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ADC081000 데이터시트(PDF) 4 Page - Texas Instruments |
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ADC081000 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 41 page 50k VA AGND 11 VA AGND 10 50k Control from DC_Coup VCMO 100 VA AGND 18 VA AGND 19 100 VBIAS 50k 50k GND VA ADC081000 SNAS209G – FEBRUARY 2004 – REVISED MAY 2013 www.ti.com Pin Descriptions and Equivalent Circuits Pin Functions Pin No. Symbol Equivalent Circuit Description Output Voltage Amplitude set. Tie this pin high for normal differential output amplitude. Ground this pin for a reduced 3 OutV differential output amplitude and reduced power consumption. See The LVDS Outputs. Output Edge Select. Sets the edge of the DCLK+ (pin 82) at which the output data transitions. The output transitions with the 4 OutEdge DCLK+ rising edge when this pin is high or on the falling edge when this pin is low. See Output Edge Synchronization. DC Coupling select. When this pin is high, the VIN+ and VIN- analog inputs are d.c. coupled and the input common mode voltage should equal the VCMO (pin 7) output voltage. When this 14 DC_Coup pin is low, the analog input pins are internally biased and the input signal should be a.c. coupled to the analog input pins. See THE ANALOG INPUT. Power Down Pin. A logic high on this pin puts the ADC into the 26 PD Power Down mode. A logic low on this pin allows normal operation. Calibration. A minimum 10 clock cycles low followed by a 30 CAL minimum of 10 clock cycles high on this pin will initiate the self calibration sequence. See Self-Calibration. Full scale Range Select. With a logic low on this pin, the full-scale 35 FSR differential input is 600 mVP-P. With a logic high on this pin, the full-scale differential input is 800 mVP-P. See The Analog Inputs. Calibration Delay. This sets the number of clock cycles after 127 CalDly power up before calibration begins. See Self-Calibration. Clock input pins for the ADC. The differential clock signal must be 18 CLK+ a.c. coupled to these pins. The input signal is sampled on the 19 CLK– falling edge of CLK+. 11 VIN+ Analog Signal Differential Inputs to the ADC. 10 VIN- 4 Submit Documentation Feedback Copyright © 2004–2013, Texas Instruments Incorporated Product Folder Links: ADC081000 |
유사한 부품 번호 - ADC081000_15 |
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유사한 설명 - ADC081000_15 |
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