LTC1287 LINER [Linear Technology], LTC1287 Datasheet - Page 2

• Manufacturer Part Number: LTC1287
• Description: 3V Single Chip 12-Bit Data Acquisition System
• Manufacturer: LINER [Linear Technology]

CO VERTER A D
LTC1287
A
(Notes 1 and 2)
AC CHARACTERISTICS
Supply Voltage (V
Voltage
Power Dissipation............................................. 500mW
Operating Temperature Range
Storage Temperature Range ................ –65 C to 150 C
Lead Temperature (Soldering, 10 sec.)................ 300 C
PARAMETER
Offset Error
Linearity Error (INL)
Gain Error
Minimum Resolution for Which No
Missing Codes are Guaranteed
Analog and REF Input Range
On Channel Leakage Current (Note 8)
Off Channel Leakage Current (Note 8)
SYMBOL
f
t
t
t
t
t
t
2
CLK
SMPL
CONV
CYC
dDO
dis
en
BSOLUTE
Analog and Reference Inputs .... –0.3V to V
Digital Inputs........................................ –0.3V to 12V
Digital Outputs .......................... –0.3V to V
LTC1287BI, LTC1287CI ................... – 40 C TO 85 C
LTC1287BC, LTC1287CC ....................... 0 C to 70 C
U
PARAMETER
Clock Frequency
Analog Input Sample Time
Conversion Time
Total Cycle Time
Delay Time, CLK to D
Delay Time, CS to D
Delay Time, CLK to D
CC
W
) to GND .................................. 12V
A
U W
XI
OUT
W
OUT
OUT
Hi-Z
Enabled
U
Data Valid
W
ULTIPLEXER CHARACTERISTICS
(Note 3)
R
A
CONDITIONS
V
V
V
(Note 7)
On Channel = 3V
Off Channel = 0V
On Channel = 0V
Off Channel = 3V
On Channel = 3V
Off Channel = 0V
On Channel = 0V
Off Channel = 3V
CC
CC
CC
TI
= 2.7V (Note 4)
= 2.7V (Notes 4 & 5)
= 2.7V (Note 4)
U
CC
CC
G
CONDITIONS
(Note 6)
See Operating Sequence
See Operating Sequence
See Operating Sequence (Note 6)
See Test Circuits
See Test Circuits
See Test Circuits
+ 0.3V
+ 0.3V
S
PACKAGE/ORDER I FOR ATIO
GND
+IN
–IN
CS
1
2
3
4
8-LEAD CERAMIC DIP
8-LEAD PLASTIC DIP
J8 PACKAGE
N8 PACKAGE
TOP VIEW
MIN
LTC1287B
TYP MAX
(V
8
6
5
7
–
) – 0.05V to V
V
CLK
D
V
1287 PO
CC
REF
(Note 3)
OUT
14 CLK+
(Note 9)
12
5.0 s
3.0
0.5
0.5
LTC1287B/LTC1287C
MIN
1
1
1
1
U
MIN
CC
TYP
250
130
1.5
12
80
LTC1287C
+ 0.05V
ORDER PART
TYP MAX
LTC1287BIJ
LTC1287CIJ
LTC1287BIN
LTC1287CIN
LTC1287BCJ
LTC1287CCJ
LTC1287BCN
LTC1287CCN
NUMBER
MAX
450
160
250
0.5
W
12
3.0
1.0
0.5
1
1
1
1
CLK Cycles
CLK Cycles
UNITS
UNITS
Cycles
U
MHz
LSB
LSB
LSB
Bits
ns
ns
ns
V
A
A
A
A