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參數(shù)資料
| 型號： | LTC6800HMS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | Single Supply, Rail-to-Rail, Low Cost Instrumentation Amplifier |
| 中文描述： | INSTRUMENTATION AMPLIFIER, 100 uV OFFSET-MAX, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大小： | 208K |
| 代理商： | LTC6800HMS8 |
LTC6800
9
6800fa
APPLICATIU
Input Current
Whenever the differential input V
IN
changes, C
H
must be
charged up to the new input voltage via C
S
. This results in
an input charging current during each input sampling
period. Eventually, C
H
and C
S
will reach V
IN
and, ideally,
the input current would go to zero for DC inputs.
In reality, there are additional parasitic capacitors which
disturb the charge on C
S
every cycle even if V
IN
is a DC
voltage. For example, the parasitic bottom plate capacitor
on C
S
must be charged from the voltage on the REF pin to
the voltage on the –IN pin every cycle. The resulting input
charging current decays exponentially during each input
sampling period with a time constant equal to R
S
C
S
.
If the
voltage disturbance due to these currents settles before
the end of the sampling period, there will be no errors
due to source resistance or the source resistance mis-
match between –IN and +IN. With R
S
less than 10k, no
DC errors occur due to this input current.
W
U
U
In the Typical Performance Characteristics section of this
data sheet, there are curves showing the additional error
from nonzero source resistance in the inputs. If there are
no large capacitors across the inputs, the amplifier is less
sensitive to source resistance and source resistance mis-
match. When large capacitors are placed across the in-
puts, the input charging currents described above result in
larger DC errors, especially with source resistor mis-
matches.
Power Supply Bypassing
The LTC6800 uses a sampled data technique and therefore
contains some clocked digital circuitry. It is therefore sen-
sitive to supply bypassing. A 0.1
μ
F ceramic capacitor must
be connected between Pin8 (V
+
) and Pin 4 (V
–
) with leads
as short as possible.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC6800HMS8#PBF | 功能描述:IC INSTRUMENT AMP R-R I/O 8MSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產(chǎn)品培訓(xùn)模塊:Differential Circuit Design Techniques for Communication Applications 標(biāo)準(zhǔn)包裝:1 系列:- 放大器類型:RF/IF 差分 電路數(shù):1 輸出類型:差分 轉(zhuǎn)換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應(yīng)商設(shè)備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產(chǎn)品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| LTC6800HMS8#TR | 功能描述:IC OP AMP INSTR R-R I/O 8-MSOP 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) |
| LTC6800HMS8#TRPBF | 功能描述:IC INSTRUMENT AMP R-R I/O 8MSOP 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) |
| LTC6800HMS8PBF | 制造商:Linear Technology 功能描述:Instrumentation Amp RRIO 5.5V MSOP8 |
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