PDF TH71101 Data sheet ( Hoja de datos )

Número de pieza	TH71101
Descripción	FSK/FM/ASK Receiver
Fabricantes	ETC
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No Preview Available ! TH71101 315/433MHz FSK/FM/ASK Receiver Features ! Single superhet architecture for low external component count ! FSK for digital data and FM reception for analog signal transmission ! FM/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 ! Surface mount package LQFP32 Ordering Information Part No. TH71101 Temperature Range -40 °C to 85°C Package LQFP32 Application Examples ! General digital and analog 315 MHz or 433 MHz ISM band usage ! Low-power telemetry ! Alarm and security systems ! Keyless car and central locking ! Pagers Technical Data Overview ! Input frequency range: 300 MHz to 450 MHz ! Power supply range: 2.5 V to 5.5 V at 315 MHz and 2.7 V to 5.5 V at 433 MHz ! Temperature range: -40 °C to +85 °C ! Operating current: 6.5 mA at low gain and 8.2 mA at high gain mode ! Standby current: < 100 nA ! Sensitivity: -111 dBm 1) with 40 kHz IF filter BW (incl. SAW front-end filter loss) ! Sensitivity: -104 dBm 2) with 150 kHz IF filter BW (incl. SAW front-end filter loss) ! Range of IF: 455 kHz to 21.4 MHz ! Maximum input level: –10 dBm at ASK and 0 dBm at FSK ! Image rejection: > 55 dB (e.g. with SAW front-end filter and at 10.7 MHz IF) ! Spurious emission: < -70 dBm ! Input frequency acceptance: ±50 kHz (with AFC option) ! RSSI range: 70 dB ! Frequency deviation range: ±5 kHz to ±120 kHz ! Maximum data rate: 80 kbit/s NRZ ! Maximum analog modulation frequency: 15 kHz 1) at ± 8 kHz FSK deviation, BER = 3⋅10-3 and phase-coincidence demodulation 2) at ± 50 kHz FSK deviation, BER = 3⋅10-3 and phase-coincidence demodulation TH71101 Data Sheet 3901071101 Page 1 of 20 Nov. 2001 Rev. 005 1 page TH71101 315/433MHz FSK/FM/ASK Receiver Pin Definition and Description Pin No. Name 3 OUT_LNA I/O Type analog output Functional Schematic OUT_LNA 3 31 IN_LNA analog input 1 VEE_LNAC ground IN_LNA 31 5k VEE_LNAC 1 Description LNA open-collector output, to be connected to external LC tank that resonates at RF LNA input, approx. 26Ω single-ended ground of LNA core (cascode) 2 GAIN_LNA analog input GAIN_LNA 2 400Ω LNA gain control (CMOS input with hysteresis) 4 IN_MIX1 analog input IN_MIX1 13Ω MIX1 input, approx. 33Ω single-ended 4 13Ω 500µA 5 VEE_MIX ground LNA biasing ground 6 IF1P 7 IF1N analog I/O IF1P analog I/O 6 VCC 20p 20p 2x500µA open-collector output, to be IF1N connected to external LC tank that resonates at first IF 7 open-collector output, to be connected to external LC tank that resonates at first IF VEE VEE 8 VCC_MIX supply MIX1 and MIX2 positive supply 9 OUT_MIX2 analog output MIX2 output, approx. 330Ω 6.8k output impedance OUT_MIX2 130Ω 9 230µA 10 VEE_IF ground ground for MIX2, IFA and DEMOD TH71101 Data Sheet 3901071101 Page 5 of 20 Nov. 2001 Rev. 005 5 Page TH71101 315/433MHz FSK/FM/ASK Receiver FSK test circuit component list to Fig. 2 Part Size Value / Type Tolerance Description C1 C3 C4 C5 C6 C7 C9 C10 C11 C12 C13 CP C14 C15 C16 R1 RL1 RL2 L1 L2 L3 XTAL SAWFIL CERFIL CERRES 0805 0805 0603 0603 0603 0603 0805 0603 0603 0603 0603 0805 0805 0805 0603 0805 0805 0805 0603 0603 0603 HC49 SMD QCC8C Leaded type SMD type SMD type 15 pF 1 nF 3.3 pF 3.3 pF 4.7 pf 2.2 pf 33 nF 1 nF 1 nF 1.5 pF 680 pF 10 – 12 pF 10 – 47 pF 10 – 47 pF 330 pF 10 kΩ 470 Ω 470 Ω 33 nH 33 nH 15 nH 26.43125 MHz @ RF = 433.6 MHz B3555 @ RF = 433.6 MHz SFE10.7MFP @ BIF2 = 40 kHz SFECV10.7MJS-A @ BIF2 = 150 kHz CDACV10.7MG18-A ±10% crystal series capacitor ±10% loop filter capacitor ±5% capacitor to match to SAW filter input ±5% capacitor to match to SAW filter output ±5% LNA output tank capacitor ±5% MIX1 input matching capacitor ±10% IFA feedback capacitor ±10% IFA feedback capacitor ±10% IFA feedback capacitor ±5% DEMOD phase-shift capacitor ±10% DEMOD coupling capacitor ±5% CERRES parallel capacitor ±5% demodulator output low-pass capacitor, depending on data rate ±5% demodulator output low-pass capacitor, depending on data rate ±10% RSSI output low-pass capacitor ±10% loop filter resistor ±5% MIX1 bias resistor ±5% MIX1 bias resistor ±5% inductor to match SAW filter ±5% inductor to match SAW filter ±5% LNA output tank inductor ±25ppm calibra- fundamental-mode crystal, Cload = 10 pF to 15pF, tion C0, max = 7 pF, Rm, max = 50 Ω ±30ppm temp. B3dB = 860 kHz low-loss SAW filter from EPCOS ±100 kHz (f0 = 433.92 MHz) TBD ceramic filter from Murata ±40 kHz ceramic demodulator tank from Murata NIP – not in place, may be used optionally TH71101 Data Sheet 3901071101 Page 11 of 20 Nov. 2001 Rev. 005 11 Page

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