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PDF A7131 Data sheet ( Hoja de datos )
| Número de pieza | A7131 | |
| Descripción | 2.4GHz FSK/GFSK 10 dBm 4Mbps Transceiver | |
| Fabricantes | AMICCOM | |
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A7131
2.4GHz FSK/GFSK 10 dBm 4Mbps Transceiver
bDocument Title
A7131 Data Sheet, 2.4GHz FSK/GFSK Transceiver with 10 dBm PA at 4Mbps data rate.
Revision History
Rev. No.
0.1
0.2
0.3
History
Initial issue.
Add descriptions for HECF, FECF and CRCF clear method in 9.2.1
Add suggestion in WOR function
Issue Date
June, 2012
Aug., 2012
Oct. 2012
Remark
Preliminary
Preliminary
Preliminary
Important Notice:
AMICCOM reserves the right to make changes to its products or to discontinue any integrated circuit product or service
without notice. AMICCOM integrated circuit products are not designed, intended, authorized, or warranted to be suitable for
use in life-support applications, devices or systems or other critical applications. Use of AMICCOM products in such
applications is understood to be fully at the risk of the customer.
Oct., 2012, Version 0.3 (PRELIMINARY)
1 AMICCOM Electronics Corporation
1 page  
A7131
2.4GHz FSK/GFSK 10 dBm 4Mbps Transceiver
1. General Description
A7131 is a high output power and low cost 2.4GHz ISM band wireless transceiver. This device integrates both high sensitivity
receiver (-88dBm @ 4Mbps) and programmable power amplifier (-18 ~ 10dBm). A7131 is used for 4Mbps on-air data rates
operation.
A7131 supports fast settling time (90 us) for frequency hopping system. For packet handling, A7131 has built-in separated
64-bytes TX/RX FIFO (could be logically extended to 4K bytes) for data buffering and burst transmission, auto-ack and
auto-resend, CRC for error packet filtering, FEC for 1-bit data correction per code word, RSSI for clear channel assessment,
thermal sensor for monitoring relative temperature, WOR (Wake on RX) function to support periodically wake up from sleep
mode to RX mode and listen for incoming packets without MCU interaction, data whitening for data encryption / decryption. In
addition, A7131 has built-in AES128 co-processor (Advanced Encryption Standard) for advanced data encryption and
decryption which consists of the transformation of a 128-bit block into an encrypted 128-bit block. Those functions are very
easy to use while developing a wireless system. All features are integrated in a small QFN 4X4 20 pins package.
A7131’s control registers are accessed via 3-wire or 4-wire SPI interface such as TX/RF FIFO, ID register, RSSI value,
frequency hopping to chip calibration procedures. Another one, via SPI as well, is the unique Strobe command; A7131 can
be controlled from power saving mode (deep sleep, sleep, idle, standby), PLL mode, TX mode and RX mode. The other
connections between A7131 and MCU are GIO1 and GIO2 (multi-function GPIO) to output A7131’s status so that MCU could
use either polling or interrupt scheme for radio control. Overall, this device is very easy-to-use for developing a wireless
application with a MCU.
2. Typical Applications
n 2.4GHz baby monitor
n 2.4GHz Hi-Fi audio streaming
n 2.4GHz video door ring
n 2400 ~ 2483.5 MHz ISM system
n Wireless home security and automation
n Wireless toys
3. Feature
n Small size (QFN4 X4, 20 pins).
n Frequency band: 2400 ~ 2483.5MHz.
n FSK or GFSK modulation
n Low current consumption: RX 27mA (4Mbps), TX 35mA (at 10dBm output power).
n Deep sleep current (0.1 uA).
n Sleep current (4 uA).
n On chip regulator, support input voltage 2.0 ~ 3.6 V.
n High data rate 4Mbps.
n Programmable TX power level from – 18 dBm to 10 dBm.
n High RX sensitivity:
u -88dBm at 4Mbps on-air data rate.
n Fast settling time (90 us) synthesizer for frequency hopping system.
n On chip low power RC oscillator for WOR (Wake on RX) function.
n Built-in AES128 co-processor
n AGC (Auto Gain Control) for the wide RSSI dynamic range.
n AFC (Auto Frequency Compensation) for frequency drift due to temperature.
n Support low cost crystal (16 MHz).
n Low Battery Detector indication.
n Easy to use.
u Support 3-wire or 4-wire SPI.
u Unique Strobe command via SPI.
u ONE register setting for new channel frequency.
u CRC Error Packet Filtering.
u Auto-acknowledgement and auto-resend.
u Dynamic FIFO length.
u 8-bits RSSI measurement for clear channel indication.
u Auto Calibrations.
Oct., 2012, Version 0.3 (PRELIMINARY)
5 AMICCOM Electronics Corporation
5 Page 
A7131
2.4GHz FSK/GFSK 10 dBm 4Mbps Transceiver
Receiver
Receiver sensitivity
@ BER = 0.1%
IF Filter bandwidth
IF center frequency
Interference *8
(4Mbps , IF = 4MHz)
Maximum Operating Input Power
RX Spurious Emission *5
RSSI Range
RX Ready Time
Regulator
Regulator settling time
Band-gap reference voltage
Regulator output voltage
Digital IO DC characteristics
High Level Input Voltage (VIH)
Low Level Input Voltage (VIL)
High Level Output Voltage (VOH)
Low Level Output Voltage (VOL)
Data rate 4Mbps
Data rate 4Mbps (GFSK)
IFS = [11] for 4Mbps
IFS = [11] for 4Mbps
Co-Channel (C/I0)
±4MHz Adjacent Channel
±8MHz Adjacent Channel
±12MHz Adjacent Channel
±16MHz Adjacent Channel
Image (C/IIM)
@RF input (BER=0.1%)
30MHz~1GHz
1GHz~12.75GHz
AGC = 0
AGC = 1
Pin 2 connected to 470pF.
(Sleep to idle).
@IOH= -0.5mA
@IOL= 0.5mA
-95
-95
1.79
0.8*VDD
0
VDD-0.4
0
-88
-85
4.8M
4M
11
0
- 10
- 20
- 30
- 10
90
0.5
1.28
1.8
10
-57
-47
-50
-30
2.3
VDD
0.2*VDD
VDD
0.4
dBm
Hz
Hz
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
ms
ms
V
V
V
V
V
V
Note 1: When VDD = 2.0V, the max TX output power is about 8 dBm.
Note 2: When digital I/O pins are configured as input, those pins shall NOT be floating but pull either high or low (SCS shall
be pulled high only); otherwise, leakage current will be induced.
Note 3: Xtal settling time is depend on Xtal package type, Xtal ESR and Xtal Cm.
Note 4: Refer to Delay Register I (17h) to set PDL (PLL settling delay).
Note 5: With external RF filter that provides minimum 17dB of attenuation in the band: 30MHz ~ 2GHz and 3GHz ~12.75GHz.
Note 6: Refer to TX Register II (16h) to set FD [7:0].
Note 7: Refer to Delay Register I (17h) to set PDL and TDL.
Note 8: The wanted signal is set above sensitivity level +3dB. The modulation data of wanted signal and interferer
are PN9 and PN15, respectively.
Oct., 2012, Version 0.3 (PRELIMINARY)
11 AMICCOM Electronics Corporation
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet A7131.PDF ] | |
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