MICRF405YML TR Micrel Inc, MICRF405YML TR Datasheet - Page 38

• 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
VCO_freq2 VCO_freq1 VCO_freq0 Comments
Micrel
Manchester_en
Pream_Len1
MOD_A
Sel_CRC1
MOD_I
1..31
0..4
0
0
0
0
1
1
1
1
0
0
1
1
0
1
1
0
1
Comments
The deviation is linearly dependent of MOD_I
Comments
Frequency deviation attenuator (or range selector). The attenuations are (values 0 through 4, respectively)
1 ,
0
0
1
1
0
0
1
1
1
Pream_Len0
Comments
Manchester encoding disabled.
Manchester encoding enabled. Data will be encoded before transmitted.
FSKn > 0 when using modulator.
Sel_CRC0
1 ,
2
X
0
1
0
1
0
1
Table 41. Modulator Attenuator Setting for Frequency Deviation.
1 ,
Table 40. Modulator Current Setting for Frequency Deviation.
4
0
1
0
1
0
1
0
1
Table 38. Manchester Encoding (only when BIT_IO_en=0).
1
8
Comments
Preamble length is 1 byte.
Preamble length is 2 bytes.
Preamble length is 3 bytes.
Preamble length is 4 bytes.
Comments
CRC disabled
CCITT-8 CRC enabled. Byte is sent after payload data.
Polynomial function: X^8+X^5+X^4+1. (Byte part of Frame Length)
ITU-16 CRC enabled. Bytes are sent after payload data.
Polynomial function: X^16+X^12+X^5+1. (Byte part of Frame Length)
and
Not used
868 MHz, 433MHz
915 MHz
950MHz, 315MHz
1
Table 36. Preamble Field Length.
16
Table 39. VCO Frequency.
Table 37. CRC Select.
38
MICRF405
[phone]
M9999-041906