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參數(shù)資料
| 型號： | LTC1151CSW |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP ZERO-DRIFT DUAL 16SOIC |
| 標準包裝： | 47 |
| 放大器類型： | 斷路器（零漂移） |
| 電路數(shù)： | 2 |
| 轉(zhuǎn)換速率： | 2.5 V/µs |
| 增益帶寬積： | 2MHz |
| 電流 - 輸入偏壓： | 15pA |
| 電壓 - 輸入偏移： | 0.5µV |
| 電流 - 電源： | 900µA |
| 電壓 - 電源，單路/雙路(±)： | 4.75 V ~ 36 V，±2.38 V ~ 18 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SO |
| 包裝： | 管件 |
| 其它名稱： | LTC1151CS |
LTC1151
8
1151fa
U
S
A
O
PPLICATI
WU
U
I FOR ATIO
LEAD WIRE/SOLDER
COPPER TRACE JUNCTION
NOMINALLY UNNECESSARY
RESISTOR USED TO
THERMALLY BALANCE
OTHER INPUT RESISTOR
OUTPUT
RESISTOR LEAD, SOLDER,
COPPER TRACE JUNCTION
1151 F01
–
+
LTC1151
Figure 1. Extra Resistors Cancel Thermal EMF
Resistors are another source of thermal EMF errors.
Table 1 shows the thermal EMF generated for different
resistors. The temperature gradient across the resistor is
important, not the ambient temperature. There are two
junctions formed at each end of the resistor and if these
junctions are at the same temperature, their thermal EMFs
will cancel each other. The thermal EMF numbers are
approximate and vary with resistor value. High values give
higher thermal EMF.
Table 1. Resistor Thermal EMF
RESISTOR TYPE
THERMAL EMF/
°C GRADIENT
Tin Oxide
>1mV/°C
Carbon Composition
450V/°C
Metal Film
20V/°C
Wire Wound
Evenohm, Manganin
2V/°C
PACKAGE-INDUCED OFFSET VOLTAGE
Package-induced thermal EMF effects are another impor-
tant source of errors. They arise at the junctions formed
when wire or printed circuit traces contact a package lead.
Like all the previously mentioned thermal EMF effects,
they are outside the LTC1151’s offset nulling loop and
cannot be cancelled. The input offset voltage specification
of the LTC1151 is actually set by the package-induced
warm-up drift rather than by the circuit itself. The thermal
time constant ranges from 0.5 to 3 minutes, depending on
package type.
ALIASING
Like all sampled data systems, the LTC1151 exhibits
aliasing behavior at input frequencies near the sampling
frequency. The LTC1151 includes a high frequency cor-
rection loop which minimizes this effect. As a result,
aliasing is not a problem for many applications.
For a complete discussion of the correction circuitry and
aliasing behavior, please refer to the LTC1051/LTC1053
data sheet.
LOW SUPPLY OPERATION
The minimum supply for proper operation of the LTC1151
is typically 4.0V (
±2.0V). In single supply applications,
PSRR is guaranteed down to 4.7V (
±2.35V) to ensure
proper operation at minimum TTL supply voltage of 4.75V.
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| LTC1151CSW#PBF | 功能描述:IC OPAMP ZERO-DRIFT DUAL 16SOIC 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 |
| LTC1151CSW#PBF | 制造商:Linear Technology 功能描述:OPERATIONAL AMPLIFIER IC |
| LTC1151CSW#TR | 功能描述:IC OPAMP ZERO DRIFT DUAL 16SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:帶卷 (TR) |
| LTC1151CSW#TRPBF | 功能描述:IC OPAMP ZERO-DRIFT DUAL 16SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:2,500 系列:Excalibur™ 放大器類型:J-FET 電路數(shù):1 輸出類型:- 轉(zhuǎn)換速率:45 V/µs 增益帶寬積:10MHz -3db帶寬:- 電流 - 輸入偏壓:20pA 電壓 - 輸入偏移:490µV 電流 - 電源:1.7mA 電流 - 輸出 / 通道:48mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 38 V，±2.25 V ~ 19 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SOIC 包裝:帶卷 (TR) |
| LTC1151CSWPBF | 制造商:Linear Technology 功能描述:Chopper Stabil. Dual Amp +/-18/36V SO16W |
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