AT86RF231-ZU Atmel, AT86RF231-ZU Datasheet - Page 89
![IC TXRX ZIGBE/802.15.4/ISM 32QFN](/photos/14/21/142149/mfg_at86rf231-zu_sml.jpg)
AT86RF231-ZU
Manufacturer Part Number
AT86RF231-ZU
Description
IC TXRX ZIGBE/802.15.4/ISM 32QFN
Manufacturer
Atmel
Datasheet
1.AT86RF231-ZUR.pdf
(198 pages)
Specifications of AT86RF231-ZU
Frequency
2.4GHz
Data Rate - Maximum
2Mbps
Modulation Or Protocol
802.15.4 Zigbee, 6LoWPAN, RF4CE, SP100, WirelessHART™, ISM
Applications
Industrial Monitoring and Control, Wireless Alarm and Security Systems
Power - Output
-17dBm ~ 3dBm
Sensitivity
-101dBm
Voltage - Supply
1.8 V ~ 3.6 V
Current - Receiving
12.3mA
Current - Transmitting
14mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Number Of Receivers
1
Number Of Transmitters
1
Wireless Frequency
2405 MHz to 2480 MHz
Interface Type
SPI
Noise Figure
6 dB
Output Power
20 dB
Operating Supply Voltage
2.5 V, 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Maximum Supply Current
12.3 mA
Minimum Operating Temperature
- 40 C
Modulation
OQPSK
Protocol Supported
802.15.4
Transmitting Current
11.6mA
Data Rate
2Mbps
Frequency Range
2.405GHz To 2.48GHz
Modulation Type
O-QPSK
Sensitivity Dbm
-101dBm
Rf Ic Case Style
QFN
No. Of Pins
32
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT86RF231-ZU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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8.3
8.3.1
8.3.2
8.3.3
8111C–MCU Wireless–09/09
Received Signal Strength Indicator (RSSI)
Overview
Reading RSSI
Data Interpretation
The Received Signal Strength Indicator is characterized by:
The RSSI is a 5-bit value indicating the receive power in the selected channel, in steps of 3 dB.
No attempt is made to distinguish IEEE 802.15.4 signals from others, only the received signal
strength is evaluated. The RSSI provides the basis for an ED measurement, see
“Energy Detection (ED)” on page
In Basic Operating Mode the RSSI value is valid in any receive state, and is updated every
t
It is not recommended to read the RSSI value when using the Extended Operating Mode. The
automatically generated ED value should be used alternatively, see
tion (ED)” on page
The RSSI value is a 5-bit value indicating the receive power, in steps of 3 dB and with a range of
0 - 28.
An RSSI value of 0 indicates a receiver RF input power of P
the range of 1 to 28, the RF input power can be calculated as follows:
P
TR25
RF
• Minimum RSSI level is -91 dBm (RSSI_BASE_VAL)
• Dynamic range is 81 dB
• Minimum RSSI value is 0
• Maximum RSSI value is 28
= RSSI_BASE_VAL + 3
= 2 µs to register 0x06 (PHY_RSSI).
91.
*
(RSSI -1) [dBm]
91.
RF
< -91 dBm. For an RSSI value in
Section 8.4 “Energy Detec-
AT86RF231
Section 8.4
89
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