User Guide

Figure 77 Vibra circuitry
Baseband technical specifications
RF-BB interfaces
Table 15 RF-BB Voltage supplies and references, interface connections and electrical characteristics
Signal From To Parameter Min Typ Max Unit Function
VBATRF Battery RF
block
DC Voltage 3.05 3.6 5.4075 V Battery
supply
voltage
(NOTE 1)
4.2 RF
operating
GND Battery RF
block
DC voltage 0 V Ground
VCP1 EM ASIC
(N2200)
RFIC Voltage 4.6 4.75 4.9 V Charge
pump
VRCP1 VCP Current 6 mA
Noise
density
TBD nVrms/
ÖHz
VCP2 EM ASIC
(N2200)
RFIC Voltage 4.6 4.75 4.9 V Charge
pump
VRCP2 VDAC Current 6 mA
Noise
density
TBD nVrms/
ÖHz
VXO EM ASIC
(N2200)
VCTCXO Voltage 2.42 2.5 Feb.58 V Supply for
reference
oscillator,
ref clk buffer
and digital
blocks of
RFIC
RFIC Current 15 mA
VR1 VDIG Noise
density
100 Hz 400 nVrms/
ÖHz
>300 Hz 100
RM-170; RM-171
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