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參數(shù)資料
| 型號： | LTC6800HMS8 |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 14/14頁 |
| 文件大小： | 0K |
| 描述： | IC INSTRUMENT AMP R-R I/O 8MSOP |
| 標準包裝： | 50 |
| 放大器類型： | 儀表 |
| 電路數(shù)： | 1 |
| 輸出類型： | 滿擺幅 |
| 轉換速率： | 0.2 V/µs |
| 增益帶寬積： | 200kHz |
| 電流 - 輸入偏壓： | 4nA |
| 電壓 - 輸入偏移： | 100µV |
| 電流 - 電源： | 1.3mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-MSOP |
| 包裝： | 管件 |
LTC6800
6800fb
Input Current
Whenever the differential input VIN changes, CH must be
charged up to the new input voltage via CS. This results
in an input charging current during each input sampling
period. Eventually, CH and CS will reach VIN and, ideally,
the input current would go to zero for DC inputs.
In reality, there are additional parasitic capacitors which
disturb the charge on CS every cycle even if VIN is a DC
voltage. For example, the parasitic bottom plate capacitor
on CS 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 RSCS.
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
mismatch between –IN and +IN. With RS less than 10k,
no DC errors occur due to this input current.
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
mismatch. When large capacitors are placed across the
inputs, the input charging currents previously described
result in larger DC errors, especially with source resistor
mismatches.
Power Supply Bypassing
TheLTC6800usesasampleddatatechniqueand,therefore,
contains some clocked digital circuitry. It is, therefore,
sensitive to supply bypassing. A 0.1F ceramic capacitor
must be connected between Pin 8 (V+) and Pin 4 (V–) with
leads as short as possible.
applicaTions inForMaTion
–
+
–
+
VIN
V+IN
VOUT
V–IN
3
8
5V
4
5
6
7
2
–
+
–
+
VIN
V+IN
VOUT
V–IN
VREF
3
8
5V
0V < V–IN < 5V AND V–IN – VREF < 5.5V
0V < V+IN < 5V AND V+IN – VREF < 5.5V
0V < VIN + VREF < 3.7V
UNITY GAIN
–
+
–
+
VIN
V+IN
VOUT
V–IN
3
8
5V
4
5
6
7
2
0V < V+IN < 5V
0V < V–IN < 5V
0V < VIN < 3.7V
VOUT = VIN
UNITY GAIN
NONUNITY GAIN
4
5
6 R2
R1
7
2
VOUT = 1 +
VIN + VREF
R2
R1
0V < V–IN < 5V AND V–IN – VREF < 5.5V
0V < V+IN < 5V AND V+IN – VREF < 5.5V
0V < VIN + VREF < 3.7V
VOUT = VIN + VREF
–
+
–
+
VIN
V+IN
VOUT
V–IN
3
6800 F01
8
0V < V–IN < 5V AND V–IN – VREF < 5.5V
0V < V+IN < 5V AND V+IN – VREF < 5.5V
0V < VIN + VREF < 3.7V
NONUNITY GAIN
4
5
6 R2
R1
7
2
VOUT = 1 +
(VIN + VREF)
R2
R1
Figure 1
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相關代理商/技術參數(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:- 產品培訓模塊:Differential Circuit Design Techniques for Communication Applications 標準包裝: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 供應商設備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產品目錄頁面: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:- 標準包裝: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） 供應商設備封裝: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:- 標準包裝: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） 供應商設備封裝:14-SOIC 包裝:帶卷 (TR) |
| LTC6800HMS8PBF | 制造商:Linear Technology 功能描述:Instrumentation Amp RRIO 5.5V MSOP8 |
| LTC6801 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Multicell Battery Stack Monitor |
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