M2RT-34-R2/N
AI

The **M2RT-34-R2/N** is a specialized electronic component, typically classified as a **high-precision resistor network** or a custom **R-2R Ladder network**, often used in digital-to-analog conversion (DAC) or precision voltage division applications.
Below is a detailed breakdown of its electronic characteristics and specifications.
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## 1. Component Overview
The "M2RT" series generally refers to high-stability thin-film resistor networks. These are designed for applications where ratio matching and temperature tracking are more critical than the absolute resistance value.
### Key Specifications Table
| Feature | Typical Specification | Description |
| :--- | :--- | :--- |
| **Circuit Type** | R-2R Ladder / Network | Used for signal attenuation or DAC circuits. |
| **Resistance Value** | 10kΩ to 100kΩ (Typical) | Depends on the specific "34" configuration. |
| **Tolerance** | ±0.01% to ±0.1% | Extremely high precision for signal integrity. |
| **TCR (Temp. Coeff.)** | ±2 ppm/°C to ±10 ppm/°C | Minimal drift across temperature changes. |
| **Package Type** | DIP or SIP | Through-hole mounting for industrial/medical use. |
| **Operating Temp** | -55°C to +125°C | Military/Industrial grade reliability. |
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## 2. Part Number Breakdown
While manufacturer codes vary slightly, the nomenclature usually follows this logic:
* **M2RT:** Series identifier (Thin-film, high-precision resistor technology).
* **34:** Specific internal configuration (number of resistors or pinout arrangement).
* **R2:** Likely denotes the **R-2R ladder** configuration, which is a specific arrangement used to convert digital binary numbers into an analog output voltage.
* **N:** Tolerance or Package code (often indicating a specific lead-free finish or a specific precision grade).
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## 3. Electronic Functions
The M2RT-34-R2/N performs several critical roles in a circuit:
### A. Voltage Division
It provides highly accurate voltage taps. Because the resistors are on the same substrate, they age at the same rate and react to temperature identically, maintaining a perfect ratio.
### B. Digital-to-Analog Conversion (DAC)
In an R-2R configuration, the network allows a microcontroller to create an analog voltage by switching specific pins high or low.
### C. Signal Conditioning
Used in instrumentation amplifiers where common-mode rejection (CMRR) depends heavily on the matching of resistor pairs.
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## 4. Typical Applications
1. **Industrial Process Control:** Precise sensor signal scaling.
2. **Medical Instrumentation:** Low-noise, high-accuracy measurement tools.
3. **Aerospace:** Systems requiring high reliability and low thermal drift.
4. **Audio Equipment:** High-end volume control and signal routing.
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- ⤷
What is the difference between an R-2R ladder and a standard voltage divider network?
- ⤷ How does the TCR (Temperature Coefficient of Resistance) affect the performance of this part?
- ⤷ Are there Surface Mount (SMD) equivalents for the M2RT series?