resistor matching solution Legendsemi LHE5400A-6MMA for precision summing subtracting and reference circuits
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Product Description
Product Overview
The LHE5400 is a quad resistor network designed for applications requiring excellent resistor matching over a wide temperature range. It offers superior matching performance compared to independently matched resistors, particularly when configured in difference amplifiers, leading to improved CMRR. The device allows independent access and biasing of all four resistors, making it a versatile solution for precision applications such as difference amplifiers, reference dividers, and summing/subtracting circuits. Available in an 8-lead MSOP package, the LHE5400 operates from -40C to 125C.
Product Attributes
- Brand: Legendsemi
- Package: 8-Lead MSOP
Technical Specifications
| Parameter | Grade | Min | Typ | Max | Units | Conditions |
|---|---|---|---|---|---|---|
| Resistor Matching Ratio (Any Resistor to Any Other Resistor) | A-Grade | ±0.01 | % | TA = –40°C to 125°C | ||
| Resistor Matching Ratio (Any Resistor to Any Other Resistor) | B-Grade | ±0.025 | % | TA = –40°C to 125°C | ||
| 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 | 1 | ppm/°C | |||
| Resistor Voltage Coefficient | <0.1 | ppm/V | ||||
| Absolute Resistor Tolerance | A-Grade | ±7.5 | % | |||
| Absolute Resistor Tolerance | B-Grade | ±15 | % | |||
| Absolute Resistor Value Temperature Drift | 25 | ppm/°C | ||||
| Operating Voltage | ±75 | V | ||||
| Absolute Maximum Operating Voltage | ±80 | V | ||||
| Operating Temperature Range | –40 | 125 | °C | |||
| Power Dissipation (Each Resistor) | 800 | mW | ||||
| 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 |
Available Options
| Part Number | R2 = R3 (Ω) | R1 = R4 (Ω) | 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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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina