Key Features of the MCP6004
The MCP6004 offers several key features that make it an attractive choice for various analog circuit designs:
- Low power consumption: The MCP6004 operates with a supply current of just 100 µA (typical) per op-amp, making it ideal for battery-powered and portable applications.
- Wide supply voltage range: It can operate with a single supply voltage ranging from 1.8V to 6.0V, or dual supplies ranging from ±0.9V to ±3.0V.
- Rail-to-rail input and output: The op-amp’s input and output can swing rail-to-rail, providing maximum dynamic range and flexibility in circuit design.
- Low input bias current: With a typical input bias current of just 1 pA, the MCP6004 is suitable for high-impedance sensor interfaces and precision analog applications.
- Unity-gain stable: The op-amp is unity-gain stable, allowing for easy configuration as a voltage follower or buffer.
MCP6004 Specifications
Let’s take a closer look at some of the key specifications of the MCP6004:
Electrical Characteristics
| Parameter | Symbol | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage | VDD | 1.8 | – | 6.0 | V |
| Supply Current (per op-amp) | IDD | – | 100 | 175 | µA |
| Input Offset Voltage | VOS | – | ±1 | ±4 | mV |
| Input Bias Current | IB | – | ±1 | ±4 | pA |
| Input Voltage Range | VICM | VSS | – | VDD | V |
| Output Voltage Swing | VOH, VOL | VDD-100 | VDD-50 | – | mV |
| – | VSS+50 | VSS+100 | mV | ||
| Slew Rate | SR | – | 0.1 | – | V/µs |
| Gain-Bandwidth Product | GBP | – | 1 | – | MHz |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Units |
|---|---|---|---|---|
| Supply Voltage | VDD | -0.3 | 6.5 | V |
| Input Voltage | VIN | -0.3 | VDD+0.3 | V |
| Output Short-Circuit Duration (to VSS or VDD) | – | – | Unlimited | – |
| Operating Temperature Range | TA | -40 | 125 | °C |
| Storage Temperature Range | TSTG | -65 | 150 | °C |
Typical Applications
The MCP6004’s low power consumption, wide supply voltage range, and rail-to-rail input/output make it suitable for a variety of applications, including:
- Battery-powered and portable devices
- Sensor interfaces (e.g., thermocouples, strain gauges, pH sensors)
- Analog signal conditioning and filtering
- Precision instrumentation and measurement systems
- Automotive and industrial control systems
Application Circuit Example: Non-Inverting Amplifier
One common application of the MCP6004 is as a non-inverting amplifier. The following circuit demonstrates how to configure the op-amp for this purpose:
+VDD
|
+-+
| |
| | R2
| |
+-+
|
Vin ---+ +--- Vout
| |
+-+ +-+
| | |
| | | MCP6004
+-+ |
| |
R1 +---- -VSS
| |
+-+ |
| | |
| | |
+-+ +-+
| |
GND GND
The gain of the non-inverting amplifier is given by:
Gain = 1 + (R2 / R1)
By selecting appropriate values for R1 and R2, you can achieve the desired gain for your application.
Frequently Asked Questions (FAQ)
-
What is the power consumption of the MCP6004?
The MCP6004 has a typical supply current of 100 µA per op-amp, making it a low-power option for battery-powered and portable applications. -
Can the MCP6004 operate with a single supply voltage?
Yes, the MCP6004 can operate with a single supply voltage ranging from 1.8V to 6.0V, as well as dual supplies ranging from ±0.9V to ±3.0V. -
Is the MCP6004 unity-gain stable?
Yes, the MCP6004 is unity-gain stable, allowing it to be easily configured as a voltage follower or buffer. -
What is the input voltage range of the MCP6004?
The MCP6004’s input voltage range extends from the negative supply voltage (VSS) to the positive supply voltage (VDD), enabling rail-to-rail input operation. -
What are some typical applications for the MCP6004?
The MCP6004 is well-suited for applications such as battery-powered devices, sensor interfaces, analog signal conditioning, precision instrumentation, and automotive/industrial control systems.
Conclusion
The MCP6004 is a versatile, low-power quad op-amp that offers excellent performance across a wide range of operating conditions. With its rail-to-rail input and output, low input bias current, and wide supply voltage range, the MCP6004 is an ideal choice for numerous analog circuit applications. By understanding the key features and specifications outlined in the MCP6004 Datasheet, designers can effectively incorporate this op-amp into their projects to achieve optimal results.
