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CC1312PSIP Datasheet(PDF) 23 Page - Texas Instruments |
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CC1312PSIP Datasheet(HTML) 23 Page - Texas Instruments |
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23 / 80 page  8.13 861 MHz to 1054 MHz - PLL Phase Noise Narrowband Mode When measured on the reference design with Tc = 25 °C, VDDS = 3.0 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Phase noise in the 868- and 915-MHz bands 150 kHz PLL loop bandwith ±10 kHz offset –93 dBc/Hz ±100 kHz offset –93 dBc/Hz ±200 kHz offset –95 dBc/Hz ±400 kHz offset –104 dBc/Hz ±1000 kHz offset –121 dBc/Hz ±2000 kHz offset –130 dBc/Hz ±10000 kHz offset –140 dBc/Hz 8.14 Timing and Switching Characteristics 8.14.1 Reset Timing PARAMETER MIN TYP MAX UNIT RESET_N low duration 1 µs 8.14.2 Wakeup Timing Measured over operating free-air temperature with VDDS = 3.0 V (unless otherwise noted). The times listed here do not include software overhead. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT MCU, Reset to Active(1) 850 - 4000 µs MCU, Shutdown to Active(1) 850 - 4000 µs MCU, Standby to Active 165 µs MCU, Active to Standby 39 µs MCU, Idle to Active 15 µs (1) The wakeup time is dependent on remaining charge on VDDR capacitor when starting the device, and thus how long the device has been in Reset or Shutdown before starting up again. 8.14.3 Clock Specifications 8.14.3.1 48 MHz Crystal Oscillator (XOSC_HF) and RF frequency accuracy The module contains a 48 MHz crystal that is connected to the oscillator. The crystal is calibrated in production and the RF frequency is temperature compensated in software see Clock Systems for more information. Measured on a Texas Instruments reference design with Tc = 25 °C, VDDS = 3.0 V, unless otherwise noted. PARAMETER MIN TYP MAX UNIT Crystal frequency 48 MHz Crystal oscillator start-up time(1) 200 µs 48 MHz initial frequency accuracy at 25° -5 2 5 ppm 48 MHz frequency stability, temperature drift -40° to 105° -16 18 ppm Crystal aging, 5 years -2 2 ppm Crystal aging, 10 years -4 2 ppm RF Frequency accuracy including internal software compensated temperature drift, excluding aging, -40° to 65°. Based on estimated crystal drift across temperature from the crystal manufacturer's specification -10 10 ppm (1) Start-up time using the TI-provided power driver. Start-up time may increase if driver is not used. 8.14.3.2 48 MHz RC Oscillator (RCOSC_HF) Measured on a Texas Instruments reference design with Tc = 25 °C, VDDS = 3.0 V, unless otherwise noted. MIN TYP MAX UNIT Frequency 48 MHz Uncalibrated frequency accuracy ±1 % Calibrated frequency accuracy(1) ±0.25 % www.ti.com CC1312PSIP SWRS293 – NOVEMBER 2023 Copyright © 2023 Texas Instruments Incorporated Submit Document Feedback 23 Product Folder Links: CC1312PSIP |
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