CMT2250AW
CMT2250AW
300 – 480 MHz OOK Receiver with Decoder
Features
Applications
Embedded EEPROM
Very Easy Development with RFPDK
All Features Programmable
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)
3-wire SPI Interface for EEPROM Programming
Frequency Range: 300 to 480 MHz
Symbol Rate: 0.1 to 40 ksps
Sensitivity: -114 dBm at 1 ksps, 0.1% BER
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: 3.8 mA
Low Sleep Current
60 nA When Sleep Timer Off
440 nA When Sleep Timer On
Ordering Information
Part Number
CMT2250AW-EQR
CMT2250AW-EDB
CMT2250AW-ESR
Frequency
433.92 MHz
433.92 MHz
433.92 MHz
Package
QFN16
DIP16
SOP16
MOQ
5,000 pcs
1,000 pcs
2,500 pcs
ID Study, Factory Code Supported
RoHS Compliant
Available in QFN16( 3x3), DIP16 and SOP16 Packages
Descriptions
The CMT2250AW is a true single-chip, ultra low power and
high performance device that consists of an OOK RF
receiver, a data decoder and 4 data output pins for various
300 to 480 MHz wireless applications. The device
integrates a data decoder that is not only compatible with
the most common used encoding format of 1527 and 2262,
but also a more efficient, flexible and powerful format of
1920 designed by CMOSTEK. The device delivers
sensitivity up to -114 dBm while consuming only 3.8 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
433.92 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.
TM
QFN16 (3
X
3)
DIP16
The
family,
SOP16
CMT2250AW is part of the CMOSTEK NextGenRF
ultra low cost, low power consumption RF links.
together with CMT215x series transmitters, they enable
Copyright © By CMOSTEK
Rev 1.1 | Page 1 / 4
www.hoperf.com
CMT2250AW
DATA3
DATA2
VCON
VCOP
VCOP
VCON
8
7
6
5
XIN
XOUT
DATA1
DATA0/TEST
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
DATA3
DATA2
XIN
XOUT
DATA1
DATA0/TEST
NC
SCL
12
GND 13
RFIN 14
GND 15
VDD 16
1
CSB
11
10
9
GND
RFIN
GND
VDD
CSB
SDA
2
SDA
3
SCL
4
NC
QFN16(3x3) Top View
SOP16/DIP16 Top View
Table 2. CMT2250AW Pin Descriptions in QFN16 (3x3) Package
Pin Number
1
2
3
4
5
6
7
8
9, 10
11
12
13, 15
14
16
Name
CSB
SDA
SCL
NC
DATA0/TEST
DATA1
XOUT
XIN
DATA2, DATA3
VCOP
VCON
GND
RFIN
VDD
I/O
I
IO
I
-
O
O
O
I
O
IO
I
I
I
Descriptions
3-wire SPI chip select input for EEPROM programming
3-wire SPI data input and output for EEPROM programming
3-wire SPI clock input for EEPROM programming
Not connected, leave floating
Data output, connect to an LED or other device
Receiving data output for production test purpose
Data output, connect to an LED or other device
Crystal oscillator output
Crystal oscillator input or external reference clock input
Data outputs, connect to LEDs or other devices
VCO tank, connected to an external inductor
Ground
RF signal input to the LNA
Power supply input
Table 1. CMT2250AW Pin Assignments in SOP16/DIP16 Package
Pin Number
1
2
3, 5
4
6
7
8
9
10
11
12
13
14
15,16
Name
VCOP
VCON
GND
RFIN
VDD
CSB
SDA
SCL
NC
DATA0/TEST
DATA1
XOUT
XIN
DATA2, DATA3
I/O
IO
I
I
I
I
IO
I
-
O
O
O
I
O
Descriptions
VCO tank, connected to an external inductor
Ground
RF signal input to the LNA
Power supply input
3-wire SPI chip select input for EEPROM programming
3-wire SPI data input and output for EEPROM programming
3-wire SPI clock input for EEPROM programming
Not connected, leave floating
Data output, connect to an LED or other device
Receiving data output for production test purpose
Data output, connect to an LED or other device
Crystal oscillator output
Crystal oscillator input or external reference clock input
Data outputs, connect to LEDs or other devices
Rev 1.1 | Page 2 / 4
www.hoperf.com
CMT2250AW
Typical Application
DATA3
L2
DATA2
11
12
10
DATA3
R3
LED3
DATA2
DATA3
VCON
ANT
13
C1
GND
DATA2
V C OP
9
R2
LED2
VDD
XIN
8
X1
C2
DATA1
R1
LED1
14
L1
RFIN
U1
CMT2250AW
XOUT
7
C3
DATA0
R0
LED0
15
GND
DATA1
6
DATA1
J1
VDD
16
C0
VDD
CSB
SDA
S CL
DATA0/TEST
NC
5
DATA0
VDD
1
CSB
SDA
SCL
2
3
4
5
1
2
3
CSB
SDA
S CL
4
Note: Connector J1 is for
EEPROM Programming.
Figure 1. CMT2250AW Typical Application Schematic
Table 1. BOM of Typical Application
Value
(Match to 50Ω ANT)
Value
(Common Used ANT)
Designator
Descriptions
315 MHz
CMT2250AW, 300 – 480
U1
MHz OOK receiver with
decoder
X1
L1
L2
C1
C0
C2, C3
R0/1/2/3
LED0/1/2/3
±20 ppm, SMD32*25 mm,
crystal
±5%, 0603 multi-layer chip
inductor
±5%, 0603 multi-layer chip
inductor
±0.25 pF, 0402 NP0, 50 V
±20%, 0402 X7R, 25 V
±5%, 0402 NP0, 50 V
5%, 0402 chip resistor
SMD3528, orange LED
33
33
5.6
0.1
27
330
40
26
27
22
3.3
68
33
4.3
0.1
27
330
40
26
33
22
2.7
MHz
nH
nH
pF
uF
pF
Ω
mW
EPSON
Murata LQG18
Murata LQG18
Murata GRM15
Murata GRM15
Murata GRM15
-
-
-
CMOSTEK
433.92 MHz
315 MHz
433.92 MHz
Unit
Manufacturer
Rev 1.1 | Page 3 / 4
www.hoperf.com
CMT2250AW
Package Outline
D
e
b
D2
E
16
E2
16
1
Top View
1
Bottom View
Side View
Figure 2. 16-Pin QFN 3x3 Package
Table 3. 16-Pin QFN 3x3 Package Dimensions
Size (millimeters)
Symbol
Min
A
A1
b
c
D
D2
e
E
E2
L
2.90
1.55
0.35
0.7
-
0.18
0.18
2.90
1.55
0.50 BSC
3.10
1.75
0.45
Max
0.8
0.05
0.30
0.25
3.10
1.75
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.
Rev 1.1 | Page 4 / 4
A1
A
c
L
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