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| 型號： | MCP6031 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 0.9 uA, High Precision Op Amps |
| 中文描述： | 0.9微安，高精度運算放大器 |
| 文件頁數(shù)： | 13/30頁 |
| 文件大?。?/td> | 870K |
| 代理商： | MCP6031 |
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2007 Microchip Technology Inc.
DS22041A-page 13
MCP6031/2/3/4
3.0
PIN DESCRIPTIONS
Descriptions of the pins are listed in
Table 3-1
.
TABLE 3-1:
PIN FUNCTION TABLE
3.1
Analog Outputs
The output pins are low-impedance voltage sources.
3.2
Analog Inputs
The non-inverting and inverting inputs are high-
impedance CMOS inputs with low bias currents.
3.3
Chip Select Input (CS)
This is a CMOS, Schmitt-trigerred input that places the
MCP6033 op amp into a low-power mode of operation.
3.4
Power Supply (V
SS
and V
DD
)
The positive power supply (V
DD
) is 1.8V to 5.5V higher
than the negative power supply (V
SS
). For normal
operation, the other pins are at voltages 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 (typically 0.01 μF to
0.1 μF) within 2 mm of the V
DD
pin. These parts can
share a bulk capacitor with analog parts (typically
2.2 μF to 10 μF) within 100 mm of the V
DD
pin, but it is
not required.
MCP6031
MCP6032
MCP6033
MCP6034
Symbol
Description
6
1
6
1
V
OUT
, V
OUTA
V
IN
–, V
INA
–
V
IN
+, V
INA
+
V
DD
V
INB
+
Analog Output (op amp A)
2
2
2
2
Inverting Input (op amp A)
3
3
3
3
Non-inverting Input (op amp A)
7
8
7
4
Positive Power Supply
—
5
—
5
Non-inverting Input (op amp B)
—
6
—
6
V
INB
–
V
OUTB
V
OUTC
V
INC
–
V
INC
+
V
SS
V
IND
+
V
IND
–
V
OUTD
CS
Inverting Input (op amp B)
—
7
—
7
Analog Output (op amp B)
—
—
—
8
Analog Output (op amp C)
—
—
—
9
Inverting Input (op amp C)
—
—
—
10
Non-inverting Input (op amp C)
4
4
4
11
Negative Power Supply
—
—
—
12
Non-inverting Input (op amp D)
—
—
—
13
Inverting Input (op amp D)
—
—
—
14
Analog Output (op amp D)
—
—
8
—
Chip Select
1, 5, 8
—
1, 5
—
NC
No Internal Connection
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