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LTC1250 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1250 Datasheet(HTML) 3 Page - Linear Technology |
3 / 12 page LTC1250 3 1250fb LTC1250M LTC1250C SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS fS Internal Sampling Frequency TA = 25°C 4.75 4.75 kHz VOS Input Offset Voltage TA = 25°C (Note 2) ±2 ±5 ±2 ±5 µV ∆VOS Average Input Offset Drift (Note 2) ● ±0.01 ±0.05 ±0.01 ±0.05 µV/°C en Input Noise Voltage (Note 3) TA = 25°C, 0.1Hz to 10Hz 1.0 1.0 µVP-P TA = 25°C, 0.1Hz to 1Hz 0.3 0.3 µVP-P IB Input Bias Current TA = 25°C (Note 4) ±20 ±100 ±20 ±100 pA IOS Input Offset Current TA = 25°C (Note 4) ±40 ±200 ±40 ±200 pA Maximum Output Voltage Swing RL = 1k 4.0 4.3 4.0 4.3 V RL = 100k 4.95 4.95 V IS Supply Current TA = 25°C 1.8 2.5 1.8 2.5 mA fS Sampling Frequency TA = 25°C 3 3 kHz CC HARA TERISTICS A TYPICALPERFOR CE TOTAL SUPPLY VOLTAGE, V+ TO V– (V) 4 2 3 4 68 10 12 1250 G03 5 6 14 16 TA = 25°C TOTAL SUPPLY VOLTAGE, V+ TO V– (V) 4 0 0.5 1.0 1.5 2.0 68 10 12 1250 G02 2.5 3.0 3.5 4.0 14 16 TA = 25°C TOTAL SUPPLY VOLTAGE, V+ TO V– (V) 4 0 0.2 0.4 0.6 0.8 68 10 12 1250 G01 1.0 1.2 1.4 1.6 14 16 TA = 25°C 0.1Hz TO 10Hz 0.1Hz TO 1Hz Sampling Frequency vs Supply Voltage Supply Current vs Supply Voltage Input Noise vs Supply Voltage Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: These parameters are guaranteed by design. Thermocouple effects preclude measurement of these voltage levels during automated testing. Note 3: 0.1Hz to 10Hz noise is specified DC coupled in a 10s window; 0.1Hz to 1Hz noise is specified in a 100s window with an RC high-pass filter at 0.1Hz. The LTC1250 is sample tested for noise; for 100% tested parts contact LTC Marketing Dept. Note 4: At T ≤ 0°C these parameters are guaranteed by design and not tested. ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, VIN = ±5V, otherwise specifications are at TA |
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