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8/25/2019 | Page 1 of 1
Part Number ADSD-1420S-EX, Sampling A/D Converters
The ADSD-1420S is a functionally complete, dual 14 bit, 20MSPS, sampling A/D converter. Is standard, 40
pin triple-wide SMT package contain two fast settling sample/hold amplifiers, two 14 bit A/D converters,
multiplexed output buffers, a precision reference, and all the timing and control logic necessary to operate
from either two or a singlr start convert pulse. The ADSD-1420S is optimized for wideband frequency-domain
applications and is fully FFT tested. The ADSD-1420S required only +/-5V supplies and typically consumed
1.6 watts. The digital output is capable of driving 5V or 3V logic systems. -55°C to +125°C operating
temperature range.
Specifications
Resolution
14 Bit
Number of Channels
Sampling Rate
Power Consumption
2
20 MHz
1.6 W
Differential Non-Linearity Error/Other
Integral Non-Linearity Error/Other
Package Type
1.75 LSB
2.0 LSB
SMT
Input Range 1st (min)
Input Range 1st (max)
Required Supply Voltage 1st
-2.5 V
2.5 V
5V
Required Supply Voltage 2nd
Total Harmonic Distortion
Signal to Noise Ratio
-5 V
-80 dB
75 dB
Analog Bandwidth
Operating Temp. Range (min)
Operating Temp. Range (max)
25 MHz
-55 ºC
+125 ºC
RoHS
Status
No
Recommended for new design
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