LTC2246H
4
2246hfb
POWER REQUIREMENTS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
DD
Analog Supply Voltage (Note 9)
l
2.8 3 3.5 V
OV
DD
Output Supply Voltage (Note 9)
l
0.5 3 3.6 V
I
VDD
Supply Current
l
25 30 mA
P
DISS
Power Dissipation
l
75 90 mW
P
SHDN
Shutdown Power SHDN = H, OE = H, No CLK 2 mW
P
NAP
Nap Mode Power SHDN = H, OE = L, No CLK 15 mW
The l denotes the specifi cations which apply over the full operating temperature
range, otherwise specifi cations are at T
A
= 25°C. (Note 8)
TIMING CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
f
S
Sampling Frequency (Note 9)
l
1 25 MHz
t
L
CLK Low Time Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On
(Note 7)
l
l
18.9
5
20
20
500
500
ns
ns
t
H
CLK High Time Duty Cycle Stabilizer Off
Duty Cycle Stabilizer On
(Note 7)
l
l
18.9
5
20
20
500
500
ns
ns
t
AP
Sample-and-Hold Aperture Delay 0ns
t
D
CLK to DATA Delay C
L
= 5pF (Note 7)
l
1.4 2.7 6 ns
Data Access Time After OE↓
C
L
= 5pF (Note 7)
l
4.3 12 ns
BUS Relinquish Time (Note 7)
l
3.3 10 ns
Pipeline Latency 5 Cycles
The l denotes the specifi cations which apply over the full operating temperature
range, otherwise specifi cations are at T
A
= 25°C. (Note 4)
DIGITAL INPUTS AND DIGITAL OUTPUTS
The l denotes the specifi cations which apply over the full
operating temperature range, otherwise specifi cations are at T
A
= 25°C. (Note 4)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
LOGIC OUTPUTS
OV
DD
= 3V
C
OZ
Hi-Z Output Capacitance OE = High (Note 7) 3 pF
I
SOURCE
Output Source Current V
OUT
= 0V 50 mA
I
SINK
Output Sink Current V
OUT
= 3V 50 mA
V
OH
High Level Output Voltage I
O
= –10μA
I
O
= –200μA
l
2.7
2.995
2.99
V
V
V
OL
Low Level Output Voltage I
O
= 10μA
I
O
= 1.6mA
l
0.005
0.09 0.4
V
V
OV
DD
= 2.5V
V
OH
High Level Output Voltage I
O
= –200μA 2.49 V
V
OL
Low Level Output Voltage I
O
= 1.6mA 0.09 V
OV
DD
= 1.8V
V
OH
High Level Output Voltage I
O
= –200μA 1.79 V
V
OL
Low Level Output Voltage I
O
= 1.6mA 0.09 V
