MICRF405YML TR Micrel Inc, MICRF405YML TR Datasheet - Page 25

• 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
Micrel
Divider
Divider
Divider
Divider
Open
Mod.
Type
VCO
VCO
loop
Figure 11. Loop filter for: a) Closed Loop Modulation, b) Open Loop Modulation and c) Internal Dual Path Filter.
CPO UT, pin 20
[MHz]
Freq
315
433
868
915
All
All
All
C1
[kbaud/
> 100
< 200
Baud
Rate
sec]
> 30
< 20
< 20
< 15
< 20
C2
R1
Manchester
Manchester
Coding
DC-free
DC-free
DC-free
DC-free
DC-free
a)
R2
CP, internal
CP, internal
Vref
Table 17. External Loop Filter Values.
C3
VARIN, pin 21
R1
[kHz]
PLL
BW
0.8
3.0
17
18
20
21
26
C2
margin
Phase
[°]
56
56
60
60
51
60
56
-
+
25
c)
C1
CPO UT, pin 20
detector
Phase
Freq.
[kHz]
100
100
500
500
700
500
500
C1
R3
C2
0.068
0.068
0.082
0.047
0.047
C3
0.68
[nF]
C1
10
VARIN, internal
R1
b)
0.47
[nF]
100
6.8
6.8
4.7
4.7
C2
68
47nF
[kΩ]
VARIN, pin 21
6.2
R1
27
30
30
27
36
43
C3
[kΩ]
NC
R2
75
75
75
91
-
-
MICRF405
[phone]
M9999-041906
33000
[pF]
5.6
C3
12
12
18
-
-