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LTC2657BCUFD-H16PBF Datasheet(PDF) 6 Page - Linear Technology |
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LTC2657BCUFD-H16PBF Datasheet(HTML) 6 Page - Linear Technology |
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6 / 24 page  LTC2657 6 2657f SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIL(CA) Low Level Input Voltage (CA0 and CA2) See Test Circuit 1 l 0.15VCC V VIH(CA) High Level Input Voltage (CA0 and CA2) See Test Circuit 1 l 0.85VCC V RINH Resistance from CAn (n = 0,1, 2) to VCC to Set CAn = VCC See Test Circuit 2 l 10 kΩ RINL Resistance from CAn (n = 0,1, 2) to GND to Set CAn = GND See Test Circuit 2 l 10 kΩ RINF Resistance from CAn (n = 0,1, 2) to VCC or GND to Set CAn=FLOAT See Test Circuit 2 l 2MΩ VOL Low Level Output Voltage Sink Current = 3mA l 0 0.4 V tOF Output Fall Time VO = VIH(MIN) to VO = VIL(MAX), CB = 10pF to 400pF (Note 13) l 20+0.1CB 250 ns tSP Pulse Width of Spikes Suppressed by Input Filter l 050 ns IIN Input Leakage 0.1VCC ≤ VIN ≤ 0.9VCC l 1μA CIN I/O Pin Capacitance (Note 9) l 10 pF CB Capacitance Load for Each Bus Line l 400 pF CCAn External Capacitive Load on Address Pins CA0, CA1 and CA2 l 10 pF ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VOUT unloaded unless otherwise specified. LTC2657B-L16/LTC2657-L12 (Internal Reference = 1.25V) The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 4.5V to 5.5V, VOUT unloaded unless otherwise specified. LTC2657B-H16/LTC2657-H12 (Internal Reference = 2.048V) SYMBOL PARAMETER CONDITIONS LTC2657-12 LTC2657B-16 UNITS MIN TYP MAX MIN TYP MAX DC Performance Resolution l 12 16 Bits Monotonicity (Note 3) l 12 16 Bits DNL Differential Nonlinearity (Note 3) l ±0.1 ±0.5 ±0.3 ±1 LSB INL Integral Nonlinearity (Note 3) VCC = 5.5V, VREF = 2.5V l ±0.5 ±1 ±2 ±4 LSB Load Regulation VCC = 5V ±10%, Internal Reference, Mid-Scale, –15mA ≤ IOUT ≤ 15mA l 0.04 0.125 0.6 2 LSB/mA ZSE Zero-Scale Error l 13 13 mV VOS Offset Error (Note 4) VREF = 2.048V l ±1 ±2 ±1 ±2 mV VOS Temperature Coefficient 2 2 μV/°C GE Gain Error l ±0.02 ±0.1 ±0.02 ±0.1 %FSR Gain Temperature Coefficient 1 1 ppm/°C |
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