SA8027W datasheet(18/22 Pages) PHILIPS

18 / 22 page

Philips Semiconductors

Product data

SA8027

2.5 GHz low voltage, low power

RF fractional-N/IF integer frequency synthesizer

2001 Aug 21

TYPICAL PERFORMANCE CHARACTERISTICS (Continued)

SR02349

FREQUENCY (MHz)

–42

–39

–36

–33

–30

–27

–24

–21

–18

–15

–12

–9

–6

–3

2.6V

3.0V

3.6V

Figure 31.

Auxiliary Divider Input Sensitivity vs.

Frequency and Supply Voltage

(Temp = 25

_C; ISET = 164 µA; Divider Ratio = 213)

SR02350

FREQUENCY (MHz)

–42

–39

–36

–33

–30

–27

–24

–21

–18

–15

–12

–9

–6

–3

–40

°C

+25

°C

+85

°C

Figure 32.

Auxiliary Divider Input Sensitivity vs.

Frequency and Temperature

(ISET = 164 µA; Divider Ratio = 213; VDD = 3.0 V)

SR02351

FREQUENCY (MHz)

–30

–27

–24

–21

–18

–15

–12

–9

–6

–3

2.6V

3.0V

3.6V

Figure 33.

Reference Divider Input Sensitivity vs.

Frequency and Supply Voltage

(Temp = 25

_C; ISET = 164 µA; Divider Ratio = 682)

SR02352

FREQUENCY (MHz)

–30

–27

–24

–21

–18

–15

–12

–9

–6

–3

–40

°C

+25

°C

+85

°C

Figure 34.

Reference Divider Input Sensitivity vs.

Frequency and Temperature

(ISET = 164 µA; Divider Ratio = 682; VDD = 3.0 V)

SR02353

SUPPLY VOLTAGE (V)

6.00

6.50

7.00

7.50

8.00

8.50

9.00

2.4

2.6

2.8

3.0

3.2

3.4

3.6

3.8

–40

°C

+25

°C

+85

°C

Figure 35.

Total Supply Current vs. Temperature

(ISET = 164 µA)

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