LTC2757 Linear Technology, LTC2757 Datasheet - Page 4

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LTC2757

Manufacturer Part Number
LTC2757
Description
18-Bit SoftSpan IOUT DAC
Manufacturer
Linear Technology
Datasheet

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LTC2757
ELECTRICAL CHARACTERISTICS
SYMBOL
Power Supply
V
I
Digital Inputs
V
V
I
C
Digital Outputs
V
V
TIMING CHARACTERISTICS
apply over the full operating temperature range, otherwise specifi cations are at T
SYMBOL
V
Write and Update Timing
t
t
t
t
t
t
t
t
Readback Timing
t
t
t
t
t
t
t
t
t
t
specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
4
DD
IN
1
2
3
4
5
6
7
8
13
14
15
17
18
19
20
22
23
24
DD
IH
IL
IN
OH
OL
DD
= 4.5V to 5.5V
PARAMETER
Supply Voltage
Supply Current, V
Digital Input High Voltage
Digital Input Low Voltage
Hysteresis Voltage
Digital Input Current
Digital Input Capacitance
I
I
OH
OL
PARAMETER
I/O Valid to WR Rising Edge Set-Up
I/O Valid to WR Rising Edge Hold
WR Pulse Width
UPD Pulse Width
UPD Falling Edge to WR Falling Edge
WR Rising Edge to UPD Rising Edge
D/S Valid to WR Falling Edge Set-Up Time
WR Rising Edge to D/S Valid Hold Time
WR Rising Edge to READ Rising Edge
READ Falling Edge to WR Falling Edge
READ Rising Edge to I/O Propagation Delay
UPD Valid to I/O Propagation Delay
D/S Valid to READ Rising Edge
READ Rising Edge to UPD Rising Edge
UPD Falling Edge to READ Falling Edge
READ Falling Edge to UPD Rising Edge
I/O Bus Hi-Z to READ Rising Edge
READ Falling Edge to I/O Bus Active
= 200μA
= 200μA
DD
CONDITIONS
Digital Inputs = 0V or V
3.3V ≤ V
2.7V ≤ V
4.5V < V
2.7V ≤ V
V
V
IN
IN
= GND to V
= 0V (Note 12)
V
DD
DD
DD
DD
DD
≤ 5.5V
< 3.3V
≤ 5.5V
≤ 4.5V
= 5V, V(R
CONDITIONS
No Data Shoot-Through
(Note 12)
(Note 12)
C
C
(Note 12)
No Update
No Update
(Note 12)
(Note 12)
(Note 12)
L
L
DD
= 10pF
= 10pF
V
DD
= 5V, V(R
IN
DD
) = 5V unless otherwise specifi ed. The
IN
) = 5V unless otherwise specifi ed. The
A
= 25°C.
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
V
DD
MIN
2.7
2.4
2
MIN
– 0.4
A
20
20
20
20
9
9
0
0
9
9
9
9
9
9
9
0
= 25°C.
l
denotes specifi cations that
TYP
0.5
0.1
TYP
www.DataSheet4U.com
l
denotes the
MAX
5.5
0.8
0.6
0.4
±1
MAX
1
6
30
30
UNITS
UNITS
2757f
μA
μA
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
V
V

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