LTC2634
7
2634fb
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 2.7V to 5.5V, V
OUT
unloaded unless otherwise specifi ed.
LTC2634-LMI12/-LMI10/-LMI8/-LMX12/-LMX10/-LMX8/-LZ12/-LZ10/-LZ8 (V
FS
= 2.5V)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
t
1
SDI Valid to SCK Setup
l
4ns
t
2
SDI Valid to SCK Hold
l
4ns
t
3
SCK High Time
l
9ns
t
4
SCK Low Time
l
9ns
t
5
CS/LD Pulse Width
l
10 ns
t
6
LSB SCK High to CS/LD High
l
7ns
t
7
CS/LD Low to SCK High
l
7ns
t
8
CLR Pulse Width
l
20 ns
t
9
LDAC Pulse Width
l
15 ns
t
10
CS/LD High to SCK Positive Edge
l
7ns
SCK Frequency 50% Duty Cycle
l
50 MHz
t
11
CS/LD High to LDAC High or Low Transition
l
200 ns
t
12
SDO Propagation Delay from SCK Falling Edge C
LOAD
= 10pF
V
CC
= 4.5V to 5.5V
V
CC
= 2.7V to 5.5V
l
l
20
45
ns
ns
