Datasheet AD6645 (Analog Devices) - 4
| 制造商 | Analog Devices |
| 描述 | 14-Bit, 80 MSPS/105 MSPS A/D Converter |
| 页数 / 页 | 25 / 4 — Data Sheet. AD6645. SPECIFICATIONS DC SPECIFICATIONS. Table 1. … |
| 修订版 | E |
| 文件格式/大小 | PDF / 1.0 Mb |
| 文件语言 | 英语 |
Data Sheet. AD6645. SPECIFICATIONS DC SPECIFICATIONS. Table 1. AD6645ASQ-80/AD6645ASV-80 AD6645ASQ-105/AD6645ASV-105. Parameter
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Data Sheet AD6645 SPECIFICATIONS DC SPECIFICATIONS
AVCC = 5 V, DVCC = 3.3 V; TMIN and TMAX at rated speed grade, unless otherwise noted.
Table 1. AD6645ASQ-80/AD6645ASV-80 AD6645ASQ-105/AD6645ASV-105 Parameter Temp Test Level Min Typ Max Min Typ Max Unit
RESOLUTION 14 14 Bits ACCURACY No Missing Codes Full II Guaranteed Guaranteed Offset Error Full II −10 +1.2 +10 −10 +1.2 +10 mV Gain Error Full II −10 0 +10 −10 0 +10 % FS Differential Nonlinearity (DNL) Full II −1.0 ±0.25 +1.5 −1.0 ±0.5 +1.5 LSB Integral Nonlinearity (INL) Full V ±0.5 ±1.5 LSB TEMPERATURE DRIFT Offset Error Full V 1.5 1.5 ppm/°C Gain Error Full V 48 48 ppm/°C POWER SUPPLY REJECTION RATIO 25°C V ±1.0 ±1.0 mV/V (PSRR) REFERENCE OUT (VREF)1 Full V 2.4 2.4 V ANALOG INPUTS (AIN, AIN) Differential Input Voltage Range Full V 2.2 2.2 V p-p Differential Input Resistance Full V 1 1 kΩ Differential Input Capacitance 25°C 1.5 1.5 pF POWER SUPPLY Supply Voltages AVCC Full II 4.75 5.0 5.25 4.75 5.0 5.25 V DVCC Full II 3.0 3.3 3.6 3.0 3.3 3.6 V Supply Current IAVCC (AVCC = 5.0 V) Full II 275 320 275 320 mA IDVCC (DVCC = 3.3 V) Full II 32 45 32 45 mA Rise Time2 AVCC Full IV 250 5.0 250 ms POWER CONSUMPTION Full II 1.5 1.75 1.5 1.75 W 1 VREF is provided for setting the common-mode offset of a differential amplifier, such as the AD8138, when a dc-coupled analog input is required. VREF should be buffered if used to drive additional circuit functions. 2 Specified for dc supplies with linear rise time characteristics. Rev. E | Page 3 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PRODUCT HIGHLIGHTS FUNCTIONAL BLOCK DIAGRAM REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS DIGITAL SPECIFICATIONS AC SPECIFICATIONS SWITCHING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE EXPLANATION OF TEST LEVELS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS EQUIVALENT CIRCUITS TERMINOLOGY THEORY OF OPERATION APPLYING THE AD6645 Encoding the AD6645 Driving the Analog Inputs Power Supplies Digital Outputs Grounding LAYOUT INFORMATION JITTER CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
AVCC = 5 V, DVCC = 3.3 V; TMIN and TMAX at rated speed grade, unless otherwise noted.
Table 1. AD6645ASQ-80/AD6645ASV-80 AD6645ASQ-105/AD6645ASV-105 Parameter Temp Test Level Min Typ Max Min Typ Max Unit
RESOLUTION 14 14 Bits ACCURACY No Missing Codes Full II Guaranteed Guaranteed Offset Error Full II −10 +1.2 +10 −10 +1.2 +10 mV Gain Error Full II −10 0 +10 −10 0 +10 % FS Differential Nonlinearity (DNL) Full II −1.0 ±0.25 +1.5 −1.0 ±0.5 +1.5 LSB Integral Nonlinearity (INL) Full V ±0.5 ±1.5 LSB TEMPERATURE DRIFT Offset Error Full V 1.5 1.5 ppm/°C Gain Error Full V 48 48 ppm/°C POWER SUPPLY REJECTION RATIO 25°C V ±1.0 ±1.0 mV/V (PSRR) REFERENCE OUT (VREF)1 Full V 2.4 2.4 V ANALOG INPUTS (AIN, AIN) Differential Input Voltage Range Full V 2.2 2.2 V p-p Differential Input Resistance Full V 1 1 kΩ Differential Input Capacitance 25°C 1.5 1.5 pF POWER SUPPLY Supply Voltages AVCC Full II 4.75 5.0 5.25 4.75 5.0 5.25 V DVCC Full II 3.0 3.3 3.6 3.0 3.3 3.6 V Supply Current IAVCC (AVCC = 5.0 V) Full II 275 320 275 320 mA IDVCC (DVCC = 3.3 V) Full II 32 45 32 45 mA Rise Time2 AVCC Full IV 250 5.0 250 ms POWER CONSUMPTION Full II 1.5 1.75 1.5 1.75 W 1 VREF is provided for setting the common-mode offset of a differential amplifier, such as the AD8138, when a dc-coupled analog input is required. VREF should be buffered if used to drive additional circuit functions. 2 Specified for dc supplies with linear rise time characteristics. Rev. E | Page 3 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PRODUCT HIGHLIGHTS FUNCTIONAL BLOCK DIAGRAM REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS DIGITAL SPECIFICATIONS AC SPECIFICATIONS SWITCHING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE EXPLANATION OF TEST LEVELS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS EQUIVALENT CIRCUITS TERMINOLOGY THEORY OF OPERATION APPLYING THE AD6645 Encoding the AD6645 Driving the Analog Inputs Power Supplies Digital Outputs Grounding LAYOUT INFORMATION JITTER CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE