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| MCP6291 Datasheet, PDF (17/25 Pages) Microchip Technology – 1.0 mA, 10 MHz Rail-to-Rail Op Amp | |||
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9 Application and Implementation
MCP6291, MCP6292, MCP6294
SBOS879 â JULY 2017
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TIâs customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
9.1 Application Information
The MCP629x series features 10-MHz bandwidth and 6.5-V/µs slew rate with only 600-µA of supply current per
channel, providing good ac performance at very-low-power consumption. DC applications are well served with a
very-low input noise voltage of 8.7 nV / âHz at 10 kHz, low input bias current, and a typical input offset voltage of
0.3 mV.
9.2 Typical Application
Figure 33 shows the MCP629x configured in a low-side, motor-control application.
Vbus
Iload
Zload
5V
VSHUNT
Rshunt
0.1
MCP629x
VOUT
RF
165k
RG
3.4k
Figure 33. MCP629x in a Low-Side, Motor-Control Application
9.2.1 Design Requirements
The design requirements for this design are:
⢠Load current: 0 A to 1 A
⢠Output voltage: 4.95 V
⢠Maximum shunt voltage: 100 mV
Copyright © 2017, Texas Instruments Incorporated
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Product Folder Links: MCP6291 MCP6292 MCP6294
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