TH7122ENE Melexis Inc, TH7122ENE Datasheet - Page 25

• 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

5.1.5
39010 07122
Rev. 010
MODCTRL
ERTM
LDTM
Name
NT
D – word
[18:17]
[20:19]
[16:0]
Bits
[21]
64d .. 131071d
00
01
10
11
00
01
10
11
0
1
external modulation control
Modulation will be set via pin ASK/FSK.
internal modulation control
Modulation will be set via bit MODSEL (bit 19 in A-word). Nevertheless pin ASK/FSK must be
connected to either VCC or VEE.
256 clocks
16 clocks
16 clocks
64 clocks
2 clocks
4 clocks
8 clocks
4 clocks
Feedback divider ratio in TX operation mode
Page 25 of 44
#default
#default
Set the unlock condition of the PLL
Set the lock condition of the PLL
Set mode of modulation control:
Set the maximum allowed number of reference clocks
(1/f
DOWN) can be in-consecutive.
Set the minimum number of consecutive edges of phase
detector output cycles, without appearance of any unlock
condition.
RO
Description
) during the phase detector output signals (UP &
FSK/FM/ASK Transceiver
27 to 930MHz
TH7122
Data Sheet
#default
Feb/09