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DAC1280 数据表(PDF) 4 Page - Texas Instruments |
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DAC1280 数据表(HTML) 4 Page - Texas Instruments |
4 / 24 page I , | = 0.94 AVDD (1 + 22 Gain) I | AVSS · · V R REF REF DAC1280 SBAS432A – APRIL 2010 – REVISED SEPTEMBER 2010 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Minimum/maximum specifications at –40°C to +85°C, typical specifications at +25°C, AVDD = +2.5V, AVSS = –2.5V, DVDD = 3.3V, CLK = 4.096MHz, VREF = 5V, and RREF = 30kΩ, unless otherwise noted. Refer to circuit configuration shown in Figure 35. DAC1280 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT REFERENCE RESISTOR (RREF) Reference resistor 28 30 60 k Ω DIGITAL INPUTS (DVDD = 1.65V to 3.6V) VIH 0.8 × DVDD DVDD V VIL DGND 0.2 × DVDD V Input hysteresis 0.5 V Input leakage 0 < VIN < DVDD –10 10 mA CLOCK INPUT (fCLK) Frequency 1 4.096 MHz TDATA INPUT Frequency fCLK/16 MHz 1s density modulation 25 75 % POWER SUPPLY AVSS –2.6 0 V AVDD AVSS + 4.75 AVSS + 5.25 V DVDD 1.65 3.6 V Gain = 1/1 3.6 3.7 | mA | AVDD, AVSS current(8) Power-down 1 10 | mA | Operating 60 150 mA DVDD current Power-down(9) 1 10 mA Gain = 1/1 18 mW Power dissipation Power-down 8 mW TEMPERATURE RANGE Specified temperature range –40 +85 °C Operating temperature range –40 +125 °C Storage temperature range –40 +150 °C (8) Typical analog supply current depends on gain, VREF, and RREF: (9) CLK and TDATA stopped. Digital inputs maintained at VIH or VIL levels. 4 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): DAC1280 |
类似零件编号 - DAC1280_15 |
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类似说明 - DAC1280_15 |
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