Datasheet LTC2333-18 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | Buffered 8-Channel, 18-Bit, 800ksps Differential ±10.24V ADC with 30VP-P Common Mode Range |
| Seiten / Seite | 40 / 3 — ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply … |
| Dateiformat / Größe | PDF / 2.2 Mb |
| Dokumentensprache | Englisch |
ELECTRICAL. CHARACTERISTICS The. denotes the specifications which apply over the full operating
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LTC2333-18
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN+ Absolute Input Range (Note 7) l VEE + 4 VCC – 4 V (IN0+ to IN7+) VIN– Absolute Input Range (Note 7) l VEE + 4 VCC – 4 V (IN0– to IN7–) VIN+ – VIN– Input Differential Voltage SoftSpan 7: ±2.5 • VREFBUF Range (Note 7) l –2.5 • VREFBUF 2.5 • VREFBUF V Range SoftSpan 6: ±2.5 • VREFBUF/1.024 Range (Note 7) l –2.5 • VREFBUF/1.024 2.5 • VREFBUF/1.024 V SoftSpan 5: 0V to 2.5 • VREFBUF Range (Note 7) l 0 2.5 • VREFBUF V SoftSpan 4: 0V to 2.5 • VREFBUF/1.024 Range (Note 7) l 0 2.5 • VREFBUF/1.024 V SoftSpan 3: ±1.25 • VREFBUF Range (Note 7) l –1.25 • VREFBUF 1.25 • VREFBUF V SoftSpan 2: ±1.25 • VREFBUF/1.024 Range (Note 7) l –1.25 • VREFBUF/1.024 1.25 • VREFBUF/1.024 V SoftSpan 1: 0V to 1.25 • VREFBUF Range (Note 7) l 0 1.25 • VREFBUF V SoftSpan 0: 0V to 1.25 • VREFBUF/1.024 Range (Note 7) l 0 1.25 • VREFBUF/1.024 V VCM Input Common Mode Voltage (Note 7) l VEE + 4 VCC – 4 V Range VIN+ – VIN– Input Differential Overdrive (Note 8) l −(VCC − VEE) (VCC − VEE) V Tolerance IOVERDRIVE Input Overdrive VIN+ > VCC, VIN− > VCC (Note 8) l 10 mA Current Tolerance VIN+ < VEE, VIN− < VEE (Note 8) l 0 mA IIN Analog Input Leakage Current 5 pA C-Grade and I-Grade l 500 pA H-Grade l 12 nA RIN Analog Input Resistance For Each Pin >1000 GΩ CIN Analog Input Capacitance 3 pF CMRR Input Common Mode VIN+ = VIN− = 18VP-P 200Hz Sine l 105 128 dB Rejection Ratio VIHCNV CNV High Level Input Voltage l 1.3 V VILCNV CNV Low Level Input Voltage l 0.5 V IINCNV CNV Input Current VIN = 0V to VDD l –10 10 μA
CONVERTER CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution l 18 Bits No Missing Codes l 18 Bits Transition Noise SoftSpans 7 and 6: ±10.24V and ±10V Ranges 1.4 LSBRMS SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges 2.8 LSBRMS SoftSpans 3 and 2: ±5.12V and ±5V Ranges 2.1 LSBRMS SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges 4.2 LSBRMS INL Integral Linearity Error SoftSpans 7 and 6: ±10.24V and ±10V Ranges (Note 10) l –3 ±1.25 3 LSB SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges (Note 10) l –4 ±1.5 4 LSB SoftSpans 3 and 2: ±5.12V and ±5V Ranges (Note 10) l –3 ±0.75 3 LSB SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges (Note 10) l –5 ±0.75 5 LSB DNL Differential Linearity Error (Note 11) l −0.9 ±0.2 0.9 LSB ZSE Zero-Scale Error (Note 12) l −700 ±80 700 μV Zero-Scale Error Drift ±4 μV/°C FSE Full-Scale Error VREFBUF = 4.096V (REFBUF Overdriven) (Note 12) l −0.1 ±0.025 0.1 %FS Full-Scale Error Drift VREFBUF = 4.096V (REFBUF Overdriven) (Note 12) ±2.5 ppm/°C 233318f For more information www.linear.com/LTC2333-18 3
