fCLK Clock Frequency (Note 6) (Note 9) 0" />
參數(shù)資料
型號: LTC1287CCN8
廠商: Linear Technology
文件頁數(shù): 9/16頁
文件大?。?/td> 0K
描述: IC DATA ACQ SYS 12BIT 3V 8-DIP
標(biāo)準(zhǔn)包裝: 50
類型: 數(shù)據(jù)采集系統(tǒng)(DAS)
分辨率(位): 12 b
采樣率(每秒): 30k
數(shù)據(jù)接口: 串行,并聯(lián)
電壓電源: 單電源
電源電壓: 3V
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 8-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 8-PDIP
包裝: 管件
2
LTC1287
1287fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fCLK
Clock Frequency
(Note 6)
(Note 9)
0.5
MHz
tSMPL
Analog Input Sample Time
See Operating Sequence
1.5
CLK Cycles
tCONV
Conversion Time
See Operating Sequence
12
CLK Cycles
tCYC
Total Cycle Time
See Operating Sequence (Note 6)
14 CLK+5.0
s
Cycles
tdDO
Delay Time, CLK
↓to DOUT Data Valid
See Test Circuits
q
250
450
ns
tdis
Delay Time, CS
↑ to DOUT Hi-Z
See Test Circuits
q
80
160
ns
ten
Delay Time, CLK
↓ to DOUT Enabled
See Test Circuits
q
130
250
ns
The q denotes the specifications
which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)
The q denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. (Note 3)
WU
U
PACKAGE/ORDER I FOR ATIO
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
(Notes 1 and 2)
Supply Voltage (VCC) to GND.................................. 12V
Voltage
Analog and Reference 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 .................... 0
°C to 70°C
Storage Temperature Range ................. –65
°C to 150°C
Lead Temperature (Soldering, 10 sec.)................ 300
°C
ORDER PART
NUMBER
LTC1287BCN8
LTC1287CCN8
LTC1287B
LTC1287C
CO VERTER A D
ULTIPLEXER CHARACTERISTICS
UU W
AC CHARACTERISTICS
LTC1287B/LTC1287C
– 0.05V to VCC + 0.05V
TJMAX = 150°C, θJA = 100°C/W (J)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
TJMAX = 100°C, θJA = 130°C/W (N)
LTC1287BCJ8
LTC1287CCJ8
OBSOLETE PACKAGE
Consider N8 Package for Alternate Source
J8 PACKAGE
8-LEAD CERAMIC DIP
1
2
3
45
6
7
8
TOP VIEW
VCC
CLK
DOUT
VREF
CS
+IN
–IN
GND
N8 PACKAGE
8-LEAD PLASTIC DIP
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Offset Error
VCC = 2.7V (Note 4)
q
±3.0
LSB
Linearity Error (INL)
VCC = 2.7V (Notes 4 & 5)
q
±0.5
LSB
Gain Error
VCC = 2.7V (Note 4)
q
±0.5
±1.0
LSB
Minimum Resolution for Which No
q
12
Bits
Missing Codes are Guaranteed
Analog and REF Input Range
(Note 7)
V
On Channel Leakage Current (Note 8)
On Channel = 3V
q
±1
A
Off Channel = 0V
On Channel = 0V
q
±1
A
Off Channel = 3V
Off Channel Leakage Current (Note 8)
On Channel = 3V
q
±1
A
Off Channel = 0V
On Channel = 0V
q
±1
A
Off Channel = 3V
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