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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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LTC1855CG Folha de dados(PDF) 2 Page - Linear Technology |
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LTC1855CG Folha de dados(HTML) 2 Page - Linear Technology |
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2 / 24 page  2 LTC1854/LTC1855/LTC1856 185456fa Consult LTC Marketing for parts specified with wider operating temperature ranges. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TOP VIEW G PACKAGE 28-LEAD PLASTIC SSOP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 COM CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7 MUXOUT+ MUXOUT– ADC+ ADC– AGND1 CONVST RD SCK SDI DGND SDO BUSY OVDD DVDD AVDD AGND3 AGND2 REFCOMP VREF A G A U A R BSOLUTEXI TI S Supply Voltage (OVDD = DVDD = AVDD = VDD) ........... 6V Ground Voltage Difference DGND, AGND1, AGND2, AGND3 ...................... ±0.3V Analog Input Voltage ADC+, ADC– (Note 3) ...................(AGND1 – 0.3V) to (AVDD + 0.3V) CH0-CH7, COM .................................................. ±30V Digital Input Voltage (Note 4) ...... (DGND – 0.3V) to 10V Digital Output Voltage .... (DGND – 0.3V) to (DVDD + 0.3V) Power Dissipation .............................................. 500mW Operating Temperature Range LTC1854C/LTC1855C/LTC1856C ............ 0 ∞C to 70∞C LTC1854I/LTC1855I/LTC1856I .......... – 40 ∞C to 85∞C Storage Temperature Range ................. – 65 ∞C to 150∞C Lead Temperature (Soldering, 10 sec) ................. 300 ∞C TJMAX = 110 ∞C, qJA = 95∞C/W (Notes 1, 2) ORDER PART NUMBER LTC1855CG LTC1855IG PACKAGE/ORDER I FOR ATIO The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25 ∞C. MUXOUT connected to ADC inputs. (Notes 5, 6) CO VERTER A D ULTIPLEXER CHARACTERISTICS 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/ LTC1854CG LTC1854IG LTC1856CG LTC1856IG LTC1854 LTC1855 LTC1856 PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS Resolution ● 12 14 16 Bits No Missing Codes ● 12 14 15 Bits Transition Noise 0.06 0.25 1 LSBRMS Integral Linearity Error (Note 7) ● ±1 ±1.5 ±3LSB Differential Linearity Error ● –1 1 –1 1.5 –2 4 LSB Bipolar Zero Error (Note 8) ● ±5 ±8 ±23 LSB Bipolar Zero Error Drift ±0.1 ±0.1 ±0.1 ppm/ ∞C Bipolar Zero Error Match 3 4 10 LSB Bipolar Full-Scale Error External Reference (Note 11) ● ±0.34 ±0.14 ±0.1 % Internal Reference (Note 11) ±0.45 ±0.40 ±0.4 % Bipolar Full-Scale Error Drift External Reference ±2.5 ±2.5 ±2.5 ppm/ ∞C Internal Reference ±7 ±7 ±7 ppm/ ∞C Bipolar Full-Scale Error Match 5 10 15 LSB Input Common Mode Range ● ±10 ±10 ±10 V Input Common Mode Rejection Ratio 96 96 96 dB |
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