LTC1291BCN8 查看數據表（PDF） - Linear Technology
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LTC1291BCN8 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
LTC1291BI, LTC1291CI,
LTC1291DI ........................................ –40°C to 85°C
LTC1291BM, LTC1291CM,
LTC1291DM ................................... –55°C to 125°C
Storage Temperature Range ................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec.)................ 300°C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
CS 1
CH0 2
CH1 3
GND 4
8 VCC (VREF)
7 CLK
6 DOUT
5 DIN
J8 PACKAGE
8-LEAD CERAMIC DIP
N8 PACKAGE
8-LEAD PLASTIC DIP
ORDER PART
NUMBER
LTC1291BMJ8
LTC1291CMJ8
LTC1291DMJ8
LTC1291BIJ8
LTC1291CIJ8
LTC1291DIJ8
LTC1291BIN8
LTC1291CIN8
LTC1291DIN8
LTC1291BCN8
LTC1291CCN8
LTC1291DCN8
U
UW
CO VERTER A D ULTIPLEXER CHARACTERISTICS (Note 3)
PARAMETER
Offset Error
Linearity Error (INL)
Gain Error
Minimum Resolution for which No
Missing Codes are Guaranteed
Analog Input Range
On Channel Leakage Current
(Note 8)
Off Channel Lekage Current
(Note 8)
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
LTC1291B
LTC1291C
LTC1291D
MIN TYP MAX MIN TYP MAX MIN TYP MAX
q
±3.0
±3.0
±3.0
q
±0.5
±0.5
±0.75
q
±1.0
±2.0
±4.0
q
12
12
12
– 0.05V to VCC + 0.05V
q
±1
±1
±1
q
±1
±1
±1
q
±1
±1
±1
q
±1
±1
±1
UNITS
LSB
LSB
LSB
Bits
V
µA
µA
µA
µA
AC CHARACTERISTICS (Note 3)
SYMBOL
fCLK
tSMPL
tCONV
tCYC
PARAMETER
Clock Frequency
Analog Input Sample Time
Conversion Time
Total Cycle Time
tdDO
Delay Time, CLK↓ to DOUT Data Valid
CONDITIONS
VCC = 5V (Note 6)
See Operating Sequence
See Operating Sequence
See Operating Sequence (Note 6)
See Test Circuits
LTC1291B/LTC1291C/LTC1291D
MIN TYP MAX
UNITS
(Note 9)
1.0
MHz
2.5
CLK Cycles
12
CLK Cycles
18 CLK
+ 500ns
Cycles
q
160 300
ns
2
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