TH7122ENE Melexis Inc, TH7122ENE Datasheet - Page 28

• 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
Digital pin characteristics
Pull-down Resistor
pins IN_DTA , RE/SCLK,
TE/SDTA
Low level input leakage current
pins IN_DTA, ASK/FSK,
RE/SCLK, TE/SDTA, FS0/SDEN,
FS1/LD
High level input leakage current
pins ASK/FSK, FS0/SDEN,
FS1/LD
Analog pin characteristics
MOS switch On resistance
FSK_SW pin
MOS switch Off resistance
FSK_SW pin
Peak detector pull-up current
INT2/PDO pin
Peak detector leakage current
INT2/PDO pin
OA input offset voltage
Voltage threshold for high to low
LNA gain transition
GAIN_LNA pin
Voltage threshold for low to high
LNA gain transition
GAIN_LNA pin
RSSI characteristics
RSSI voltage at low IFA
input level
RSSI voltage at high IFA
input level
Parameter
R
I
I
R
R
I
I
V
V
V
V
V
Symbol
IL
IH
PU_PDO
L_PDO
OS
GAIN_HL
GAIN_LH
L_RSSI
H_RSSI
PD
ON
OFF
I
in Stand-alone user
mode
I
in Stand-alone user
mode
Transmit mode,
if Reg. DTAPOL = 0:
IN_DTA = 0
if Reg. DTAPOL = 1:
IN_DTA = 1
Transmit mode,
if Reg. DTAPOL = 0:
IN_DTA = 1
if Reg. DTAPOL = 1:
IN_DTA = 0
ASK Receive mode,
Reg. PKDET = 1
V
ASK Receive mode,
Reg. PKDET = 1
V
Receive mode
Receive mode,
Reg. LNACTRL = 0,
Reg. LNAHYST = 1
Receive mode,
Reg. LNACTRL = 0,
Reg. LNAHYST = 1
Receive mode,
V
(CW, 10.7MHz)
Receive mode,
V
(CW, 10.7MHz)
Page 28 of 44
INL_FS1/LD
INH_FS1/LD
OUT_DEM
OUT_DEM
IN_IFA
IN_IFA
Condition
= 100μV
= 100mV
> V
=< V
only
only
INT2/PDO
INT2/PDO
FSK/FM/ASK Transceiver
Min
-1.1
-25
1.0
1.3
70
-2
-2
1
0.72
1.64
Typ
120
1.3
1.6
10
27 to 930MHz
TH7122
Max
220
1.6
1.9
25
30
2
2
Data Sheet
Feb/09
Unit
MΩ
mA
mV
kΩ
μA
μA
μA
Ω
V
V
V
V