SP000202847 Infineon Technologies, SP000202847 Datasheet - Page 22
SP000202847
Manufacturer Part Number
SP000202847
Description
Manufacturer
Infineon Technologies
Datasheet
1.SP000202847.pdf
(186 pages)
Specifications of SP000202847
Operating Temperature (min)
-40C
Operating Temperature (max)
105C
Operating Temperature Classification
Industrial
Product Depth (mm)
4.4mm
Product Length (mm)
9.7mm
Lead Free Status / Rohs Status
Compliant
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2.4.1
The chip may be operated within a 5 V or a 3.3 V environment.
Figure 10
For operation within a 5 V environment, the chip is supplied via the pin VDD5V. In this
configuration a 5 to 3.3 V voltage regulator supplies the analog/RF-section (only active
in Run Modes) and a second 5 to 3.3 V voltage regulator supplies the digital I/O-pads.
When operating within a 3.3 V environment, the pins VDD5V, VDDA and VDDD must be
supplied. The 5 to 3.3 V voltage regulators are inactive in this configuration.
The internal digital core is supplied by an additional 3.3 to 1.5 V regulator.
The regulators for the digital section are controlled by the signal at the P_ON (Power
On). A low signal at P_ON disables all regulators and sets the IC into Power Down Mode.
A low to high transition at P_ON enables the regulators for the digital section and initiates
a power on reset. The regulator for the analog section is controlled by the Master Control
Unit and is active only when the RF-section is active (RX-RUN = high).
P_ON can be used to initiate a reset. The required negative pulse time t
in
Data Sheet
GNDRF
Chapter 4
GNDA
VDDA
P_ON
Power Supply
Specifications.
Power Supply
Section
Analog
Voltage Regulator
5 → 3.3 V
OUT
IN
Section
RF
RX-RUN
18
Power-Up
Brownout
Detector
Voltage Regulator
Voltage Regulator
3.3 → 1.5 V
5 → 3.3 V
OUT
OUT
IN
IN
Reset-
Circuit
Internal
Reset
Functional Description
Digital-Core
Version 4.0, 2007-06-01
Digital-I/O
P_ON
is specified
TDA523x
VDD5V
VDDD
VDDD1V5
GNDD
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