Instrumentation Amplifier
MCP6N11
500 kHz, 800 µA Instrumentation Amplifier
Features
• Rail-to-Rail Input and Output • Gain Set by 2 External Re...
Description
MCP6N11
500 kHz, 800 µA Instrumentation Amplifier
Features
Rail-to-Rail Input and Output Gain Set by 2 External Resistors Minimum Gain (GMIN) Options:
1, 2, 5, 10 or 100 V/V Common Mode Rejection Ratio (CMRR): 115 dB
(typical, GMIN = 100) Power Supply Rejection Ratio (PSRR): 112 dB
(typical, GMIN = 100) Bandwidth: 500 kHz (typical, Gain = GMIN) Supply Current: 800 μA/channel (typical) Single Channel Enable/VOS Calibration pin: (EN/CAL) Power Supply: 1.8V to 5.5V Extended Temperature Range: -40°C to +125°C
Typical Applications
High Side Current Sensor Wheatstone Bridge Sensors Difference Amplifier with Level Shifting Power Control Loops
Design Aids
Microchip Advanced Part Selector (MAPS) Demonstration Board Application Notes
Block Diagram
VOUT RF
RG VREF
VIP
VIM
VOUT VFG
RM4
I4
VDD VSS
VREF
VIP VIM
GM2 GM1
I2 Σ I1
I3
GM3 VTR
POR
Low Power VOS Calibration
EN/CAL
Description
Microchip Technology Inc. offers the single MCP6N11 instrumentation amplifier (INA) with Enable/VOS Calibration pin (EN/CAL) and several minimum gain options. It is optimized for single-supply operation with rail-to-rail input (no common mode crossover distortion) and output performance.
Two external resistors set the gain, minimizing gain error and drift-over temperature. The reference voltage (VREF) shifts the output voltage (VOUT).
The supply voltage range (1.8V to 5.5V) is low enough to support many portable applications. All devices are fully specified ...
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