Datasheet

2
LTC1286/LTC1298
1298
1298I
ORDER PART
NUMBER
LTC1286CN8
LTC1286IN8
T
JMAX
= 150°C, θ
JA
= 130°C/W
T
JMAX
= 150°C, θ
JA
= 175°C/W
ORDER PART
NUMBER
PACKAGE/ORDER INFORMATION
W
UU
ABSOLUTE MAXIMUM RATINGS
W
WW
(Notes 1 and 2)
Power Dissipation..............................................500mW
Operating Temperature Range
LTC1286C/LTC1298C............................. 0°C to 70°C
LTC1286I/LTC1298I........................... –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................ 300°C
Supply Voltage (V
CC
) to GND................................... 12V
Voltage
Analog and Reference ................ –0.3V to V
CC
+ 0.3V
Digital Inputs.........................................–0.3V to 12V
Digital Output ............................. –0.3V to V
CC
+ 0.3V
PART MARKING
1286
1286I
ORDER PART
NUMBER
LTC1298CN8
LTC1298IN8
ORDER PART
NUMBER
PART MARKING
LTC1298CS8
LTC1298IS8
LTC1286CS8
LTC1286IS8
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply Voltage (Note 3) LTC1286 4.5 9.0 V
LTC1298 4.5 5.5 V
f
CLK
Clock Frequency V
CC
= 5V (Note 4) 200 kHz
t
CYC
Total Cycle Time LTC1286, f
CLK
= 200kHz 80 µs
LTC1298, f
CLK
= 200kHz 90 µs
t
hDI
Hold Time, D
IN
After CLK↑ V
CC
= 5V 150 ns
t
suCS
Setup Time CS↓ Before First CLK↑ (See Operating Sequence) LTC1286, V
CC
= 5V 2 µs
LTC1298, V
CC
= 5V 2 µs
t
suDI
Setup Time, D
IN
Stable Before CLK↑ V
CC
= 5V 400 ns
t
WHCLK
CLK High Time V
CC
= 5V 2 µs
t
WLCLK
CLK Low Time V
CC
= 5V 2 µs
t
WHCS
CS High Time Between Data Transfer Cycles V
CC
= 5V 2 µs
t
WLCS
CS Low Time During Data Transfer LTC1286, f
CLK
= 200kHz 75 µs
LTC1298, f
CLK
= 200kHz 85 µs
RECOM ENDED OPERATING CONDITIONS
UUUU
W
W
Consult factory for military grade parts.
1
2
3
4
8
7
6
5
TOP VIEW
V
REF
+IN
–IN
GND
V
CC
CLK
D
OUT
N8 PACKAGE
8-LEAD PLASTIC DIP
CS/SHDN
1
2
3
4
8
7
6
5
TOP VIEW
CH0
CH1
GND
V
CC
(V
REF
)
CLK
D
OUT
D
IN
N8 PACKAGE
8-LEAD PLASTIC DIP
CS/SHDN
1
2
3
4
8
7
6
5
TOP VIEW
V
CC
(V
REF
)
CLK
D
OUT
D
IN
CH0
CH1
GND
S8 PACKAGE
8-LEAD PLASTIC SOIC
CS/SHDN
1
2
3
4
8
7
6
5
TOP VIEW
V
CC
CLK
D
OUT
V
REF
+IN
–IN
GND
S8 PACKAGE
8-LEAD PLASTIC SOIC
CS/SHDN
T
JMAX
= 150°C, θ
JA
= 130°C/W
T
JMAX
= 150°C, θ
JA
= 175°C/W