Datasheet

ADS6445, ADS6444
ADS6443, ADS6442
www.ti.com SLAS531B –MAY 2007–REVISED DECEMBER 2009
Table 23. Power Down Modes Summary
AVDD POWER LVDD POWER
POWER DOWN MODE WAKE UP TIME
(mW) (mW)
In power-up 1360 297 –
Global power down 65 12 100 μs
1 Channel in standby 1115
(1)
297
(1)
200 Clocks
2 Channels in standby 825
(1)
297
(1)
200 Clocks
3 Channels in standby 532
(1)
297
(1)
200 Clocks
4 Channels in standby 245
(1)
297
(1)
200 Clocks
Input clock stop 200 35 100 μs
(1) Sampling frequency = 125 MSPS.
POWER SUPPLY SEQUENCING
During power-up, the AVDD and LVDD supplies can come up in any sequence. The two supplies are separated
inside the device. Externally, they can be driven from separate supplies or from a single supply.
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