Overview
The MAT14ARZ-RL, produced by Analog Devices Inc., is a quad monolithic NPN transistor designed for precision amplifier and nonlinear circuit applications. This device offers excellent parametric matching, making it ideal for use in log and antilog circuits, as well as other applications requiring low noise and high gain. The MAT14ARZ-RL features high current gain, low offset voltage, and tight current gain matching, ensuring precise and consistent performance in various electronic systems.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 14-Lead SOIC |
| Operating Temperature Range | -40°C to +85°C |
| Collector Current | 30 mA |
| Collector-Emitter Voltage | 40 V |
| Current Gain (β) | 300 minimum |
| Current Gain Match | 4% maximum |
| Offset Voltage | 400 μV maximum |
| Voltage Noise Density at 100 Hz, 1 mA | 3 nV/√Hz maximum |
| Bulk Resistance (rBE) | 0.6 Ω maximum |
| Thermal Resistance (θJA) | 115 °C/W |
Key Features
- Precise amplifier operation with high current gain (300 minimum) over a wide range of collector current.
- Low offset voltage of 100 μV typical and 400 μV maximum.
- Tight current gain matching to within 4%.
- Low voltage noise density at 100 Hz, 1 mA (3 nV/√Hz maximum).
- Excellent logarithmic conformance with bulk resistance (rBE) = 0.6 Ω maximum.
- Guaranteed matching for all transistors, including offset voltage, input offset current, and gain match.
- Protection diodes across the base-emitter junction to prevent degradation of beta and matching characteristics.
Applications
- Low noise op amp front end.
- Current mirror and current sink/source.
- Low noise instrumentation amplifiers.
- Voltage controlled attenuators.
- Log amplifiers.
- Low power sensor interfaces.
- EMI/RFI filters for precision circuits.
Q & A
- Q: What is the MAT14ARZ-RL used for?
A: The MAT14ARZ-RL is used in precision amplifier and nonlinear circuit applications, including log and antilog circuits, low noise op amp front ends, current mirrors, and instrumentation amplifiers.
- Q: What is the typical offset voltage of the MAT14ARZ-RL?
A: The typical offset voltage is 100 μV, with a maximum of 400 μV.
- Q: What is the minimum current gain of the MAT14ARZ-RL?
A: The minimum current gain is 300.
- Q: What is the maximum voltage noise density at 100 Hz, 1 mA?
A: The maximum voltage noise density is 3 nV/√Hz.
- Q: What is the operating temperature range of the MAT14ARZ-RL?
A: The operating temperature range is -40°C to +85°C.
- Q: What package type is the MAT14ARZ-RL available in?
A: The MAT14ARZ-RL is available in a 14-Lead SOIC package.
- Q: How does the MAT14ARZ-RL ensure long-term stability of matching parameters?
A: The long-term stability is ensured by protection diodes across the base-emitter junction of each transistor, preventing degradation due to reverse bias or base-emitter current.
- Q: What are some common applications of the MAT14ARZ-RL?
A: Common applications include low noise op amp front ends, current mirrors, low noise instrumentation amplifiers, voltage controlled attenuators, and log amplifiers.
- Q: What is the thermal resistance (θJA) of the MAT14ARZ-RL?
A: The thermal resistance (θJA) is 115 °C/W.
- Q: Is the MAT14ARZ-RL RoHS compliant?
A: Yes, the MAT14ARZ-RL is RoHS compliant.
