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ADMC401BST Datasheet(PDF) 3 Page - Analog Devices |
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ADMC401BST Datasheet(HTML) 3 Page - Analog Devices |
3 / 60 page ANALOG-TO-DIGITAL CONVERTER Parameter Test Conditions Min Typ Max Unit AC SPECIFICATIONS SNR Signal to Noise Ratio fIN = 1.0 kHz 68 70 dB SNRD Signal to Noise and Distortion fIN = 1.0 kHz 66 69 dB THD Total Harmonic Distortion fIN = 1.0 kHz –76 –70 dB CTLK Channel-Channel Crosstalk fIN = 1.0 kHz –89 –72 dB CMRR Common-Mode Rejection Ratio –90 –72 dB PSRR Power Supply Rejection Ratio 0.025 0.1 % FSR ACCURACY INL Integral Nonlinearity ±0.6 ±1.5 LSB DNL Differential Nonlinearity ±0.5 ±1.0 LSB No Missing Codes 12 Bits Guaranteed Zero Error 0.1 0.25 % FSR Gain Error 1 0.4 1.0 % FSR TEMPERATURE DRIFT Zero Error 0.025 % FSR Gain Error 1 0.025 % FSR INPUT VOLTAGE VIN Voltage Span 4.0 V p-p CIN Input Capacitance2 10 pF CONVERSION TIME tCONV Total Conversion Time All 8 Channels 1.88 µs NOTES 1Excludes Internal Voltage Reference Error. 2Analog Input Pins VIN0 to VIN7. Typical values are neither tested nor guaranteed. Specifications subject to change without notice. VOLTAGE REFERENCE Parameter Test Conditions Min Typ Max Unit VREF Output Voltage Reference SENSE = REFCOM 1.96 2.0 2.04 V Output Voltage Tolerance1 SENSE = REFCOM 6 mV Output Current 1.0 mA Load Regulation 1.0 mA Load Current 0.3 1.5 mV Power Supply Rejection Ratio 0.1 1.5 mV Reference Input Resistance 8 k Ω NOTES 1Relative tolerance due to temperature change, T MIN to TMAX. Specifications subject to change without notice. POWER-ON RESET Parameter Test Conditions Min Typ Max Unit VRST Reset Threshold Voltage 3.25 4.0 V VHYST Hysteresis Voltage 75 mV Specifications subject to change without notice. (VDD = AVDD = 5 V 5%, GND = AGND = 0 V, TAMB = –40 C to +85 C, CLKIN = 13 MHz, VIN0 to VIN7 = 4.0 V p-p, VREF = 2.0 V, unless otherwise noted) (VDD = AVDD = 5 V 5%, GND = AGND = 0 V, TAMB = –40 C to +85 C, CLKIN = 13 MHz, VIN0 to VIN7 = 4.0 V p-p, VREF = 2.0 V, unless otherwise noted) (GND = AGND = 0 V, TAMB = –40 C to +85 C, CLKIN = 13 MHz, unless otherwise noted) ADMC401 –3– REV. B |
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