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TC3404VPE Folha de dados(PDF) 4 Page - Microchip Technology |
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TC3404VPE Folha de dados(HTML) 4 Page - Microchip Technology |
4 / 16 page TC3404 DS21413C-page 4 © 2005 Microchip Technology Inc. TC3404 AC ELECTRICAL SPECIFICATIONS SCLK, A0, A1, ENABLE VIL Input Low Voltage — — 0.3 x VDD V VIH Input High Voltage 0.7 x VDD —— V ILEAK Leakage Current — 1 — μA SDAT, PFO VOL Output Low Voltage — — 0.4 V IOL = 1.5mA VOH Output High Voltage (SDAT) 0.9 x VDD —— V ISOURCE = 400μA (Note 3) VDDMIN Minimum VDD for PFO Valid — 1.1 1.3 μA PFI VCCPFI PFI Input Voltage Range 0 — VDD V PFI Input Current -0.1 .01 0.1 μA VTHR Threshold (VTH, PFI) — 1.23 — V Threshold Hysteresis — 30 — mV Threshold Tempco — 30 — ppm/°C Electrical Characteristics: TA = 25°C and VDD = 2.7V, unless otherwise specified. Boldface type specifications apply for temperatures of 0°C to 85°C. VREF = 1.25V, Internal Clock Frequency = 520kHz. Symbol Parameter Min Typ Max Unit Test Conditions t1 Resolution Reduction Clock Width 1 — — µsec Width of SCLK (Negative) t2 Resolution Reduction Clock Width 1 — — µsec Width of SCLK (Positive) t3 Conversion Time (15-bit Plus Sign) — 125 — msec 16-bit Conversion, TA = 25°C (Note 1) Conversion Time (14-bit Plus Sign) — t3/2.0 — msec 15-bit Conversion Conversion Time (13-bit Plus Sign) — t3/4.0 — msec 14-bit Conversion Conversion Time (12-bit Plus Sign) — t3/7.8 — msec 13-bit Conversion Conversion Time (11-bit Plus Sign) — t3/15.1 — msec 12-bit Conversion Conversion Time (10-bit Plus Sign) — t3/28.6 — msec 11-bit Conversion Conversion Time (9-bit Plus Sign) — t3/51.4 — msec 10-bit Conversion t4 Resolution Reduction Window — t3/85.7 — msec Width of SCLK t5 SCLK to Data Valid 1000 — — nsec SCLK Falling Edge to SDAT Valid t6 Address Setup 0 — — nsec Address Valid to SCLK t7 Address Hold 1000 — — nsec SCLK to Address Valid Hold t8 Acknowledge Delay — — 1000 nsec SCLK to SDAT Delay t11 RESET Delay 5 — 64 µsec Delay VTH Falling at 10V/msec to RESET Low Note 1: Nominal temperature drift is -2830ppm/C° for temperature less than 25°C and -1340ppm/°C for temperatures greater than 25°C . TC3404 DC ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: TA = 25°C and VDD = 2.7V, unless otherwise specified. Boldface type specifications apply for temperatures of 0°C to 85°C. VREF = 1.25V, Internal Clock Frequency = 520kHz. Symbol Parameter Min Typ Max Unit Test Conditions Note 1: Differential input voltage defined as (VIN+ – VIN-). 2: Resistance from INn+ to INn- or INn to GND. 3: @ VDD = 1.8V, ISOURCE ≤ 200μA. |
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