Overview
The MAT14ARZ is a quad monolithic NPN transistor produced by Analog Devices Inc. It is designed for precision amplifier and nonlinear circuit applications, offering excellent parametric matching. The device features high gain, low noise, and excellent logarithmic conformance, making it an ideal choice for applications requiring high precision and low noise.
The MAT14ARZ is part of the MAT14 series, which is known for its high performance in various electronic systems. Each transistor in the MAT14ARZ is individually tested to meet the specified data sheet parameters, ensuring reliable and consistent performance.
Key Specifications
| Parameter | Symbol | Test Conditions/Comments | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Current Gain | hFE | 10 µA ≤ IC ≤ 1 mA, 0 V ≤ VCB ≤ 30 V | 300 | 600 | - | - |
| Current Gain Match | ΔhFE | IC = 100 µA | - | - | 4% | - |
| Offset Voltage | Vos | - | - | 100 µV | typical | |
| Noise Voltage Density | - | at 100 Hz, IC = 1 mA | - | - | 3 nV/√Hz | maximum |
| Package Type | - | - | - | - | SOIC-14 | - |
| Temperature Range | - | - | - | - | -40°C to 85°C | - |
Key Features
- High gain (minimum of 300) over a wide range of collector current.
- Low noise (3 nV/√Hz maximum at 100 Hz, IC = 1 mA).
- Excellent logarithmic conformance.
- Low offset voltage (100 µV typical).
- Tight current gain matching to within 4%.
- Protection diodes across the base-emitter junction to prevent degradation due to reverse bias.
- Long-term stability of matching parameters guaranteed.
Applications
- Low noise op amp front end.
- Current mirror and current sink/source.
- Low noise instrumentation amplifiers.
- Voltage controlled attenuators.
- Log amplifiers.
Q & A
- What is the MAT14ARZ?
The MAT14ARZ is a quad monolithic NPN transistor designed for precision amplifier and nonlinear circuit applications.
- What are the key specifications of the MAT14ARZ?
Key specifications include a minimum current gain of 300, low noise of 3 nV/√Hz at 100 Hz, and a low offset voltage of 100 µV typical.
- What package type does the MAT14ARZ come in?
The MAT14ARZ comes in a 14-lead SOIC package.
- What is the temperature range for the MAT14ARZ?
The device operates over an industrial temperature range of -40°C to 85°C.
- What applications is the MAT14ARZ suitable for?
The MAT14ARZ is suitable for low noise op amp front ends, current mirrors, low noise instrumentation amplifiers, voltage controlled attenuators, and log amplifiers.
- How is the long-term stability of the MAT14ARZ ensured?
The long-term stability is ensured by protection diodes across the base-emitter junction of each transistor, preventing degradation due to reverse bias.
- What is the current gain match for the MAT14ARZ?
The current gain match is within 4%.
- Is the MAT14ARZ RoHS compliant?
Yes, the MAT14ARZ is RoHS compliant.
- Where can I find CAD models and footprints for the MAT14ARZ?
CAD models, symbols, and footprints are available from sources like SnapEDA and the official Analog Devices website.
- What is the minimum and maximum supply voltage range for the MAT14ARZ?
The MAT14ARZ does not have a specified supply voltage range in the same way as operational amplifiers; it is a transistor array and its operation is based on collector-emitter voltage and current.
