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LTC2636 Datasheet(PDF) 4 Page - Linear Technology |
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LTC2636 Datasheet(HTML) 4 Page - Linear Technology |
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4 / 28 page  LTC2668 4 2668fa For more information www.linear.com/LTC2668 electrical characteristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. AVP = 5V, OVP = 5V, V+ = 15V, V– = –15V, VREF = 2.5V, VOUT unloaded unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOUT Output Voltage Swing To V– (Unloaded, V– = GND) To V+ (Unloaded, V+ = 5V) To V– (–10mA ≤ IOUT ≤ 10mA) To V+ (–10mA ≤ IOUT ≤ 10mA) l l V+ – 1.4 V– + 0.004 V+ – 0.004 V– + 1.4 V V V V Load Regulation –10mA ≤ IOUT ≤ 10mA (Note 4) l 78 150 µV/mA ROUT DC Output Impedance –10mA ≤ IOUT ≤ 10mA (Note 4) l 0.078 0.15 Ω DC Crosstalk (Note 5) 0V to 5V Range Due to Full-Scale Output Change Due to Load Current Change Due to Powering Down (per Channel) ±1 ±2 ±4 µV µV/mA µV ISC V+/V– Short-Circuit Output Current (Note 6) AVP = 5.5V, V+/V– = ±15.75V, VREF = 2.5V, ±10V Output Range Code: Zero-Scale; Forcing Output to GND Code: Full-Scale; Forcing Output to GND l l 16 –40 42 –14.5 mA mA Reference Reference Output Voltage 2.495 2.5 2.505 V Reference Temperature Coefficient (Note 7) ±2 ±10 ppm/°C Reference Line Regulation AVP ±10% 50 µV/V Reference Short-Circuit Current AVP = 5.5V, Forcing Output to GND l 5 mA LTC2668-16/LTC2668-12 SYMBOL PARAMETER CONDITIONS LTC2668-12 LTC2668-16 UNITS MIN TYP MAX MIN TYP MAX DC Performance Resolution l 12 16 Bits Monotonicity All Ranges (Note 3) l 12 16 Bits DNL Differential Nonlinearity All Ranges (Note 3) l ±0.05 ±0.5 ±0.2 ±1 LSB INL Integral Nonlinearity All Ranges (Note 3) V+/V– = ±15V V– = GND (Note 3) C-Grade, I-Grade H-Grade l l l ±0.2 ±0.2 ±0.2 ±1 ±1 ±1 ±2.2 ±2.2 ±2.2 ±4 ±4 ±5 LSB LSB LSB VOS Unipolar Offset Error 0V to 5V Range 0V to 10V Range l l ±1 ±2 ±2 ±4 ±1 ±2 ±2 ±4 mV mV VOS Temperature Coefficient All Unipolar Ranges 1 1 ppm/°C ZSE Single-Supply Zero-Scale Error All Unipolar Ranges, V– = GND l 2 4 2 4 mV BZE Bipolar Zero Error All Bipolar Ranges l ±0.02 ±0.08 ±0.02 ±0.08 %FSR BZE Temperature Coefficient All Bipolar Ranges 1 1 ppm/°C GE Gain Error All Ranges, External Reference l ±0.02 ±0.08 ±0.02 ±0.08 %FSR Gain Temperature Coefficient 2 2 ppm/°C PSR Power Supply Rejection All Ranges AVP = 5V, ±10% V+/V– = ±15V, ±5% 0.1 0.001 1 0.01 LSB/V LSB/V |
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