Linear Technology DC1112A - LTC2755: 16-bit, Quad, SoftSpan, 1LSB INL Iout DAC, req. DC590 DC1112A DC1112A Fiche De Données
Codes de produits
DC1112A
LTC2755
4
2755f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply
V
DD
Supply Voltage
●
2.7
5.5
V
I
DD
Supply Current, V
DD
Digital Inputs = 0V or V
DD
●
0.5
1
μA
Digital Inputs
V
IH
Digital Input High Voltage
3.3V ≤ V
DD
≤ 5.5V
2.7V ≤ V
DD
< 3.3V
●
●
●
2.4
2
V
V
V
V
IL
Digital Input Low Voltage
4.5V < V
DD
≤ 5.5V
2.7V ≤ V
DD
≤ 4.5V
●
●
●
0.8
0.6
0.6
V
V
V
I
IN
Digital Input Current
V
IN
= GND to V
DD
●
±1
μA
C
IN
Digital Input Capacitance
V
IN
= 0V (Note 11)
●
6
pF
Digital Outputs
V
OH
I
OH
= 200μA
2.7V ≤ V
DD
≤ 5.5V
●
V
DD
– 0.4
V
V
OL
I
OL
= 200μA
2.7V ≤ V
DD
≤ 5.5V
●
0.4
V
TIMING CHARACTERISTICS
The
●
denotes specifi cations that apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
DD
= 4.5V to 5.5V
Write and Update Timing
t
1
I/O Valid to WR Rising Edge Set-Up
●
7
ns
t
2
I/O Valid to WR Rising Edge Hold
●
7
ns
t
3
WR Pulse Width Low
●
15
ns
t
4
UPD Pulse Width High
●
15
ns
t
5
UPD Falling Edge to WR Falling Edge
No Data Shoot-Through
●
0
ns
t
6
WR Rising Edge to UPD Rising Edge
(Note 11)
●
0
ns
t
7
D/S Valid to WR Falling Edge Set-Up Time
●
7
ns
t
8
WR Rising Edge to D/S Valid Hold Time
●
7
ns
t
9
A2-A0 Valid to WR Falling Edge Setup Time
●
5
ns
t
10
WR Rising Edge to A2-A0 Valid Hold Time
●
0
ns
t
11
A2-A0 Valid to UPD Rising Edge Setup Time
●
9
ns
t
12
UPD Falling Edge to A2-A0 Valid Hold Time
●
7
ns
Readback Timing
t
13
WR Rising Edge to READ Rising Edge
●
7
ns
t
14
READ Falling Edge to WR Falling Edge
(Note 11)
●
20
ns
t
15
READ Rising Edge to I/O Propagation Delay
C
L
= 10pF
●
40
ns
t
26
A2-A0 Valid to READ Rising Edge Setup Time
●
20
ns
t
27
READ Falling to A2-A0 Valid Hold Time
(Note 11)
●
0
ns
ELECTRICAL CHARACTERISTICS
V
DD
= 5V, V
REF
= 5V unless otherwise specifi ed. The
●
denotes the
specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
A
= 25°C.