T5750 Datasheet | Atmel

Features - Integrated PLL Loop Filter - ESD Protection also at ANT1/ANT2 (4 k V HBM/200V MM; Except Pin 2: 4 k V HBM/100V MM) - High Output Power (5.5 d Bm) with Low Supply Current (8.5 m A) - Modulation Scheme ASK/FSK - FSK Modulation is Achieved by Connecting an Additional Capacitor Between the XTAL Load Capacitor and the Open Drain Output of the Modulating Microcontroller Easy to Design-in Due to Excellent Isolation of the PLL from the PA and Power Supply Single Li-cell for Power Supply Supply Voltage 2.0V to 4.0V in the Temperature Range of - 40°C to +85°C/+125°C Package TSSOP8L Single-ended Antenna Output with High Efficient Power Amplifier CLK Output for Clocking the Microcontroller One-chip Solution with Minimum External Circuitry 125°C Operation for Tire Pressure Systems - - - - - - - - UHF ASK/FSK Transmitter T5750 1. Description The T5750 is a PLL transmitter IC which has been developed for the demands of RF low-cost transmission systems at data rates up to 32 k Baud. The transmitting frequency range is 868 MHz to 928 MHz. It can be used in both FSK and ASK systems. Figure 1-1. 1 Li cell System Block Diagram .. UHF ASK/FSK Remote control transmitter T5750 T5760/ T5761 UHF ASK/FSK Remote control receiver 1 to 3 Demod Control Microcontroller Keys Encoder ATARx9x PLL Antenna XTO VCO Antenna PLL XTO 4546E- RKE- 02/07 2. Pin Configuration Figure 2-1. Pinning TSSOP8L CLK PA_ENABLE ANT2 ANT1 1 2 3 4 8 7 6 5 ENABLE GND VS XTAL Table 2-1. Pin Pin Description Symbol Function Configuration Clock output signal for micro con roller The clock output frequency is set by the crystal to f...