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AD9234 Datasheet(PDF) 8 Page - Analog Devices |
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AD9234 Datasheet(HTML) 8 Page - Analog Devices |
8 / 66 page AD9234 Data Sheet DIGITAL SPECIFICATIONS AVDD1 = 1.25 V, AVDD2 = 2.5 V, AVDD3 = 3.3 V, AVDD1_SR = 1.25 V, DVDD = 1.25 V, DRVDD = 1.25 V, SPIVDD = 1.8 V, specified maximum sampling rate, AIN = −1.0 dBFS, default SPI settings, TA = 25°C, unless otherwise noted. Table 3. Parameter Temperature Min Typ Max Unit CLOCK INPUTS (CLK+, CLK−) Logic Compliance Full LVDS/LVPECL Differential Input Voltage Full 600 1200 1800 mV p-p Input Common-Mode Voltage Full 0.85 V Input Resistance (Differential) Full 35 kΩ Input Capacitance Full 2.5 pF SYSTEM REFERENCE INPUTS (SYSREF+, SYSREF−) Logic Compliance Full LVDS/LVPECL Differential Input Voltage Full 400 1200 1800 mV p-p Input Common-Mode Voltage Full 0.6 0.85 2.0 V Input Resistance (Differential) Full 35 kΩ Input Capacitance (Differential) Full 2.5 pF LOGIC INPUTS (SDIO, SCLK, CSB, PDWN/STBY) Logic Compliance Full CMOS Logic 1 Voltage Full 0.8 × SPIVDD V Logic 0 Voltage Full 0 0.5 V Input Resistance Full 30 kΩ LOGIC OUTPUT (SDIO) Logic Compliance Full CMOS Logic 1 Voltage (IOH = 800 µA) Full 0.8 × SPIVDD V Logic 0 Voltage (IOL = 50 µA) Full 0 0.5 V SYNC INPUTS (SYNCINB+, SYNCINB−) Logic Compliance Full LVDS/LVPECL/CMOS Differential Input Voltage Full 400 1200 1800 mV p-p Input Common-Mode Voltage Full 0.6 0.85 2.0 V Input Resistance (Differential) Full 35 kΩ Input Capacitance Full 2.5 pF LOGIC OUTPUTS (FD_A, FD_B) Logic Compliance Full CMOS Logic 1 Voltage Full 0.8 × SPIVDD V Logic 0 Voltage Full 0 0.5 V Input Resistance Full 30 kΩ DIGITAL OUTPUTS (SERDOUTx±, x = 0 TO 3) Logic Compliance Full CML Differential Output Voltage Full 360 770 mV p-p Output Common-Mode Voltage (VCM) AC-Coupled 25°C 0 1.8 V Short-Circuit Current (IDshort) 25°C −100 +100 mA Differential Return Loss (RLDIFF)1 25°C 8 dB Common-Mode Return Loss (RLCM)1 25°C 6 dB Differential Termination Impedance Full 80 100 120 Ω 1 Differential and common-mode return loss is measured from 100 MHz to 0.75 MHz × baud rate. Rev. A | Page 8 of 66 |
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