TDA7110 Infineon Technologies, TDA7110 Datasheet - Page 17

• Manufacturer Part Number: TDA7110
• Description: IC TRANSMITTER ASK/FSK 16-TSSOP
• Manufacturer: Infineon Technologies
• Type: ASK/FSK Transmitterr

Specifications of TDA7110

• Package / Case: 16-TSSOP
• Frequency: 433 ~ 435MHz; 866 ~ 870MHz
• Applications: Alarm Systems, Communication Systems
• Modulation Or Protocol: ASK, FSK
• Data Rate - Maximum: 20 kbps
• Power - Output: 11dBm
• Current - Transmitting: 15.7mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Voltage - Supply: 2.1 V ~ 4 V
• Operating Temperature: -40°C ~ 85°C
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Supply Current: 13.8 mA
• Supply Voltage (max): 4 V
• Supply Voltage (min): 2.1 V
• 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: SP000524278; TDA7110; TDA7110INTR

Wireless Components
The principle schematic of the power mode control circuitry is shown in
Figure 2-5.
Figure 2-5
Table 3-8 provides a listing of how to get into the different power modes
Other combinations of the control pins PDWN, FSKDTA and ASKDTA are not
recommended.
Table 2-8
ASKDTA
FSKDTA
1) Low:
2) Open:
3) High:
Open
PDWN
High
PDWN
Low
Open
Open
Open
High
1)
3)
2)
Power mode control circuitry
Voltage at pin < 0.7 V (PDWN)
Voltage at pin < 0.5 V (FSKDTA, ASKDTA)
Pin open
Voltage at pin > 1.5 V
Low, Open, High
Low, Open, High
Low, Open, High
Low, Open
FSKDTA
2 - 11
Source
High
High
Bias
Low
On
120 kΩ
120 kΩ
PLL
MHz
868
Open, High
Open, High
Low, Open
ASKDTA
High
Low
Low
Low
PA
OR
On
FSK
IC
Data Sheet, December 2008
Functional Description
POWER DOWN
PLL ENABLE
TRANSMIT
MODE
TDA7110
FSKOUT
PAOUT
Power_Mode.wmf