DAC5675MPHPREP datasheet(6/27 Pages) TI1

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AC Electrical Characteristics

DAC5675-EP

SGLS381A – OCTOBER 2006 – REVISED OCTOBER 2006

over operating free-air temperature range, typical values at 25

°C, AV

DD = 3.3 V, DVDD = 3.3 V, IO(FS) = 20 mA, differential

transformer-coupled output, 50-

Ω doubly-terminated load (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Analog Output

fCLK

Output update rate

400

MSPS

ts(DAC)

Output setting time to 0.1%

Transition: code x2000 to x23FF

tPD

Output propagation delay

tr(IOUT)

Output rise time, 10% to 90%

tf(IOUT)

Output fall time, 90% to 10%

IOUTFS = 20 mA

Output noise

pA/

√Hz

IOUTFS = 2 mA

AC Linearity

fCLK = 100 MSPS,

fOUT = 19.9 MHz

fCLK = 160 MSPS,

fOUT = 41 MHz

fCLK = 200 MSPS,

fOUT = 70 MHz

THD

Total harmonic distortion

dBc

fOUT = 20.1 MHz

fCLK = 400 MSPS

fOUT = 70 MHz

fOUT = 140 MHz

fCLK = 100 MSPS,

fOUT = 19.9 MHz

fCLK = 160 MSPS,

fOUT = 41 MHz

fCLK = 200 MSPS,

fOUT = 70 MHz

Spurious-free dynamic range

SFDR

dBc

to Nyquist

fOUT = 20.1 MHz

fCLK = 400 MSPS

fOUT = 70 MHz

fOUT = 140 MHz

fCLK = 100 MSPS,

fOUT = 19.9 MHz

fCLK = 160 MSPS,

fOUT = 41 MHz

fCLK = 200 MSPS,

fOUT = 70 MHz

Spurious-free dynamic range

SFDR

dBc

within a window, 5-MHz span

fOUT = 20.1 MHz

fCLK = 400 MSPS

fOUT = 70 MHz

fOUT = 140 MHz

fCLK = 122.88 MSPS, IF = 30.72 MHz, See Figure 9

Adjacent channel power ratio

ACPR

WCDM A with 3.84 MHz BW, fCLK = 245.76 MSPS, IF = 61.44 MHz, See Figure 10

5-MHz channel spacing

fCLK = 399.32 MSPS, IF = 153.36 MHz, See Figure 12

Two-tone intermodulation

fCLK = 400 MSPS, fOUT1 = 70 MHz, fOUT2 = 71 MHz

to Nyquist (each tone at

fCLK = 400 MSPS, fOUT1 = 140 MHz, fOUT2 = 141 MHz

–6 dBfs)

IMD

dBc

Four-tone intermodulation,

fCLK = 156 MSPS, fOUT = 15.6, 15.8, 16.2, 16.4 MHz

15-MHz span, missing center

fCLK = 400 MSPS, fOUT = 68.1, 69.3, 71.2, 72 MHz

tone (each tone at –16 dBfs)

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