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ADAQ7988BCCZ-RL7 Arkusz danych(PDF) 8 Page - Analog Devices |
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ADAQ7988BCCZ-RL7 Arkusz danych(HTML) 8 Page - Analog Devices |
8 / 49 page ADAQ7980/ADAQ7988 Data Sheet Rev. 0 | Page 8 of 49 VDD = V+ = 5.0 V, V− = 0 V, VIO = 1.7 V to 5.5 V, VREF = 3.3 V, TA = −55°C to +125°C, the ADC driver in a unity-gain buffer configuration, and fSAMPLE = 1 MSPS (ADAQ7980) and fSAMPLE = 500 kSPS (ADAQ7988), unless otherwise noted. Table 5. Parameter Test Conditions/Comments Min Typ Max Unit REFERENCE Input Voltage Range Voltage at REF pin 2.4 V+ − 1.3 V Load Current REFOUT 330 µA Buffer Input Resistance REF 50 MΩ Capacitance REF 1 pF Bias Current 470 720 nA Offset Voltage TA = 25°C 9 125 µV Offset Voltage Drift 0.2 1.5 µV/°C Voltage Noise fIN = 100kHz 5.9 nV/√Hz Voltage Noise 1/f Corner Frequency 8 Hz Current Noise fIN = 100kHz 0.6 pA/√Hz 0.1 Hz to 10 Hz Voltage Noise 54 nV rms Linear Output Current REFOUT ±40 mA Short-Circuit Current REFOUT sinking/sourcing 73/63 mA ADC DRIVER CHARACTERISTICS Specified Voltage Range IN+, IN−, AMP_OUT 0.15 VREF V Absolute Input Voltage IN+, IN−, AMP_OUT −0.1 V+ − 1.3 V ADCN −0.1 +0.1 V −3 dB Bandwidth G = +1, VAMP_OUT = 0.02 V p-p 31 MHz G = +1, VAMP_OUT = 2 V p-p 30 MHz Bandwidth for 0.1 dB Flatness G = +1, VAMP_OUT = 0.1 V p-p 4 MHz Slew Rate G = +1, VAMP_OUT = 2 V step 31 V/µs G = +1, VAMP_OUT = 3.15 V step 20 V/µs Input Voltage Noise f = 100 kHz 5.9 nV/√Hz 1/f Corner Frequency 8 Hz 0.1 Hz to 10 Hz Voltage Noise 54 nV rms Input Current Noise f = 100 kHz 0.6 pA/√Hz Bias IN+, IN− 470 720 nA Offset 0.4 nA Input Offset Voltage TA = 25°C 9 125 µV Open-Loop Gain 109 dB Input Resistance IN+, IN− Common Mode 50 MΩ Differential Mode 260 kΩ Input Capacitance IN+, IN− 1 pF Input Common-Mode Voltage Range Specified performance −0.1 V+ − 1.3 V Output Overdrive Recovery Time VIN+ = 10% overdrive, fIN = 10 kHz 800 ns Linear Output Current ±40 mA Short-Circuit Current Sinking/sourcing 73/63 mA DIGITAL INPUTS Logic Levels Input Voltage Low (VIL) VIO > 3.0 V −0.3 +0.3 × VIO V VIO ≤ 3.0 V −0.3 +0.1 × VIO V High (VIH) VIO > 3.0 V 0.7 × VIO VIO + 0.3 V VIO ≤ 3.0 V 0.9 × VIO VIO + 0.3 V |
Podobny numer części - ADAQ7988BCCZ-RL7 |
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Podobny opis - ADAQ7988BCCZ-RL7 |
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