TH7122ENE Melexis Inc, TH7122ENE Datasheet - Page 37

• 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

7.7
Note:
39010 07122
Rev. 010
CERFIL
CRX0
Part
CTX0
CTX4
XTAL
LTX0
CPS
RPS
CB0
CB1
CB2
CB5
CB6
CB7
CF1
CF2
CX1
RB1
C0
C1
C2
C5
C6
R1
R2
RF
L0
L1
ASK Test Circuit Component List (Fig. 17)
- Antenna matching network according to paragraph 9
3.45x3.1
HC49
Size
0603
0603
0603
0603
0603
1210
0603
0603
0603
0603
0603
0603
0603
0603
0805
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
SMD
SMD
7x5
Value @
315 MHz
100 kΩ
680 kΩ
100 nF
330 pF
100 nF
100 pF
100 nF
100 pF
100 pF
1.5 pF
3.9 pF
1.5 pF
1.5 nF
100 Ω
33 kΩ
18 kΩ
47 nH
33 nH
15 nH
10 μF
10 nF
39 pF
18 pF
10 pF
12 pF
1 nF
±20ppm cal., ±20ppm temp.
434 MHz
Value @
100 nF
330 pF
100 nF
100 pF
100 nF
100 pF
100 pF
100 kΩ
680 kΩ
5.6 pF
1.0 pF
1.5 nF
4.7 pF
100 Ω
33 kΩ
33 kΩ
15 nH
15 nH
10 μF
10 nF
39 pF
18 pF
10 pF
22nH
SFECF10M7HA00
1 nF
1.8
B
8.0000 MHz
3dB
= 180 kHz
Page 37 of 44
915 MHz
Value @
100 kΩ
680 kΩ
100 nF
330 pF
100 nF
100 pF
100 nF
100 pF
3.9 nH
4.7 nH
3.9 nH
1.5 pF
1.5 nF
1.8 pF
100 Ω
33 kΩ
43 kΩ
10 μF
10 nF
39 pF
18 pF
10 pF
10 pF
1 pF
1.8F
1 nF
±10%
±10%
±20%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Tol.
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
FSK/FM/ASK Transceiver
VCO tank capacitor
LNA output tank capacitor
MIX input matching capacitor
RSSI output low pass capacitor
PKDET capacitor
de-coupling capacitor
de-coupling capacitor
de-coupling capacitor
de-coupling capacitor
de-coupling capacitor
de-coupling capacitor
loop filter capacitor
loop filter capacitor
power-select capacitor,
depending on data rate
RO capacitor
RX coupling capacitor
TX coupling capacitor
TX impedance matching capacitor
PKDET resistor
PKDET resistor
protection resistor
loop filter resistor
power-select resistor
VCO tank inductor
from Würth-Elektronik (WE-KI series)
or equivalent part
LNA output tank inductor
from Würth-Elektronik (WE-KI series)
or equivalent part
impedance matching inductor
from Würth-Elektronik (WE-KI series)
or equivalent part
fundamental-mode crystal,
C
R
ceramic filter from Murata,
or equivalent part
load
m, max
= 10 pF to 15pF, C
= 70 Ω
Description
27 to 930MHz
TH7122
0, max
Data Sheet
= 7 pF,
Feb/09