MICRF620 Micrel Inc, MICRF620 Datasheet - Page 2

• Manufacturer Part Number: MICRF620
• Manufacturer: Micrel Inc

Specifications of MICRF620

• Operating Temperature (min): -20C
• Operating Temperature Classification: Commercial
• Modulation Type: FSK
• Lead Free Status / Rohs Status: Not Compliant

Contents
General Description ................................................................................................................................................................ 1
Features .................................................................................................................................................................................. 1
Applications ............................................................................................................................................................................. 1
Contents .................................................................................................................................................................................. 2
RadioWire
Ordering Information ............................................................................................................................................................... 3
Block Diagram ......................................................................................................................................................................... 3
Pin Configuration..................................................................................................................................................................... 4
Pin Description ........................................................................................................................................................................ 4
Absolute Maximum Ratings
Operating Ratings
Electrical Characteristics......................................................................................................................................................... 5
Programming........................................................................................................................................................................... 7
Programming Interface Timing.............................................................................................................................................. 10
Frequency Synthesizer ......................................................................................................................................................... 12
Modes of Operation............................................................................................................................................................... 13
Receiver ................................................................................................................................................................................ 14
Transmitter ............................................................................................................................................................................ 17
Using the XCO-tune Bits ....................................................................................................................................................... 17
Application Circuit Illustration ................................................................................................................................................ 18
Assembling the MICRF620 ................................................................................................................................................... 19
Layout.................................................................................................................................................................................... 19
Package Dimensions ............................................................................................................................................................ 21
Tape Dimensions .................................................................................................................................................................. 21
Micrel, Inc.
July 2006
General ............................................................................................................................................................................... 7
Writing to the Control Registers in MICRF620 ................................................................................................................... 8
Writing to a Single Register ................................................................................................................................................ 8
Writing to All Registers ....................................................................................................................................................... 8
Writing to n Registers Having Incremental Addresses ....................................................................................................... 9
Reading from the Control Registers in MICRF620 ............................................................................................................. 9
Reading n Registers from MICRF620................................................................................................................................. 9
Power on Reset ................................................................................................................................................................ 11
Programming Summary.................................................................................................................................................... 11
Crystal Oscillator (XCO) ................................................................................................................................................... 12
VCO .................................................................................................................................................................................. 12
Lock Detect ....................................................................................................................................................................... 13
Transceiver Sync/Non-Synchronous Mode ...................................................................................................................... 14
Data Interface ................................................................................................................................................................... 14
Front End .......................................................................................................................................................................... 15
Sallen-Key Filters.............................................................................................................................................................. 15
Switched Capacitor Filter.................................................................................................................................................. 15
RSSI.................................................................................................................................................................................. 16
FEE ................................................................................................................................................................................... 16
Bit Synchronizer................................................................................................................................................................ 17
Power Amplifier................................................................................................................................................................. 17
Frequency Modulation ...................................................................................................................................................... 17
Recommended Reflow Temperature Profile .................................................................................................................... 19
Shock/Vibration during Reflow.......................................................................................................................................... 19
Handassembling the MICRF620....................................................................................................................................... 19
Recommended Land Pattern............................................................................................................................................ 19
Layout Considerations ...................................................................................................................................................... 20
®
RF Module Selection Guide................................................................................................................................. 3
(2)
................................................................................................................................................................ 5
(1)
................................................................................................................................................. 5
2
MICRF620/MICRF620Z
M9999-120205