Datasheet
TYPICAL CHARACTERISTICS
Amplitude (dB)
Input Frequency (MHz)
0
−
20
−
40
−
60
−
80
−
100
−
120
0
155 10 20
f
IN
= 1MHz
SNR = 71.3dBFS
SINAD = 71.2dBFS
SFDR = 89.6dBc
Amplitude (dB)
Input Frequency (MHz)
0
−
20
−
40
−
60
−
80
−
100
−
120
0
155 10 20
f
IN
= 5MHz (
−
1dBFS)
SNR = 70.4dBFS
SINAD = 70.2dBFS
SFDR = 87.2dBc
Amplitude (dB)
Input Frequency (MHz)
0
−
20
−
40
−
60
−
80
−
100
−
120
0
10 155 20
f
IN
= 10MHz
SNR = 70.8dBFS
SINAD = 70.5dBFS
SFDR = 85.4dBc
Amplitude (dB)
Input Frequency (MHz)
0
−
20
−
40
−
60
−
80
−
100
−
120
0
155 10 20
f
IN
= 20MHz
SNR = 70.5dBFS
SINAD = 70.2dBFS
SFDR = 83.4dBc
DNL (LSB)
Code
1.0
0.8
0.6
0.4
0.2
0
−
0.2
−
0.4
−
0.6
−
0.8
−
1.0
0
1536 2048 2560 3072 3584512 1024 4096
f
IN
= 5MHz
Amplitude (dB)
Input Frequency (MHz)
0
−
20
−
40
−
60
−
80
−
100
−
120
0
155 10 20
F1 = 9.5MHz (
−
7dBFS)
F2 = 10.2MHz (
−
7dBFS)
IMD =
−
85dBFS
ADS5270
SBAS293F – JANUARY 2004 – REVISED JANUARY 2009 ...............................................................................................................................................
www.ti.com
Typical values are at T
A
= +25C, clock frequency = maximum specified, 50% clock duty cycle, AVDD = 3.3V, LVDD = 3.3V,
– 1dBFS, I
SET
= 56.2k Ω , internal voltage reference, and LVDS buffer current at 3.5mA per channel, unless otherwise noted.
SPECTRAL PERFORMANCE SPECTRAL PERFORMANCE
Figure 1. Figure 2.
SPECTRAL PERFORMANCE SPECTRAL PERFORMANCE
Figure 3. Figure 4.
INTERMODULATION DISTORTION DIFFERENTIAL NONLINEARITY
Figure 5. Figure 6.
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