Logic “1” Voltage @ DVDD = +3 V

Logic “0” Voltage @ DVDD = +5 V

Logic “0” Voltage @ DVDD = +3 V

Logic “1” Current

Logic “0” Current

Input Capacitance

Input Setup Time (tS)

Input Hold Time (tH)

Latch Pulsewidth (tLPW)

Specifications subject to change without notice.

3.5

5

2.1

3

0

1.3

0

0.9

–10

+10

–10

+10

5

2.0

1.5

3.5

DB0–DB11

CLOCK

IOUTA

OR

IOUTB

tS

tH

tLPW

tPD

tST

0.1%

0.1%

Units

V

V

V

V

µA

µA

pF

ns

ns

ns

Figure 1. Timing Diagram

ABSOLUTE MAXIMUM RATINGS*

Parameter

With

Respect to Min Max

Units

AVDD

DVDD

ACOM

AVDD

CLOCK, SLEEP

Digital Inputs

IOUTA, IOUTB

COMP1, COMP2

REFIO, FSADJ

REFLO

Junction Temperature

Storage Temperature

Lead Temperature

(10 sec)

ACOM

DCOM

DCOM

DVDD

DCOM

DCOM

ACOM

ACOM

ACOM

ACOM

–0.3 +6.5

V

–0.3 +6.5

V

–0.3 +0.3

V

–6.5 +6.5

V

–0.3 DVDD + 0.3 V

–0.3 DVDD + 0.3 V

–1.0 AVDD + 0.3 V

–0.3 AVDD + 0.3 V

–0.3 AVDD + 0.3 V

–0.3 +0.3

V

+150

°C

–65 +150

°C

+300

°C

*Stresses above those listed under Absolute Maximum Ratings may cause perma-

nent damage to the device. This is a stress rating only; functional operation of the

device at these or any other conditions above those indicated in the operational

sections of this specification is not implied. Exposure to absolute maximum

ratings for extended periods may effect device reliability.

ORDERING GUIDE

Model

Temperature Package

Range

Description

Package

Option*

AD9762AR –40°C to +85°C 28-Lead 300 mil SOIC R-28

AD9762ARU –40°C to +85°C 28-Lead TSSOP

RU-28

AD9762-EB Evaluation Board

*R = SOIC, RU = TSSOP.

THERMAL CHARACTERISTICS

Thermal Resistance

28-Lead 300 mil SOIC

θJA = 71.4°C/W

θJC = 23°C/W

28-Lead TSSOP

θJA = 97.9°C/W

θJC = 14.0°C/W

CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily

accumulate on the human body and test equipment and can discharge without detection.

Although the AD9762 features proprietary ESD protection circuitry, permanent damage may

occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD

precautions are recommended to avoid performance degradation or loss of functionality.

WARNING!

ESD SENSITIVE DEVICE

–4–

REV. B

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