High precision resistor network Legendsemi LHE5400A-4MMA designed for improved CMRR in amplifier circuits
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Product Description
Product Overview
The LHE5400 is a quad matched resistor network designed for applications requiring excellent matching specifications over a wide temperature range. It offers superior matching compared to independently matched resistors, particularly in difference amplifier configurations, leading to improved CMRR performance. The device allows independent access and biasing of all four resistors, making it a versatile choice for precision applications such as difference amplifiers, reference dividers, and summing/subtracting circuits. It is available in an 8-lead MSOP package and operates from 40C to 125C.
Product Attributes
- Brand: LegendSemi
- Product Name: LHE5400
- Package: 8-Lead MSOP
Technical Specifications
| Parameter | Grade | Value | Units | Conditions |
| Resistor Matching Ratio (Any Resistor to Any Other Resistor) | A-Grade | 0.01 | % | TA = 40C to 125C |
| Resistor Matching Ratio (Any Resistor to Any Other Resistor) | B-Grade | 0.025 | % | TA = 40C to 125C |
| Matching for CMRR | A-Grade | 0.005 | % | Note 4 |
| Matching for CMRR | B-Grade | 0.015 | % | Note 4 |
| Resistor Matching Ratio Temperature Drift | 0.2 | ppm/C | ||
| Absolute Resistor Value Temperature Drift | 8 | ppm/C | ||
| Absolute Resistor Tolerance | A-Grade | 7.5 | % | |
| Absolute Resistor Tolerance | B-Grade | 15 | % | |
| Operating Voltage | 75 | V | ||
| Absolute Maximum Operating Voltage | 80 | V | (Across Any 2 Pins) | |
| Operating Temperature Range | 40 to 125 | C | ||
| Power Dissipation (Each Resistor) | 800 | mW | ||
| Resistor Voltage Coefficient | ppm/V | |||
| Distributed Capacitance (Resistor to Exposed Pad) | 5.5 | pF | ||
| Distributed Capacitance (Resistor to Resistor) | 1.4 | pF | ||
| Harmonic Distortion | 120 | dBc | 20VP-P, 1kHz, Difference Amplifier |
| PART NUMBER | R2 = R3 () | R1 = R4 () | RESISTOR RATIO |
| LHE5400-1 | 10k | 10k | 1:1 |
| LHE5400-2 | 100k | 100k | 1:1 |
| LHE5400-3 | 10k | 100k | 1:10 |
| LHE5400-4 | 1k | 1k | 1:1 |
| LHE5400-5 | 1M | 1M | 1:1 |
| LHE5400-6 | 1k | 5k | 1:5 |
| LHE5400-7 | 1.25k | 5k | 1:4 |
| LHE5400-8 | 1k | 9k | 1:9 |
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