AD6432AST datasheet(10/20 Pages) AD

10 / 20 page

AD6432

–10–

REV. 0

TEMPERATURE – C

–40

–18.0

–17.5

–16.5

–17.0

–20

–18.5

–19.0

–19.5

–20.0

–16.0

100

Figure 21. Tx Desired Sideband Gain vs. Temperature,

TA = +25°C, VPOS = 3 V, FCARRIER = 280 MHz, I and Q Inputs

Driven in Quadrature

CARRIER FREQUENCY – MHz

100

–15.5

–15.0

–14.0

–14.5

120

140

160

180

200

–16.0

–16.5

–17.0

–17.5

–13.5

220

240

–18.0

–18.5

–19.0

260

280

300

Figure 22. Tx Desired Sideband Gain vs. FCARRIER,

TA = +25°C, VPOS = 3 V

TEMPERATURE – C

–40

–37.0

–36.5

–35.5

–36.0

–20

–37.5

–38.0

–38.5

–39.0

–35.0

100

–39.5

–40.0

Figure 23. Tx Typical Undesired Sideband Suppression

vs. Temperature, TA = +25°C, VPOS = 3 V

CARRIER FREQUENCY – MHz

100

–37.0

–36.5

–35.5

–36.0

120

140

160

180

200

–37.5

–38.0

–38.5

–39.0

–35.0

240

260

–39.5

–40.0

280

300

220

Figure 24. Tx Typical Undesired Sideband Suppression

vs. FCARRIER, TA = +25°C, VPOS = 3 V

GAIN VOLTAGE – Volts

0.5

1.0

1.5

2.0

2.5

VPOS = 3.6V, TA = +85 C

VPOS = 2.7V, TA = +85 C

VPOS = 3.6V, TA = +25 C

VPOS = 3V, TA = +25 C

VPOS = 2.7V, TA = +25 C

VPOS = 3.6V

TA = –40 C

VPOS = 2.7V

TA = –40 C

Figure 25. Rx Mode Supply Current vs. VGAIN, VGREF = 1.2 V

TEMPERATURE – C

–40

10.5

11.0

11.5

12.0

12.5

13.0

13.5

–20

VPOS = 3.6V

VPOS = 3V

VPOS = 2.7V

100

14.0

14.5

15.0

Figure 26. Tx Mode Supply Current vs. Temperature

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