SA8027W Ver la hoja de datos (PDF) - Philips Electronics

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SA8027W

2.5 GHz low voltage, low power RF fractional-N/IF integer frequency synthesizer

Philips Electronics 

Philips Semiconductors

2.5 GHz low voltage, low power

RF fractional-N/IF integer frequency synthesizer

Product data

SA8027

TYPICAL PERFORMANCE CHARACTERISTICS (Continued)

0

–3

–6

–9

–12

–15

2.6V

3.0V

–18

3.6V

–21

–24

–27

–30

–33

–36

–39

–42

FREQUENCY (MHz)

SR02349

Figure 31. Auxiliary Divider Input Sensitivity vs.

Frequency and Supply Voltage

(Temp = 25 _C; ISET = 164 µA; Divider Ratio = 213)

0

–3

–6

–9

–40 °C

+25 °C

–12

+85 °C

–15

–18

–21

–24

–27

–30

–33

–36

–39

–42

FREQUENCY (MHz)

SR02350

Figure 32. Auxiliary Divider Input Sensitivity vs.

Frequency and Temperature

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

0

–3

–6

–9

–12

–15

–18

–21

–24

–27

–30

0

2.6V

3.0V

3.6V

5 10 15 20 25 30 35 40 45 50 55 60 65 70

FREQUENCY (MHz)

SR02351

Figure 33. Reference Divider Input Sensitivity vs.

Frequency and Supply Voltage

(Temp = 25 _C; ISET = 164 µA; Divider Ratio = 682)

9.00

8.50

8.00

7.50

7.00

–40 °C

6.50

+25 °C

+85 °C

6.00

2.4

2.6 2.8

3.0 3.2 3.4 3.6 3.8

SUPPLY VOLTAGE (V)

SR02353

Figure 35. Total Supply Current vs. Temperature

(ISET = 164 µA)

2001 Aug 21

18

0

–3

–6

–9

–12

–15

–18

–21

–24

–27

–30

0

–40 °C

+25 °C

+85 °C

5 10 15 20 25 30 35 40 45 50 55 60 65 70

FREQUENCY (MHz)

SR02352

Figure 34. Reference Divider Input Sensitivity vs.

Frequency and Temperature

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

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