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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC2221 датащи(PDF) 2 Page - Linear Technology |
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LTC2221 датащи(HTML) 2 Page - Linear Technology |
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2 / 32 page  LTC2220/LTC2221 2 22201fa CO VERTER CHARACTERISTICS 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 LTC2220C, LTC2221C ............................. 0 °C to 70°C LTC2220I, LTC2221I ...........................–40 °C to 85°C Storage Temperature Range ..................–65 °C to 125°C ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO OVDD = VDD (Notes 1, 2) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) LTC2220 LTC2221 PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Resolution (No Missing Codes) ● 12 12 Bits Integral Linearity Error Differential Analog Input (Note 5) ● –1.5 ±0.4 1.5 –1 ±0.4 1 LSB Differential Linearity Error Differential Analog Input ● –1 ±0.3 1 –1 ±0.2 1 LSB Integral Linearity Error Single-Ended Analog Input (Note 5) ±1 ±1LSB Differential Linearity Error Single-Ended Analog Input ±0.3 ±0.2 LSB Offset Error (Note 6) ● –35 ±3 35 –35 ±335 mV Gain Error External Reference ● –2.5 ±0.5 2.5 –2.5 ±0.5 2.5 %FS Offset Drift ±10 ±10 µV/C Full-Scale Drift Internal Reference ±30 ±30 ppm/C External Reference ±15 ±15 ppm/C Transition Noise SENSE = 1V 0.5 0.5 LSBRMS TJMAX = 125°C, θJA = 20°C/W EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB 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. LTC2220CUP LTC2220IUP LTC2221CUP LTC2221IUP 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/ UP PART MARKING* LTC2220UP LTC2220UP LTC2221UP LTC2221UP TOP VIEW UP PACKAGE 64-LEAD (9mm × 9mm) PLASTIC QFN AIN + 1 AIN + 2 AIN – 3 AIN – 4 REFHA 5 REFHA 6 REFLB 7 REFLB 8 REFHB 9 REFHB 10 REFLA 11 REFLA 12 VDD 13 VDD 14 VDD 15 GND 16 48 D9+/DA6 47 D9–/DA5 46 D8+/DA4 45 D8–/DA3 44 D7 +/DA2 43 D7 –/DA1 42 OVDD 41 OGND 40 D6+/DA0 39 D6–/CLOCKOUTA 38 D5+/CLOCKOUTB 37 D5–/OFB 36 CLOCKOUT +/DB11 35 CLOCKOUT –/DB10 34 OVDD 33 OGND 65 |
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