參數(shù)資料
型號(hào)： MCP6024
廠商： Microchip Technology Inc.
元件分類： FPGA
英文描述： 300000 SYSTEM GATE 2.5 VOLT FPGA - NOT RECOMMENDED for NEW DESIGN
中文描述： 軌到軌輸入/輸出，10兆赫運(yùn)算放大器
文件頁(yè)數(shù)： 12/28頁(yè)
文件大?。?/td> 618K
代理商： MCP6024
MCP6021/2/3/4
DS21685B-page 12
2003 Microchip Technology Inc.
3.0
APPLICATIONS INFORMATION
The MCP6021/2/3/4 family of operational amplifiers
are fabricated on Microchip’s state-of-the-art CMOS
process. They are unity-gain stable and suitable for a
wide range of general-purpose applications.
3.1
Rail-to-Rail Input
The MCP6021/2/3/4 amplifier family is designed to not
exhibit phase inversion when the input pins exceed the
supply voltages. Figure 2-27 shows an input voltage
exceeding both supplies with no resulting phase
inversion.
The input stage of the MCP6021/2/3/4 family of devices
uses two differential input stages in parallel; one
operates at low common-mode input voltage (V
CM
),
while the other operates at high V
CM
. With this topology,
the device operates with V
CM
up to 0.3V past either
supply rail (V
SS
- 0.3V to V
DD
+ 0.3V) at 25°C. The
amplifier input behaves linearly as long as V
CM
is kept
within the specified V
CMR
limits. The input offset voltage
is measured at both V
CM
= V
SS
- 0.3V and V
DD
+ 0.3V
to ensure proper operation.
Input voltages that exceed the input voltage range
(V
CMR
) can cause excessive current to flow in or out of
the input pins. Current beyond ±2 mA introduces
possible reliability problems. Thus, applications that
exceed this rating must externally limit the input current
with an input resistor (R
IN
), as shown in Figure 3-1.
FIGURE 3-1:
into an input pin.
R
IN
limits the current flow
3.2
Rail-to-Rail Output
The Maximum Output Voltage Swing is the maximum
swing possible under a particular output load.
According to the specification table, the output can
reach within 20 mV of either supply rail when
R
L
= 10 k
. See Figure 2-31 and Figure 2-34 for more
information concerning typical performance.
3.3
MCP6023 Chip Select (CS)
The MCP6023 is a single amplifier with chip select
(CS). When CS is high, the supply current is less than
10 nA (typ) and travels from the CS pin to V
SS
, with the
amplifier output being put into a high-impedance state.
When CS is low, the amplifier is enabled. If CS is left
floating, the amplifier will not operate properly.
Figure 1-1 and Figure 2-39 show the output voltage
and supply current response to a CS pulse.
3.4
MCP6021 and MCP6023 Reference
Voltage
The single op amps (MCP6021 and MCP6023) have
an internal mid-supply reference voltage connected to
the V
REF
pin (see Figure 3-2). The MCP6021 has CS
internally tied to V
SS
, which always keeps the op amp
on and always provides a mid-supply reference. With
the MCP6023, taking the CS pin high conserves power
by shutting down both the op amp and the V
REF
circuitry. Taking the CS pin low turns on the op amp and
V
REF
circuitry.
FIGURE 3-2:
circuit (MCP6021 and MCP6023 only).
Simplified internal V
REF
See Figure 3-3 for a non-inverting gain circuit using the
internal mid-supply reference. The DC-blocking
capacitor (C
B
) also reduces noise by coupling the op
amp input to the source.
FIGURE 3-3:
using V
REF
(MCP6021 and MCP6023 only).
Non-inverting gain circuit
V
IN
R
IN
V
OUT
MCP602X
R
IN
≥
(Maximum expected
V
IN
) -
V
DD
2 mA
V
SS
- (Minimum expected
V
IN
)
2 mA
R
IN
≥
V
DD
V
SS
V
REF
CS
50 k
50 k
(CS tied internally to V
SS
for MCP6021)
V
IN
R
G
R
F
V
OUT
C
B
V
REF
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MCP6024-E/MS 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Rail-to-Rail Input/Output, 10 MHz Op Amps
MCP6024-E/OT 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Rail-to-Rail Input/Output, 10 MHz Op Amps
MCP6024-E/P 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad 2.5V 10MHz 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(bǔ)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
MCP6024-E/SL 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad 2.5V 10MHz 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(bǔ)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
MCP6024-E/SN 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Rail-to-Rail Input/Output, 10 MHz Op Amps
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