ZHCSH27B May 2017 – April 2018 IWR1642
PRODUCTION DATA.
Table 5-1 describes the four rails from an external power supply block of the IWR1642 device.
| SUPPLY | DEVICE BLOCKS POWERED FROM THE SUPPLY | RELEVANT IOS IN THE DEVICE |
|---|---|---|
| 1.8 V | Synthesizer and APLL VCOs, crystal oscillator, IF Amplifier stages, ADC, LVDS | Input: VIN_18VCO, VIN18CLK, VIN_18BB, VIOIN_18DIFF, VIOIN_18IO
LDO Output: VOUT_14SYNTH, VOUT_14APLL |
| 1.3 V (or 1 V in internal LDO bypass mode) | Power Amplifier, Low Noise Amplifier, Mixers and LO Distribution | Input: VIN_13RF2, VIN_13RF1
LDO Output: VOUT_PA |
| 3.3 V (or 1.8 V for 1.8 V I/O mode) | Digital I/Os | Input VIOIN |
| 1.2 V | Core Digital and SRAMs | Input: VDDIN, VIN_SRAM |
Table 5-2 lists tolerable ripple specifications for 1.3-V (1.0-V) and 1.8-V supply rails.