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LTC2246 Datasheet(PDF) 2 Page - Linear Technology |
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LTC2246 Datasheet(HTML) 2 Page - Linear Technology |
2 / 24 page LTC2248/LTC2247/LTC2246 2 224876fa ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO OVDD = VDD (Notes 1, 2) Supply Voltage (VDD) ................................................. 4V Digital Output Ground Voltage (OGND) ....... –0.3V to 1V Analog Input Voltage (Note 3) ..... –0.3V to (VDD + 0.3V) Digital Input Voltage .................... –0.3V to (VDD + 0.3V) Digital Output Voltage ................ –0.3V to (OVDD + 0.3V) Power Dissipation ............................................ 1500mW Operating Temperature Range LTC2248C, LTC2247C, LTC2246C ........... 0 °C to 70°C LTC2248I, LTC2247I, LTC2246I ..........–40 °C to 85°C Storage Temperature Range ..................–65 °C to 125°C The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) LTC2248 LTC2247 LTC2246 PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS Resolution ● 14 14 14 Bits (No Missing Codes) Integral Differential Analog Input ● –4 ±14 –4 ±14 –4 ±14 LSB Linearity Error (Note 5) Differential Differential Analog Input ● –1 ±0.5 1 –1 ±0.5 1 –1 ±0.5 1 LSB Linearity Error Offset Error (Note 6) ● –12 ±212 –12 ±212 –12 ±212 mV Gain Error External Reference ● –2.5 ±0.5 2.5 –2.5 ±0.5 2.5 –2.5 ±0.5 2.5 %FS Offset Drift ±10 ±10 ±10 µV/°C Full-Scale Drift Internal Reference ±30 ±30 ±30 ppm/ °C External Reference ±5 ±5 ±5 ppm/ °C Transition Noise SENSE = 1V 1 1 1 LSBRMS CO VERTER CHARACTERISTICS TJMAX = 125°C, θJA = 34°C/W EXPOSED PAD IS GND (PIN 33) MUST BE SOLDERED TO PCB 32 31 30 29 28 27 26 25 9 10 11 12 TOP VIEW UH PACKAGE 32-LEAD (5mm × 5mm) PLASTIC QFN 13 14 15 16 17 18 19 20 21 22 23 24 8 7 6 5 4 3 2 1 AIN+ AIN– REFH REFH REFL REFL VDD GND D10 D9 D8 OVDD OGND D7 D6 D5 33 ORDER PART NUMBER Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. LTC2248CUH LTC2248IUH LTC2247CUH LTC2247IUH LTC2246CUH LTC2246IUH Order Options Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ QFN PART MARKING* 2248 2248 2247 2247 2246 2246 |
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Similar Description - LTC2246 |
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