TH7122ENE Melexis Inc, TH7122ENE Datasheet - Page 7

• 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.
10
11
12
13
14
15
16
8
9
OUT_DTA
VCC_DIG
ASK/FSK
RE/SCLK
TE/SDTA
FSK_SW
VEE_RO
IN_DTA
Name
RO
analog I/O
analog I/O
I/O Type
ground
supply
output
input
input
input
input
ASK/FSK
RE/SCLK
TE/SDTA
IN_DTA
RO
13
16
10
12
15
OUT_DTA
Functional Schematic
FSK_SW
8
Page 7 of 44
11
VCC
VCC
VCC
VCC
VEE
36p
39k
2.6µA
120
VCC
VCC
VEE
120k
VEE
120k
120k
VEE
VCC
VEE
VEE
VEE
120
120
120
36p
FSK/FM/ASK Transceiver
OA1 output, high impedance
in transmit and idle mode
ground of RO
RO input, base of bipolar
transistor
FSK pulling pin, switch to
ground or OPEN
The switch is open in re-
ceive and idle mode
ASK/FSK modulation data
input, pull down resistor
120kΩ
ASK/FSK mode select input
positive supply of serial port
and control logic
receiver enable input / clock
input for the shift register,
pull down resistor 120kΩ
transmitter enable input /
serial data input, pull down
resistor 120kΩ
Description
27 to 930MHz
TH7122
Data Sheet
Feb/09