DAC5686IPZP datasheet(8/46 Pages) TI

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ELECTRICAL CHARACTERISTICS (AC SPECIFICATIONS)

(1)

DAC5686

SLWS147B – APRIL 2003 – REVISED AUGUST 2004

ELECTRICAL CHARACTERISTICS (DC SPECIFICATIONS) (continued)

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

IAVDD

Sleep mode, AVDD supply current

IDVDD

Sleep mode, DVDD supply current

ICLKVDD

Sleep mode, CLKVDD supply

current

Sleep mode

IPLLVDD

Sleep mode, PLLVDD supply

0.5

current

IIOVDD

Sleep mode, IOVDD supply current

0.25

Mode 1(6) AVDD = 3.3 V,

215

DVDD = 1.8 V

Mode 2(7) AVDD = 3.3 V,

495

DVDD = 1.8 V

Mode 5(8) AVDD = 3.3 V,

445

DVDD = 1.8 V

Power dissipation

Mode 7(9) AVDD = 3.3 V,

754

DVDD = 1.8 V

Mode 9(10) AVDD = 3.3 V,

547

DVDD = 1.8 V

Mode 11(11) AVDD = 3.3 V,

855

950

DVDD = 1.8 V

APSRR

Power supply rejection ratio

–0.2

0.2

%FSR/V

DPSRR

Power supply rejection ratio

–0.2

0.2

%FSR/V

(6)

Mode 1: Dual DAC mode, fully bypassed, FDAC = 160 MSPS, fOUT = 20 MHz

(7)

Mode 2: Dual DAC mode, 2

× interpolation, F

DAC = 320 MSPS, fOUT = 20 MHz

(8)

Mode 5: Quadrature modulation mode, 4

× interpolation, fs/4 mixing, F

DAC = 320 MSPS, fOUT = 100 MHz

(9)

Mode 7: Quadrature modulation mode, 4

× interpolation, NCO running at 320 MHz, F

DAC = 320 MSPS, fOUT = 100 MHz

(10) Mode 9: SSB modulation mode, 4

× interpolation, fs/4 mixing, F

DAC = 320 MSPS, fOUT = 100 MHz

(11) Mode 11: SSB modulation mode, 4

× interpolation, NCO running at 320 MHz, f

OUT = 100 MHz, maximum operating condition

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

Analog Output

fCLK

Maximum output update rate

500

MSPS

ts(DAC)

Output settling time to 0.1%

Mid-scale transition

tpd

Output propagation delay

2.5

tr(IOUT)

(2)

Output rise time 10% to 90%

2.5

tf(IOUT)

(2)

Output fall time 90% to 10%

2.5

AC Performance—1:1 Impedance-Ratio Transformer

First Nyquist zone < fDATA/2, 4× interpolation, dual DAC mode,

fDATA = 52 MSPS, fOUT = 14 MHz, TA = 25°C

First Nyquist zone < fDATA/2, 4× interpolation, dual DAC mode,

fDATA = 160 MSPS, fOUT = 20 MHz, full bypass,TA = TMIN to

TMAX for MIN, 25°C for TYP, IOVDD = 1.8 V for TYP

SFDR

Spurious free dynamic range

dBc

× interpolation, dual DAC mode, f

DATA = 160 MSPS, fOUT =

41 MHz, TA = 25°C, IOVDD = 1.8 V

× interpolation, dual DAC mode, f

DATA = 160 MSPS, fOUT =

61 MHz, TA = 25°C, IOVDD = 1.8 V

(1)

Specifications subject to change without notice

(2)

Measured single-ended into 50-

Ω load

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