DAC5686IPZP datasheet(9/46 Pages) TI

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ELECTRICAL CHARACTERISTICS (DIGITAL SPECIFICATIONS)

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DAC5686

SLWS147B – APRIL 2003 – REVISED AUGUST 2004

ELECTRICAL CHARACTERISTICS (AC SPECIFICATIONS) (continued)

over operating free-air temperature range, AVDD = 3.3 V, CLKVDD = 3.3 V, PLLVDD = 0 V, IOVDD = 3.3 V, DVDD = 1.8 V,

IOUT

FS = 20 mA, external clock mode, differential transformer-coupled output, 50-Ω doubly terminated load (unless otherwise

noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

First Nyquist zone < fDATA/2, fDATA = 100 MSPS,

fOUT = 5 MHz, IOVDD = 1.8 V, fDAC = 400 MSPS

SNR

Signal-to-noise ratio

First Nyquist zone < fDATA/2, fDATA = 78 MSPS,

fOUT = 15.6 MHz, 15.8 MHz, 16.2 MHz, 16.4 MHz,

IOVDD = 1.8 V, fDAC = 314 MSPS

Single carrier W-CDMA with 3.84-MHz BW, 5-MHz spacing,

centered at IF, TESTMODEL 1, 10 ms, fDATA = 122.88 MSPS,

baseband, dual DAC, 2

× interpolation,

fOUT = 245 MSPS

Single carrier W-CDMA with 3.84-MHz BW, 5-MHz spacing,

centered at IF, TESTMODEL 1, 10 ms, fDATA = 76.8 MSPS, IF

= 19.2 MHz, dual DAC, 2

× interpolation,

fOUT = 153.6 MSPS

Single carrier W-CDMA with 3.84-MHz BW, 5-MHz spacing,

centered at IF, TESTMODEL 1, 10 ms, fDATA = 122.88 MSPS,

IF = 30.72 MHz, dual DAC, 2

× interpolation, f

DAC = 245 MSPS

ACLR

Adjacent channel power ratio

Single carrier W-CDMA with 3.84-MHz BW, 5-MHz spacing,

centered at IF, TESTMODEL 1, 10 ms, fDATA = 61.44 MSPS,

IF = 61.44 MHz, quad mode, fs/4, 4

interpolation, fDAC = 245 MSPS

Two-carrier W-CDMA with 3.84-MHz BW, 5-MHz spacing,

centered at IF, TESTMODEL 1, 10 ms, fDATA = 122.88 MSPS,

IF = 30.72 MHz, dual DAC, 2

× interpolation, f

DAC = 245 MSPS

Four-carrier W-CDMA with 3.84-MHz BW, 5-MHz spacing,

centered at IF, TESTMODEL 1, 10 ms, fDATA = 121.88 MSPS,

complex IF - 30.72 MHz, quad mode, fs/4, 4

× interpolation, IF

= 92.16 MHz

fDATA = 160 MSPS, fOUT = 60.1 and 61.1 MHz, 2× interp-

olation,

320 MSPS, IOVDD = 1.8 V, each tone at –6 dBFS

Third-order two-tone

IMD3

dBc

intermodulation

fDATA = 100 MSPS, fOUT = 15.1 and 16.1 MHz, 2× interp-

olation,

200 MSPS, IOVDD = 1.8 V, each tone at –6 dBFS

fDATA = 100 MSPS, fOUT = 15.6 MHz, 15.8 MHz, 16.2 MHz,

IMD

Four-tone intermodulation

16.4 MHz, 4

× interpolation, 400 MSPS, IOVDD = 1.8 V, each

dBc

tone at –12 dBFS

over operating free-air temperature range, AVDD = 3.3 V, CLKVDD = 3.3 V, PLLVDD = 3.3 V, IOVDD = 3.3 V, DVDD = 1.8

V, IOUT

FS = 20 mA (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

CMOS Interface

VIH

High-level input voltage

VIL

Low-level input voltage

0.8

IIH

High-level input current

–40

µA

IIL

Low-level input current

–40

µA

Input capacitance

IL = –100 µA

IOVDD – 0.2

High-level output voltage,

VOH

PLLLOCK, SDO, SDIO (I/O)

IL = –8 mA

0.8

× IOVDD

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Specifications subject to change without notice.

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