ABSOLUTE MAXIMU
參數(shù)資料
型號： DC178A
廠商： Linear Technology
文件頁數(shù)： 12/28頁
文件大?。?/td> 0K
描述： BOARD SAR ADC LTC1418
設(shè)計(jì)資源： DC178A Design File
DC178A Schematic
標(biāo)準(zhǔn)包裝： 1
ADC 的數(shù)量： 1
位數(shù)： 14
采樣率（每秒）： 200k
數(shù)據(jù)接口： 串行，并聯(lián)
輸入范圍： ±2.048 V
已用 IC / 零件： LTC1418
已供物品： 板
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LTC1418AIG#PBF-ND - IC A/D CONV 14BIT SRL&PAR 28SSOP
更多...
2
LTC1418
ABSOLUTE MAXIMUM RATINGS
W
WW
U
(Notes 1, 2)
Supply Voltage (VDD) ................................................. 6V
Negative Supply Voltage (VSS)
Bipolar Operation Only ........................... – 6V to GND
Total Supply Voltage (VDD to VSS)
Bipolar Operation Only ....................................... 12V
Analog Input Voltage (Note 3)
Unipolar Operation .................. – 0.3V to (VDD + 0.3V)
Bipolar Operation........... (VSS – 0.3V) to (VDD + 0.3V)
Digital Input Voltage (Note 4)
Unipolar Operation ................................ – 0.3V to 10V
Bipolar Operation.........................(VSS – 0.3V) to 10V
Digital Output Voltage
Unipolar Operation .................. – 0.3V to (VDD + 0.3V)
Bipolar Operation........... (VSS – 0.3V) to (VDD + 0.3V)
Power Dissipation .............................................. 500mW
Operation Temperature Range
LTC1418C................................................ 0
°C to 70°C
LTC1418I ............................................ – 40
°C to 85°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
PACKAGE/ORDER INFORMATION
W
U
ORDER PART
NUMBER
Consult factory for Military grade parts.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
N PACKAGE
28-LEAD NARROW PDIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
AIN
+
AIN
–
VREF
REFCOMP
AGND
D13 (MSB)
D12
D11
D10
D9
D8
D7
D6
DGND
VDD
VSS
BUSY
CS
CONVST
RD
SHDN
SER/PAR
D0 (EXT/INT)
D1 (DOUT)
D2 (CLKOUT)
D3 (SCLK)
D4 (EXTCLKIN)
D5
LTC1418ACG
LTC1418ACN
LTC1418AIG
LTC1418AIN
LTC1418CG
LTC1418CN
LTC1418IG
LTC1418IN
CC
HARA TERISTICS
CO
U
VERTER
LTC1418
LTC1418A
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
q
13
14
Bits
Integral Linearity Error
(Note 7)
q
±0.8
±2
±0.5
±1.25
LSB
Differential Linearity Error
q
±0.7
±1.5
±0.35
±1
LSB
Offset Error
(Note 8)
q
±5
±20
±2
±10
LSB
Full-Scale Error
Internal Reference
±10
±60
±20
±60
LSB
External Reference = 2.5V
±5
±30
±5
±15
LSB
Full-Scale Tempco
IOUT(REF) = 0, Internal Reference, Commercial
q
±15
±10
±45
ppm/
°C
IOUT(REF) = 0, Internal Reference, Industrial
±20
ppm/
°C
IOUT(REF) = 0, External Reference
±5
±1
ppm/
°C
With internal reference (Notes 5, 6) unless otherwise noted.
PUT
U
I
A
U
LOG
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (Note 9)
4.75V
≤ VDD ≤ 5.25V (Unipolar)
q
0 to 4.096
V
4.75V
≤ VDD ≤ 5.25V, –5.25V ≤ VSS ≤ –4.75V (Bipolar)
q
±2.048
V
IIN
Analog Input Leakage Current
CS = High
q
±1
A
CIN
Analog Input Capacitance
Between Conversions (Sample Mode)
25
pF
During Conversions (Hold Mode)
5
pF
tACQ
Sample-and-Hold Acquisition Time
Commercial
q
300
1000
ns
Industrial
q
300
1000
ns
(Note 5)
TJMAX = 110°C, θJA = 95°C/ W (G)
TJMAX = 110°C, θJA = 100°C/ W (N)
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