TDA7110F Infineon Technologies, TDA7110F Datasheet - Page 15

IC TX ASK/FSK 434MHZ 10-TSSOP

TDA7110F

Manufacturer Part Number
TDA7110F
Description
IC TX ASK/FSK 434MHZ 10-TSSOP
Manufacturer
Infineon Technologies
Datasheet

Specifications of TDA7110F

Frequency
433MHz ~ 435MHz
Applications
Remote Control, RKE, Security Systems
Modulation Or Protocol
ASK, FSK
Power - Output
11dBm
Current - Transmitting
21mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Voltage - Supply
2.1 V ~ 4 V
Operating Temperature
-40°C ~ 85°C
Package / Case
10-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Memory Size
-
Data Rate - Maximum
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
SP000611108

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Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
INFINEON/英飞凌
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2.4.4.3
In the TRANSMIT MODE the PLL is switched on and the power amplifier is turned on too.
The current consumption of the IC is typically 14.2 mA when using a proper transforming
network at PAOUT, see Figure 8.
2.4.4.4
The bias circuitry is powered up via a voltage V > 1.5 V at the pin PDWN (pin10).
When the bias circuitry is powered up, the pins ASKDTA and FSKDTA are pulled up
internally.
Forcing the voltage at the pins low overrides the internally set state.
Alternatively, if the voltage at ASKDTA or FSKDTA is forced high externally, the PDWN
pin is pulled up internally via a current source. In this case, it is not necessary to connect
the PDWN pin, it is recommended to leave it open.
The principle schematic of the power mode control circuitry is shown in Figure 3
Figure 3
Data Sheet
ASKDTA
FSKDTA
PDWN
Transmit Mode
Power mode control
Power mode control circuitry
Source
Bias
On
120 kΩ
120 kΩ
PLL
MHz
434
15
PA
OR
On
FSK
IC
Functional Description
V 1.0, 2009-02-26
TDA7110F
FSKOUT
PAOUT

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