ADC14DS105KARB/NOPB National Semiconductor, ADC14DS105KARB/NOPB Datasheet - Page 8

• Manufacturer Part Number: ADC14DS105KARB/NOPB
• Description: BOARD EVAL FOR ADC14DS105KARB
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of ADC14DS105KARB/NOPB

• Design Resources: ADC14DS105KARB Ref Design
• Number Of Adc's: 2
• Number Of Bits: 14
• Sampling Rate (per Second): 105M
• Data Interface: Serial
• Inputs Per Adc: 1 Differential
• Power (typ) @ Conditions: 1W @ 105MSPS
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: ADC14DS105
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADC14DS105KARB

8. Capture the data and display the FFT of the
N
Figure 7. ADC14DS105KARB Typical FFT for Input Frequency of 20 MHz and Amplitude of -1dBFS (at ADC input)
into the LMK02000. The three LED’s on the PIC
microcontroller board will flash to indicate that the
register bits have been sent to the LMK02000. At
this point, the board should be ready to capture
digital data.
captured data with the WaveVision software.
shortcut for capturing data and displaying the FFT
Figure 6. ADC14DS105KARB Typical SFDR and SNR Performance vs. Input Frequency
95
90
85
80
75
70
0
5
ADC14DS105KARB Reference Design Board User’s Guide
(Amplitude at the ADC input is -1dBFS)
10
Input Frequency (MHz)
A
- 8 -
15
4.4
Performance
The following plots show the typical (not guarateed)
performance of the ADC14DS105KARB reference
board at a sample rate of 100 MSPS.
plot in WaveVision is to use the “alt-c” key stroke
combination.
ADC14DS105KARB
20
25
SNR ChanA
SFDR ChanA
SNR ChanB
SFDR Chan B
Reference
www.national.com
30
Rev 0.2
Board