TDA5250 Infineon Technologies, TDA5250 Datasheet - Page 61

• Manufacturer Part Number: TDA5250
• Description: TX/RX ASK/FSK 868-870MHZ 38TSSOP
• Manufacturer: Infineon Technologies
• Type: Transceiverr

Specifications of TDA5250

• Package / Case: 38-TSSOP
• Frequency: 868MHz
• Data Rate - Maximum: 64kbps
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, Remote Control Systems
• Power - Output: 9dBm
• Sensitivity: -109dBm
• Voltage - Supply: 2.1 V ~ 5.5 V
• Current - Receiving: 9mA
• Current - Transmitting: 12mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Operating Frequency: 870 MHz
• Operating Supply Voltage: 2.5 V, 3.3 V, 5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 4.4mm
• Product Length (mm): 9.7mm
• Operating Supply Voltage (min): 2.1V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Compliant
• Other names: SP000012956; TDA5250; TDA5250INTR; TDA5250XT; TDA5250XT

Figure 3-20
Figure 3-21
3.4
The Data-Filter should be set to values corresponding to the bandwidth of the transmitted Data
signal via the D4 to D7 bits of the LPF register (subaddress 03H).
Data Sheet
Data Filter
I/Q Filter Characteristics
IQ Filter and frequency characteristics of the receive system
-f
- 2 0
- 3 0
- 4 0
- 5 0
- 6 0
- 7 0
- 8 0
- 10
10
0
10
IQ Filter
3dB
f
10 0
effective channel bandwidth
f [ kHz]
61
10 0 0
50kHz
100kHz
150kHz
200kHz
250kHz
350kHz
IQ Filter
f
3dB
10 0 0 0
TDA5250 D2
f
Version 1.7
Application
iq_filter_curve.wmf
2007-02-26
iq_char.wmf