MICRF405 datasheet(19/46 Pages) MICREL

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Micrel

MICRF405

April 2006

M9999-041906

(408) 955-1690

Power level

(PAx)

915MHz

434MHz

315MHz

Pout (dBm)

IVDD (mA)

Pout (dBm)

IVDD (mA)

Pout (dBm)

IVDD (mA)

10.0

17.5

10.3

16.8

10.5

16.4

5.8

13.2

7.0

13.0

8.6

13.3

3.1

11.5

4.3

11.6

5.7

11.5

0.5

10.5

1.7

10.6

2.8

10.2

-1.9

9.9

-1.1

10.0

-0.1

9.3

-4.2

9.5

-3.8

9.5

-3.2

8.6

-6.7

9.1

-6.8

9.2

-6.5

8.2

-9.2

8.9

-9.8

9.0

-9.7

7.9

PA off

5.4

6.1

5.4

Table 11. Output Power and Current Consumption vs. Power Level Setting (PA2..PA1) for 315, 434 and 915MHz.

Frequency Synthesizer

Adr

Data

A6..A0

0000001

A0_5=0

A0_4=0

A0_3=1

A0_2=1

A0_1=1

A0_0=0

0000010

N0_11=0

N0_10=0

N0_9=0

N0_8=0

0000011

N0_7=0

N0_6=1

N0_5=1

N0_4=1

N0_3=0

N0_2=0

N0_1=1

N0_0=1

0000100

M0_11=0

M0_10=0

M0_9=0

M0_8=0

0000101

M0_7=0

M0_6=0

M0_5=1

M0_4=0

M0_3=0

M0_2=0

M0_1=0

M0_0=1

0000110

A1_5=0

A1_4=1

A1_3=1

A1_2=1

A1_1=1

A1_0=1

0000111

N1_11=0

N1_10=0

N1_9=0

N1_8=0

0001000

N1_7=0

N1_6=1

N1_5=1

N1_4=0

N1_3=1

N1_2=1

N1_1=1

N1_0=1

0001001

M1_11=0

M1_10=0

M1_9=0

M1_8=0

0001010

M1_7=0

M1_6=0

M1_5=1

M1_4=0

M1_3=0

M1_2=0

M1_1=0

M1_0=0

0010000

‘0’

Prescaler_Sel=0

FSKClk_K5=1

FSKClk_K4=1

FSKClk_K3=0

FSKClk_K2=1

FSKClk_K1=0

FSKClk_K0=0

Figure 8. PLL Block Diagram.

MICRF405 Datasheet(PDF) 19 Page - Micrel Semiconductor

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