TDA5250 Infineon Technologies, TDA5250 Datasheet - Page 37

• 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

Table 2-32
Note: Data are valid 500 µs after the crystal oscillator is enabled (see Figure 2-15 and Figure 2-
16, t CLKSU ).
Table 2-33
Note: As long as default settings are used, there is no clock available at the clock output during
Power Down. It is possible to enable the clock during Power Down by setting CLK_EN (Bit D9) in
the Config Register (00H) to HIGH.
2.4.20
The input of the 6Bit-ADC can be switched between two different sources: the RSSI voltage (default
setting) or a resistor network dividing the Vcc voltage by 5.
Table 2-34
Data Sheet
D3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
SELECT
D5
0
0
1
1
0
1
D2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
RSSI and Supply Voltage Measurement
CLK_DIV Output Selection
CLK_DIV Setting
Source for 6Bit-ADC Selection (Register 08H)
D1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D4
0
1
0
1
D0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Total Divider Ratio
Input for 6Bit-ADC
RSSI (default)
Vcc / 5
10
12
14
16
18
20
22
24
26
28
30
32
2
4
6
8
Output from Divider (default)
37
Window Count Complete
18.089MHz
Output
32kHz
Output Frequency [MHz]
1,00 (default)
1,125
Functional Description
2,25
1,80
1,50
1,28
0,90
0,82
0,75
0,69
0,64
0,60
0,56
9,0
4,5
3,0
TDA5250 D2
Version 1.7
2007-02-26