LTC1748 Linear Technology, LTC1748 Datasheet - Page 4

• Manufacturer Part Number: LTC1748
• Description: 14-Bit 80Msps Low Noise ADC
• Manufacturer: Linear Technology

DIGITAL I PUTS A D DIGITAL OUTPUTS
POWER REQUIRE E TS
TI I G CHARACTERISTICS
range, otherwise specifications are at T
SYMBOL
t
t
t
t
t
t
t
t
t
t
t
t
t
LTC1748
range, otherwise specifications are at T
SYMBOL
V
I
P
OV
operating temperature range, otherwise specifications are at T
SYMBOL
V
V
I
C
V
V
I
C
I
I
4
0
1
2
3
4
5
6
7
8
9
10
11
12
DD
IN
OZ
SOURCE
SINK
IH
IL
IN
OH
OL
OZ
DD
DIS
DD
W
U
PARAMETER
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
High Level Output Voltage
Low Level Output Voltage
Hi-Z Output Leakage D13 to D0
Hi-Z Output Capacitance D13 to D0
Output Source Current
Output Sink Current
PARAMETER
ENC Period
ENC High
ENC Low
Aperture Delay
ENC to CLKOUT Falling
ENC to CLKOUT Rising
For 80Msps 50% Duty Cycle
ENC to DATA Delay
ENC to DATA Delay (Hold Time)
ENC to DATA Delay (Setup Time)
For 80Msps 50% Duty Cycle
CLKOUT to DATA Delay (Hold Time),
80Msps 50% Duty Cycle
CLKOUT to DATA Delay (Setup Time),
80Msps 50% Duty Cycle
DATA Access Time After OE
BUS Relinquish
Data Latency
PARAMETER
Positive Supply Voltage
Positive Supply Current
Power Dissipation
Digital Output Supply Voltage
U
W U
U
A
A
= 25 C. (Note 5)
= 25 C. (Note 5)
CONDITIONS
V
V
V
MSBINV and OE Only
OV
OV
V
OE = High (Note 8)
V
V
CONDITIONS
The
DD
DD
IN
OUT
OUT
OUT
CONDITIONS
(Note 9)
(Note 8)
(Note 8)
(Note 8)
C
C
C
C
(Note 8)
C
C
(Note 8)
C
C
(Note 8)
L
L
L
L
L
L
L
L
DD
DD
= 0V to V
= 5.25V, MSBINV and OE
= 4.75V, MSBINV and OE
= 10pF (Note 8)
= 10pF (Note 8)
= 10pF (Note 8)
= 10pF (Note 8)
= 10pF (Note 8)
= 10pF (Note 8)
= 10pF (Note 8)
= 10pF (Note 8)
The
= 0V to V
= 0V
= 5V
= 4.75V
= 4.75V
indicates specifications which apply over the full operating temperature
indicates specifications which apply over the full operating temperature
DD
DD
A
, OE = High
= 25 C. (Note 5)
The
I
I
I
I
O
O
O
O
= –10 A
= – 200 A
= 160 A
= 1.6mA
indicates specifications which apply over the full
MIN
12.5
7.25
4.75
MIN
MIN
1.4
5.3
2.1
2.4
0.5
6
6
1
2
6
4
www.DataSheet4U.com
t
t
1
8.65
0
TYP
4.74
4.74
0.05
TYP
– 50
TYP
280
2.4
4.9
3.4
7.6
1.4
10
10
1.5
0.1
50
0
+ t
– t
5
4
6
10.25
MAX
2000
1000
1000
MAX
10.5
MAX
5.25
1.55
310
V
7.2
4.7
25
25
0.8
0.4
15
4
10
10
DD
UNITS
UNITS
UNITS
cycles
1748fa
mA
mA
mA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
W
V
V
A
V
V
V
V
A
V
V