Datasheet

ADS850
SBAS154C
6
www.ti.com
TYPICAL CHARACTERISTICS
At T
A
= full specified temperature range, V
S
= +5V, specified input range = 1.5V to 3.5V, differential internal reference input and sampling rate = 10MSPS after calibration,
V
REF
= 2V, –1dB input, unless otherwise specified.
SPECTRAL PERFORMANCE
(4Vp-p, Differential, f
IN
= 4.8MHz)
Amplitude (dB)
0
–10
–30
–50
–70
–90
–110
–130
010.5 21.5 32.5 43.5
Frequency (MHz)
54.5
SFDR = 89dBFS
SNR = 76dBFS
SPECTRAL PERFORMANCE
(2Vp-p, Differential, f
IN
= 4.8MHz)
Amplitude (dB)
0
–10
–30
–50
–70
–90
–110
–130
0120.5 1.5 2.5 3.534.54
Frequency (MHz)
5
SFDR = 88dBFS
SNR = 73dBFS
SPECTRAL PERFORMANCE
(2Vp-p, Single-Ended, f
IN
= 4.8MHz)
Amplitude (dB)
0
–10
–30
–50
–70
–90
–110
–130
010.5 21.5 3 3.52.5 4 4.5
Frequency (MHz)
5
SFDR = 85dBFS
SNR = 73dBFS
SPECTRAL PERFORMANCE
(4Vp-p, Differential, f
IN
= 1MHz)
Amplitude (dB)
0
–10
–30
–50
–70
–90
–110
–130
0120.5 1.5 2.5 3.53 4.54
Frequency (MHz)
5
SFDR = 82dBFS
SNR = 76dBFS
SPECTRAL PERFORMANCE
(2Vp-p, Single-Ended, f
IN
= 1MHz)
Amplitude (dB)
0
–10
–30
–50
–70
–90
–110
–130
0120.5 1.5 2.5 3.53 4.54
Frequency (MHz)
5
SFDR = 87dBFS
SNR = 73dBFS
UNDERSAMPLING
(Differential, 4Vp-p)
Amplitude (dBFS)
0
–20
–40
–60
–80
–100
–120
–140
0 0.4 0.80.2 0.6 1 1.41.2
Frequency (MHz)
1.6
f
S
= 3.2MHz
f
IN
= 10MHz
SFDR = 87dBFS
SNR = 73dBFS