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| 型號(hào)： | MCP6S22 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | Single-Ended, Rail-to-Rail I/O, Low Gain PGA |
| 中文描述： | 單端，軌至軌I / O，低增益美國(guó)PGA |
| 文件頁(yè)數(shù)： | 15/43頁(yè) |
| 文件大?。?/td> | 880K |
| 代理商： | MCP6S22 |
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2003 Microchip Technology Inc.
DS21117A-page 15
MCP6S21/2/6/8
3.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
PIN FUNCTION TABLE
3.1
Analog Output
The output pin (V
OUT
) is a low-impedance voltage
source. The selected gain (G), selected input (CH0-
CH7) and voltage at V
REF
determine its value.
3.2
Analog Inputs (CH0 thru CH7)
The inputs CH0 through CH7 connect to the signal
sources. They are high-impedance CMOS inputs with
low bias currents. The internal MUX selects which one
is amplified to the output.
3.3
External Reference Voltage (V
REF
)
The V
REF
pin should be at a voltage between V
SS
and
V
DD
(the MCP6S22 has V
REF
tied internally to V
SS
).
The voltage at this pin shifts the output voltage.
3.4
Power Supply (V
SS
and V
DD
)
The positive power supply pin (V
DD
) is 2.5V to 5.5V
higher than the negative power supply pin (V
SS
). For
normal operation, the other pins are between V
SS
and
V
DD
.
Typically, these parts are used in a single (positive)
supply configuration. In this case, V
SS
is connected to
ground and V
DD
is connected to the supply. V
DD
will
need a local bypass capacitor (0.1 μF) at the V
DD
pin.
It can share a bulk capacitor with nearby analog parts
(typically 2.2 μF to 10 μF within 4 inches (100 mm) of
the V
DD
pin.
3.5
Digital Inputs
The SPI interface inputs are: Chip Select (CS), Serial
Input (SI) and Serial Clock (SCK). These are Schmitt-
triggered, CMOS logic inputs.
3.6
Digital Output
The MCP6S26 and MCP6S28 devices have a SPI
interface serial output (SO) pin. This is a CMOS push-
pull output and does not ever go High-Z. Once the
device is deselected (CS goes high), SO is forced low.
This feature supports daisy chaining, as explained in
Section 5.3, “Daisy Chain Configuration”.
MCP6S21
MCP6S22
MCP6S26
MCP6S28
Symbol
Description
1
2
—
—
—
—
—
—
—
3
4
5
6
—
7
8
1
2
3
—
—
—
—
—
—
—
4
5
6
—
7
8
1
2
3
4
5
6
7
—
—
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
V
OUT
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
V
REF
V
SS
CS
SI
SO
SCK
V
DD
Analog Output
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
Analog Input
External Reference Pin
Negative Power Supply
SPI Chip Select
SPI Serial Data Input
SPI Serial Data Output
SPI Clock Input
Positive Power Supply
10
11
12
13
14
15
16
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相關(guān)代理商/技術(shù)參數(shù) |
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| MCP6S22DM-PICTL | 功能描述:放大器 IC 開(kāi)發(fā)工具 MCP6S22 PGA PICtail Demo Board RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| MCP6S22-I/MS | 功能描述:特殊用途放大器 2-Chan. 12 MHz SPI RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| MCP6S22-I/P | 功能描述:特殊用途放大器 2-Chan. 12 MHz SPI RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| MCP6S22-I/SN | 功能描述:特殊用途放大器 2-Chan. 12 MHz SPI RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| MCP6S22T-I/MS | 功能描述:特殊用途放大器 2-Chan. 12 MHz SPI RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
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