ADC16DV160CILQ/NOPB National Semiconductor, ADC16DV160CILQ/NOPB Datasheet - Page 18

• Manufacturer Part Number: ADC16DV160CILQ/NOPB
• Description: ADC 16BIT DUAL 160MSPS 68LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of ADC16DV160CILQ/NOPB

• Number Of Bits: 16
• Sampling Rate (per Second): 160M
• Data Interface: Serial, SPI™
• Number Of Converters: 2
• Power Dissipation (max): 1.47W
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 68-VFQFN, Exposed Pad
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Peak Reflow Compatible (260 C): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADC16DV160CILQ

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The S11 of the input circuit of the ADC16DV160 is shown in
Figure
ing with small stray resistance and inductance as shown in
Figure
frequency band has to be added to improve signal integrity.
Any shunt capacitor on the analog input pin deteriorates sig-
8. An appropriate resistive termination at a given input
8. Up to 500 MHz, it is predominantly capacitive load-
FIGURE 7. Input Equivalent Circuit
FIGURE 8. ADC16DV160 Input S11
18
nal integrity but it provides high frequency charge to absorb
the charge injected by the sampling switches. An optimal
shunt capacitor is dependent on input signal frequency as well
as the impedance characteristic of the analog input signal
path including components like transformers, termination re-
sistors, and AC coupling capacitors.
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