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AD6645ASQZ-1051 Datasheet(PDF) 4 Page - Analog Devices |
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AD6645ASQZ-1051 Datasheet(HTML) 4 Page - Analog Devices |
4 / 24 page AD6645 Rev. D | Page 4 of 24 DIGITAL SPECIFICATIONS AVCC = 5 V, DVCC = 3.3 V; TMIN and TMAX at rated speed grade, unless otherwise noted. Table 2. Test AD6645ASQ-80/AD6645ASV-80 AD6645ASQ-105/AD6645ASV-105 Parameter Temp Level Min Typ Max Min Typ Max Unit ENCODE INPUTS (ENCODE, ENCODE) Differential Input Voltage1 Full IV 0.4 0.4 V p-p Differential Input Resistance 25°C V 10 10 kΩ Differential Input Capacitance 25°C V 2.5 2.5 pF LOGIC OUTPUTS (D13 to D0, DRY, OVR) Logic Compatibility CMOS CMOS Logic 1 Voltage (DVCC = 3.3 V)2 Full II 2.85 DVCC − 2 2.85 DVCC − 2 V Logic 0 Voltage (DVCC = 3.3 V)2 Full II 0.2 0.5 0.2 0.5 V Output Coding Twos complement Twos complement DMID Full V DVCC/2 DVCC/2 V 1 All ac specifications tested by driving ENCODE and ENCODE differentially. 2 Digital output logic levels: DVCC = 3.3 V, CLOAD = 10 pF. Capacitive loads >10 pF degrades performance. AC SPECIFICATIONS All ac specifications tested by driving ENCODE and ENCODE differentially. AVCC = 5 V, DVCC = 3.3 V; ENCODE, ENCODE, TMIN and TMAX at rated speed grade, unless otherwise noted. Table 3. Test AD6645ASQ-80/ AD6645ASV-80 AD6645ASQ-105/ AD6645ASV-105 Parameter Temp Level Min Typ Max Min Typ Max Unit Conditions SNR Analog Input @ −1 dBFS 25°C V 75.0 75.0 dB At 15.5 MHz Full II 72.5 74.5 dB At 30.5 MHz 25°C I 72.5 74.5 dB At 37.7 MHz Full II 72.0 73.5 72.0 73.5 dB At 70.0 MHz 25°C V 73.0 73.0 dB At 150.0 MHz 25°C V 72.0 72.0 dB At 200.0 MHz SINAD Analog Input @ −1 dBFS 25°C V 75.0 75.0 dB At 15.5 MHz Full II 72.5 74.5 dB At 30.5 MHz 25°C I 72.5 74.5 dB At 37.7 MHz Full V 73.0 73.0 dB At 70.0 MHz 25°C V 68.5 67.5 dB At 150.0 MHz 25°C V 62.5 62.5 dB At 200.0 MHz WORST HARMONIC (SECOND OR THIRD) Analog Input @ −1 dBFS 25°C V 93.0 93.1 dBc At 15.5 MHz Full II 85.0 93.0 dBc At 30.5 MHz 25°C I 85.0 93.0 dBc At 37.7 MHz Full V 89.0 87.0 dBc At 70.0 MHz 25°C V 70.0 70.0 dBc At 150.0 MHz 25°C V 63.5 63.5 dBc At 200.0 MHz |
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