SI1012-A-GM Silicon Laboratories Inc, SI1012-A-GM Datasheet - Page 24
![IC TXRX MCU + EZRADIOPRO](/photos/14/21/142131/42-qfn-series_sml.jpg)
SI1012-A-GM
Manufacturer Part Number
SI1012-A-GM
Description
IC TXRX MCU + EZRADIOPRO
Manufacturer
Silicon Laboratories Inc
Specifications of SI1012-A-GM
Package / Case
42-QFN
Frequency
240MHz ~ 960MHz
Data Rate - Maximum
256kbps
Modulation Or Protocol
FSK, GFSK, OOK
Applications
General Purpose
Power - Output
13dBm
Sensitivity
-121dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
18.5mA
Current - Transmitting
30mA
Data Interface
PCB, Surface Mount
Memory Size
16kB Flash, 768B RAM
Antenna Connector
PCB, Surface Mount
Number Of Receivers
1
Number Of Transmitters
1
Wireless Frequency
240 MHz to 960 MHz
Interface Type
UART, SMBus, SPI, PCA
Output Power
13 dBm
Operating Supply Voltage
0.9 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Maximum Supply Current
4 mA
Minimum Operating Temperature
- 40 C
Modulation
FSK, GFSK, OOK
Protocol Supported
C2, SMBus
Core
8051
Program Memory Type
Flash
Program Memory Size
16 KB
Data Ram Size
768 B
Supply Current (max)
4 mA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Operating Temperature
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1871-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI1012-A-GMR
Manufacturer:
ROHM
Quantity:
12 000
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Si1010/1/2/3/4/5
1.1. Typical Connection Diagram
The application shown in Figure 1.7 is designed for a system with a TX/RX direct-tie configuration without
the use of a TX/RX switch. Most lower power applications will use this configuration. A complete direct-tie
reference design is available from Silicon Laboratories applications support.
For applications seeking improved performance in the presence of multipath fading, antenna diversity can
be used. Antenna diversity support is integrated into the EZRadioPRO transceiver and can improve the
system link budget by 8–10 dB in the presence of these fading conditions, resulting in substantial range
increases. A complete Antenna Diversity reference design is available from Silicon Laboratories applica-
tions support.
24
supply voltage
C3
1
2
3
L4
Figure 1.8. Si1010/1 Antenna Diversity Application Example
TR & ANT-DIV
Figure 1.7. Si1012/3 RX/TX Direct-Tie Application Example
Supply Voltage
Switch
C2
L3
100p
C6
L6
6
5
4
C5
100n
C7
100 p
C6
C3
L3
L2
L5
C4
C4
C5
100 n
C7
C2
1u
C8
L4
L2
C1
Programm able load capacitors for X1 are integrated.
L1-L6 and C1-C5 values depend on frequency band , antenna
im pedance, output power and supply voltage range.
L1
1 u
C8
C1
Rev. 1.0
RXn
L1
RFp
TX
VDD_RF
RXn
RXp
TX
30MHz
VDD_RF
X1
Si101x
30MHz
X1
Si101x
VDD_M CU
VDD_DIG
Programmable load capacitors for X1 are
integrated.
L1–L4 and C1–C5 values depend on frequency
band, antenna impedance, output power, and
supply voltage range.
1u
C9
VDD_MCU
VDD_DIG
Px.x
1u
C9
Px.x
0.1 uF
0.1 uF
0.1 uF
0.1 uF
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