LTC1291BCJ8 Ver la hoja de datos (PDF) - Linear Technology
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LTC1291BCJ8 Datasheet PDF : 20 Pages
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LTC1291
ABSOLUTE AXI U RATI GS
(Notes 1 and 2)
Supply Voltage (VCC) to GND .................................. 12V
Voltage
Analog Inputs ............................ –0.3V to VCC + 0.3V
Digital Inputs ........................................ –0.3V to 12V
Digital Outputs .......................... –0.3V to VCC + 0.3V
Power Dissipation ............................................. 500mW
Operating Temperature Range
LTC1291BC, LTC1291CC,
LTC1291DC ............................................ 0°C to 70°C
Storage Temperature Range ................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER I FOR ATIO
CS 1
CH0 2
CH1 3
GND 4
TOP VIEW
8 VCC (VREF)
7 CLK
6 DOUT
5 DIN
ORDER PART
NUMBER
LTC1291BCN8
LTC1291CCN8
LTC1291DCN8
N8 PACKAGE
8-LEAD PLASTIC DIP
TJMAX = 100°C, θJA = 130°C/ W (N8)
J8 PACKAGE
8-LEAD CERAMIC DIP
TJMAX = 150°C, θJA = 100°C/ W (J8)
LTC1291BCJ8
LTC1291CCJ8
LTC1291DCJ8
OBSOLETE PACKAGE
Consider N8 Package for Alternate Source
Consult LTC Marketing for parts specified with wider operating temperature ranges.
U
UW
CO VERTER A D ULTIPLEXER CHARACTERISTICS The q denotes the specifications
which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)
PARAMETER
CONDITIONS
LTC1291B
LTC1291C
LTC1291D
MIN TYP MAX MIN TYP MAX MIN TYP MAX
UNITS
Offset Error
(Note 4)
q
±3.0
±3.0
±3.0
LSB
Linearity Error (INL)
(Note 4 & 5)
q
±0.5
±0.5
±0.75
LSB
Gain Error
(Note 4)
q
±1.0
± 2.0
±4.0
LSB
Minimum Resolution for which No
Missing Codes are Guaranteed
q
12
12
12
Bits
Analog Input Range
On Channel Leakage Current
(Note 8)
(Note 7)
On Channel = 5V
q
Off Channel = 0V
– 0.05V to VCC + 0.05V
±1
±1
V
±1
µA
On Channel = 0V
q
±1
±1
±1
µA
Off Channel = 5V
Off Channel Lekage Current
On Channel = 5V
q
±1
±1
±1
µA
(Note 8)
Off Channel = 0V
On Channel = 0V
q
±1
±1
±1
µA
Off Channel = 5V
AC CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. (Note 3)
SYMBOL PARAMETER
CONDITIONS
LTC1291B/LTC1291C/LTC1291D
MIN TYP MAX
UNITS
fCLK
tSMPL
tCONV
tCYC
Clock Frequency
Analog Input Sample Time
Conversion Time
Total Cycle Time
VCC = 5V (Note 6)
See Operating Sequence
See Operating Sequence
See Operating Sequence (Note 6)
(Note 9)
1.0
2.5
12
18 CLK
+ 500ns
MHz
CLK Cycles
CLK Cycles
Cycles
tdDO
Delay Time, CLK↓ to DOUT Data Valid
See Test Circuits
q
160 300
ns
1291fa
2
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