CMT2119A

CMT2119A A CMT2119A 240 960 MHz (G)FSK/OOK Transmitter Features Applications Optional Chip Feature Configuration Schemes Low-Cost Consumer Electronics Applications On-Line Registers Configuration Home and Building Automation Off-Line EEPROM Programming Remote Fan Controllers Frequency Range: 240 to 960 MHz Infrared Transmitter Replacements FSK, GFSK and OOK Modulation Industrial Monitoring and Controls Symbol Rate: Remote Lighting Control 0.5 to 100 ksps (FSK/GFSK) Wireless Alarm and Security Systems 0.5 to 30 ksps (OOK) Remote Keyless Entry (RKE) Deviation: 1.0 to 200 kHz Two-wire Interface for Registers Accessing and EEPROM Programming Ordering Information Output Power: -10 to +13 dBm Supply Voltage: 1.8 to 3.6 V Part Number Frequency Package MOQ Sleep Current: < 20 nA CMT2119A-ESR 868.35 MHz SOT23-6 3,000 pcs FCC/ETSI Compliant More Ordering Info: See Page 24 RoHS Compliant 6-pin SOT23-6 Package Descriptions The CMT2119A is a high performance, highly flexible, low-cost, single-chip (G)FSK/OOK transmitter for various 240 to 960 MHz wireless applications. It is a part of the TM CMOSTEK NextGenRF family, which includes a complete line of transmitters, receivers and transceivers. The CMT2119A provides the simplest way to control the data transmission. The transmission is started when an effective SOT23-6 level turnover is detected on the DATA pin, while the t ransmission action will stop after the DATA pin holding level low for a defined time window, or after a two-wire interface (TWI) command is issued. The chip features can be 6 configured in two different ways: setting the configuration 1 VDD XTAL registers through the TWI, or programming the embedded EEPROM with CMOSTEK USB Programmer and the 5 RFO GND 2 RFPDK. The device operates from a supply voltage of 1.8 V to 3.6 V, consumes 27.6 mA (FSK 868.35 MHz) when transmitting +10 dBm output power, and only leak 20 nA DATA CLK 4 3 when it is in sleep state. The CMT2119A transmitter together with the CMT2219A receiver enables a robust RF link. CMT2119A Rev 0.9 Page 1/29 www.cmostek.com Copyright By CMOSTEK CMT2119A Typical Application CMT2119A X1 VDD VDD 1 6 J1 VDD ANT XTAL VDD MCU 1 C0 L1 DATA 2 DATA CLK U2 L2 CLK 3 2 5 U1 4 GND RFO C1 C2 Note: Connector J1 is for EEPROM 3 4 DATA DATA CLK CLK Optional Programming Figure 1. CMT2119A Typical Application Schematic Table 1. BOM of 433.92/868.35 MHz Low-Cost Application Value Designator Descriptions Unit Manufacturer 433.92 MHz 868.35 MHz CMT2119A, 240 960 MHz (G)FSK/OOK U1 - - CMOSTEK transmitter Optional MCU for on-line register U2 - - - configuration X1 20 ppm, SMD32*25 mm crystal 26 MHz EPSON C0 20%, 0402 X7R, 25 V 0.1 uF Murata GRM15 C1 5%, 0402 NP0, 50 V 82 82 pF Murata GRM15 C2 5%, 0402 NP0, 50 V 9 3.9 pF Murata GRM15 L1 5%, 0603 multi-layer chip inductor 180 100 nH Murata LQG18 L2 5%, 0603 multi-layer chip inductor 27 8.2 nH Murata LQG18 Rev 0.9 Page 2/29 www.cmostek.com