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PDF CMT2257AW Data sheet ( Hoja de datos )
| Número de pieza | CMT2257AW | |
| Descripción | 300 - 960MHz OOK/(G)FSK Receiver | |
| Fabricantes | CMOSTEK | |
| Logotipo |  |
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CMT2257AW
CMT2257AW
300 – 960 MHz OOK/(G)FSK Receiver with Decoder
Features
Embedded EEPROM
Very Easy Development with RFPDK
All Features Programmable
3-wire SPI Interface for EEPROM Programming
Frequency Range: 300 to 960 MHz
Symbol Rate: 0.1 to 100 ksps
Sensitivity: -109 dBm @ 9.6 ksps, FSK, 868.35 MHz
Stand-Alone, No External MCU Control Required
Embedded 1920, 1527 and 2262 Data Decoder
4 Data Outputs
Configurable Duty-Cycle Receive Mode
Low Power Consumption: 5.7 mA
Low Sleep Current
60 nA When Sleep Timer Off
440 nA When Sleep Timer On
ID Study, Factory Code Supported
RoHS Compliant
Available in QFN16(3x3) and SOP16 Packages
Descriptions
The CMT2257AW is a true single-chip, ultra low power and
high performance device that consists of an OOK/(G)FSK
RF receiver, a data decoder and 4 data output pins for
various 300 to 960 MHz wireless applications. The device
integrates a data decoder which is compatible with the most
common used encoding format of 1527 and 2262, as well
as a more flexible format of 1920 designed by CMOSTEK.
The device delivers sensitivity up to -109 dBm (FSK, 9.6
ksps symbol rate, 868.35 MHz) while consuming only 5.7
mA current when it is always on. An embedded EEPROM
allows the frequency, symbol rate and other features to be
programmed into the device using the CMOSTEK USB
Programmer and RFPDK. Alternatively, in stock product of
868.35 MHz is available for immediate demands with no
need of EEPROM programming. When pairing the device to
CMOSTEK transmitters, the synchronization ID can be
programmed into both of the transmitter and receiver during
the manufacturing phase, or studied by the receiver from
the transmitter remotely by end customers. The
CMT2257AW is part of the CMOSTEK NextGenRFTM family,
together with CMT215x series transmitters, they enable
ultra high performance, low power consumption RF links.
Applications
Low-Cost Consumer Electronics Applications
Remote Control
Smart LED Control (On/Off Dimming)
Home Security and Alarm
Garage and Gate Openers
Home and Building Automation
Industrial Monitoring and Controls
Sensor Networks
Health Monitors
Remote Keyless Entry (RKE)
Ordering Information
Part Number Frequency Package MOQ
CMT2257AW-EQR 868.35 MHz QFN16 5,000 pcs
CMT2257AW-ESR 868.35 MHz SOP16 2,500 pcs
QFN16 (3X3)
SOP16
Copyright © By CMOSTEK
Rev 1.0 | Page 1 / 5
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1 page  
CMT2257AW
D
A3
A2 A
A1
c
θ
h
0.25
L
L1
E1 E
b
Symbol
A
A1
A2
A3
b
c
D
E
E1
e
h
L
L1
θ
e
Figure 3. SOP16 Package
Table 5. SOP16 Package Dimensions
Min
-
0.05
1.30
0.60
0.39
0.21
9.70
5.80
3.70
0.25
0.50
0
Size (millimeters)
Typ
-
-
1.40
0.65
-
-
9.90
6.00
3.90
1.27 BSC
-
-
1.05 BSC
-
Max
1.75
0.225
1.50
0.70
0.48
0.26
10.10
6.20
4.10
0.50
0.80
8°
Copyright. CMOSTEK Microelectronics Co., Ltd. All rights are reserved.
The information furnished by CMOSTEK is believed to be accurate and reliable. However, no responsibility is assumed for
inaccuracies and specifications within this document are subject to change without notice. The material contained herein is
the exclusive property of CMOSTEK and shall not be distributed, reproduced, or disclosed in whole or in part without prior
written permission of CMOSTEK. CMOSTEK products are not authorized for use as critical components in life support
devices or systems without express written approval of CMOSTEK. The CMOSTEK logo is a registered trademark of
CMOSTEK Microelectronics Co., Ltd. All other names are the property of their respective owners.
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