LTC2755 Linear Technology, LTC2755 Datasheet - Page 4

• Manufacturer Part Number: LTC2755
• Description: Quad Current Output 12-/14-/16-Bit SoftSpan DACs
• Manufacturer: Linear Technology

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SYMBOL
Power Supply
V
I
Digital Inputs
V
V
I
C
Digital Outputs
V
V
LTC2755
ELECTRICAL CHARACTERISTICS
TIMING CHARACTERISTICS
SYMBOL
V
Write and Update Timing
t
t
t
t
t
t
t
t
t
t
t
t
Readback Timing
t
t
t
t
t
specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
4
DD
IN
otherwise specifi cations are at T
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
26
27
DD
IH
IL
IN
OH
OL
DD
= 4.5V to 5.5V
PARAMETER
I/O Valid to WR Rising Edge Set-Up
I/O Valid to WR Rising Edge Hold
WR Pulse Width Low
UPD Pulse Width High
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
A2-A0 Valid to WR Falling Edge Setup Time
WR Rising Edge to A2-A0 Valid Hold Time
A2-A0 Valid to UPD Rising Edge Setup Time
UPD Falling Edge to A2-A0 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
A2-A0 Valid to READ Rising Edge Setup Time
READ Falling to A2-A0 Valid Hold Time
PARAMETER
Supply Voltage
Supply Current, V
Digital Input High Voltage
Digital Input Low Voltage
Digital Input Current
Digital Input Capacitance
I
I
OH
OL
= 200μA
= 200μA
A
DD
= 25°C.
The
CONDITIONS
Digital Inputs = 0V or V
3.3V ≤ V
2.7V ≤ V
4.5V < V
2.7V ≤ V
V
V
2.7V ≤ V
2.7V ≤ V
IN
IN
CONDITIONS
No Data Shoot-Through
(Note 11)
(Note 11)
C
(Note 11)
= GND to V
= 0V (Note 11)
●
L
= 10pF
denotes specifi cations that apply over the full operating temperature range,
V
DD
DD
DD
DD
DD
DD
DD
≤ 5.5V
< 3.3V
≤ 5.5V
≤ 4.5V
≤ 5.5V
≤ 5.5V
= 5V, V
DD
REF
DD
= 5V unless otherwise specifi ed. The
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
V
DD
MIN
MIN
2.7
2.4
A
15
15
20
20
2
– 0.4
7
7
0
0
7
7
5
0
9
7
7
0
= 25°C.
TYP
0.5
TYP
●
denotes the
MAX
MAX
5.5
0.8
0.6
0.4
±1
40
1
6
UNITS
UNITS
2755f
μA
μA
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
V