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TC3400 Scheda tecnica(PDF) 4 Page - Microchip Technology |
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TC3400 Scheda tecnica(HTML) 4 Page - Microchip Technology |
4 / 16 page TC3400 DS21409B-page 4 © 2002 Microchip Technology Inc. TC3400 AC ELECTRICAL SPECIFICATIONS SCLK VIL Input Low Voltage — — 0.3xVDD V VIH Input High Voltage 0.7xVDD —— V ILEAK Leakage Current — 1 — µA SDAT VOL Output Low Voltage — — 0.4 V IOL =1.5mA VOH Output High Voltage (SDAT) 0.9 x VDD —— V ISOURCE =400µA (Note 3) 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 t8 Acknowledge Delay — — 1000 nsec SCLK to SDAT Delay Note 1: Nominal temperature drift is -2830ppm/C° for temperature less than 25°C and -1340ppm/°C for temperatures greater than 25°C . TC3400 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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