SI4136_10 datasheet(1/34 Pages) SILABS

Part #	SI4136

Description	ISM RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS

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Manufacturer	SILABS [Silicon Laboratories]

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Rev. 1.41 1/10

Si4136/Si4126

ISM RF S YN THESIZE R WITH I NTEGRATED VCO S

F OR WIRELESS C OMMUNICATIONS

Features

Applications

Description

The Si4136 is a monolithic integrated circuit that performs both IF and RF

synthesis for wireless communications applications. The Si4136 includes

three VCOs, loop filters, reference and VCO dividers, and phase detectors.

Divider and powerdown settings are programmable through a three-wire

serial interface.

Functional Block Diagram



Dual-band RF synthesizers



RF1: 2300 MHz to 2500 MHz



RF2: 2025 MHz to 2300 MHz



IF synthesizer



62.5 MHz to 1000 MHz

 Integrated VCOs, loop filters,

varactors, and resonators



Minimal external components

required



Low phase noise



5 µA standby current



25.7 mA typical supply current



2.7 V to 3.6 V operation



Packages: 24-pin TSSOP,

28-lead QFN



Lead-free/RoHS-compliant options

available



ISM and MMDS band

communications



Wireless LAN and WAN



Dual-band communications

IFOUT

IFLA

IFLB

RFOUT

XIN

PWDN

SDATA

SCLK

SEN

IF

RF2

RF1

AUXOUT

Phase

Detect

Phase

Detect

2

IFDIV

Phase

Detect

Test

Mux

22-bit

Data

Register

Serial

Interface

Power

Down

Control

Reference

Amplifier

R

RF1

R

RF2

R

IF

N

RF1

N

RF2

N

IF

÷1/÷2

Patents pending

Ordering Information:

See page 29.

Pin Assignments

Si4136-BT/GT

Si4136-BM/GM

SCLK

SDATA

GND

NC

GND

NC

GND

RFOUT

VDDR

SEN

VDDI

IFOUT

GND

IFLB

IFLA

GND

VDDD

GND

XIN

PWDN

AUXOUT

1

2

3

4

5

6

7

8

9

10

11

12

24

23

22

21

20

19

18

17

16

15

14

13

GND

NC

GND

IFLB

IFLA

VDDD

GND

XIN

21

20

19

18

17

16

15

8

9

10 11 12 13 14

28 27 26 25 24

23 22

1

2

3

4

5

6

7

GND

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	SI4136-F-BM	733Kb / 34P	ISM RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS
	SI4136-F-BT	733Kb / 34P	ISM RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS
	SI4136-F-GM	733Kb / 34P	ISM RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS
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SI4136 Datasheet(PDF) 1 Page - Silicon Laboratories

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