SI4312-B10-GM Silicon Laboratories Inc, SI4312-B10-GM Datasheet - Page 7

• Manufacturer Part Number: SI4312-B10-GM
• Description: IC RX OOK 315/434MHZ 20VQFN
• Manufacturer: Silicon Laboratories Inc
• Series: EZRadio®r
• Type: ISM Receiverr

Specifications of SI4312-B10-GM

• Package / Case: 20-VQFN
• Frequency: 315MHz, 434MHz
• Sensitivity: -110dBm
• Data Rate - Maximum: 10 kBaud
• Modulation Or Protocol: OOK
• Applications: Garage Openers, RKE, Security Alarms
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Operating Frequency: 315 MHz to 434 MHz
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 95 C
• Minimum Operating Temperature: - 45 C
• Mounting Style: SMD/SMT
• Supply Current: 20 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Current - Receiving: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1977-5

2. Typical Application Schematic
2.1. Typical Application Bill of Materials
Component(s)
C1
C2
C3
R1
U1
L1
X1
ANTENNA
C3
20 k
R1
RX
1 uF
C2
L1
Figure 2. Si4312 OOK 433.92 MHz Application Schematic
Supply bypass capacitor, 22 nF, 20%, Z5U/X7R
33 nH for 433.92 MHz and 62 nH for 315 MHz
Table 7. Si4312 Typical Application Bill of Materials
Si4312 315/433.92 MHz OOK receiver
RATIO
Antenna matching capacitor, 15 pF
VDD
Time constant capacitor, 1 µF
Time constant resistor, 20 k
Antenna matching inductor,
1
2
3
4
5
Value/Description
VDD
RFGND
RX_IN
RST
RATIO
16 MHz crystal
Si4312-GM
Rev. 0.5
U1
X1 (16 MHz)
DOUT
GND
VDD
BT0
BT1
15
14
13
12
11
VDD
Silicon Laboratories
22 nF
C1
Supplier(s)
Hosonic
Murata
Murata
Murata
Murata
Murata
DOUT
TH0
TH1
BT0
BT1
VBATTERY
2.7 to 3.6 V
Si4312
7