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參數(shù)資料
| 型號： | LT1002CN |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Dual, Matched Precision Operational Amplifier |
| 中文描述： | DUAL OP-AMP, 160 uV OFFSET-MAX, 0.8 MHz BAND WIDTH, PDIP14 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-14 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 344K |
| 代理商： | LT1002CN |
9
LT1002
APPLICATIO
S I
N
FOR
ATIO
U
W
U
Test Circuit for Offset Voltage and its Drift with Temperature
–
+
–15V
+15V
*50k
*
100
*
50k
3
(10)
(11)
4
14 (7)
13 (6)
V
O
1002 TA05
V
O
= 1000 V
OS
*RESISTORS MUST HAVE LOW
THERMOELECTRIC POTENTIAL.
12 (5)
1
/
2
LT1002
0.1Hz to 10Hz Noise Test Circuit
The device under test should be warmed up for three
minutes and shielded from air currents. Turn the device
180
°
to measure the noise of side B.
–
1
/
2
LT1002
A
+
–
+
1
/
2
LT1002
B
100k
2k
100k
4.3k
110k
SCOPE
×
1
R
IN
= 1M
0.1
μ
F
4.7
μ
F
24.3k
10
1002 TA06
0.1
μ
F
22
μ
F
VOLTAGE GAIN = 50,000
2.2
μ
F
DEVICE
UNDER
TEST
(Peak to Peak noise measured in 10 Sec interval)
This circuit is also used as burn-in configuration for the
LT1002, with supply voltages increased to
±
20V.
Unless proper care is exercised, thermocouple effects,
caused by temperature gradients across dissimilar metals
at the contacts to the input terminals, can exceed the
inherent drift of the amplifier. Air currents should be
minimized, package leads should be short, the two input
leads should be as close together as possible and main-
tained at the same temperature.
Channel Separation
This parameter is defined as the ratio of the change in input
offset voltage of one amplifier to the change in output
voltage of the other amplifier causing the offset change.
At low frequencies the LT1002’s channel separation is an
almost unmeasurable 148dB. As frequency increases, pin
to pin capacitance of the package, between the output of
one amplifier and the inputs of the other, becomes domi-
nant. Since these pins are non-adjacent, the capacitance is
only 0.02pF. To maintain the LT1002’s excellent channel
separation at higher frequencies, the socket and PC board
capacitances should be minimized.
Power supplies
The LT1002 is specified over a wide range of power supply
voltages from
±
3V to
±
18V. Operation with lower supplies
is possible, down to
±
1.2V (two Ni-Cad batteries). How-
ever, with
±
1.2V supplies, the device is stable only in
closed loop gains of +2 or higher (or inverting gain of one
or higher).
The V+ supply terminals are completely independent and
may be powered by separate supplies if desired (this
approach, however, would sacrifice the advantages of the
power supply rejection ratio matching). The V– supply
terminals are both connected to the common substrate
and must be tied to the same voltage. Both V– pins should
be used.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1002CN#PBF | 功能描述:IC PREC OPAMP DUAL MATCHED 14DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.6 V/µs 增益帶寬積:1MHz -3db帶寬:- 電流 - 輸入偏壓:45nA 電壓 - 輸入偏移:2000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:40mA 電壓 - 電源，單路/雙路(±):3 V ~ 32 V，±1.5 V ~ 16 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) 其它名稱:LM324ADTBR2G-NDLM324ADTBR2GOSTR |
| LT1002M | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual, Matched Precision Operational Amplifier |
| LT1002MJ | 制造商:Linear Technology 功能描述:OP Amp Dual GP 制造商:Linear Technology 功能描述:OP Amp Dual GP ±22V 14-Pin CDIP |
| LT1002MJ/883 | 制造商:Linear Technology 功能描述:OP Amp Dual GP ±22V 14-Pin CDIP |
| LT1003 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:5 Volt, 5 Amp Voltage Regulator |
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