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| 型號： | LT1880CS5#TR |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 12/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP PICO/IN RR/OUT TSOT23-5 |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 0.55 V/µs |
| 增益帶寬積： | 1.1MHz |
| 電流 - 輸入偏壓： | 150pA |
| 電壓 - 輸入偏移： | 40µV |
| 電流 - 電源： | 1.5mA |
| 電流 - 輸出 / 通道： | 25mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 36 V，±1.35 V ~ 18 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-5 細(xì)型，TSOT-23-5 |
| 供應(yīng)商設(shè)備封裝： | TSOT-23-5 |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | LT1880CS5TR |
LT1880
9
1880fa
APPLICATIONS INFORMATION
–
+
VREF
VIN
RG
RF
INVERTING: AV = –RF/RG
OP AMP INPUTS DO NOT MOVE,
BUT ARE FIXED AT DC BIAS
POINT VREF
INPUT DOES NOT HAVE TO BE
RAIL-TO-RAIL
–
+
VREF
VIN
RG
RF
NONINVERTING: AV = 1 +RF/RG
INPUTS MOVE BY AS MUCH AS
VIN, BUT THE OUTPUT MOVES
MORE
INPUT MAY NOT HAVE TO BE
RAIL-TO-RAIL
–
+
VIN
NONINVERTING: AV = +1
INPUTS MOVE AS MUCH AS
OUTPUT
INPUT MUST BE
RAIL-TO-RAIL FOR OVERALL
CIRCUIT RAIL-TO-RAIL
PERFORMANCE
1880 F01
Figure 1. Some Op Amp Congurations Do Not Require
Rail-to Rail Inputs to Achieve Rail-to-Rail Outputs
The circuit of Figure 2 shows an extreme example of the
inverting case. The input voltage at the 1M resistor can
swing ±13.5V and the LT1880 will output an inverted,
divided-by-ten version of the input voltage. The input
accuracy is limited by the resistors to 0.2%. Output
referred, this error becomes 2.7mV. The 40μV input offset
voltage contribution, plus the additional error due to input
bias current times the ~100k effective source impedance,
contribute only negligibly to error.
Precision Photodiode Amplier
Photodiode ampliers usually employ JFET op amps be-
cause of their low bias current; however, when precision
is required, JFET op amps are generally inadequate due to
their relatively high input offset voltage and drift. The
LT1880 provides a high degree of precision with very low
bias current (IB = 150pA typical) and is therefore appli-
cable to this demanding task. Figure 3 shows an LT1880
congured as a transimpedance photodiode amplier.
1.5V
–1.5V
100k, 0.1%
1M, 0.1%
VIN
±1.35V
OUTPUT
SWING
±13.5V SWINGS
WELL OUTSIDE
SUPPLY RAILS
–
+
LT1880
1880 F02
–
+
OUT
CF
RF 51.1k
5V
–5V
CD
PHOTODIODE
(SEE TEXT)
LT1880
WORST-CASE
OUTPUT OFFSET
≤196μV AT 25°C
≤262μV 0°C TO 70°C
≤323μV –40°C TO 85°C
1880 F02
Figure 2. Extreme Inverting Case: Circuit Operates Properly with
Input Voltage Swing Well Outside Op Amp Supply Rails.
Figure 3. Precision Photodiode Amplier
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1880CS5TRMPBF | 制造商:Linear Technology 功能描述:LT1880 precision SOT23 op amp |
| LT1880IS5 | 制造商:Linear Technology 功能描述:OP Amp Single GP R-R O/P ±18V/36V 5-Pin TSOT-23 |
| LT1880IS5#PBF | 制造商:Linear Technology 功能描述:OP-AMP PRECISION 1.1MHZ 0.4 制造商:Linear Technology 功能描述:OP-AMP, PRECISION, 1.1MHZ, 0.4V/us, TSOT-23-5; Op Amp Type:Precision; No. of Amplifiers:1; Slew Rate:0.4V/s; Supply Voltage Range:2.7V to 36V; Amplifier Case Style:TSOT-23; No. of Pins:5; Bandwidth:1.1MHz; Package / Case:5-TSOT-23 ;RoHS Compliant: Yes |
| LT1880IS5#TR | 功能描述:IC OPAMP PICO/IN RR/OUT TSOT23-5 RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| LT1880IS5#TRM | 功能描述:IC OPAMP PICO/IN RR/OUT TSOT23-5 RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:LinCMOS™ 放大器類型:通用 電路數(shù):4 輸出類型:- 轉(zhuǎn)換速率:0.05 V/µs 增益帶寬積:110kHz -3db帶寬:- 電流 - 輸入偏壓:0.7pA 電壓 - 輸入偏移:210µV 電流 - 電源:57µA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):3 V ~ 16 V，±1.5 V ~ 8 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:14-SOIC 包裝:管件 產(chǎn)品目錄頁面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
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