–4–

REV. B

AD9774–SPECIFICATIONS

DIGITAL FILTER SPECIFICATIONS

Parameter

Min

Typ

Max

Units

DVDD = 5 V

32

MSPS

DVDD = 3 V

25

32

MSPS

DIGITAL FILTER CHARACTERISTICS

Passband Width

0.410

Passband Width: 0.01 dB

0.414

Passband Width: 0.1 dB

0.420

Passband Width: –3 dB

0.482

LINEAR PHASE (FIR IMPLEMENTATION)

STOPBAND REJECTION

–69.5

dB

–79.5

dB

GROUP DELAY

2

38

Input Clocks

IMPULSE RESPONSE DURATION

–40 dB

53

Input Clocks

–60 dB

62

Input Clocks

NOTES

Specifications subject to change without notice.

otherwise noted)

ABSOLUTE MAXIMUM RATINGS*

With

Respect

Parameter

to

Min

Max

Units

AVDD

ACOM

–0.3

+6.5

V

DVDD

DCOM

–0.3

+6.5

V

PLLVDD

PLLCOM

–0.3

+6.5

V

ACOM

DCOM

–0.3

+0.3

V

PLLCOM

ACOM

–0.3

+0.3

V

PLLCOM

DCOM

–0.3

+0.3

V

AVDD

DVDD

–6.5

+6.5

V

PLLVDD

DVDD

–0.3

+6.5

V

PLLVDD

AVDD

–0.3

+6.5

V

CLKIN, CLK4

×IN

DVDD

–0.3

+6.5

V

SLEEP, SNOOZE

DCOM

–0.3

DVDD + 0.3

V

Digital Inputs

DCOM

–0.3

DVDD + 0.3

V

PLL DIVIDE, LPF

ACOM

–0.3

PLLVDD + 0.3 V

PLLLOCK

ACOM

–0.3

PLLVDD + 0.3 V

VCO IN/EXT

ACOM

–0.3

PLLVDD + 0.3 V

IOUTA/IOUTB

ACOM

–0.3

AVDD + 0.3

V

REFIO, FSADJ

ACOM

–0.3

AVDD + 0.3

V

FSADJ

ACOM

–0.3

AVDD + 0.3

V

ICOMP

ACOM

–0.3

AVDD + 0.3

V

REFCOM

ACOM

–0.3

+0.3

V

Junction Temperature

+150

°C

Storage Temperature

–65

+150

°C

Lead Temperature

+300

°C

(10 sec)

*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

Temperature

Package

Package

Model

Range

Description

Option*

AD9774AS

–40

°C to +85°C

44-Lead MQFP

S-44

AD9774EB

Evaluation Board

*S = Metric Quad Flatpack.

THERMAL CHARACTERISTIC

Thermal Resistance

44-Lead MQFP

θ

θ