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LTC2637 Datasheet(PDF) 8 Page - Linear Technology |
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LTC2637 Datasheet(HTML) 8 Page - Linear Technology |
8 / 28 page LTC2637 2637fa electrical characteristics 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. LTC2637-HMI12/ LTC2637-HMI10/ LTC2637-HMI8/ LTC2637-HMX12/ LTC2637-HMX10/ LTC2637-HMX8/ LTC2637-HZ12/ LTC2637-HZ10/ LTC2637-HZ8 (VFS =4.096V) SYMBOL PARAMETER CONDITIONS LTC2637-8 LTC2637-10 LTC2637-12 UNITS MIN TYP MAX MIN TYP MAX MIN TYP MAX Resolution l 8 10 12 Bits Monotonicity VCC = 5V, Internal Reference (Note 4) l 8 10 12 Bits DNL Differential Nonlinearity VCC = 5V, Internal Reference (Note 4) l ±0.5 ±0.5 ±1 LSB INL Integral Nonlinearity VCC = 5V, Internal Reference (Note 4) l ±0.05 ±0.5 ±0.2 ±1 ±1 ±2.5 LSB ZSE Zero-Scale Error VCC = 5V, Internal Reference, Code = 0 l 0.5 5 0.5 5 0.5 5 mV VOS Offset Error VCC = 5V, Internal Reference (Note 5) l ±0.5 ±5 ±0.5 ±5 ±0.5 ±5 mV VOSTC VOS Temperature Coefficient VCC = 5V, Internal Reference ±10 ±10 ±10 µV/°C GE Gain Error VCC = 5V, Internal Reference l ±0.2 ±0.8 ±0.2 ±0.8 ±0.2 ±0.8 %FSR GETC Gain Temperature Coefficient VCC = 5V, Internal Reference (Note 10) C-Grade I-Grade H-Grade 10 10 10 10 10 10 10 10 10 ppm/°C ppm/°C ppm/°C Load Regulation VCC = 5V±10%, (Note 15) Internal Reference, Mid-Scale, –10mA ≤ IOUT ≤ 10mA l 0.006 0.01 0.022 0.04 0.09 0.16 LSB/mA ROUT DC Output Impedance VCC = 5V±10%, (Note 15) Internal Reference, Mid-Scale, –10mA ≤ IOUT ≤ 10mA l 0.09 0.156 0.09 0.156 0.09 0.156 Ω SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOUT DAC Output Span External Reference Internal Reference 0 to VREF 0 to 4.096 V V PSR Power Supply Rejection VCC = 5V±10% –80 dB ISC Short Circuit Output Current (Note 6) Sinking Sourcing VFS = VCC = 5.5V Zero-Scale; VOUT Shorted to VCC Full-Scale; VOUT Shorted to GND l l 27 –28 48 –48 mA mA Power Supply VCC Positive Supply Voltage For Specified Performance l 4.5 5.5 V ICC Supply Current (Note 7) VCC = 5V, VREF = 4.096V, External Reference VCC = 5V, Internal Reference l l 1.0 1.1 1.3 1.5 mA mA ISD Supply Current in Power-Down Mode (Note 7) VCC = 5V, C-Grade, I-Grade VCC = 5V, H-Grade l l 1 1 20 30 µA µA Reference Input Input Voltage Range l 1 VCC V Resistance l 120 160 200 kΩ Capacitance 12 pF IREF Reference Current, Power-Down Mode DAC Powered Down l 0.005 1.5 µA Reference Output Output Voltage l 2.032 2.048 2.064 V Reference Temperature Coefficient ±10 ppm/°C |
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Similar Description - LTC2637 |
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