- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄296503 > MCP6142-E/MS DUAL OP-AMP, 3000 uV OFFSET-MAX, 0.1 MHz BAND WIDTH, PDSO8 PDF資料下載
參數(shù)資料
| 型號： | MCP6142-E/MS |
| 元件分類： | 運算放大器 |
| 英文描述： | DUAL OP-AMP, 3000 uV OFFSET-MAX, 0.1 MHz BAND WIDTH, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 11/38頁 |
| 文件大?。?/td> | 633K |
| 代理商： | MCP6142-E/MS |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁當前第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁
2009 Microchip Technology Inc.
DS21668D-page 19
MCP6141/2/3/4
4.9
Application Circuits
4.9.1
BATTERY CURRENT SENSING
The MCP6141/2/3/4 op amps’ Common Mode Input
Range, which goes 0.3V beyond both supply rails,
supports their use in high side and low side battery
current sensing applications. The very low quiescent
current (0.6 A, typical) help prolong battery life, and
the rail-to-rail output supports detection low currents.
Figure 4-10 shows a high side battery current sensor
circuit. The 1 k
Ω resistor is sized to minimize power
losses. The battery current (IDD) through the 1 kΩ
resistor causes its top terminal to be more negative
than the bottom terminal. This keeps the common
mode input voltage of the op amp below VDD, which is
within its allowed range. When no current is flowing, the
output will be at its Maximum Output Voltage Swing
(VOH), which is virtually at VDD.
.
FIGURE 4-10:
High Side Battery Current
Sensor.
4.9.2
INVERTING SUMMING AMPLIFIER
The MCP6141/2/3/4 op amp is well suited for the
inverting summing amplifier shown in Figure 4-11 when
the resistors at the input (R1, R2, and R3) make the
noise gain at least 10 V/V. The output voltage (VOUT) is
a weighted sum of the inputs (V1, V2, and V3), and is
shifted by the VREF input. The necessary calculations
follow in Equation 4-3.
.
FIGURE 4-11:
Summing Amplifier.
EQUATION 4-3:
VDD
IDD
MCP6141
100 k
Ω
1M
Ω
1.4V
VOUT
1k
Ω
to
6.0V
V
OUT
V
DD
1 k
Ω
() 11 V/V
()I
DD
–
=
MCP614X
VOUT
RF
R3
V3
R2
V2
R1
V1
VREF
G
N
1R
F
1
R
1
------
1
R
2
------
1
R
3
------
++
10 V/V
≥
+
=
Noise Gain:
Output Signal:
V
OUT
V
1G1
V
2G2
V
3G3
V
REFGN
+++
=
G
1
R
F R1
–
=
Signal Gains:
G
2
R
F R2
–
=
G
3
R
F R3
–
=
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MCP631-E/SN | OP-AMP, 8000 uV OFFSET-MAX, 24 MHz BAND WIDTH, PDSO8 |
| MCP631T-E/SN | OP-AMP, 8000 uV OFFSET-MAX, 24 MHz BAND WIDTH, PDSO8 |
| MCP73832-4ADI/OT | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| MCP73832-5DCI/MC | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| MCR264-4-AC | 40 A, 200 V, SCR, TO-220AB |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP6142-I/MS | 功能描述:運算放大器 - 運放 G>10 Dl 1.6V 100kHz RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MCP6142-I/P | 功能描述:運算放大器 - 運放 G>10 Dl 1.6V 100kHz RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MCP6142-I/P | 制造商:Microchip Technology Inc 功能描述:IC OP-AMP DUAL LOW-POWER RRI/O |
| MCP6142-I/SN | 功能描述:運算放大器 - 運放 G>10 Dl 1.6V 100kHz RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MCP6142-I/SN | 制造商:Microchip Technology Inc 功能描述:Operational Amplifier (Op-Amp) IC |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。