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TH71101 Datasheet

  • TH71101

  • FSK/FM/ASK Receiver

  • 20頁

  • ETC

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TH71101
315/433MHz
FSK/FM/ASK Receiver
Features
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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 擄C to 85擄C
Package
LQFP32
Application Examples
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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
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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 擄C to +85 擄C
Operating current: 6.5 mA at low gain and 8.2 mA at high gain mode
Standby current: < 100 nA
1)
with 40 kHz IF filter BW (incl. SAW front-end filter loss)
Sensitivity: -111 dBm
2)
Sensitivity: -104 dBm with 150 kHz IF filter BW (incl. SAW front-end filter loss)
Range of IF: 455 kHz to 21.4 MHz
Maximum input level: 鈥?0 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:
鹵50
kHz (with AFC option)
RSSI range: 70 dB
Frequency deviation range:
鹵5
kHz to
鹵120
kHz
Maximum data rate: 80 kbit/s NRZ
Maximum analog modulation frequency: 15 kHz
at
鹵
8 kHz FSK deviation, BER = 3鈰?0 and phase-coincidence demodulation
2)
-3
at
鹵
50 kHz FSK deviation, BER = 3鈰?0 and phase-coincidence demodulation
1)
-3
TH71101 Data Sheet
3901071101
Page 1 of 20
Nov. 2001
Rev. 005

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