Datasheet LTC2368-18 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 18-Bit, 1Msps, Pseudo-Differential Unipolar SAR ADC with 97dB SNR |
| 页数 / 页 | 24 / 4 — REFERENCE INPUT. The. denotes the specifications which apply over the … |
| 文件格式/大小 | PDF / 2.3 Mb |
| 文件语言 | 英语 |
REFERENCE INPUT. The. denotes the specifications which apply over the full operating temperature range, otherwise
该数据表的模型线
- LTC2368CDE-18#PBF LTC2368CDE-18#PBF LTC2368CDE-18#TRPBF LTC2368CDE-18#TRPBF LTC2368CMS-18#PBF LTC2368CMS-18#PBF LTC2368CMS-18#TRPBF LTC2368CMS-18#TRPBF LTC2368HMS-18#PBF LTC2368HMS-18#PBF LTC2368HMS-18#TRPBF LTC2368HMS-18#TRPBF LTC2368IDE-18#PBF LTC2368IDE-18#PBF LTC2368IDE-18#TRPBF LTC2368IDE-18#TRPBF LTC2368IMS-18#PBF LTC2368IMS-18#PBF LTC2368IMS-18#TRPBF LTC2368IMS-18#TRPBF
文件文字版本
LTC2368-18
REFERENCE INPUT The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Reference Voltage (Note 5) l 2.5 5.1 V IREF Reference Input Current (Note 9) l 0.5 0.7 mA
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage l 0.8 • OVDD V VIL Low Level Input Voltage l 0.2 • OVDD V IIN Digital Input Current VIN = 0V to OVDD l –10 10 µA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage IO = –500µA l OVDD – 0.2 V VOL Low Level Output Voltage IO = 500µA l 0.2 V IOZ Hi-Z Output Leakage Current VOUT = 0V to OVDD l –10 10 µA ISOURCE Output Source Current VOUT = 0V –10 mA ISINK Output Sink Current VOUT = OVDD 10 mA
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Supply Voltage l 2.375 2.5 2.625 V OVDD Supply Voltage l 1.71 5.25 V IVDD Supply Current 1Msps Sample Rate l 5.4 6.3 mA IOVDD Supply Current 1Msps Sample Rate (CL = 20pF) 0.7 mA IPD Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V) l 0.9 90 µA IPD Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V, H-Grade) l 0.9 140 µA PD Power Dissipation 1Msps Sample Rate 13.5 15.8 mW Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V) 2.25 225 µW Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V, H-Grade) 2.25 315 µW
ADC TIMING CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSMPL Maximum Sampling Frequency l 1 Msps tCONV Conversion Time l 460 527 ns tACQ Acquisition Time tACQ = tCYC – tCONV – tBUSYLH (Note 10) l 460 ns tCYC Time Between Conversions l 1 µs tCNVH CNV High Time l 20 ns tBUSYLH CNV↑ to BUSY Delay CL = 20pF l 13 ns tCNVL Minimum Low Time for CNV (Note 11) l 20 ns tQUIET SCK Quiet Time from CNV↑ (Note 10) l 20 ns tSCK SCK Period (Notes 11, 12) l 10 ns tSCKH SCK High Time l 4 ns 236818f 4 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Timing Diagrams Board Layout Package Description Typical Application Related Parts
REFERENCE INPUT The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Reference Voltage (Note 5) l 2.5 5.1 V IREF Reference Input Current (Note 9) l 0.5 0.7 mA
DIGITAL INPUTS AND DIGITAL OUTPUTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIH High Level Input Voltage l 0.8 • OVDD V VIL Low Level Input Voltage l 0.2 • OVDD V IIN Digital Input Current VIN = 0V to OVDD l –10 10 µA CIN Digital Input Capacitance 5 pF VOH High Level Output Voltage IO = –500µA l OVDD – 0.2 V VOL Low Level Output Voltage IO = 500µA l 0.2 V IOZ Hi-Z Output Leakage Current VOUT = 0V to OVDD l –10 10 µA ISOURCE Output Source Current VOUT = 0V –10 mA ISINK Output Sink Current VOUT = OVDD 10 mA
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VDD Supply Voltage l 2.375 2.5 2.625 V OVDD Supply Voltage l 1.71 5.25 V IVDD Supply Current 1Msps Sample Rate l 5.4 6.3 mA IOVDD Supply Current 1Msps Sample Rate (CL = 20pF) 0.7 mA IPD Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V) l 0.9 90 µA IPD Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V, H-Grade) l 0.9 140 µA PD Power Dissipation 1Msps Sample Rate 13.5 15.8 mW Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V) 2.25 225 µW Power Down Mode Conversion Done (IVDD + IOVDD + IREF, VREF > 2V, H-Grade) 2.25 315 µW
ADC TIMING CHARACTERISTICS The
l
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
fSMPL Maximum Sampling Frequency l 1 Msps tCONV Conversion Time l 460 527 ns tACQ Acquisition Time tACQ = tCYC – tCONV – tBUSYLH (Note 10) l 460 ns tCYC Time Between Conversions l 1 µs tCNVH CNV High Time l 20 ns tBUSYLH CNV↑ to BUSY Delay CL = 20pF l 13 ns tCNVL Minimum Low Time for CNV (Note 11) l 20 ns tQUIET SCK Quiet Time from CNV↑ (Note 10) l 20 ns tSCK SCK Period (Notes 11, 12) l 10 ns tSCKH SCK High Time l 4 ns 236818f 4 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Reference Input Digital Inputs And Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Functional Block Diagram Timing Diagram Applications Information Timing Diagrams Board Layout Package Description Typical Application Related Parts