Datasheet AD7689-KGD (Analog Devices) - 5

制造商Analog Devices
描述16-Bit, 8-Channel,250 kSPS PulSAR ADC
页数 / 页10 / 5 — Known Good Die. AD7689-KGD. Table 2. Parameter. Test Conditions/Comments. …
修订版C
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Known Good Die. AD7689-KGD. Table 2. Parameter. Test Conditions/Comments. Min. Typ. Max. Unit

Known Good Die AD7689-KGD Table 2 Parameter Test Conditions/Comments Min Typ Max Unit

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Known Good Die AD7689-KGD
VDD = 2.3 V to 5.5 V, VIO = 1.8 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 2. Parameter Test Conditions/Comments Min Typ Max Unit
INTERNAL REFERENCE REF Output Voltage 2.5 V at 25°C 2.490 2.500 2.510 V 4.096 V at 25°C 4.086 4.096 4.106 V REFIN Output Voltage1 2.5 V at 25°C 1.2 V 4.096 V at 25°C 2.3 V REF Output Current ±300 µA Temperature Drift ±10 ppm/°C Line Regulation VDD = 5 V ± 5% ±15 ppm/V Long-Term Drift 1000 hours 50 ppm Turn-On Settling Time Reference capacitance (CREF) = 10 µF 5 ms EXTERNAL REFERENCE Voltage Range REF input 0.5 VDD + 0.3 V REFIN input (buffered) 0.5 VDD − 0.5 V Current Drain2 250 kSPS, REF = 5 V 50 µA TEMPERATURE SENSOR Output Voltage3 25°C 283 mV Temperature Sensitivity 1 mV/°C DIGITAL INPUTS Logic Levels Input Voltage Low, VIL −0.3 +0.3 × VIO V High, VIH 0.7 × VIO VIO + 0.3 V Input Current Low, IIL −1 +1 µA High, IIH −1 +1 µA DIGITAL OUTPUTS Data Format4 Pipeline Delay5 Output Voltage Low, VOL Sink current (ISINK) = 500 µA 0.4 V High, VOH Source current (ISOURCE) = −500 µA VIO − 0.3 V POWER SUPPLIES VDD6 Specified performance 2.3 5.5 V VIO Specified performance 1.8 VDD + 0.3 V Standby Current7, 8 VDD and VIO = 5 V at 25°C 50 nA Power Dissipation VDD = 2.5 V, 100 SPS throughput 1.7 µW VDD = 2.5 V, 200 kSPS throughput 3.5 mW VDD = 5 V, 250 kSPS throughput 12.5 18 mW VDD = 5 V, 250 kSPS throughput with internal reference 15.5 21 mW Energy per Conversion VDD = 5 V 60 nJ TEMPERATURE RANGE9 Specified Performance TMIN to TMAX −40 +85 °C 1 This is the output from the internal band gap. 2 This is an average current and scales with throughput. 3 The output voltage is internal and present on a dedicated multiplexer input. 4 Unipolar mode is serial 16-bit straight binary. Bipolar mode is serial 16-bit twos complement. 5 Conversion results available immediately after completed conversion. 6 The minimum VDD supply must be 3 V when the 2.5 V internal reference is enabled, and 4.5 V when the 4.096 V internal reference is enabled. 7 With all digital inputs forced to VIO or GND as required. 8 During acquisition phase. 9 Contact an Analog Devices, Inc., sales representative for the extended temperature range. Rev. C | Page 5 of 10 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS OUTLINE DIMENSIONS DIE SPECIFICATIONS AND ASSEMBLY RECOMMENDATIONS ORDERING GUIDE