Datasheet

4
LTC1609
1609fa
LTC1609/LTC1609A
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage V
DD
= 5.25V ● 2.4 V
V
IL
Low Level Input Voltage V
DD
= 4.75V ● 0.8 V
I
IN
Digital Input Current V
IN
= 0V to V
DD
● ±10 µA
C
IN
Digital Input Capacitance 5pF
V
OH
High Level Output Voltage V
DD
= 4.75V I
O
= –10µA 4.5 V
I
O
= –200µA ● 4.0 V
V
OL
Low Level Output Voltage V
DD
= 4.75V I
O
= 160µA 0.05 V
I
O
= 1.6mA ● 0.10 0.4 V
I
SOURCE
Output Source Current V
OUT
= 0V –10 mA
I
SINK
Output Sink Current V
OUT
= V
DD
10 mA
The ● indicates specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)
DIGITAL I PUTS A D DIGITAL OUTPUTS
UU
LTC1609/LTC1609A
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
t
1
Convert Pulse Width (Note 11) ● 40 ns
t
2
R/C, CS to BUSY Delay C
L
= 25pF ● 80 ns
t
3
BUSY Low Time ● 3 µs
t
4
BUSY Delay After End of Conversion 100 ns
t
5
Aperture Delay 5ns
t
6
Conversion Time ● 3 µs
t
7
Acquisition Time ● 2 µs
t
6
+ t
7
Throughput Time ● 5 µs
t
8
R/C Low to DATACLK Delay 260 ns
t
9
DATACLK Period 150 ns
t
10
DATA Valid Setup Time ● 15 ns
t
11
DATA Valid Hold Time ● 40 ns
t
12
External DATACLK Period ● 50 ns
t
13
External DATACLK High ● 20 ns
t
14
External DATACLK Low ● 20 ns
t
15
R/C, CS to External DATACLK Setup Time ● 15 t
12
ns
t
16
R/C to CS Setup Time ● 10 ns
t
17
External DATACLK to SYNC Delay ● 650ns
t
18
External DATACLK to DATA Valid Delay ● 10 50 ns
t
19
CS to External DATACLK Rising Edge Delay ● 10 ns
t
20
Previous DATA Valid After CS, R/C Low (Note 9) ● 2.2 µs
t
21
BUSY to External DATACLK Setup Time (Note 9) ● 5ns
t
22
BUSY Falling Edge to Final External DATACLK (Notes 10, 17) ● 1.2 µs
t
23
TAG Valid Setup Time ● 0ns
t
24
TAG Valid Hold Time ● 15 ns
The ● indicates specifications which apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. (Note 5)
TI I G CHARACTERISTICS
UW