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TH7122

Features: ·Single chip solution with only a few external components·Stand-alone fixed-frequency user mode·Programmable multi-channel user mode ·Low current consumption in active mode and very low standby current·PLL-stabilized RF VCO (LO) with internal varactor diode·Lock detect output in programm...

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SeekIC No. : 004518571 Detail

TH7122: Features: ·Single chip solution with only a few external components·Stand-alone fixed-frequency user mode·Programmable multi-channel user mode ·Low current consumption in active mode and very low st...

TH7122 Data Sheet

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Part Number:
TH7122
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Single chip solution with only a few external components
·Stand-alone fixed-frequency user mode
·Programmable multi-channel user mode
·Low current consumption in active mode and very low standby current
·PLL-stabilized RF VCO (LO) with internal varactor diode
·Lock detect output in programmable user mode
·On-chip AFC for extended input frequency acceptance range
·3wire bus serial control interface
·FSK/ASK mode selection
·FSK for digital data or FM for analog signal reception
·RSSI output for signal strength indication and ASK reception
·Peak detector for ASK detection
·Switchable LNA gain for improved dynamic range
·Automatic PA turn-on after PLL lock
·ASK modulation achieved by PA on/off keying
·32-pin Low profile Quad Flat Package (LQFP)


Application

·General bi-directional half duplex digital data RF signaling or analog signal communication
·Tire Pressure Monitoring Systems (TPMS)
·Remote Keyless Entry (RKE)
·Low-power telemetry systems
·Alarm and security systems
·Wireless access control
·Garage door openers
·Networking solutions
·Active RFID tags
·Remote controls
·Home and building automation


Pinout

Connection Diagram


Specifications

Parameter Symbol Condition / Note Min Max Unit
Supply voltage VCC   -0.3 6.0 V
Input voltage VIN   -0.3 Vcc+0.3 V
Input RF level PiRF @ LNA input   10 dBm
Storage temperature TSTG   -40 +125
Junction temperature TJ     +150
Power dissipation Pdiss     0.25 W
Thermal Resistance RthJA     60 K/W
Electrostatic discharge VESD1 human body model, 1) -1.0 +1.0 kV
Electrostatic discharge VESD2 human body model, 2) -0.75 +0.75 kV
1) all pins, except LF, TNK_LO, VCC_PLL and FS1/LD
2) pins LF, TNK_LO, VCC_PLL and FS1/LD


Description

The TH7122 is a single chip FSK/FM/ASK transceiver IC. TH7122 is designed to operate in low-power multichannel rogrammable or single-channel stand-alone, half-duplex data transmission systems. TH7122 can be used for applications in automotive, industrial-scientific-medical (ISM), short range devices (SRD) or similar applications operating in the frequency range of 300 MHz to 930 MHz. In programmable user mode, the transceiver can operate down to 27 MHz by employing an external VCO varactor diode.




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