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DAC121S101CIMMX 数据表(PDF) 5 Page - Texas Instruments |
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DAC121S101CIMMX 数据表(HTML) 5 Page - Texas Instruments |
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5 / 37 page  I/O GND TO INTERNAL CIRCUITRY DAC121S101, DAC121S101-Q1 www.ti.com SNAS265J – JUNE 2005 – REVISED SEPTEMBER 2015 7.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) (1) (2) MIN NOM MAX UNIT DAC121S101 −40 TA 105 °C Operating Temperature Range DAC121S101-Q1 −40 TA 125 °C Supply Voltage, VA 2.7 5.5 V Any Input Voltage(3) −0.1 (VA + 0.1) V Output Load 0 1500 pF SCLK Frequency 30 MHz (1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Recommended Operating Ratings indicate conditions for which the device is functional, but do not ensure specific performance limits. For ensured specifications and test conditions, see the Electrical Characteristics. The ensured specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test conditions. (2) All voltages are measured with respect to GND = 0 V, unless otherwise specified (3) The analog inputs are protected as shown below. Input voltage magnitudes up to VA + 300 mV or to 300 mV below GND will not damage this device. However, errors in the conversion result can occur if any input goes above VA or below GND by more than 100 mV. For example, if VA is 2.7VDC, ensure that −100mV ≤ input voltages ≤2.8VDC to ensure accurate conversions. 7.4 Thermal Information DAC121S101, DAC121S101-Q1 THERMAL METRIC(1) DGK (VSSOP) DDC (SOT) UNIT 8 PINS 6 PINS RθJA Junction-to-ambient thermal resistance 240 250 °C/W (1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953. 7.5 Electrical Characteristics The following specifications apply for VA = 2.7 V to 5.5 V, RL = 2 kΩ to GND, CL = 200 pF to GND, fSCLK = 30 MHz, input code range 48 to 4047. All limits are for TA = 25°C, unless otherwise specified. PARAMETER TEST CONDITIONS MIN (1) TYP (1) MAX (1) UNIT STATIC PERFORMANCE Resolution TMIN ≤ TA ≤ TMAX 12 Bits Monotonicity TMIN ≤ TA ≤ TMAX 12 Bits TA = 25°C ±2.6 INL Integral Non-Linearity Over Decimal codes 48 to 4047 LSB TMIN ≤ TA ≤ TMAX ±8 TA = 25°C −0.15 +0.25 LSB VA = 2.7 V to 5.5 V TMIN ≤ TA ≤ TMAX −0.7 +1 LSB DNL Differential Non-Linearity TA = 25°C ±0.11 VA = 4.5 V to 5.5 V (2) LSB TMIN ≤ TA ≤ TMAX ±0.5 TA = 25°C +4 ZE Zero Code Error IOUT = 0 mV TMIN ≤ TA ≤ TMAX +15 TA = 25°C −0.06 FSE Full-Scale Error IOUT = 0 %FSR TMIN ≤ TA ≤ TMAX −1 TA = 25°C −0.1 GE Gain Error All ones Loaded to DAC register %FSR TMIN ≤ TA ≤ TMAX ±1 ZCED Zero Code Error Drift −20 µV/°C (1) Typical figures are at TJ = 25°C, and represent most likely parametric norms. Test limits are specified to TI's AOQL (Average Outgoing Quality Level). (2) This parameter is specified by design and/or characterization and is not tested in production. Copyright © 2005–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: DAC121S101 DAC121S101-Q1 |
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