T5744N-TGQ Atmel, T5744N-TGQ Datasheet
T5744N-TGQ
Specifications of T5744N-TGQ
Related parts for T5744N-TGQ
T5744N-TGQ Summary of contents
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Features • Minimal External Circuitry Requirements Components on the PC Board Except Matching to the Receiver Antenna • High Sensitivity, Especially at Low Data Rates • SSO20 and SO20 package • Fully Integrated VCO • Supply Voltage 4.5V ...
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Pin Configuration Figure 2-1. Pinning SO20 and SSO20 Table 2-1. Pin Description Pin Symbol 1 BR_0 2 BR_1 3 CDEM 4 AVCC 5 AGND 6 DGND 7 MIXVCC 8 LNAGND 9 LNA_IN LFVCC ...
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Figure 2-2. Block Diagram CDEM RSSI AVCC AGND DGND MIXVCC LNAGND LNA_IN 3. RF Front End The RF front end of the receiver is a heterodyne configuration that converts the input signal into a 1-MHz IF signal. According to fier), ...
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The XTO is a one-pin oscillator that operates at the series resonance of the quartz crystal. According to of that capacitor is recommended by the crystal supplier. The value of CL should be optimized for the individual board layout to ...
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A good practice when designing the network start with power matching. From that starting point, the values of the components can be varied to some extent to achieve the best sensitivity SAW is implemented into the ...
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Figure 3-3. Input Matching Network without SAW Filter f = 433.92 MHz RF C3 25n 15p RF IN 3.3p TOKO LL2012 22n Please note that for all coupling conditions (see wire inductivity of the LNA ground is compensated. C3 forms ...
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Figure 4-1. 4.4 ASK Demodulator and Data Filter The signal coming from the RSSI amplifier is converted into the raw data signal by the ASK demodulator. An automatic threshold control circuit (ATC) is employed to set the detection reference voltage ...
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Each BR_Range is defined by a minimum and a maximum edge-to-edge time (tee_sig). These limits are defined in the electrical characteristics. They should not be exceeded to maintain full sensitivity of the receiver. 4.5 Receiving Characteristics The RF receiver T5744 ...
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Basic Clock Cycle of the Digital Circuitry The complete timing of the digital circuitry and the analog filtering is derived from one clock. According to bination with a divider. The division factor is controlled by the logical state at ...
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Pin ENABLE Via the pin ENABLE the operating mode of the receiver can be selected (see ure 5-2). If the pin ENABLE is held to Low, the receiver remains in sleep mode. All circuits for signal pro- cessing are ...
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Digital Signal Processing The data from the ASK demodulator (Dem_out) is digitally processed in different ways and as a result converted into the output signal DATA. This processing depends on the selected baudrate range (BR_Range). extended basic clock cycle ...
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Absolute Maximum Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated ...
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Electrical Characteristics All parameters refer to GND –40°C to +105°C, V amb ( 25°C) S amb Parameters Test Conditions Basic Clock Cycle of the Digital Circuitry MODE = 0 (USA) Basic clock cycle ...
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Electrical Characteristics (continued) Parameters Test Conditions Input matched according compression point Figure 3-3 on page (LNA, mixer, IF amplifier Input matched according to Maximum input level Figure 3-3 on page Local Oscillator Operating frequency ...
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Electrical Characteristics (continued) Parameters Test Conditions Sensitivity variation for full f = 433.92 MHz/ 315 MHz in operating range including filter compared 25° amb S ASK S/N ...
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Figure 10-1. Application Circuit 2 10% 10% GND COAX C17 3 np0 Figure 10-2. Application Circuit 2 10% 10% GND ...
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Figure 10-3. Application Circuit 2 10% 10% GND COAX 8 Figure 10-4. Application Circuit 2 ...
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... Ordering Information Extended Type Number T5744N-TKS T5744N-TKQ T5744N-TGS T5744N-TGQ 12. Package Information Package SO20 Dimensions in mm 0.4 1. T5744 18 Package Remarks SSO20 Tube SSO20 Taped and reeled SO20 Tube SO20 Taped and reeled 12.95 12.70 2.35 0.25 0.10 11. 9.15 8.65 7.5 7.3 0.25 10 ...
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Package SSO20 Dimensions in mm 0.25 0. 13. Revision History Please note that the following page numbers referred to in this section refer to the specific revision mentioned, not to this document. Revision No. 4521C-RKE-05/05 4521C–RKE–05/05 6.75 6.50 ...
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