MICRF218AYQS Micrel Inc, MICRF218AYQS Datasheet - Page 12

• Manufacturer Part Number: MICRF218AYQS
• Description: IC RCVR QWIKRADIO 3.3V 16-QSOP
• Manufacturer: Micrel Inc

Specifications of MICRF218AYQS

• Frequency: 300MHz ~ 450MHz
• Sensitivity: -108dBm
• Data Rate - Maximum: 10 kbps
• Modulation Or Protocol: AM
• Applications: ISM, Garage Door Openers, RKE
• Current - Receiving: 5.5mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-QSOP
• Receiving Current: 5.5mA
• Data Rate: 10Kbps
• Modulation Type: ASK, OOK
• Frequency Range: 300MHz To 450MHz
• Sensitivity Dbm: -108dBm
• Rf Ic Case Style: QSOP
• No. Of Pins: 16
• Supply Voltage Range: 3V To
• Operating Frequency (max): 450000kHz
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (typ): 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: 576-2997

September 2007
Micrel
RF IN
J2
Notes:
1. 0V = Common
2. VDD Input = 3.0 to 3.3V
3. Ref-Osc Control:
100nH
0V = 315 MHz Operation,
VDD = 390.1 MHz Operation
L4
33pF
2.2pF
C3
C2
REF-OSC CNTR
3.0 to 3.3V
3.0 to 3.3V
L2
3.9nH
SHDN
COM
COM
IF BANDWIDTH
CONTROL
VDD = WIDE BANDWIDTH
0V
100nH
DO
L3
J3
= NARROW BANDWIDTH
1
2
3
4
5
6
7
Figure 4. Dual Frequency QR218BP_SWREF, 315 MHz and 390 MHz
ZCB-0603
L3
CON2
+3V
100nF
J4
1
2
NP = Not Placed
+3V
C5
NP
R3
NP
C1
Figure 5 Evaluation Board
R5
100K
1
2
3
4
5
6
7
8
REFOSC
RO1
GNDRF
ANT
GNDRF
VDD
IF_BW
SEL0
SHDN
U1 MICRF218AYQS
DATA OUT
J1
1
2
EXTERNAL REFERENCE
OSCILLATOR INPUT
12
NP
CAGC
C7
SEL1
RSSI
GND
RO2
CTH
NC
DO
16
15
14
13
12
11
10
9
0 OHMS
JPR1
R4
0 OHMS
JPR2
NP
C4
0.047µF
R8
10k
C5
4.7µF
R10
100k
R1
NP
R2
NP
+3V
9.8131MHz
TSDF1220W
R6
10k
Y1
Q1
R7
100k
+3V
12.1287MHz
TSDF1220W
[phone]
M9999-090607
R9
10k
Y2
Q2
MICRF218
R11
100k