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Single-Chip Low Power RF Transceiver for Narrowband Systems ...

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29. General In<strong>for</strong>mation<br />

CC1021<br />

Document Revision History<br />

Revision Date Description/Changes<br />

1.0 February 2004 First edition<br />

1.1 December 2004 The various sections have been reorganized to improve readability<br />

Added chapter numbering<br />

Reorganized electrical specification section<br />

Electrical specifications updated<br />

Changes to sensitivity figures<br />

Changes to TX spurious emission and harmonics figures<br />

Changes to current consumption figures in RX and TX mode and crystal<br />

oscillator, bias and synthesizer mode<br />

Changes to noise figure<br />

Added figures on modulation bandwidth<br />

Updates to section on input / output matching<br />

Updates to section on VCO and PLL self-calibration<br />

Updates to section on VCO, charge pump and PLL loop filter<br />

Updates to section on receiver channel filter bandwidth<br />

Updates to section on RSSI<br />

Updates to section on image rejection calibration<br />

Updates to section on preamble length and sync word<br />

Description of OOK modulation and demodulation merged into one section<br />

New bill of materials <strong>for</strong> operation at 433 MHz and 868/915 MHz<br />

Added recommended PCB footprint <strong>for</strong> package (QFN 32)<br />

Added in<strong>for</strong>mation that there should be no via at “pin #1 corner” (section 27.2)<br />

Added list of abbreviations<br />

Changes to ordering in<strong>for</strong>mation<br />

1.2 October 2005 RSSI dynamic range changed from 63 dB to 55 dB<br />

Recommended CAL_ITERATE changed from 5 to 4<br />

PLL timeout in “Automatic power-up sequencing flow chart” changed from<br />

1024 filter clocks to 127 filter clocks<br />

Calibration routine flow chart changed in accordance to CC1021 Errata Note<br />

002<br />

Added chapter on TX data latency<br />

1.3 January 2006 Updates to Ordering In<strong>for</strong>mation and Address In<strong>for</strong>mation<br />

SWRS045A July 2008 Updated Plastic Tube specification, Carrier Tape and Reel specification to<br />

reflect new MOQ quantities.<br />

SWRS045B February 2009 Package Description changed to reflect CC1021RUZ in compliance with<br />

PCN20081216001.<br />

Package Marking changed in compliance with PCN20081216001.<br />

Package Thermal Properties removed to align with general TI datasheets<br />

Plastic Tube Specification: added device CC1021RUZ and changed tube<br />

width to reflect CC1021RUZ in compliance with PCN20081216001.<br />

Carrier Tape and Reel Specification: added device CC1021RUZR<br />

Ordering In<strong>for</strong>mation: changed device orderable names to CC1021RUZ and<br />

CC1021RUZR in compliance with PCN20081216001.<br />

Added important in<strong>for</strong>mation and disclaimer<br />

Product Status Definition: removed<br />

Carrier Tape and Reel Specification is removed, since this was duplicate<br />

in<strong>for</strong>mation to Tape And Reel In<strong>for</strong>mation<br />

SWRS045B Page 89 of 89

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