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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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AD9775EB Folha de dados(PDF) 13 Page - Analog Devices |
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AD9775EB Folha de dados(HTML) 13 Page - Analog Devices |
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13 / 48 page  REV. 0 AD9775 –13– MODE CONTROL (VIA SPI PORT) Table I. Mode Control via SPI Port (Default Values Are Highlighted) Address Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 00h SDIO LSB, MSB First Software Reset on Sleep Mode Power-Down Mode 1R/2R Mode PLL_LOCK Bidirectional 0 = MSB Logic “1” Logic “1” shuts down Logic “1” shuts down DAC output current set Indicator 0 = Input 1 = LSB the DAC output all digital and analog by one or two external 1 = I/O currents. functions. resistors. 0 = 2R, 1 = 1R 01h Filter Filter Modulation Modulation Mode 0 = No Zero Stuffing 1 = Real Mix Mode 0 = e –j DATACLK/ Interpolation Interpolation Mode (None, fS/2, fS/4, fS/8) on Interpolation 0 = Complex 1 = e +j PLL_LOCK Rate Rate (None, fS/2, Filters, Logic “1” Mix Mode Select (1 ×, 2×, 4×, 8×)(1×, 2×, 4×, 8×)f S/4, fS/8) enables zero stuffing. 0 = PLLLOCK 1 = DATACLK 02h 0 = Signed Input 0 = Two Port Mode DATACLK Driver DATACLK Invert ONEPORTCLK Invert IQSEL Invert Q First Data 1 = One Port Mode Strength 0 = No Invert 0 = No Invert 0 = No Invert 0 = I First 1 = Unsigned 1 = Invert 1 = Invert 1 = Invert 1 = Q First 03h PLL Divide PLL Divide (Prescaler) Ratio (Prescaler) Ratio 04h 0 = PLL OFF 0 = Automatic PLL Charge Pump PLL Charge Pump PLL Charge Pump 1 = PLL ON Charge Pump Control Control Control Control 1 = Programmable 05h IDAC Fine Gain IDAC Fine Gain IDAC Fine Gain IDAC Fine Gain IDAC Fine Gain IDAC Fine Gain IDAC Fine Gain IDAC Fine Gain Adjustment Adjustment Adjustment Adjustment Adjustment Adjustment Adjustment Adjustment 06h IDAC Coarse Gain IDAC Coarse Gain IDAC Coarse Gain IDAC Coarse Gain Adjustment Adjustment Adjustment Adjustment 07h IDAC Offset IDAC Offset IDAC Offset IDAC Offset IDAC Offset IDAC Offset IDAC Offset IDAC Offset Adjustment Bit 9 Adjustment Bit 8 Adjustment Bit 7 Adjustment Bit 6 Adjustment Bit 5 Adjustment Bit 4 Adjustment Bit 3 Adjustment Bit 2 08h IDAC IOFFSET IDAC Offset IDAC Offset Direction Adjustment Bit 1 Adjustment Bit 0 0 = IOFFSET on IOUTA 1 = IOFFSET on IOUTB 09h QDAC Fine Gain QDAC Fine Gain QDAC Fine Gain QDAC Fine Gain QDAC Fine Gain QDAC Fine Gain QDAC Fine Gain QDAC Fine Gain Adjustment Adjustment Adjustment Adjustment Adjustment Adjustment Adjustment Adjustment 0Ah QDAC Coarse QDAC Coarse QDAC Coarse QDAC Coarse Gain Adjustment Gain Adjustment Gain Adjustment Gain Adjustment 0Bh QDAC Offset QDAC Offset QDAC Offset QDAC Offset QDAC Offset QDAC Offset QDAC Offset QDAC Offset Adjustment Bit 9 Adjustment Bit 8 Adjustment Bit 7 Adjustment Bit 6 Adjustment Bit 5 Adjustment Bit 4 Adjustment Bit 3 Adjustment Bit 2 0Ch QDAC IOFFSET QDAC Offset QDAC Offset Direction Adjustment Bit 1 Adjustment Bit 0 0 = IOFFSET on IOUTA 1 = IOFFSET on IOUTB 0Dh Version Register Version Register Version Register Version Register |
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