TH7122ENE Melexis Inc, TH7122ENE Datasheet - Page 32

• 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

7.2
39010 07122
Rev. 010
FSK Application Circuit Stand-alone User Mode
TX_OUT
RX_IN
Combining
Fig. 15: Test circuit for FSK operation in Stand-alone User Mode
network
L1
RB1
CB1
C1
LTX0
CRX0
CTX0
C2
CB2
CB4
CTX4
25
26
27
28
29
30
32
31
IN_LNA
OUT_PA
VEE_LNA
OUT_LNA
GAIN_LNA
IN_MIX
VEE_IF
OUT_MIX
CB5
CF2
1
Page 32 of 44
2
TH7122
3
RF
CF1
RP
C0
C3
C3
4
L0
CB6
5
6
C4
see para. 4.1.1
7
C5
VCC_DIG
RE/SCLK
ASK/FSK
FSK_SW
IN_DTA
8
RO
FSK/FM/ASK Transceiver
15
16
14
13
12
10
VEE_RO
11
9
RSSI
CB7
LX
enable
XTAL
TX
VCC
enable
output
RX
input
FSK
FSK
CX2
CX1
27 to 930MHz
CB0
TH7122
Data Sheet
Feb/09