Datasheet

f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40 50 60
Amplitude − dB
G001
SFDR = 88 dBc
SINAD = 74 dBFS
SNR = 74.3 dBFS
THD = 87.6 dBc
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40 50 60
Amplitude − dB
G002
SFDR = 86 dBc
SINAD = 72.63 dBFS
SNR = 72.76 dBFS
THD = 85 dBc
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40 50 60
Amplitude − dB
G003
SFDR = 77.9 dBc
SINAD = 68 dBFS
SNR = 69.2 dBFS
THD = 75.3 dBc
f − Frequency − MHz
−160
−140
−120
−100
−80
−60
−40
−20
0
0 10 20 30 40 50 60
Amplitude − dB
G004
f
IN
1 = 185.1 MHz, –7 dBFS
f
IN
2 = 190.1 MHz, –7 dBFS
2-Tone IMD = –86 dBFS
SFDR = –95 dBFS
ADS6445, ADS6444
ADS6443, ADS6442
SLAS531B –MAY 2007–REVISED DECEMBER 2009 www.ti.com
TYPICAL CHARACTERISTICS
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)
ADS6445 (F
srated
= 125 MSPS)
FFT for 10 MHz INPUT SIGNAL FFT for 100 MHz INPUT SIGNAL
Figure 6. Figure 7.
FFT for 230 MHz INPUT SIGNAL INTERMODULATION DISTORTION (IMD) vs FREQUENCY
Figure 8. Figure 9.
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Product Folder Link(s): ADS6445, ADS6444 ADS6443, ADS6442