ADS6149 Datasheet, PDF (13/70 Pages) Texas Instruments – 14/12-Bit, 250/210 MSPS ADCs With DDR LVDS and Parallel CMOS Outputs

ADS6149/ADS6129
ADS6148/ADS6128
www.ti.com ..................................................................................................................................................... SLWS211B – JULY 2008 – REVISED OCTOBER 2008
Input
Clock
CLKP
CLKM
Output
Clock
Output
Data Pair
CLKOUTP
CLKOUTM
t_su
Dn_Dn+1_P,
Dn_Dn+1_M
t_h
Dn⁽¹⁾
t_PDI
t_su
t_h
Dn+1⁽²⁾
(1)_{Dn – Bits D0, D2, D4,...}
(2)
Dn+1 – Bits D1, D3, D5, ...
Figure 3. LVDS Mode Timing
T0106-07
Input
Clock
CLKM
CLKP
Output
Clock
CLKOUT
Output
Data
Dn
t_PDI
t_h
t_su
Dn*
Input
Clock
CLKM
CLKP
Output
Data
Dn
t_START
t_DV
Dn*
*Dn – Bits D0, D1, D2, ...
Figure 4. CMOS Mode Timing
T0107-05
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