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參數(shù)資料
| 型號： | LTC2050HVCS6#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 2/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP ZERO-DRIFT SOT23-6 |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 斷路器（零漂移） |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 2 V/µs |
| 增益帶寬積： | 3MHz |
| 電流 - 輸入偏壓： | 25pA |
| 電壓 - 輸入偏移： | 0.5µV |
| 電流 - 電源： | 1mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 11 V，±1.35 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-6 |
| 供應(yīng)商設(shè)備封裝： | TSOT-23-6 |
| 包裝： | 帶卷 (TR) |
LTC2050/LTC2050HV
10
2050fc
multiplied by the closed loop gain of the op amp. To reduce
this form of clock feedthrough, use smaller valued gain
setting resistors and minimize the source resistance at the
input. If the resistance seen at the inputs is less than 10k,
this form of clock feedthrough is less than 1μVRMS input
referred at 7.5kHz, or less than the amount of residue clock
feedthrough from the rst form described above.
Placing a capacitor across the feedback resistor reduces
either form of clock feedthrough by limiting the bandwidth
of the closed loop gain.
Input bias current is dened as the DC current into the
input pins of the op amp. The same current spikes that
cause the second form of clock feedthrough described
above, when averaged, dominate the DC input bias current
of the op amp below 70°C.
At temperatures above 70°C, the leakage of the ESD
protection diodes on the inputs increases the input bias
currents of both inputs in the positive direction, while
the current caused by the charge injection stays rela-
tively constant. At elevated temperatures (above 85°C) the
leakage current begins to dominate and both the negative
and positive pin’s input bias currents are in the positive
direction (into the pins).
Input Pins, ESD Sensitivity
ESD voltages above 700V on the input pins of the op amp
will cause the input bias currents to increase (more DC
current into the pins). At these voltages, it is possible to
damage the device to a point where the input bias current
exceeds the maximums specied in this data sheet.
Shutdown
The LTC2050 includes a shutdown pin in the 6-lead SOT-23
and the SO-8 version. When this active low pin is high or
allowed to oat, the device operates normally. When the
shutdown pin is pulled low, the device enters shutdown
mode; supply current drops to 3μA, all clocking stops, and
both inputs and output assume a high impedance state.
Clock Feedthrough, Input Bias Current
The LTC2050 uses auto-zeroing circuitry to achieve an
almost zero DC offset over temperature, common mode
voltage, and power supply voltage. The frequency of the
clock used for auto-zeroing is typically 7.5kHz. The term
clock feedthrough is broadly used to indicate visibility of
this clock frequency in the op amp output spectrum. There
are typically two types of clock feedthrough in auto zeroed
op amps like the LTC2050.
The rst form of clock feedthrough is caused by the settling
of the internal sampling capacitor and is input referred;
that is, it is multiplied by the closed loop gain of the op
amp. This form of clock feedthrough is independent of the
magnitude of the input source resistance or the magnitude
of the gain setting resistors. The LTC2050 has a residue
clock feedthrough of less then 1μVRMS input referred
at 7.5kHz.
The second form of clock feedthrough is caused by the
small amount of charge injection occurring during the
sampling and holding of the op amp’s input offset voltage.
The current spikes are multiplied by the impedance seen at
the input terminals of the op amp, appearing at the output
APPLICATIONS INFORMATION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC2050HVCS6#TR | IC OPAMP ZERO DRIFT HV SOT23-6 |
| NPPN081BFLC-RC | CONN RECEPT 2MM SINGLE SMD 8POS |
| 7100.1166.95 | FUSE 1.25A 250V FAST 19MM PCB TR |
| PPTC052LJBN-RC | CONN FEMALE 10POS DL .1" R/A TIN |
| MMK23-0441C1 | CONN RACK/PANEL 44POS 5A |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2050HVCS8 | 功能描述:IC OPAMP ZERO-DRIFT 8-SOIC 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 |
| LTC2050HVCS8#PBF | 功能描述:IC OPAMP ZERO-DRIFT 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.028 V/µs 增益帶寬積:105kHz -3db帶寬:- 電流 - 輸入偏壓:3nA 電壓 - 輸入偏移:100µV 電流 - 電源:3.3µA 電流 - 輸出 / 通道:12mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 12 V，±1.35 V ~ 6 V 工作溫度:-40°C ~ 85°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:剪切帶 (CT) 其它名稱:OP481GRUZ-REELCT |
| LTC2050HVCS8#TR | 功能描述:IC OPAMP ZERO-DRIFT 8-SOIC RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 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:帶卷 (TR) |
| LTC2050HVCS8#TRPBF | 功能描述:IC OPAMP ZERO-DRIFT 8-SOIC RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 放大器類型:電壓反饋 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:33 V/µs 增益帶寬積:20MHz -3db帶寬:30MHz 電流 - 輸入偏壓:2nA 電壓 - 輸入偏移:3000µV 電流 - 電源:2.5mA 電流 - 輸出 / 通道:30mA 電壓 - 電源，單路/雙路(±):4.5 V ~ 16.5 V，±2.25 V ~ 8.25 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:帶卷 (TR) |
| LTC2050HVCS8-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Zero-Drift Operational Amplifi ers in SOT-23 |
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