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN+ Absolute Input Range (Note 7) l VEE + 4 VCC – 4 V (IN0+ to IN7+) VIN– Absolute Input Range (Note 7) l VEE + 4 VCC – 4 V (IN0– to IN7–) VIN+ – VIN– Input Differential Voltage SoftSpan 7: ±2.5 • VREFBUF Range (Note 7) l –2.5 • VREFBUF 2.5 • VREFBUF V Range SoftSpan 6: ±2.5 • VREFBUF/1.024 Range (Note 7) l –2.5 • VREFBUF/1.024 2.5 • VREFBUF/1.024 V SoftSpan 5: 0V to 2.5 • VREFBUF Range (Note 7) l 0 2.5 • VREFBUF V SoftSpan 4: 0V to 2.5 • VREFBUF/1.024 Range (Note 7) l 0 2.5 • VREFBUF/1.024 V SoftSpan 3: ±1.25 • VREFBUF Range (Note 7) l –1.25 • VREFBUF 1.25 • VREFBUF V SoftSpan 2: ±1.25 • VREFBUF/1.024 Range (Note 7) l –1.25 • VREFBUF/1.024 1.25 • VREFBUF/1.024 V SoftSpan 1: 0V to 1.25 • VREFBUF Range (Note 7) l 0 1.25 • VREFBUF V SoftSpan 0: 0V to 1.25 • VREFBUF/1.024 Range (Note 7) l 0 1.25 • VREFBUF/1.024 V VCM Input Common Mode Voltage (Note 7) l VEE + 4 VCC – 4 V Range VIN+ – VIN– Input Differential Overdrive (Note 8) l −(VCC − VEE) (VCC − VEE) V Tolerance IOVERDRIVE Input Overdrive VIN+ > VCC, VIN− > VCC (Note 8) l 10 mA Current Tolerance VIN+ < VEE, VIN− < VEE (Note 8) l 0 mA IIN Analog Input Leakage Current 5 pA C-Grade and I-Grade l 500 pA H-Grade l 12 nA RIN Analog Input Resistance For Each Pin >1000 GΩ CIN Analog Input Capacitance 3 pF CMRR Input Common Mode VIN+ = VIN− = 18VP-P 200Hz Sine l 105 128 dB Rejection Ratio VIHCNV CNV High Level Input Voltage l 1.3 V VILCNV CNV Low Level Input Voltage l 0.5 V IINCNV CNV Input Current VIN = 0V to VDD l –10 10 μA
CONVERTER CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 9) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution l 18 Bits No Missing Codes l 18 Bits Transition Noise SoftSpans 7 and 6: ±10.24V and ±10V Ranges 1.4 LSBRMS SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges 2.8 LSBRMS SoftSpans 3 and 2: ±5.12V and ±5V Ranges 2.1 LSBRMS SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges 4.2 LSBRMS INL Integral Linearity Error SoftSpans 7 and 6: ±10.24V and ±10V Ranges (Note 10) l –3 ±1.25 3 LSB SoftSpans 5 and 4: 0V to 10.24V and 0V to 10V Ranges (Note 10) l –4 ±1.5 4 LSB SoftSpans 3 and 2: ±5.12V and ±5V Ranges (Note 10) l –3 ±0.75 3 LSB SoftSpans 1 and 0: 0V to 5.12V and 0V to 5V Ranges (Note 10) l –5 ±0.75 5 LSB DNL Differential Linearity Error (Note 11) l −0.9 ±0.2 0.9 LSB ZSE Zero-Scale Error (Note 12) l −700 ±80 700 μV Zero-Scale Error Drift ±4 μV/°C FSE Full-Scale Error VREFBUF = 4.096V (REFBUF Overdriven) (Note 12) l −0.1 ±0.025 0.1 %FS Full-Scale Error Drift VREFBUF = 4.096V (REFBUF Overdriven) (Note 12) ±2.5 ppm/°C 233318f For more information www.linear.com/LTC2333-18 3