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TMS3705 Datasheet(PDF) 8 Page - Texas Instruments |
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TMS3705 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 30 page 8 TMS3705 SCBS881C – JANUARY 2010 – REVISED APRIL 2016 www.ti.com Submit Documentation Feedback Product Folder Links: TMS3705 Specifications Copyright © 2010–2016, Texas Instruments Incorporated Electrical Characteristics (continued) VDD = 4.5 V to 5.5 V, fosc = 4 MHz, F_SEL = high, over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Phase-Locked Loop (D_TST) fpll PLL frequency 15.984 16 16.0166 MHz Δf/fpll Jitter of the PLL frequency 6% Power-On Reset (POR) Vpor_r POR threshold voltage, rising VDD rising with low slope 1.9 3.5 V Vpor_f POR threshold voltage, falling VDD falling with low slope 1.3 2.6 V (1) The junction-to-ambient thermal resistance under natural convection is obtained in a simulation on a JEDEC-standard, High-K board, as specified in JESD51-7, in an environment described in JESD51-2a. 4.5 Thermal Resistance Characteristics for D (SOIC) Package PARAMETER VALUE UNIT RθJA Thermal resistance, junction to ambient(1) 130 °C/W 4.6 Switching Characteristics VDD = 4.5 V to 5.5 V, fosc = 4 MHz, F_SEL = high, over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tinit min Time for TXCT high to initialize a new transmission From start of the oscillator after power on or waking up until reaching the Idle state (see Figure 4-1, Figure 4-2, Figure 4-3) 2 2.05 2.2 ms tdiag Delay between leaving Idle state and start of diagnosis byte at SCIO Normal operation (see Figure 4-1, Figure 4-2, Figure 4-3) 2 2.12 2.2 ms tR Delay between end of charge or end of program and start of transponder data transmit on SCIO See Figure 4-1, Figure 4-2, Figure 4-3. 3 ms toff Write pulse pause See Figure 4-5. 0.1 ms tdwrite Signal delay on TXCT for controlling the full bridge Write mode 73 79 85 µs tmcr NRZ bit duration for mode control register See Figure 4-4. 121 128 135 µs tsci NRZ bit duration on SCIO Asynchronous mode (see Figure 4-6) 63 64 65 µs tdstop Low signal delay on TXCT to stop Synchronous mode 128 800 µs tt_sync Total TXCT time for reading data on SCIO Synchronous mode (see Figure 4-7) 900 µs tsync TXCT period for shifting data on SCIO Synchronous mode (seeFigure 4-7) 4 64 100 µs tL_sync Low phase on TXCT Synchronous mode (see Figure 4-7) 2 32 tsync – 2 µs tready Data ready for output after SCIO goes high Synchronous mode (see Figure 4-7) 1 127 µs |
Similar Part No. - TMS3705_16 |
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Similar Description - TMS3705_16 |
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