Datasheet

−120
−110
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 20 40 60 80 100
Frequency (MHz)
Amplitude (dB)
A
IN
= −1dBFS
SFDR = 89.5dBc
SNR = 72.2dBFS
SINAD = 72dBFS
THD = 85.9dBc
Coeff1 = 0xd
Coeff2 = 0x3
BW = 35MHz to 65MHz
−120
−110
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 20 40 60 80 100
Frequency (MHz)
Amplitude (dB)
A
IN
= −40dBFS
SFDR = 57.3dBc
SNR = 75.6dBFS
SINAD = 75.6dBFS
THD = 55.2dBc
Coeff1 = 0xd
Coeff2 = 0x3
BW = 35MHz to 65MHz
55
60
65
70
75
80
85
90
95
0 50 100 150 200 250 300 350 400 450 500
Input Frequency (MHz)
SFDR (dBc)
63
64
65
66
67
0 50 100 150 200 250 300 350 400 450 500
Input Frequency (MHz)
SNR (dBFS)
ADS58B18
ADS58B19
SBAS487D – NOVEMBER 2009– REVISED JANUARY 2011 www.ti.com
TYPICAL CHARACTERISTICS: ADS58B18 (continued)
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 150MHz INPUT SIGNAL FFT FOR 150MHz INPUT SIGNAL
(SNRBoost Enabled, 30MHz Bandwidth) (SNRBoost Enabled, 30MHz Bandwidth)
Figure 22. Figure 23.
SFDR ACROSS INPUT FREQUENCY SNR ACROSS INPUT FREQUENCY
Figure 24. Figure 25.
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Product Folder Link(s): ADS58B18 ADS58B19