TA31273FN(EL) Toshiba, TA31273FN(EL) Datasheet
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TA31273FN(EL)
Specifications of TA31273FN(EL)
Related parts for TA31273FN(EL)
TA31273FN(EL) Summary of contents
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... TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic RF/IF Detector IC The TA31273FN is an RF/IF detector IC for AM radio. The IC incorporates an RF amp, 2-level comparator, and local x8 circuit. Features • RF frequency: 240 to 450 MHz • IF frequency: 10.7 MHz • Operating voltage range: 3.0 to 5.5 V • ...
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Pin Function (The Values Of Resistor And Capacitor In The Internal Equivalent Circuit Are Typical.) Pin Pin Name No. 1 OSC IN Local oscillator input pin Power supply pin 1. CC1 Lo switch pin. 3 LOBS H: x8 ...
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Pin Pin Name No signal input pin DEC Emitter pin for internal transistor OUT RF amp output pin. Since this pin is connected to an internal circuit MONI should either ...
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Functions 1. Waveform shaper circuit The output data (pin 10) are inverted. 2. RSSI function DC potential corresponding to the input level (pin 6) is output to RSSI (pin 18). Output to RSSI (pin 18) is converted ...
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Battery-saving (BS) function and Lo switch LOBS function The IC incorporates a battery-saving function and a Lo switch function. These functions offer the following selection. BS Pin/LOBS Pin H/H H/L L/H L amp gain 1 RF amp ...
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Bit rate filter for AM The current AM bit rate filter is used as a quadratic filter. If the filter used at a rate other than 1200 bps, please change the filter constant. (The bit rate ...
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Maximum Ratings (Unless Otherwise Specfied Ta = 25°C, Voltage Value is Determined by GND (TYP)) Characteristics Supply voltage Current dissipation Operating temperature range Storage temperature range The maximum ratings must not be exceeded at any time. Do not operate the ...
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Test Circuit 20 19 FIL FIL OUT IN ×8 OSC V IN CC1 Test Circuit 1 (1) V RSSI 0.01 µ (3) V DATA ...
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G v (RF) 2 1000 Test Circuit 2 I ccqam Test Circuit 3 I cco ( (MIX) 1000 ...
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Reference data(This is temperature characteristics data when it used evaluation boards. This is not guarantee on condition that it is stating except electrical characteristics. Current consumption vs. Power supply voltage characteristics −40°C Fin (Lo) = 40.7 ...
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Mixer conversion gain vs. Local input level characteristics 25 20 110°C 15 25°C 10 −40° −5 Fin (MIX) = 314.9 MHz V in (MIX dBµV −10 Fin (Lo) = 40.7 MHz − ...
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Application Circuit 1000 pF C20 FIL FIL RSSI BS MIX GND1 OUT IN IN RSSI ×8 OSC MIX IF V LOBS V OUT IN CC1 CC2 ...
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Package Dimensions Weight: 0.09 g (typ.) 13 TA31273FN 2002-07-08 ...
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... TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property ...