Overview
The LTC1067IGN#PBF, produced by Analog Devices Inc., is a rail-to-rail, very low noise universal dual filter building block. This integrated circuit consists of two identical 2nd order switched-capacitor filter sections, offering high accuracy and a very wide dynamic range. It is designed to be highly versatile, allowing for various filter configurations such as low-pass, high-pass, band-pass, and band-reject filters. The LTC1067IGN#PBF is particularly useful in applications requiring precise signal filtering with minimal noise and distortion.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Operating Supply Range | 2.7 | 11 | V | ||
| Positive Output Voltage Swing (VS = 3V, RL = 10kΩ) | 2.65 | 2.80 | V | ||
| Positive Output Voltage Swing (VS = 4.75V, RL = 10kΩ) | 4.25 | 4.50 | V | ||
| Negative Output Voltage Swing (VS = 3V, RL = 10kΩ) | 0.020 | 0.200 | V | ||
| Negative Output Voltage Swing (VS = 4.75V, RL = 10kΩ) | 0.025 | 0.225 | V | ||
| Output Short-Circuit Current (VS = 3V) | 16/0.6 | mA (Source/Sink) | |||
| Noise + THD (VS = ±5V, fIN = 1kHz, fCLK = 500kHz) | -60 | -70 | -80 | dB |
Key Features
- Rail-to-rail operation for both input and output stages.
- Very low noise and high accuracy.
- Wide dynamic range.
- Two identical 2nd order switched-capacitor filter sections.
- Supports various filter configurations: low-pass, high-pass, band-pass, and band-reject filters.
- High output current capability: typically sources 33mA and sinks 2mA.
- Operating supply range from 2.7V to 11V.
Applications
The LTC1067IGN#PBF is suitable for a variety of applications that require precise signal filtering, including:
- Audio processing and filtering.
- Medical equipment signal conditioning.
- Industrial control systems.
- Telecommunication systems.
- Instrumentation and measurement equipment.
Q & A
- What is the operating supply range of the LTC1067IGN#PBF?
The operating supply range is from 2.7V to 11V. - What types of filters can be configured using the LTC1067IGN#PBF?
The LTC1067IGN#PBF supports low-pass, high-pass, band-pass, and band-reject filter configurations. - What is the typical output current capability of the LTC1067IGN#PBF?
The device typically sources 33mA and sinks 2mA. - What is the noise performance of the LTC1067IGN#PBF?
The device has very low noise, with noise + THD typically around -60 to -80 dB. - What is the package type of the LTC1067IGN#PBF?
The device is available in a 16-lead SSOP package. - Can the LTC1067IGN#PBF be used in audio processing applications?
Yes, it is suitable for audio processing and filtering due to its low noise and high accuracy. - How many filter sections does the LTC1067IGN#PBF contain?
The device contains two identical 2nd order switched-capacitor filter sections. - What is the significance of the summing inputs (SA, SB) on the LTC1067IGN#PBF?
The summing inputs determine the circuit topology (mode) of each 2nd order section and should never be left floating. - How does the load resistance affect the output voltage swing of the LTC1067IGN#PBF?
The output voltage swing is affected by the load resistance, and driving loads less than 10kΩ can degrade the harmonic distortion performance. - What are some common applications of the LTC1067IGN#PBF in industrial settings?
It is used in industrial control systems, instrumentation, and measurement equipment.
