TH7122ENE Melexis Inc, TH7122ENE Datasheet - Page 3

• Manufacturer Part Number: TH7122ENE
• Description: IC TXRX 930MHZ FSK/FM/ASK 32LQFP
• Manufacturer: Melexis Inc

Specifications of TH7122ENE

• Frequency: 300MHz ~ 930MHz
• Data Rate - Maximum: 115Kbps
• Modulation Or Protocol: ASK, FM, FSK
• Applications: Alarm and Security Systems, RKE, TPMS
• Power - Output: -10dBm ~ 11dBm
• Sensitivity: -105dBm
• Voltage - Supply: 2.2 V ~ 5.5 V
• Current - Receiving: 14mA
• Current - Transmitting: 23mA @ 10dBm
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Transmitting Current: 12mA
• Data Rate: 115Kbps
• Frequency Range: 300MHz To 930MHz
• Modulation Type: AM, FM, FSK
• Sensitivity Dbm: -105dBm
• Rf Ic Case Style: LQFP
• No. Of Pins: 32
• Supply Voltage: RoHS Compliant
• Output Power: 10dBm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TH7122.3; TH7122ENETR

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10 Package Description ................................................................................................41
11 Reliability Information..............................................................................................42
12 ESD Precautions ......................................................................................................42
13 Disclaimer .................................................................................................................44
39010 07122
Rev. 010
5.1
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
7.1
7.2
7.3
7.4
7.5
7.6
7.7
8.1
9.1
9.2
9.3
10.1
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
Technical Data..........................................................................................................26
Application Circuit Examples..................................................................................31
Extended Frequency Range ....................................................................................38
TX/RX Combining Network......................................................................................39
Register Overview .......................................................................................................... 21
Absolute Maximum Ratings ............................................................................................ 26
Normal Operating Conditions ......................................................................................... 26
DC Characteristics.......................................................................................................... 27
PLL Synthesizer Timings ................................................................................................ 29
AC Characteristics of the Receiver Part ......................................................................... 29
AC Characteristics of the Transmitter Part ..................................................................... 30
Serial Control Interface ................................................................................................... 30
Crystal Parameters ......................................................................................................... 30
FSK Application Circuit Programmable User Mode (internal AFC option)...................... 31
FSK Application Circuit Stand-alone User Mode ............................................................ 32
FSK Test Circuit Component List (Fig. 14 and Fig. 15) .................................................. 33
ASK Application Circuit Programmable User Mode (normal data slicer option) ............. 34
ASK Test Circuit Component List (Fig. 16)..................................................................... 35
ASK Application Circuit Programmable User Mode (peak detector option).................... 36
ASK Test Circuit Component List (Fig. 17)..................................................................... 37
Board Component List (Fig. 18) ..................................................................................... 38
Board Component List (Fig. 19) ..................................................................................... 39
Typical LNA S-Parameters in Receive Mode ................................................................. 39
LNA Input Impedances in Transmit Mode ...................................................................... 40
Soldering Information ..................................................................................................... 41
Default Register Settings for FS0, FS1...................................................................................... 21
A – word ..................................................................................................................................... 22
B – word ..................................................................................................................................... 23
C – word..................................................................................................................................... 24
D – word..................................................................................................................................... 25
Page 3 of 44
FSK/FM/ASK Transceiver
27 to 930MHz
TH7122
Data Sheet
Feb/09