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AD9084 Folha de dados(PDF) 9 Page - Analog Devices |
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AD9084 Folha de dados(HTML) 9 Page - Analog Devices |
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9 / 50 page ![]() Data Sheet AD9084 SPECIFICATIONS analog.com Rev. 0 | 9 of 50 Table 14. SYSREF Input Electrical Specifications Parameter Test Conditions/Comments Min Typ Max Unit SYSREFP, SYSREF_N, SYSREF_A_P, SYSREF_A_N, SYSREF_B_P, AND SYSREF_B_N INPUTS Logic Compliance LVDS1 Differential Input Voltage 350 mV Input Common-Mode Voltage Range High common mode (input only) 1 1.2 1.4 V Low common mode (bidirectional SYSREF) 0.4 0.5 0.7 V RIN (Differential) SYSREF_N, SYSREF_P, SYSREF_A±, and SYSREF_B± ON 100 Ω SYSREF_N, SYSREF_P, SYSREF_A_P, SYSREF_A_N, SYSREF_B_P, and SYSREF_B_N OFF >30 kΩ Input Capacitance (Differential) 1 pF Input Frequency (fIN) 1 7.68 78.125 MHz 1 LVDS means low voltage differential signaling. Table 15. SYSREF Output Electrical Specifications Parameter Test Conditions/Comments Min Typ Max Unit SYSREFP, SYSREF_N, SYSREF_A_P, SYSREF_A_N, SYSREF_B_P, AND SYSREF_B_N OUTPUTS Logic Compliance LVDS1 Differential Output Voltage 550 mV Output Common-Mode Voltage Range DC-coupled 500 mV Output Frequency (fOUT) 1 7.68 78.125 MHz 1 LVDS means low voltage differential signaling. CMOS PIN SPECIFICATIONS For the minimum and maximum values, TJ = −10°C to +110°C, nominal power supplies, unless otherwise noted. Table 16. CMOS Pin Specifications Parameter Symbol Test Conditions/Comments Min Typ Max Unit INPUTS SPI_SDIO, SPI_CLK, SPI_CSB, RESETB, TRIG_x_B, TRIG_x_A, SYNCINB_Ax_P, SYNCINB_Ax_N, SYNCINB_Bx_P, SYNCINB_Bx_N, and GPIO_x Logic 1 Voltage VIH 0.70 × DVDD1P8 V Logic 0 Voltage VIL 0.3 × DVDD1P8 V Input Resistance >30 kΩ OUTPUTS SPI_SDIO, SPI_SDO, GPIOx, SYNCOUTB_Ax_P, SYN- COUTB_Ax_N, SYNCOUTB_Bx_P, and SYNCOUTB_Bx_N, 4mA load Logic 1 Voltage VOH DVDD1P8 − 0.45 V Logic 0 Voltage VOL 0.45 V |
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