전자부품 데이터시트 검색엔진 |
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TSC2046E-Q1 데이터시트(PDF) 4 Page - Texas Instruments |
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TSC2046E-Q1 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 28 page TSC2046E-Q1 SBAS510 – JUNE 2010 www.ti.com ELECTRICAL CHARACTERISTICS (continued) TA = -40°C to 125°C, +VCC = 2.7V, VREF = 2.5V internal voltage, fSAMPLE = 125kHz, fCLK = 16 × fSAMPLE = 2MHz, 12-bit mode, digital inputs = GND or IOVDD, +VCC ≥ IOVDD (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Reference Output Internal reference voltage 2.45 2.50 2.55 V ppm/ Internal reference drift 15 °C IQ Quiescent current PD1 = 1, PD0 = 0, SDA and SCL high 500 µA Reference Input VI Input voltage 1 +VCC V SER/DFR = 0, PD1 = 0, Internal reference off 1 G Ω Input impedance Internal reference on 250 Ω Battery Monitor VI Input voltage 0.5 6 V Sampling battery 10 k Ω ZI Input impedance Battery monitor off 1 G Ω VBAT = 0.5 V to 5.5 V, External VREF = 2.5 V -2 +2 Accuracy % VBAT = 0.5 V to 5.5 V, Internal reference -3 +3 Temperature Measurement Temperature range -40 125 °C Differential method(3) 1.6 Resolution °C TEMP0(4) 0.3 Differential method(3) ±2 Accuracy °C TEMP0(4) ±3 Digital Input/Output 0.7 × IOVDD + VIH High-level input voltage | IIH | ≤ 5 µA V IOVDD 0.3 0.3 × VIL Low-level input voltage | IIL | ≤ 5 µA -0.3 V IOVDD 0.8 × VOH High-level output voltage IOH = -250 µA V IOVDD VOL Low-level output voltage IOL = 250 µA 0.4 V Ci Input capacitance All digital control input pins 5 15 pF Power Supply Requirements Specified performance 2.7 3.6 +VCC Supply voltage(5) V Operating range 2.5 5.25 IOVDD Supply voltage(6) 1.5 +VCC V Internal reference off 280 650 Internal reference on 970 IQ Quiescent current µA fSAMPLE = 12.5 kHz 220 Power-down mode, CS = DCLK = DIN = IOVDD 10 28 PD Power dissipation +VCC = 2.7 V 1.8 mW Temperature Range TA Operating free-air temperature Specified performance -40 125 °C (3) Difference between TEMP0 and TEMP1 measurement. No calibration necessary. (4) Temperature drift is -2.1 mV/°C.s (5) TSC2046E operates down to 2.2V. (6) IOVDD must be ≤ +VCC. 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TSC2046E-Q1 |
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