TDA5230 Infineon Technologies, TDA5230 Datasheet - Page 26

• Manufacturer Part Number: TDA5230
• Description: IC RECEIVER ASK/FSK 28-TSSOP
• Manufacturer: Infineon Technologies
• Type: Receiverr

Specifications of TDA5230

• Package / Case: 28-TSSOP
• Frequency: 433MHz ~ 450MHz, 865MHz ~ 868MHz
• Sensitivity: -111dBm
• Data Rate - Maximum: 20 kbps
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, TPM, Security Systems
• Current - Receiving: 8mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 3 V ~ 3.6 V, 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 105°C
• Operating Frequency: 870 MHz
• Operating Supply Voltage: 3.3 V, 5 V
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: SP000076520; TDA5230; TDA5230INTR

TDA523x
Functional Description
A second source that can trigger a reset is a brown out event. Whenever the integrated
brown out detector measures a voltage drop below the brown-out threshold on the digital
supply, the integrity of the stored data and configuration can no longer be guaranteed;
thus, a reset is generated. While the supply voltage stays between the brown out and the
functional threshold of the chip, the NINT/NSTR pin is forced to low. When the supply
voltage drops below the functional threshold, the levels of all digital output pins (e.g.
NINT/NSTR) are undefined.
When the supply voltage rises above the brown out threshold, the IC generates a high
pulse at NINT/NSTR and remains in the reset state for the duration of t
. When the
Reset
IC leaves the reset state, the Interrupt Status register (IS) is set to FF
and the
hex
NINT/NSTR pin is forced to low. Now, the IC starts operation in the Sleep Mode, ready
to receive commands via the SPI interface. The NINT/NSTR pin will go high, when the
Interrupt Status register is read the first time.
Data Sheet
22
Version 4.0, 2007-06-01