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PDF Si4455 Data sheet ( Hoja de datos )
| Número de pieza | Si4455 | |
| Descripción | LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER | |
| Fabricantes | Silicon Laboratories | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de Si4455 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Si4455
EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ
TRANSCEIVER
Features
Frequency range =
Max data rate = 500 kbps
283–960 MHz
Power supply = 1.8 to 3.6 V
Receive sensitivity =
–116 dBm
Modulation
TX and RX 64 byte FIFOs
Automatic frequency control (AFC)
Automatic gain control (AGC)
(G)FSK
Integrated battery voltage sensor
OOK
Max output power = +13 dBm
Packet handling including
preamble, sync word detection, and
Low active power consumption CRC
10 mA RX
Low BOM
18 mA TX @ +10 dBm
Low standby current = 50 nA 20-Pin 3x3 mm QFN package
Applications
Pin Assignments
Remote control
Home security and alarm
Telemetry
Garage and gate openers
Remote keyless entry
Home automation
Industrial control
Sensor networks
Health monitors
Description
Silicon Laboratories’ Si4455 is an easy-to-use, low current, sub-GHz
EZRadio® transceiver. Covering all major bands, it combines
plug-and-play simplicity with the flexibility needed to handle a wide variety
of applications. The compact 3x3 mm package size combined with a low
external BOM count makes the Si4455 both space efficient and cost
effective. The +13 dBm output power and excellent sensitivity of
–116 dBm allows for a longer operating range, while the low current
consumption of 18 mA TX (at 10 dBm), 10 mA RX, and 50 nA standby,
provides for superior battery life. By fully integrating all components from
the antenna to the GPIO or SPI interface to the MCU, the Si4455 makes
realizing this performance in an application easy. Design simplicity is
further exemplified in the Wireless Development Suite (WDS) user
interface module. This configuration module provides simplified
programming options for a broad range of applications in an easy to use
format that results in both a faster and lower risk development. Like all
Silicon Laboratories’ EZRadio devices, the Si4455 is fully compliant with
most worldwide regulatory standards such as FCC, ETSI, and ARIB.
GND 1 20 19 18 17 16 nSEL
SDN 2
15 SDI
RXp 3
RXn 4
Si4455
14 SDO
13 SCLK
TX 5
12 nIRQ
GND 6 7 8 9 10 11 GPIO1
Patents pending
Rev 1.0 7/12
Copyright © 2012 by Silicon Laboratories
Si4455
1 page  
Si4455
Table 3. Synthesizer AC Electrical Characteristics1
Parameter
Synthesizer Frequency
Range
Symbol
FSYN
Test Condition
Min Typ Max Unit
283 — 350 MHz
425 — 525 MHz
850 — 960 MHz
Synthesizer Frequency
Resolution2
FRES-960
FRES-525
850–960 MHz
425–525 MHz
— 114.4 —
— 57.2 —
Hz
Hz
FRES-350
283–350 MHz
— 38.1 — Hz
Synthesizer Settling Time2
tLOCK Measured from exiting Ready mode with
XOSC running to any frequency.
— 130 — µs
Including VCO Calibration.
Notes:
1. All specifications guaranteed by production test unless otherwise noted. Production test conditions and max limits are
listed in section "1.1. Definition of Test Conditions" on page 11.
2. Guaranteed by qualification. Qualification test conditions are listed in section "1.1. Definition of Test Conditions" on
page 11.
Rev 1.0
5
5 Page 
Si4455
1.1. Definition of Test Conditions
Production Test Conditions:
TA = +25 °C
VDD = +3.3 VDC
Sensitivity measured at 434 MHz using a PN15 modulated input signal and with packet handler mode
enabled.
External reference signal (XIN) = 1.0 VPP at 30 MHz, centered around 0.8 VDC
Production test schematic (unless noted otherwise)
All RF input and output levels refer to the pins of the Si4455 (not the RF module)
Qualification Test Conditions:
TA = –40 to +85 °C (typical = 25 °C)
VDD = +1.8 to +3.6 VDC (typical = 3.3 VDC)
Use TX/RX Split Antenna reference design or production test schematic
All RF input and output levels refer to the pins of the Si4455 (not the RF module)
Rev 1.0
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet Si4455.PDF ] | |
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