MICRF405YML TR Micrel Inc, MICRF405YML TR Datasheet - Page 2

• Manufacturer Part Number: MICRF405YML TR
• Description: 868-915 MHz ISM Band Transmitter
• Manufacturer: Micrel Inc

Specifications of MICRF405YML TR

• Frequency: 290MHz ~ 980MHz
• Applications: ISM
• Modulation Or Protocol: ASK, FSK
• Data Rate - Maximum: 200 kbps
• Power - Output: 10dBm
• Current - Transmitting: 18mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.2 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 24-MLF®, QFN
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Product Depth (mm): 4mm
• Product Length (mm): 4mm
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 576-1965-2; MICRF405YMLTR; MICRF405YMLTR

April 2006
Table of Contents
General Description ................................................................................................................................................................... 1
Features ..................................................................................................................................................................................... 1
Applications................................................................................................................................................................................ 1
Table of Contents....................................................................................................................................................................... 2
Ordering Information .................................................................................................................................................................. 3
Block Diagram............................................................................................................................................................................ 3
Pin Configuration........................................................................................................................................................................ 4
Absolute Maximum Ratings
Operating Ratings
Electrical Characteristics ............................................................................................................................................................ 5
Electrical Characteristics (cont.)................................................................................................................................................. 6
Data and Configuration Interface ............................................................................................................................................... 7
Data Interface and Data Transfer............................................................................................................................................. 13
Main Modes of Operation ......................................................................................................................................................... 18
Power Amplifier ........................................................................................................................................................................ 18
Frequency Synthesizer............................................................................................................................................................. 19
Crystal Oscillator (XCO) ........................................................................................................................................................... 21
VCO ......................................................................................................................................................................................... 22
Charge Pump and PLL Filter.................................................................................................................................................... 24
Modulation................................................................................................................................................................................ 27
Bit Description .......................................................................................................................................................................... 34
Typical Application Circuit ........................................................................................................................................................ 42
Package Information ................................................................................................................................................................ 45
Micrel
Programming Interface Timing .............................................................................................................................................. 8
Writing to the Control Registers in MICRF405....................................................................................................................... 9
What to write: ........................................................................................................................................................................ 9
How to write:.......................................................................................................................................................................... 9
The two different ways to “program the chip” are: ................................................................................................................. 9
Writing to a Single Register ................................................................................................................................................... 9
How to write:.......................................................................................................................................................................... 9
Writing to All Registers ........................................................................................................................................................ 10
What to write ....................................................................................................................................................................... 10
How to write:........................................................................................................................................................................ 10
Writing to n Registers Having Incremental Addresses......................................................................................................... 10
What to write ....................................................................................................................................................................... 11
Writing to n Registers Having Non-Incremental Addresses................................................................................................. 12
Reading from the Control Registers in MICRF405 .............................................................................................................. 12
Reading from the Interrupt Register .................................................................................................................................... 12
Packet Engine Overview: .................................................................................................................................................... 14
How to transmit a Packet with the Packet Engine: .............................................................................................................. 15
Programming Summary....................................................................................................................................................... 17
Bit rate settings.................................................................................................................................................................... 30
Modulator ............................................................................................................................................................................ 30
Deviation setting.................................................................................................................................................................. 31
Shaping ............................................................................................................................................................................... 31
Modulator saturation............................................................................................................................................................ 31
Lock Detect ......................................................................................................................................................................... 32
Low Dropout Regulator (LDO) and Low Battery Detector.................................................................................................... 33
(2)
................................................................................................................................................................... 5
(1)
..................................................................................................................................................... 5
2
MICRF405
[phone]
M9999-041906