ATA8405C-6DQY-66 Microchip

ATA8404/ATA8405 UHF ASK/FSK Transmitter DATASHEET Features PLL transmitter IC with single-ended output High output power (6dBm) Low current consumption at 8.1mA (315MHz) and 8.5mA (433MHz) Divide by 24 (Atmel ATA8404) and 32 (Atmel ATA8405) blocks for 13MHz crystal frequencies and for low XTO start-up times ASK/FSK modulation with internal FSK switch Up to 20Kbps manchester coding, up to 40Kbps NRZ coding Power-down ENABLE input for parallel usage of controlling pins Supply voltage range: 1.9V to 3.6V ESD protection at all pins (4kV HBM) Small package TSSOP10 Benefits Low parasitic FSK switch integrated Fast settling time < 0.85ms Small form factor Applications Remote control systems Alarm, telemetering, and energy metering systems Home entertainment and home automation Industrial/aftermarket remote keyless entry systems Toys 9136H-AUTO-08/151. Description The Atmel ATA8404/ATA8405 is a PLL transmitter IC, which has been developed for the demands of RF low-cost transmission systems at data rates up to 20kBaud Manchester coding and 40kBaud NRZ coding. The transmitting frequency range is 313MHz to 317MHz (Atmel ATA8404) and 432MHz to 448MHz (Atmel ATA8405), respectively. It can be used in both FSK and ASK systems. Figure 1-1. System Block Diagram UHF ASK/FSK UHF ASK/FSK TPM and Remote control Remote control receiver transmitter 1 Li cell ATA8404 ATA8201 1 to 3 Micro- ATA8405 ATA8202 Demod Control controller ATA8203 ATA8204 Encoder PLL ATARx9x Keys IF Amp Antenna Antenna XTO VCO PLL XTO Power LNA VCO amp. 2 ATA8404/ATA8405 DATASHEET 9136HAUTO08/15