TH7122ENE Melexis Inc, TH7122ENE Datasheet - Page 8

• 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

39010 07122
Rev. 010
Pin No.
17
18
19
20
21
23
22
24
25
FS0/SDEN
VCC_PLL analog I/O
VEE_DIG
VEE_PLL
OUT_PA
TNK_LO
FS1/LD
PS_PA
Name
LF
analog I/O
analog I/O
analog I/O
I/O Type
ground
ground
input /
output
output
input
TNK_LO
21
23
PS_PA
LF
VCC
24
FS0/SDEN
OUT_PA
FS1/LD
25
17
19
Functional Schematic
VEE
6.5k
120
VEE
VEE
VEE
Page 8 of 44
VCC
VCC
10µA
120
VCC
VCC
VEE
VEE
6.3pF
20p
120
120
1k
VCC
VEE
VEE
VCOCUR
VD
VEE
VCC
VCC_PLL
FSK/FM/ASK Transceiver
VEE
20
frequency select input / se-
rial data enable input
ground of serial port and
control logic
frequency select input / lock
detector output
VCO open-collector output,
connection to VCC or exter-
nal LC tank
VCO open-collector output,
connection to external LC
tank
charge pump output, con-
nection to external loop filter
ground of PLL frequency
synthesizer
power-setting input
power amplifier open-
collector output
Description
27 to 930MHz
TH7122
Data Sheet
Feb/09