MCP6001UT-E/OT

MCP6001UT-E/OT

Part Number: MCP6001UT-E/OT

Manufacturer: MICROCHIP

Description: IC OPAMP GP 1 CIRCUIT SOT23-5

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MCP6001UT-E/OT Description

Operational amplifiers (op amps) from the MCP6001/2/4 family from Microchip Technology, Inc. are made with versatility in mind. They have a phase margin of 90 degrees and a Gain Bandwidth Product (GBWP) of 1 MHz (typical). In addition, it maintains a usual phase margin of 45° with a capacitive load of 500 pF. This family can run on a supply as low as 1.8V and consumes only 100 A at rest. The MCP6001/2/4 also accommodates a wide input and output voltage swing of up to 300 millivolts in both directions (from VDD + 300 mV to VSS – 300 mV for standard mode input). The state-of-the-art CMOS technique from Microchip was used to create this group of op-amps. The MCP6001/2/4 family, developed for industrial and extended-temperature settings, supports power supply voltages from 1.8V to 6.0V.

MCP6001UT-E/OT Features

  • These components are offered in both 5-lead SC-70 and 5-lead SOT-23 packages.
  • Product of Gain and Bandwidth, in MHz: 1 (typical).
  • Transmission and reception of data directly between rails.
  • The input voltage ranges from 1. 8V to 6.
  • Input Qualified Amperage: 100 A (typical).
  • There is a 90-degree phase difference (typical).

MCP6001UT-E/OT Applications

  • Automotive
  • Portable Equipment
  • Photodiode Amplifier
  • Analog Filters
  • Notebooks and PDAs
  • Battery-Powered Systems

Application Information

Microchip’s state-of-the-art CMOS manufacturing process goes into producing the MCP6001/2/4 series of op-amps, which are optimized for low-cost, low-power, and general-purpose use. The MCP6001/2/4 is well-suited for battery-operated devices due to its low supply voltage, low quiescent current, and broad bandwidth. The substantial phase margin of these devices ensures their reliability under heavy capacitive loads.

Capacitive Loads

Voltage feedback op amps may lose stability while driving large capacitive loads. Closed-loop bandwidth is lowered, and the phase margin in the feedback loop is diminished with increasing load capacitance. This causes overshoot and ringing in the step response and gain peaking in the frequency response. The sensitivity to capacitive loads is greatest for a unity gain buffer (G = +1); however, this is not the case for other gains.

Supply Bypass

To get the most out of these operational amplifiers at high frequencies, a local bypass capacitor (i.e., 0.01 F to 0.1 F) should be positioned no more than 2 mm from the power supply pin (VDD for a single supply).

For the enormous, slow currents it requires, a bulk capacitor (i.e., 1 F or bigger) must be within 100 mm. Many of the analog components in the area can share this huge capacitor.

PCB Surface-Level Leakage PCB surface leakage effects must be taken into account in applications where a low input bias current is required. Humidity, dust, or other contaminants on the board induce surface leakage. A resistance of 1012 between two adjacent traces is common under dry conditions. The bias current of the MCP6001/1R/1U/2/4 family at +25°C is 4 pA; hence a 5V difference would cause 5 pA to flow (typically 1 pA).

Normal Operation

Dual differential CMOS input stages are used in tandem for the input stage of the MCP6001/1R/1U/2/4 op-amps. Both can be used with low or high Common-mode input voltage (VCM). This configuration allows the device to function with VCM as much as 0.3 volts (V) outside the supply voltage (VDD or VSS). Once VCM = VDD – 1.1V, the input stages are switched. Stay out of this range if you want low distortion and clean, noninverting gains.

Rail-to-Rail Output

The operating voltage range for the MCP6001/2/4 operational amplifiers is from VDD – 25 mV (lowest) to VSS + 25 mV (highest) when RL = 10 k is connected to VDD/2 and VDD = 5.5V.

Supply Bypass

This family of operational amplifiers performs best at high frequencies when a local bypass capacitor (i.e., 0.01 F to 0.1 F) is placed within 2 mm of the power supply pin (VDD for single supply). For the enormous, slow currents it requires, a bulk capacitor (i.e., 1 F or bigger) must be within 100 mm. Many of the analog components in the area can share this huge capacitor.

PCB Surface Leakage

PCB surface leakage effects must be considered when a low input bias current is required. Humidity, dust, or other contaminants on the board induce surface leakage. A resistance of 1012 between two adjacent traces is common under dry conditions. The bias current of the MCP6001/1R/1U/2/4 family at +25°C is 4 pA; hence a 5V difference would cause 5 pA to flow (typically 1 pA). Putting a protective ring around a pin is the most straightforward approach to lessen leaking at the surface (or traces). Similar to the voltage applied to the sensitive pin, a bias is applied to the guard ring.

Design Aids

Microchip supplies the essential design tools for the MCP6001/1R/1U/2/4 op amp series.

SPICE Macro Model

PSpice®, owned by OrCADTM (Cadence®), was used to draft and test the model. For the other simulators, translation may be required. The model encompasses numerous electrical characteristics of the op-amp. The model includes the voltage, current, and resistance of the op-amp and the temperature and noise impacts on the op-amp’s behavior.

The model has not been tested outside the range of specifications specified in the op-amp data sheet. The model’s behavior under these conditions cannot be guaranteed to match the actual op amp performance. In addition, the model is meant as a primary design tool. Bench testing is an essential component of any design that simulations cannot replace. In addition, this macro model’s simulation results must be validated by comparing them to the data sheet’s requirements and characteristic curves.

FilterLab® Software

The FilterLab® program from Microchip is an innovative software tool that simplifies the construction of active analog filters (using op-amps).

Mindi™ Circuit Designer and Analog Simulator

The MindiTM Circuit Designer and Analog Simulator from Microchip facilitates circuit design for active filters, amplifiers, and power management applications.

Analog Outputs

Voltage sources with a low impedance can be found on the output pins.

Analog Inputs

Both the inverting and noninverting inputs are low-bias-current, high-impedance CMOS inputs.

Power Supply Pins

The voltage difference between the positive (VDD) and negative (GND) supplies is between 1.8 and 6.0 volts (VSS). The rest of the pins should be between VSS and VDD for regular operation. As a rule, these components function best in a setup with a single power source. VSS is connected to the ground, while VDD is connected to the power source. Capacitors are needed as a bypass for VDD.

Exposed Thermal Pad (EP)

The Exposed Thermal Pad (EP) and the VSS pin are electrically coupled on the inside; therefore, they need to be at the same potential on the PCB for proper operation (PCB).

Final thoughts

The MCP6001UT-E/OT Operational Amplifier was developed with versatility in mind. Each member of this kin group boasts a Gain Bandwidth Product (GBWP) of 1 MHz and a 90° phase margin (typical). With a capacitive load of 500 pF, it keeps the phase margin at 45° (typical). This family may function on a supply voltage as low as 1.8V, with a typical quiescent current consumption of 100A. The MCP6001 also has a normal mode input voltage range of VDD +300mV to VSS -300mV and supports rail-to-rail input and output swing. The state-of-the-art CMOS technique from Microchip was used to create this group of op-amps. The MCP6001 family operates from 1.8 to 6.0V and features both industrial and extended temperature options.

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