LTC1291 Linear Technology, LTC1291 Datasheet - Page 2

• Manufacturer Part Number: LTC1291
• Description: Single Chip 12-Bit Data Acquisition System
• Manufacturer: Linear Technology

CO VERTER A D
LTC1291
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 Input Range
On Channel Leakage Current
Off Channel Lekage Current
SYMBOL
f
t
t
t
t
2
CLK
SMPL
CONV
CYC
dDO
(Note 8)
(Note 8)
BSOLUTE
Analog Inputs ............................ –0.3V to V
Digital Inputs........................................ –0.3V to 12V
Digital Outputs .......................... –0.3V to V
LTC1291BC, LTC1291CC,
LTC1291DC ............................................ 0 C to 70 C
LTC1291BI, LTC1291CI,
LTC1291DI ........................................ –40 C to 85 C
LTC1291BM, LTC1291CM,
LTC1291DM ................................... –55 C to 125 C
U
PARAMETER
Clock Frequency
Analog Input Sample Time
Conversion Time
Total Cycle Time
Delay Time, CLK to D
CC
W
) to GND .................................. 12V
A
U W
XI
W
OUT
Data Valid
U
CONDITIONS
(Note 4)
(Note 4 & 5)
(Note 4)
(Note 7)
On Channel = 5V
Off Channel = 0V
On Channel = 0V
Off Channel = 5V
On Channel = 5V
Off Channel = 0V
On Channel = 0V
Off Channel = 5V
W
ULTIPLEXER CHARACTERISTICS
(Note 3)
R
A
TI
CONDITIONS
V
See Operating Sequence
See Operating Sequence
See Operating Sequence (Note 6)
See Test Circuits
CC
U
= 5V (Note 6)
CC
CC
G
+ 0.3V
+ 0.3V
S
MIN
LTC1291B
PACKAGE/ORDER I FOR ATIO
TYP MAX
GND
CH0
CH1
CS
1
2
3
4
12
8-LEAD CERAMIC DIP
3.0
0.5
1.0
8-LEAD PLASTIC DIP
1
1
1
1
N8 PACKAGE
J8 PACKAGE
TOP VIEW
– 0.05V to V
MIN
LTC1291C
LTC1291B/LTC1291C/LTC1291D
TYP MAX
6
8
7
5
CC
(Note 9)
+ 500ns
18 CLK
D
MIN
V
CLK
D
(Note 3)
+ 0.05V
CC
OUT
IN
12
3.0
0.5
2.0
(V
1
1
1
1
REF
)
TYP
160
2.5
12
U
MIN
LTC1291D
MAX
LTC1291BMJ8
LTC1291CMJ8
LTC1291DMJ8
LTC1291BIJ8
LTC1291CIJ8
LTC1291DIJ8
LTC1291BIN8
LTC1291CIN8
LTC1291DIN8
LTC1291BCN8
LTC1291CCN8
LTC1291DCN8
TYP MAX
300
1.0
ORDER PART
NUMBER
W
0.75
12
3.0
4.0
1
1
1
1
CLK Cycles
CLK Cycles
UNITS
UNITS
Cycles
U
MHz
LSB
LSB
LSB
Bits
ns
V
A
A
A
A