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參數(shù)資料
| 型號(hào)： | LT1025ACN8 |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大小： | 0K |
| 描述： | IC THERMO COMPNSATR MICRPWR 8DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 類型： | 熱電偶調(diào)節(jié)器 |
| 輸入類型： | 電壓 |
| 輸出類型： | 電壓 |
| 電流 - 電源： | 150µA |
| 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
LT1025
1025fb
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Temperature Error at
TJ = 25°C
10mV/
°C Output (Notes 4, 5)
LT1025A
0.3
0.5
°C
LT1025
0.5
2.0
°C
Full Temperature Span
q
See Curve
Resistor Divider Accuracy
VOUT = 10mV/°C
(Notes 2, 4)
LT1025A
E
60.6
60.9
61.3
V/°C
J
51.4
51.7
52.1
V/°C
K, T
40.3
40.6
41.0
V/°C
R, S
5.8
5.95
6.2
V/°C
LT1025
E
60.4
60.9
61.6
V/°C
J
51.2
51.7
52.3
V/°C
K, T
40.2
40.6
41.2
V/°C
R, S
5.75
5.95
6.3
V/°C
Supply Current
4V
≤ VIN ≤ 36V
50
80
100
A
LT1025AC, LT1025C
q
50
150
A
LT1025AM, LT1025M
q
200
A
Line Regulation (Note 3)
4V
≤ VIN ≤ 36V
q
0.003
0.02
°C/V
Load Regulation (Note 3)
0
≤ IO ≤ 1mA
q
0.04
0.2
°C
Divider Impedance
E
2.5
k
J
2.1
k
K, T
4.4
k
R, S
3.8
k
Change in Supply Current
4V
≤ VIN ≤ 36V
0.01
0.05
A/V
(Note 1)
Input Supply Voltage .......................................... 36V
Output Voltage (Forced) ........................................ 5V
Output Short-Circuit Duration ..................... Indefinite
Operating Temperature Range
LT1025AC, LT1025C ............................ 0
°C to 70°C
LT1025AM, LT1025M .................. – 55
°C to 125°C
Storage Temperature Range ............ – 55
°C to 150°C
The q denotes the specifications which apply over the full operating
temperature range, otherwise specificatons are at TA = 25°C. VS = 5V, Pin 5 tied to Pin 4, unless otherwise noted.
Note 1: Absolute Maximum Ratings are those values beyond which the
life of a device may be impaired.
Note 2: Divider accuracy is measured by applying a 10.000V signal to the
output divider and measuring the individual outputs.
Note 3: Regulation does not include the effects of self-heating. See
“Internal Temperature Rise” in Application Guide. Load regulation is
30
A ≤ IO ≤ 1mA for TA ≤ 0°C.
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
W
ELECTRICAL CHARACTERISTICS
Note 4: To calculate total temperature error at individual thermocouple
outputs, add 10mV/
°C output error to the resistor divider error. Total error
for type K output at 25
°C with an LT1025A is 0.5°C plus (0.4V/°C)(25°C)/
(40.6
V/°C) = 0.5°C + 0.25°C = 0.75°C.
Note 5: Temperature error is defined as the deviation from the following
formula: VOUT = 10mV(T) + (10mV)(5.5 10
-4)(T – 25
°C)2. The second
term is a built-in nonlinearity designed to help compensate the nonlinearity
of the
cold junction. This “bow” is
≈0.34°C for a 25°C temperature change.
1
2
3
4
8
7
6
5
TOP VIEW
S8 PACKAGE
8-LEAD PLASTIC SO
N8 PACKAGE
8-LEAD PDIP
J
51.7
V/°C
K, T
40.6
V/°C
R, S
6
V/°C
R–
COMMON
E
60.9
V/°C
VIN
VO
10mV/
°C
GND
ORDER PART
NUMBER
LT1025ACN8
LT1025CN8
LT1025CS8
TJMAX = 150°C, θJA = 130°C/W (N8)
TJMAX = 150°C, θJA = 190°C/W (S8)
J8 PACKAGE 8-LEAD CERDIP
TJMAX = 150°C, θJA = 100°C/W
LT1025AMJ8
LT1025MJ8
OBSOLETE PACKAGE
Consider the N8 Package for Alternate Source
Consult LTC Marketing for parts specified with wider operating temperature ranges.
S8 PART MARKING
1025
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