Linear Technology resistors suitable for heavy industrial test equipment
Linear Technology
LT5400 series of resistors
Linear Technology’s LT5400 series of resistors is suitable for signal conditioning applications in difference amplifiers, precision dividers, references and bridge circuits, as well as in test equipment within heavy industrial, military and automotive environments.
The series offers resistor network options with resistor ratios of 1:1 and 10:1 quad 10K resistors, quad 100K resistors and dual 10K/dual 100K resistors.
The units feature matching of 0.01 per cent at temperatures of -40–85°C, and 0.0125 per cent at -40–125°C.
Additionally, the matching has been enhanced using ’matching for CMRR’ — a metric that, according to the company, can guarantee CMRR performance when configured in a difference amplifier circuit.
The LT5400 MSOP package can be used a replacement for discrete resistors as it reduces thermal gradients and enables consistent conditions for all four resistors.
Key product features
- Matched independent quad resistors
- Matching for CMRR is 0.005 per cent
- The series is resistant to shock, vibration, humidity and temperature extremes
- A high temperature option is offered, which can function within a range of -55–150°C
- <1ppm/°C (Max) matching temperature drift
- ±75V operating voltage
- 8ppm/°C absolute resistor temperature drift
- <2ppm long-term stability at 2,000hrs
- Low profile eight-lead MSOP package
- Prices start at $3.49 each in 1,000-piece quantities
- Additional options with different resistor values will be available soon
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