Datasheet

f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40
Amplitude − dB
G037
SFDR = 91 dBc
SINAD = 74.2 dBFS
SNR = 74.4 dBFS
THD = 88.5 dBc
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40
Amplitude − dB
G038
SFDR = 85.7 dBc
SINAD = 73 dBFS
SNR = 73.5 dBFS
THD = 83.9 dBc
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40
Amplitude − dB
G039
SFDR = 82 dBc
SINAD = 69.4 dBFS
SNR = 69.7 dBFS
THD = 83.4 dBc
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40
Amplitude − dB
G040
f
IN
1 = 185.1 MHz, –7 dBFS
f
IN
2 = 190.1 MHz, –7 dBFS
2-Tone IMD = –93 dBFS
SFDR = –98 dBFS
ADS6445, ADS6444
ADS6443, ADS6442
SLAS531B –MAY 2007–REVISED DECEMBER 2009 www.ti.com
TYPICAL CHARACTERISTICS (continued)
All plots are at 25°C, AVDD = LVDD = 3.3 V, maximum rated sampling frequency, sine wave input clock, 1.5 V
PP
differential
clock amplitude, 50% clock duty cycle, –1 dBFS differential analog input, internal reference mode, 0 dB gain, 32k point FFT
(unless otherwise noted)
ADS6443 (F
srated
= 80 MSPS)
FFT for 10 MHz INPUT SIGNAL FFT for 70 MHz INPUT SIGNAL
Figure 42. Figure 43.
FFT for 230 MHz INPUT SIGNAL INTERMODULATION DISTORTION (IMD) vs FREQUENCY
Figure 44. Figure 45.
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Product Folder Link(s): ADS6445, ADS6444 ADS6443, ADS6442