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AD7265 Fiches technique(PDF) 5 Page - Analog Devices |
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AD7265 Fiches technique(HTML) 5 Page - Analog Devices |
5 / 29 page AD7265 Rev. A | Page 4 of 28 Parameter Specification Unit Test Conditions/Comments DC Leakage Current ±1 μA max Input Capacitance 45 pF typ When in track 10 pF typ When in hold REFERENCE INPUT/OUTPUT Reference Output Voltage8 2.5 V min/V max ±0.2% max @ 25°C Long-Term Stability 150 ppm typ For 1000 hours Output Voltage Hysteresis2 50 ppm typ Reference Input Voltage Range 0.1/VDD V min/V max See Typical Performance Characteristics section DC Leakage Current ±2 μA max External reference applied to Pin DCAPA/Pin DCAPB Input Capacitance 25 pF typ DCAPA, DCAPB Output Impedance 10 Ω typ Reference Temperature Coefficient 20 ppm/°C max 10 ppm/°C typ VREF Noise 20 μV rms typ LOGIC INPUTS Input High Voltage, VINH 2.8 V min Input Low Voltage, VINL 0.4 V max Input Current, IIN ±15 nA typ VIN = 0 V or VDRIVE Input Capacitance, CIN3 5 pF typ LOGIC OUTPUTS Output High Voltage, VOH VDRIVE − 0.2 V min Output Low Voltage, VOL 0.4 V max Floating State Leakage Current ±1 μA max Floating State Output Capacitance3 7 pF typ Output Coding Straight (natural) binary SGL/DIFF = 1 with 0 V to VREF range selected Twos complement SGL/DIFF = 0; SGL/DIFF = 1 with 0 V to 2 × VREF range CONVERSION RATE Conversion Time 14 SCLK cycles 875 ns with SCLK = 16 MHz Track-and-Hold Acquisition Time3 90 ns max Full-scale step input; VDD = 5 V 110 ns max Full-scale step input; VDD = 3 V Throughput Rate 1 MSPS max POWER REQUIREMENTS VDD 2.7/5.25 V min/V max VDRIVE 2.7/5.25 V min/V max IDD Digital I/Ps = 0 V or VDRIVE Normal Mode (Static) 2.3 mA max VDD = 5.25 V Operational, fS = 1 MSPS 4 mA max VDD = 5.25 V; 3.5 mA typ fS = 1 MSPS 3.2 mA max VDD = 3.6 V; 2.7 mA typ Partial Power-Down Mode 500 μA max Static Full Power-Down Mode (VDD) 1 μA max TA = −40°C to +85°C 2.8 μA max TA > 85°C to 125°C Power Dissipation Normal Mode (Operational) 21 mW max VDD = 5.25 V Partial Power-Down (Static) 2.625 mW max VDD = 5.25 V Full Power-Down (Static) 5.25 μW max VDD = 5.25 V, TA = −40°C to +85°C 1 Temperature range is −40°C to +125°C. 2 See Terminology section. 3 Sample tested during initial release to ensure compliance. 4 Guaranteed no missed codes to 12 bits. 5 VIN− or VIN+ must remain within GND/VDD. 6 VIN− = 0 V for specified performance. For full input range on VIN− pin, see Figure 28 and Figure 29. 7 For full common-mode range, see Figure 24 and Figure 25. 8 Relates to Pin DCAPA or Pin DCAPB. |
Numéro de pièce similaire - AD7265_15 |
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Description similaire - AD7265_15 |
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