Overview
The LTC6655BHMS8-2.048#PBF, produced by Analog Devices Inc., is a precision bandgap voltage reference from the LTC6655 family. This component is renowned for its exceptional noise and drift performance, making it ideal for high-resolution measurements in various applications. The LTC6655 series is fully specified over a wide temperature range of –40°C to 125°C, ensuring its suitability for demanding automotive and industrial environments. Advanced curvature compensation enables the device to achieve a drift of less than 2ppm/°C and an output voltage accuracy of ±0.025%, minimizing the need for calibration.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Output Voltage | - | -0.025% | - | 0.05% | % |
| Output Voltage Temperature Coefficient | - | 1 | - | 2.5 | ppm/°C |
| Line Regulation | VOUT + 0.5V ≤ VIN ≤ 13.2V, SHDN = 2V | 5 | - | 25 | ppm/V |
| Load Regulation | ISOURCE = 5mA | 3 | - | 15 | ppm/mA |
| Supply Voltage Range | - | - | - | 13.2V | V |
| Low Dropout Voltage | - | - | - | 500mV | V |
| Shutdown Current | - | - | - | 20µA | µA |
| Output Current Capability | - | - | - | ±5mA | mA |
| Package Type | - | - | - | 8-Lead MSOP | - |
Key Features
- Low Noise: 0.25ppm peak-to-peak noise (0.1Hz to 10Hz) and 0.21ppm RMS noise (10Hz to 1kHz) for the LTC6655LN model.
- Low Drift: Drift of less than 2ppm/°C.
- High Accuracy: Output voltage accurate to ±0.025%.
- No Humidity Sensitivity: The LS8 package ensures no humidity sensitivity.
- Thermal Hysteresis: 30ppm (–40°C to 85°C) for the LS8 package.
- Long-Term Drift: 20ppm/√kHr for the LS8 package.
- Load Regulation: Less than 10ppm/mA.
- Current Capability: Sinks and sources current up to ±5mA.
- Low Dropout Voltage: 500mV.
- Low Power Shutdown: Shutdown current less than 20µA.
- Noise Reduction Pin: The LTC6655LN model includes a noise reduction pin that reduces wideband noise with the addition of a single capacitor.
Applications
- Instrumentation and Test Equipment: Ideal for high-resolution measurements.
- Automotive Applications: Fully specified over the temperature range of –40°C to 125°C, making it suitable for demanding automotive environments.
- Industrial Applications: Robust performance in industrial settings due to its high accuracy and low drift.
- High-Resolution Data Acquisition Systems: Suitable for systems requiring precise voltage references.
Q & A
- What is the output voltage accuracy of the LTC6655BHMS8-2.048#PBF?
The output voltage accuracy is ±0.025%.
- What is the temperature coefficient of the LTC6655BHMS8-2.048#PBF?
The temperature coefficient is less than 2ppm/°C.
- What is the maximum supply voltage for the LTC6655BHMS8-2.048#PBF?
The maximum supply voltage is 13.2V.
- What is the low dropout voltage of the LTC6655BHMS8-2.048#PBF?
The low dropout voltage is 500mV.
- Can the LTC6655BHMS8-2.048#PBF sink and source current?
Yes, it can sink and source current up to ±5mA.
- What is the shutdown current of the LTC6655BHMS8-2.048#PBF?
The shutdown current is less than 20µA.
- What package type is the LTC6655BHMS8-2.048#PBF available in?
The LTC6655BHMS8-2.048#PBF is available in an 8-Lead MSOP package.
- Is the LTC6655BHMS8-2.048#PBF sensitive to humidity?
No, the LS8 package ensures no humidity sensitivity, although the MSOP package may have different characteristics.
- What are the typical applications of the LTC6655BHMS8-2.048#PBF?
Typical applications include instrumentation and test equipment, automotive, industrial, and high-resolution data acquisition systems.
- How does the noise reduction pin work on the LTC6655LN model?
The noise reduction pin on the LTC6655LN model reduces wideband noise with the addition of a single capacitor.
