TDA5251 Infineon Technologies, TDA5251 Datasheet - Page 85

• Manufacturer Part Number: TDA5251
• Description: TXRX FSK/ASK SGL LP TSSOP-38
• Manufacturer: Infineon Technologies
• Type: Transceiverr

Specifications of TDA5251

• Package / Case: 38-TSSOP
• Frequency: 315MHz
• Data Rate - Maximum: 64kbps
• Modulation Or Protocol: ASK, FSK
• Applications: RKE, Remote Control Systems
• Power - Output: 13dBm
• Sensitivity: -109dBm
• Voltage - Supply: 2.1 V ~ 5.5 V
• Current - Receiving: 9.3mA
• Current - Transmitting: 14mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Operating Frequency: 0.35 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: SP000014554; TDA5251; TDA5251INTR; TDA5251XT

List of Tables
Table 2-1
Table 2-2
Table 2-3
Table 2-4
Table 2-5
Table 2-6
Table 2-7
Table 2-8
Table 2-9
Table 2-10
Table 2-11
Table 2-12
Table 2-13
Table 2-14
Table 2-15
Table 2-16
Table 2-17
Table 2-18
Table 2-19
Table 2-20
Table 2-21
Table 2-22
Table 2-23
Table 2-24
Table 2-25
Table 2-26
Table 2-27
Table 2-28
Table 2-29
Table 2-30
Table 2-31
Table 3-1
Table 3-2
Table 3-3
Table 3-4
Table 3-5
Table 3-6
Table 3-7
Table 3-8
Table 3-9
Table 3-10
Table 3-11
Table 3-12
Data Sheet
Pin Definition and Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 00H: CONFIG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 00H: CONFIG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 00H: CONFIG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PwdDD Pin Operating States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bus Interface Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chip address Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-wire Bus Write Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-wire Bus Read Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 01H: FSK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 02H: XTAL_TUNING . . . . . . . . . . . . . . . . . . . . . . . . . .
Crystal and crystal oscilator dependency . . . . . . . . . . . . . . . . . . . . .
Typical values of parasitic capacitances . . . . . . . . . . . . . . . . . . . . . .
Sub Address 0EH: XTAL_CONFIG. . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 02H: XTAL_TUNING . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 01H: FSK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Default oscillator settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Internal Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Default Setup (without internal tuning & without Pin21 usage) . . . . .
3dB cutoff frequencies I/Q Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Limiter Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 00H: CONFIG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I2C Bus Write Mode 8 Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I2C Bus Write Mode 16 Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
I2C Bus Read Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Addresses of Data Registers Write. . . . . . . . . . . . . . . . . . . . . .
Sub Addresses of Data Registers Read. . . . . . . . . . . . . . . . . . . . . .
Sub Address 00H: CONFIG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 03H: LPF. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Addresses 04H / 05H: ON/OFF_TIME . . . . . . . . . . . . . . . . . . .
Sub Address 06H: COUNT_TH1 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 07H: COUNT_TH2 . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 08H: RSSI_TH3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 0DH: CLK_DIV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 0EH: XTAL_CONFIG . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 0FH: BLOCK_PD . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 80H: STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sub Address 81H: ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MODE settings: CONFIG register . . . . . . . . . . . . . . . . . . . . . . . . . .
CLK_DIV Output Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CLK_DIV Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Source for 6Bit-ADC Selection (Register 08H). . . . . . . . . . . . . . . . .
3dB cutoff frequencies Data Filter . . . . . . . . . . . . . . . . . . . . . . . . . .
85
TDA5251 F1
Version 1.1
2007-02-26
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