TDA5230 Infineon Technologies, TDA5230 Datasheet - Page 61

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TDA5230

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

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

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T
B is calculated according Fast Fall Back to Sleep rules.
Figure 26
Calculation Example
The same example data is used as for Constant On/Off Time:
Calculation of the Master Period Time (T
The Master Period Time has to be short enough that inside of the (shorter) transmitted
Wake Up Pattern, the channel with the longest Wake Up sequence can be polled twice.
This calculation is equal to the calculation in Constant On/Off Time.
1) Calculation of Wake Up Times for Each Configuration and Channel:
T
T
T
T
Data Sheet
ON
WakeUp_ConfigAChannel1
WakeUp_ConfigAChannel2
WakeUp_ConfigAChannel3
WakeUp_ConfigBChannel1
Configuration A and B used
Three channels to be scanned in Configuration A, two channels in Configuration B
Configuration A Data Rate 10 kb/s, +/-10%, Configuration B Data Rate 5 kb/s, +/-10%
Length of usable Wake Up Pattern is 2000 bits (for both Data Rates)
Wake Up Criterion requires 10 bits equal to 20 chips
f
is 0.576 ms, Channel Hop Latency is 0.06 ms
sys
for Configuration A is calculated according Const On/Off rules, T
RX polling
RX polling
RX polling
is 13.225625 MHz (used for 433.92 MHz RF), this means Receiver Start Up Time
sleep mode
sleep mode
sleep mode
run mode
run mode
run mode
T
T
T
Mixed Mode
Single Channel, Single Config
A
AON
Multi Channel, Single Config
A
AON
Multi Channel, Dual Config
A
AON
1
1
1
T
T
A
AON
A
AON
2
2
T
BON
=0.576 ms+(7.625 bits+10 bits)/(10kb/s*0.9)=2.55 ms
=0.06 ms+(7.625 bits+10 bits)/(10kb/s*0.9)=2.02 ms
=0.06 ms+(7.625 bits+10 bits)/(10kb/s*0.9)=2.02 ms
=0.06 ms+(7.625 bits+10 bits)/(5kb/s*0.9)=3.98 ms
T
T
A
AON
A
AON
3
3
B
1
T
T
T
T
MasterPeriod
T
B
T
2
OFF
BON
BON
MasterPeriod
MasterPeriod
T
OFF
T
OFF
57
MasterPeriod
)
Channels = 1
T
Channels = m
T
Channels Config A = m
Channels Config B = n
T
MasterPeriod
MasterPeriod
MasterPeriod
Functional Description
= T
= m*T
= m*T
Version 4.0, 2007-06-01
AON
ON
AON
AON
+ T
for Configuration
+ T
+ T
BON
BON
BON
+ T
+ T
TDA523x
+ T
OFF
OFF
OFF

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