Datasheet

−120
−110
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 20 40 60 80 100
Frequency (MHz)
Amplitude (dB)
SFDR = 92.8dBc
SNR = 66.1dBFS
SINAD = 66.1dBFS
THD = 89.5dBc
−120
−110
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 20 40 60 80 100
Frequency (MHz)
Amplitude (dB)
SFDR = 81.8dBc
SNR = 65.8dBFS
SINAD = 65.7dBFS
THD = 80.6dBc
−120
−110
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 20 40 60 80 100
Frequency (MHz)
Amplitude (dB)
Each Tone at −7dBFS Amplitude
SFDR = 99.83dBFS
f
IN
1 = 185MHz
f
IN
2 = 190MHz
Two-Tone IMD = 86.81dBFS
−120
−110
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 20 40 60 80 100
Frequency (MHz)
Amplitude (dB)
Each Tone at −36dBFS Amplitude
SFDR = 98.38dBFS
f
IN
1 = 185MHz
f
IN
2 = 190MHz
Two-Tone IMD = 96.95dBFS
ADS58B18
ADS58B19
SBAS487D – NOVEMBER 2009– REVISED JANUARY 2011 www.ti.com
TYPICAL CHARACTERISTICS: ADS58B18
At +25°C, AVDD = 1.8V, AVDD_BUF = 3.3V, DRVDD = 1.8V, maximum rated sampling frequency, sine wave input clock,
1.5V
PP
differential clock amplitude, 50% clock duty cycle, –1dBFS differential analog input, DDR LVDS output interface, and
32k-point FFT, unless otherwise noted.
FFT FOR 20MHz INPUT SIGNAL FFT FOR 170MHz INPUT SIGNAL
Figure 14. Figure 15.
FFT FOR TWO-TONE INPUT SIGNAL FFT FOR TWO-TONE INPUT SIGNAL
Figure 16. Figure 17.
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Product Folder Link(s): ADS58B18 ADS58B19