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TH71112
868/915MHz
FSK/ASK Receiver
Features
Double-conversion superhet architecture for high degree of image rejection
FSK demodulation with phase-coincidence demodulator
Low current consumption in active mode and very low standby current
Switchable LNA gain for improved dynamic range
RSSI allows signal strength indication and ASK detection
32-pin Low profile Quad Flat Package (LQFP)
Ordering Code
Product Code
TH71112
TH71112
TH71112
TH71112
Temperature Code
E
E
C
C
Package Code
NE
NE
NE
NE
Option Code
BAA-000
BAA-000
BAA-000
BAA-000
Packing Form Code
RE
TR
RE
TR
Legend:
Temperature Code:
Package Code:
Packing Form:
Ordering example:
E for Temperature Range -40°C to 85°C
C for Temperature Range 0°C to 70°C
NE for LQFP
RE for Reel, TR for Tray
TH71112ENE-BAA-000-RE
Application Examples
General digital data transmission
Tire Pressure Monitoring Systems (TPMS)
Remote Keyless Entry (RKE)
Pin Description
Wireless access control
Alarm and security systems
Garage door openers
Remote Controls
Home and building automation
Low-power telemetry systems
VEE_RO
RO
VCC_PLL
ENRX
LF
VEE_LNA
IN_LNA
VCC_LNA
25
32
24
TH71112
17
16
9
OUT_IFA
VCC_IF
FBC2
FBC1
IN_IFA
VEE_IF
OUT_MIX2
1
8
General Description
The TH71112 FSK/ASK double-conversion superheterodyne receiver IC is designed for applications in the
European 868 MHz industrial-scientific-medical (ISM)
band, according to the EN 300 220
telecommunications standard. It can also be used for any other system with carrier frequencies ranging from
750 MHz to 990 MHz (e.g. for applications according to FCC part 15).
39010 71112
Rev. 016
Page 1 of 20
Data Sheet
Jun/12
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TH71221 制造商:MELEXIS 制造商全称:Melexis Microelectronic Systems 功能描述:27 to 930MHz FSK/FM/ASK Transceiver
TH71221ELQ 制造商:MELEXIS 功能描述:TRX FSK/FM/ASK 27-930MHZ 32QFN 制造商:Melexis Semiconductors 功能描述:TRX, FSK/FM/ASK, 27-930MHZ, 32QFN 制造商:MELEXIS 功能描述:TRX, FSK/FM/ASK, 27-930MHZ, 32QFN; Frequency Min:300MHz; Frequency Max:930MHz; Modulation Type:AM, FM, FSK; Sensitivity dBm:-107dBm; Data Rate:115Kbps; Supply Voltage Min:2.2V; Supply Voltage Max:5.5V; RF IC Case Style:QFN; No. of ;RoHS Compliant: Yes
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