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AD7790BRM-REEL Arkusz danych(PDF) 4 Page - Analog Devices |
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AD7790BRM-REEL Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 20 page AD7790 Rev. 0 | Page 4 of 20 SPECIFICATIONS (continued)1 Parameter AD7790B Unit Test Conditions/Comments REFERENCE INPUT (continued) Normal Mode Rejection2 @ 50 Hz, 60 Hz 65 dB min 73 dB typ, 50 ± 1 Hz, 60 ± 1 Hz, FS[2:0] = 1004 @ 50 Hz 80 dB min 90 dB typ, 50 ± 1 Hz, FS[2:0] = 1014 @ 60 Hz 80 dB min 90 dB typ, 60 ± 1 Hz, FS[2:0] = 0114 Common Mode Rejection Input Range = ±2.5 V, AIN = 1 V @ DC 100 dB typ FS[2:0] = 1004 @ 50 Hz, 60 Hz 110 dB typ 50 ± 1 Hz (FS[2:0] = 1014), 60 ± 1 Hz (FS[2:0] = 0114) LOGIC INPUTS All Inputs Except SCLK2 VINL, Input Low Voltage 0.8 V max VDD = 5 V 0.4 V max VDD = 3 V VINH, Input High Voltage 2.0 V min VDD = 3 V or 5 V SCLK Only (Schmitt-Triggered Input)2 VT(+) 1.4/2 V min/V max VDD = 5 V VT(–) 0.8/1.4 V min/V max VDD = 5 V VT(+) – VT(–) 0.3/0.85 V min/V max VDD = 5 V VT(+) 0.9/2 V min/V max VDD = 3 V VT(–) 0.4/1.1 V min/V max VDD = 3 V VT(+) - VT(–) 0.3/0.85 V min/V max VDD = 3 V Input Currents ±1 µA max VIN = VDD or GND Input Capacitance 10 pF typ All Digital Inputs LOGIC OUTPUTS VOH, Output High Voltage2 VDD – 0.6 V min VDD = 3 V, ISOURCE = 100 µA VOL, Output Low Voltage2 0.4 V max VDD = 3 V, ISINK = 100 µA VOH, Output High Voltage2 4 V min VDD = 5 V, ISOURCE = 200 µA VOL, Output Low Voltage2 0.4 V max VDD = 5 V, ISINK = 1.6 mA Floating-State Leakage Current ±1 µA max Floating-State Output Capacitance 10 pF typ Data Output Coding Offset Binary POWER REQUIREMENTS5 Power Supply Voltage VDD – GND 2.5/5.25 V min/max Power Supply Currents IDD Current6 75 µA max 65 µA typ, VDD = 3.6 V, Unbuffered Mode 145 µA max 130 µA typ, VDD = 3.6 V, Buffered Mode 80 µA max 73 µA typ, VDD = 5.25 V, Unbuffered Mode 160 µA max 145 µA typ, VDD = 5.25 V, Buffered Mode IDD (Power-Down Mode) 1 µA max 5 Digital inputs equal to VDD or GND. 6 The current consumption can be further reduced by using the ADC in one of the low power modes (see Table 15). |
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