
ADC12D1800RF
SNAS518I –JULY 2011–REVISED JANUARY 2014
www.ti.com
Converter Electrical Characteristics
Dynamic Converter Characteristics
(1)
(continued)
ADC12D1800RF
Units
Symbol Parameter Conditions
(Limits)
Typ Lim
Non-DES Mode
(1)(2)(3)
ENOB Effective Number of Bits A
IN
= 125 MHz @ -0.5 dBFS 9.3 bits
A
IN
= 248 MHz @ -0.5 dBFS 9.3 bits
A
IN
= 498 MHz @ -0.5 dBFS 9.3 8.4 bits (min)
A
IN
= 1147 MHz @ -0.5 dBFS 8.7 bits
A
IN
= 1448 MHz @ -0.5 dBFS 8.7 bits
SINAD Signal-to-Noise Plus Distortion A
IN
= 125 MHz @ -0.5 dBFS 57.7 dB
Ratio
A
IN
= 248 MHz @ -0.5 dBFS 57.7 dB
A
IN
= 498 MHz @ -0.5 dBFS 57.7 52.1 dB (min)
A
IN
= 1147 MHz @ -0.5 dBFS 54.1 dB
A
IN
= 1448 MHz @ -0.5 dBFS 54 dB
SNR Signal-to-Noise Ratio A
IN
= 125 MHz @ -0.5 dBFS 58.6 dB
A
IN
= 248 MHz @ -0.5 dBFS 58.2 dB
A
IN
= 498 MHz @ -0.5 dBFS 58.1 52.9 dB (min)
A
IN
= 1147 MHz @ -0.5 dBFS 54.9 dB
A
IN
= 1448 MHz @ -0.5 dBFS 54.3 dB
THD Total Harmonic Distortion A
IN
= 125 MHz @ -0.5 dBFS -64.9 dB
A
IN
= 248 MHz @ -0.5 dBFS -65.7 dB
A
IN
= 498 MHz @ -0.5 dBFS -67 -60 dB (max)
A
IN
= 1147 MHz @ -0.5 dBFS -61.5 dB
A
IN
= 1448 MHz @ -0.5 dBFS -64.9 dB
2nd Harm Second Harmonic Distortion A
IN
= 125 MHz @ -0.5 dBFS -68.8 dBc
A
IN
= 248 MHz @ -0.5 dBFS -85.6 dBc
A
IN
= 498 MHz @ -0.5 dBFS -72.5 dBc
A
IN
= 1147 MHz @ -0.5 dBFS -81.2 dBc
A
IN
= 1448 MHz @ -0.5 dBFS -70.4 dBc
3rd Harm Third Harmonic Distortion A
IN
= 125 MHz @ -0.5 dBFS -70.4 dBc
A
IN
= 248 MHz @ -0.5 dBFS -67.5 dBc
A
IN
= 498 MHz @ -0.5 dBFS -69.8 dBc
A
IN
= 1147 MHz @ -0.5 dBFS -70.4 dBc
A
IN
= 1448 MHz @ -0.5 dBFS -73 dBc
SFDR Spurious-Free Dynamic Range A
IN
= 125 MHz @ -0.5 dBFS 68.1 dBc
A
IN
= 248 MHz @ -0.5 dBFS 67 dBc
A
IN
= 498 MHz @ -0.5 dBFS 71.7 54 dBc (min)
A
IN
= 1147 MHz @ -0.5 dBFS 60 dBc
A
IN
= 1448 MHz @ -0.5 dBFS 61 dBc
(1) The Dynamic Specifications are ensured for room to hot ambient temperature only (25°C to 85 ° C). Refer to the plots of the dynamic
performance vs. temperature in Typical Performance Plots to see typical performance from cold to room temperature (-40°C to 25° C).
(2) The Fs/2 spur was removed from all the dynamic performance specifications.
(3) Typical dynamic performance is only tested at Fin = 498 MHz; other input frequencies are specified by design and / or characterization
and are not tested in production.
22 Electrical Specifications Copyright © 2011–2014, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: ADC12D1800RF
Kommentare zu diesen Handbüchern