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參數(shù)資料
| 型號： | LTC1278-4IN |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC A/DCONV SAMPLNG W/SHTDN 24DIP |
| 標(biāo)準(zhǔn)包裝： | 15 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 400k |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 150mW |
| 電壓電源： | 雙 ± |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 24-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 24-PDIP |
| 包裝： | 管件 |
| 輸入數(shù)目和類型： | 1 個單端，單極；1 個單端，雙極 |
2
LTC1278
A
U
G
W
A
W
U
W
A
R
BSOLUTEXI
TI
S
WU
U
PACKAGE/ORDER I FOR ATIO
ORDER
PART NUMBER
AVDD = DVDD = VDD (Notes 1, 2)
Supply Voltage (VDD) .............................................. 12V
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 12V
Bipolar Operation........................... VSS – 0.3V to 12V
Digital Output Voltage
Unipolar Operation ................... – 0.3V to VDD + 0.3V
Bipolar Operation................ VSS – 0.3V to VDD + 0.3V
Power Dissipation ............................................. 500mW
Operating Temperature Range
LTC1278-4C, LTC1278-5C ..................... 0
°C to 70°C
LTC1278-4I ....................................... – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec) ................. 300
°C
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
SW PACKAGE
24-LEAD PLASTIC SO WIDE
N PACKAGE
24-LEAD PDIP
24
23
22
21
20
19
18
17
16
15
14
13
AIN
VREF
AGND
D11(MSB)
D10
D9
D8
D7
D6
D5
D4
DGND
AVDD
VSS
BUSY
CS
RD
CONVST
SHDN
DVDD
D0
D1
D2
D3
TJMAX = 110°C, θJA = 100°C/W (N)
TJMAX = 110°C, θJA = 130°C/W (SW)
Consult factory for Military grade parts.
LTC1278-4CN
LTC1278-5CN
LTC1278-4IN
LTC1278-4CSW
LTC1278-5CSW
LTC1278-4ISW
LTC1278-4/LTC1278-5
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
q
12
Bit
Integral Linearity Error
(Note 7)
q
±1
LSB
Differential Linearity Error
q
±1
LSB
Offset Error
(Note 8)
±4
LSB
q
±6
LSB
Gain Error
±15
LSB
Gain Error Tempco
IOUT(REF) = 0
q
±10
±45
ppm/
°C
CC
HARA TERISTICS
CO
U
VERTER
With Internal Reference (Notes 5, 6)
LTC1278-4/LTC1278-5
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (Note 9)
4.95V
≤ VDD ≤ 5.25V (Unipolar)
q
0 to 5
V
4.75V
≤ VDD ≤ 5.25V, –5.25V ≤ VSS ≤ – 2.45V (Bipolar)
q
±2.5
V
IIN
Analog Input Leakage Current
CS = High
q
±1
A
CIN
Analog Input Capacitance
Between Conversions (Sample Mode)
45
pF
During Conversions (Hold Mode)
5
pF
PUT
U
I
A
U
LOG
(Note 5)
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