ADS8383IPFBTG4

Analog To Digital Converters (ADC) Overview

The ADS8383IPFBTG4 is an 18-bit, 500-kHz successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It features a unipolar input range and includes an onboard reference buffer. The device supports flexible data transfer via an 8-, 16-, or 18-bit parallel interface. It operates with a +VA supply of 5 V and a digital supply (+VBD) between 2.95 V and 5.25 V. Power dissipation at the maximum sample rate is 110 mW. The component is characterized for industrial temperatures ranging from -40°C to 85°C and is housed in a 48-lead TQFP package.

Analog To Digital Converters (ADC) Feature Summary

• 18-bit resolution with no missing codes ensured over temperature
• 500 kHz throughput rate with zero latency architecture
• Onboard reference buffer supporting external voltage references
• Flexible 8-/16-/18-bit parallel bus transfer options

Analog To Digital Converters (ADC) Applications

• Medical instruments
• Optical networking systems
• Transducer interfaces
• High accuracy data acquisition systems
• Magnetometers

Analog To Digital Converters (ADC) Procurement Notes

Verify the 'G4' suffix indicates compliance with specific environmental standards as defined by the manufacturer's documentation. Confirm that the PFB package designator matches the required 48-pin TQFP footprint for PCB layout compatibility. Ensure the ordering information aligns with the specific linearity grade (I or B) required for the application's precision needs.

Analog To Digital Converters (ADC) Selection Notes

Select this model when high-resolution 18-bit conversion is required at speeds up to 500 kHz. The device accommodates both 3 V and 5 V digital logic levels through the adjustable +VBD supply. Designers must provide an external 2.048-V bias voltage for internal circuitry operation. The unipolar input range requires careful consideration of signal conditioning relative to the chosen reference voltage.

Analog To Digital Converters (ADC) Part Context

This component belongs to the ADS8383 family of high-speed SAR ADCs. The IPFB designation identifies the Industrial temperature grade (-40°C to 85°C) and the 48-lead TQFP physical package. The TG4 suffix typically denotes lead-free packaging and RoHS compliance within the manufacturer's product coding structure.

Analog To Digital Converters (ADC) Replacement Considerations

Direct pin-compatible replacements within the same family include the ADS8383IBPFBT and ADS8383IBPFBR, which offer tighter integral linearity specifications (±7 LSB vs ±10 LSB). These variants maintain identical pinouts and electrical interfaces while providing improved DC performance.