TDA5230 Infineon Technologies, TDA5230 Datasheet - Page 90

• 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

TDA2531:
For Hi-Side LO Injection mode operation:
This value must be converted to HEX Format and written to the registers FSKNCO2
FSKNCO1 and FSKNCO0, where FSKNCO2 is the MSB register.
The calculation above is fully automatically performed by the IAF TDA523x
Configuration Tool!
Dual:
ADDR:
Dual:
ADDR:
Dual:
ADDR:
CIC Filter
The CIC Decimation Filter is used for bandwidth reduction. The selectable pre-filter
bandwidths are identified in the following table:
Data Sheet
7:0
7:0
7:0
Bit R/W Description
Bit R/W Description
Bit R/W Description
AFSKNCO0
W
AFSKNCO1
W
AFSKNCO2
W
0x78
0x79
0x7A
NCOINC: FSK NCO Register Bits (7:0) LSB
NCOINC: FSK NCO Register Bits (15:8)
NCOINC: FSK NCO Register Bits (23:16) MSB
NCO value calculation (for the register FSKNCO0, FSKNCO1 and
FSKNCO2)
and
and
and
0x98
0x99
0x9A
and BFSKNCO0:
and BFSKNCO1:
and BFSKNCO2:
FSK DDS NCO Frequency Offset
FSK DDS NCO Frequency Offset
FSK DDS NCO Frequency Offset
86
NCO
dec
=
round
Functional Description





2
24
Reset Value: 0x00
Reset Value: 0x00
Reset Value: 0x00
Version 4.0, 2007-06-01
*
5
*
4
f
SYS
f
SYS
TDA523x
−
f
IF




