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參數(shù)資料
| 型號(hào)： | LT1077CN8#PBF |
| 廠商： | Linear Technology |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC PREC OP-AMP MICRPWR SNGL 8DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 1 |
| 轉(zhuǎn)換速率： | 0.12 V/µs |
| 增益帶寬積： | 230kHz |
| 電流 - 輸入偏壓： | 7nA |
| 電壓 - 輸入偏移： | 25µV |
| 電流 - 電源： | 56µA |
| 電壓 - 電源，單路/雙路(±)： | 2.2 V ~ 30 V，±1.1 V ~ 15 V |
| 工作溫度： | 0°C ~ 70°C |
| 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 |
| 產(chǎn)品目錄頁(yè)面： | 1317 (CN2011-ZH PDF) |
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10
LT1077
1077fa
APPLICATIO S I FOR ATIO
WU
UU
resistors.) When the output is high the pull-down resistor
draws 80A which dominates the micropower current
budget. This situation is much worse in the gain of one
circuit with V–=0V. At 100V common mode, the output has
to sink 2A. At a minimum output voltage of 20mV
competing devices require a 10k pull-down resistor. As
the output now swings to 10V, this resistor draws 1mA of
current.
Since the output of the LT1077 cannot go exactly to
ground, but can only approach ground to within a few
millivolts, care should be exercised to ensure that the
output is not saturated. For example, a 1mV input signal
will cause the amplifier to set up in its linear region in the
gain 100 configuration shown below; however, it is not
enough to make the amplifier function properly in the
voltage follower mode.
Voltage Follower with Input Exceeding the Negative Common Mode Range (VS = 5V, 0V)
Single supply operation can also create difficulties at the
input. The driving signal can fall below 0V—inadvertently
or on a transient basis. If the input is more than a few
hundred millivolts below ground, two distinct problems
can occur on previous single supply designs, such as the
LM124, LM158, OP-20, OP-21, OP-220, OP-221, OP-420
(a and b), OP-90/290/490 (b only):
a) When the input is more than a diode drop below
ground, unlimited current will flow from the substrate
(V – terminal) to the input (this can destroy the unit). On the
LT1077, resistors in series with the input protect the
device even when the input is 5V below ground.
b) When the input is more than 400mV below ground
(at 25°C), the input stage saturates and phase reversal
occurs at the output (this can cause lock-up in servo
systems). Due to a unique phase reversal protection
circuitry, the LT1077’s output does not reverse, as
illustrated below, even when the input is at – 1.0V.
100mV
1mV
99R
5V
R
+
–
OUTPUT
SATURATED
≈ 3.5mV
1mV
5V
+
–
LT1077 AI01
Gain 100 Amplifier
Voltage Follower
1ms/DIV
2V
1ms/DIV
2V
4V
0
LT1077
NO PHASE REVERSAL
OP-90
EXHIBITS OUTPUT
PHASE REVERSAL
1ms/DIV
6VP-P INPUT
–1.0 TO 5.0V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1077IN8 | 功能描述:IC PREC OP-AMP MICRPWR SNGL 8DIP 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(yè)面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
| LT1077IN8#PBF | 功能描述:IC PREC OP-AMP MICRPWR SNGL 8DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)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 |
| LT1077IN8#PBF | 制造商:Linear Technology 功能描述:IC OP-AMP SINGLE 230KHZ 0. 制造商:Linear Technology 功能描述:IC, OP-AMP, SINGLE, 230KHZ, 0.08V/s, 40 |
| LT1077IN8PBF | 制造商:Linear Technology 功能描述:Op Amp General Purpose +/-22V/44V PDIP8 |
| LT1077IS8 | 功能描述:IC PREC OP-AMP MCRPWR SNGL 8SOIC 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(yè)面:865 (CN2011-ZH PDF) 其它名稱:296-1834296-1834-5 |
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