TDA5230XT Infineon Technologies, TDA5230XT Datasheet - Page 23

• Manufacturer Part Number: TDA5230XT
• Manufacturer: Infineon Technologies

Specifications of TDA5230XT

• 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

To provide data integrity within the digital units, a brown out detector monitors the digital
supply and a detected voltage drop of VDDD below approximately 2.45 V initiates a
reset.
Figure 11
environment.
Figure 11
2.4.1.1
In Sleep Mode, the Master Control Unit switches the crystal oscillator into Low Power
Mode (all internal load capacitors are disconnected) to minimize power consumption.
Whenever the chip leaves the Sleep Mode (t
in High Precision Mode and requires t
the analog signal path (RF and IF section) and the RF-PLL are activated. At t
is ready to receive data. The chip requires t
receiver is ready to receive data.
A transient supply current peak may occur at t
capacitance. The average supply current drawn between during t
high
Data Sheet
10Ω
.
100n
Supply-Application in 3,3V environment
VDDA
GNDA
GNDRF
Supply Current
illustrates a typical power supply application for a 3.3 V and a 5 V
TDA5230
Supply Modes
VDDD1V5
VDD5V
GNDD
VDDD
100n
10Ω
100n
3.3V
COSCsettle
RXstartup
19
1
*)
When operating in a 5V environment, the voltage-drop across the voltage
regulators 5
operating range. Resistive or capacitive loads (in excess to the scheme
shown above) on pins VDDA and VDDD are not recommended.
), the crystal oscillator resumes operation
100n
to settle at the trimmed frequency. At t
1
, depending on the selected trimming
from leaving Sleep Mode and until the
Supply-Application in 5V environment
3.3V has to be limited, to keep the regulators in a safe
VDDA
GNDA
GNDRF
TDA5230
VDDD1V5
VDD5V
GNDD
VDDD
Functional Description
Version 4.0, 2007-06-01
RFstartupdelay
100n
100n
TDA523x
is I
3
the chip
*)
1µ
VDDsleep,
*)
22Ω
5V
2