LTC1282BCSW#PBF

Analog To Digital Converters (ADC) Overview

The LTC1282BCSW#PBF is a 12-bit, 140ksps sampling analog-to-digital converter in a 24-lead plastic SO Wide package. It operates from a single 3V or dual ±3V supply with typical power dissipation of 12mW. The device features an internal 1.20V reference and synchronized clock. Maximum DC specifications include ±0.5LSB INL and ±0.75LSB DNL. AC performance provides 69dB S/(N + D) and 77dB THD at the Nyquist frequency of 70kHz. Unipolar mode supports 0V to 2.5V inputs, while bipolar mode handles ±1.25V inputs.

Analog To Digital Converters (ADC) Feature Summary

• Integrated precision voltage reference and internally trimmed clock
• High-speed parallel interface compatible with DSPs and microprocessors
• Supports both unipolar and bipolar conversion modes
• Built with LTBiCMOS switched capacitor technology

Analog To Digital Converters (ADC) Applications

• High speed data acquisition systems
• Digital signal processing applications
• Multiplexed data acquisition systems
• Audio and telecom processing
• Spectrum analysis

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific BC suffix indicates commercial grade performance within the 0°C to 70°C range. Confirm the SW package designation matches the required 24-lead footprint. Ensure the #PBF suffix confirms lead-free compliance for the target assembly process. Cross-reference the manufacturer's latest documentation for any updates to the ordering information section.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a high throughput rate of 140ksps is required alongside low power consumption. The integrated reference simplifies design by eliminating external components. Choose the bipolar configuration if negative input voltages are present. Verify that the parallel interface timing meets the system's microprocessor or DSP requirements.

Analog To Digital Converters (ADC) Part Context

This part belongs to the LTC1282 family of 3V, 12-bit sampling A/D converters. It utilizes successive approximation architecture with an internal sample-and-hold circuit. The device is designed for applications requiring fast conversion times and high accuracy without the complexity of external clocking or reference circuits.

Analog To Digital Converters (ADC) Replacement Considerations

The LTC1282ACSW#PBF is a verified alternative offering similar specifications with potentially different linearity grades. Check the datasheet for specific INL and DNL limits associated with the AC grade versus the BC grade to ensure compatibility with system accuracy requirements.