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參數(shù)資料
| 型號(hào)： | LTC6800HMS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運(yùn)動(dòng)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(yè)數(shù)： | 8/12頁(yè) |
| 文件大?。?/td> | 208K |
| 代理商： | LTC6800HMS8 |
LTC6800
8
6800fa
where V
+IN
and V
–IN
are the voltages of the +IN and –IN
pins respectively, V
REF
is the voltage at the REF pin and V
+
is the positive supply voltage.
For example, with a 3V single supply and a 0V to 100mV
differential input voltage, V
REF
must be between 0V and
1.6V.
Settling Time
The sampling rate is 3kHz and the input sampling period
during which C
S
is charged to the input differential voltage
V
IN
is approximately 150
μ
s. First assume that on each
input sampling period, C
S
is charged fully to V
IN
. Since
C
S
= C
H
(= 1000pF), a change in the input will settle to N
bits of accuracy at the op amp noninverting input after N
clock cycles or 333
μ
s(N). The settling time at the OUT pin
is also affected by the settling of the internal op amp.
Since the gain bandwidth of the internal op amp is
typically 200kHz, the settling time is dominated by the
switched capacitor front end for gains below 100 (see
Typical Performance Characteristics).
APPLICATIU
Theory of Operation
The LTC6800 uses an internal capacitor (C
S
) to sample a
differential input signal riding on a DC common mode
voltage (see Block Diagram). This capacitor’s charge is
transferred to a second internal hold capacitor (C
H
) trans-
lating the common mode of the input differential signal to
that of the REF pin. The resulting signal is amplified by a
zero-drift op amp in the noninverting configuration. The
RG pin is the negative input of this op amp and allows
external programmability of the DC gain. Simple filtering
can be realized by using an external capacitor across the
feedback resistor.
W
U
U
Input Voltage Range
The input common mode voltage range of the LTC6800 is
rail-to-rail. However, the following equation limits the size
of the differential input voltage:
V
–
≤
(V
+IN
– V
–IN
) + V
REF
≤
V
+
– 1.3
–
+
–
+
V
D
V
+IN
V
–IN
3
8
5V
4
5
6
7
2
6800 F01
0V < V
+IN
< 5V
0V < V
–IN
< 5V
0V < V
D
< 3.7V
V
OUT
= V
D
SINGLE SUPPLY, UNITY GAIN
Figure 1
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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(yè)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 |
| LTC6801 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Multicell Battery Stack Monitor |
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