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| ADS58C28 Datasheet, PDF (8/67 Pages) Texas Instruments – Dual Channel IF Receiver with SNRBoost3G | |||
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ADS58C28
SBAS509B â JUNE 2010 â REVISED OCTOBER 2010
Table 2. SNR Enhancement with SNRBoost3G Enabled(1)
BANDWIDTH
(MHz)
SNR WITHIN SPECIFIED BANDWIDTH (dBFS)
IN DEFAULT MODE
(SNRBoost3G Disabled)
WITH SNRBoost3G ENABLED(2)(3)
MIN
TYP
MAX
MIN
TYP
MAX
60
68.3
69.7
72.5
40
70
71.8
74
30
71.1
72.8
74.7
20
72.5
74.4
76
(1) SNRBoost3G bathtub centered at (3/4) Ã fS, â2dBFS input applied at fIN = 140MHz, sampling
frequency = 200MSPS.
(2) Using suitable filters. See note on SNRBoost3G in the SNR Enhancement Using SNRBoost section.
(3) Specified by characterization.
CHAn_P
CHBn_P
CHAn_M
CHBn_M
Logic 0
VODL = -350mV(1)
Logic 1
VODH = +350mV(1)
VOCM
GND
(1) With external 100Ω termination.
Figure 1. LVDS Voltage Levels
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