E6435BHFT Semtech Corporation, E6435BHFT Datasheet - Page 38
E6435BHFT
Manufacturer Part Number
E6435BHFT
Description
Per-pin Electronics Companion DAC
Manufacturer
Semtech Corporation
Datasheet
1.E6435BHFT.pdf
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Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
AC Characteristics (continued)
TEST AND MEASUREMENT PRODUCTS
2006 Semtech Corp. / Rev. 3, 8/25/06
DAC_OUT Readback Time is the amount of time required for DAC_OUT to display a valid voltage for a
selected (and fully settled) DAC channel and only includes channel-to-channel switching time.
Measured from CLKIN using edge of update to specified accuracy.
Rank Transition Time is a measurement of the time required to change between Rank A and Rank B
latches and does not include DAC Output Settling time.
DAC Output Enable Time is measured after DACEN is transitioned from 0 to 1 from the rising edge of
the clock signal applied to CLKIN as the time required for the DAC output to change by 10%.
Voltage DAC output disable time is measured from the falling edge of DACEN as the amount of time
required for the DAC output to change from positive full-scale to 0.5V.
Current DAC Output Disable Time is measured from the falling edge of DACEN as the amount of time
required for the DAC output to change by 10%.
Figure 21. Individual DAC Storing and DAC Updating (RESET* high)
CKIN
SDOUT
SDIN
3C
Figure 22. Shift Register Loading Timing Diagram
T SU_SDI
Valid Data
38
T HLD_SDI
TO_SDOUT
A0
CK1
Previous
A0
16C
T SU_SDI
A1
Valid Data
T HLD_SDI
CK24
2C
R2
Edge6435/6436
www.semtech.com
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