AD8345 datasheet(7/16 Pages) AD

7 / 16 page

REV. 0

AD8345

–7–

TEMPERATURE – C

–45

–55

–65

–70

–75

–80

–20

–40

–50

–60

VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p

VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p

TPC 13. Third Order Distortion vs. Temperature.

(FLO = 800 MHz, LO Level = –2 dBm, FBB =1 MHz,

I and Q Inputs Driven in Quadrature)

BASEBAND DIFFERENTIAL INPUT VOLTAGE – V p-p

–10

SSB POUT

3.0

2.5

2.0

1.5

1.0

0.5

0.0

THIRD ORDER DISTORTION

–15

–20

–25

–30

–35

–40

–45

–50

–55

–70

–60

–6

–2

–4

–8

–10

–12

–14

–16

–18

–20

–26

–65

–22

–24

TPC 14. Third Order Distortion and SSB POUT vs. Base-

band Differential Input Level. (TA = 25

°C, FLO = 800 MHz,

LO Level = –2 dBm, FBB = 1 MHz, VS = 2.7 V)

BASEBAND DIFFERENTIAL INPUT VOLTAGE – V p-p

–5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

–10

–15

–25

–30

–35

–40

–45

–50

–55

–65

–60

–6

–2

–4

–8

–10

–12

–14

–16

–18

–20

–22

–20

–70

THIRD ORDER DISTORTION

SSB POUT

TPC 15. Third Order Distortion and SSB POUT vs. Base-

band Differential Input Level. (TA = 25

°C, FLO = 800 MHz,

LO level = –2 dBm, FBB = 1 MHz, VS = 5 V)

TEMPERATURE – C

–40

–20

VS = 5V, DIFFERENTIAL INPUT = 1.2V p-p

VS = 2.7V, DIFFERENTIAL INPUT = 200mV p-p

TPC 16. Power Supply Current vs. Temperature

WITH 50

WITH 100

LOIN NO BALUN

OR TERMINATION

SMITH CHART

NORMALIZED

TO 50

1GHz

250MHz

TPC 17. Smith Chart of LOIN Port S11 (LOIP Pin AC-

Coupled to Ground). Curves with Balun and External

Termination Resistors Also Shown. (VS = 5 V,

TA = 25

°C)

FREQUENCY – MHz

250

–10

–30

–5

–15

–20

–25

300 350 400 450 500 550 600 650 700 750 800 850 900 9501000

VS = 5V

VS = 2.7V

TPC 18. Return Loss (S22) of VOUT Output (TA = 25

°C)

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