DAC5682Z datasheet(9/59 Pages) TI

9 / 59 page

ELECTRICAL CHARACTERISTICS (DIGITAL SPECIFICATIONS)

DAC5682Z

www.ti.com ........................................................................................................................................................ SLLS853C – AUGUST 2007 – REVISED JUNE 2009

ELECTRICAL CHARACTERISTICS — AC SPECIFICATION (continued)

Over recommended operating free-air temperature range, AVDD, IOVDD = 3.3 V, CLKVDD, DVDD = 1.8 V, IOUTFS = 20 mA,

4:1 transformer output termination, 50

Ω doubly terminated load (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Single carrier, baseband, 2X2, PLL off, CLKIN = 983.04 MHz,

DACA and DACB on

Single carrier, IF = 180 MHz, 2X2, PLL off,

CLKIN = 983.04 MHz, DACA and DACB on

Adjacent channel leakage

ACLR(2)

dBc

ratio

Four carrier, IF = 180 MHz, 2X2 CMIX, PLL off,

CLKIN = 983.04 MHz, DACA and DACB on

Four carrier, IF = 275 MHz, 2X2 CMIX, PLL off,

CLKIN = 983.04 MHz, DACA and DACB on

50-MHz offset, 1-MHz BW, Single Carrier, baseband, 2X2, PLL

off, CLKIN = 983.04

Noise floor(3)

dBc

50-MHz offset, 1-MHz BW, Four Carrier, baseband, 2X2, PLL off,

CLKIN = 983.04.

(2)

W-CDMA with 3.84 MHz BW, 5-MHz spacing, centered at IF. TESTMODEL 1, 10 ms

(3)

Carrier power measured in 3.84 MHz BW.

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

LVDS INTERFACE: D[15:0]P/N , SYNCP/N, DCLKP/N(1)

Logic high differential

VA,B+

175

input voltage threshold

Logic low differential input

VA,B–

–175

voltage threshold

VCOM1

Input Common Mode

SYNCP/N, D[15:0]P/N only

1.0

DCLKP/N only

DVDD

VCOM2

Input Common Mode

÷2

Internal termination

SYNCP/N, D[15:0]P/N only

110

135

Ω

LVDS Input capacitance

DCLKP/N: 0 to 125MHz (see Figure 33) DLL Setup_min

1100

tS, tH

DCLK to Data

Disabled, CONFIG5 DLL_bypass = 1,

Hold_min

–600

CONFIG10 = '00000000'

(1)

See LVDS INPUTS section for terminology.

Submit Documentation Feedback

Product Folder Link(s): DAC5682Z

DAC5682Z Datasheet(PDF) 9 Page - Texas Instruments

DAC5682Z Datasheet(HTML) 9 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59

Datasheet Download

Link URL