Texas Instruments ADS8678IDBT
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $14.40 | $14.40 |
| 15+ | $13.95 | $209.25 |
| 25+ | $13.64 | $341.00 |
| 50+ | $12.89 | $644.50 |
| 100+ | $11.37 | $1,137.00 |
| N+ | $2.27 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| Number of Bits | 14 |
| Sampling Rate (Per Second) | 500k |
| Number of Inputs | 8 |
| Input Type | Single Ended |
| Data Interface | SPI |
| Configuration | PGA-MUX-S/H-ADC |
| Ratio - S/H:ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 1.65V ~ 5.25V |
| Features | PGA |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Grade | - |
| Qualification | - |
| Package / Case | 38-TFSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 38-TSSOP |
| ROHS |  |
The Texas Instruments ADS8678IDBT is a robust 14-bit analog-to-digital converter (ADC) designed for demanding industrial and automotive applications. It integrates a programmable gain amplifier (PGA), an 8-channel multiplexer, and a sample-and-hold circuit, all in a single device. With a sampling rate of 500k SPS and an SPI interface, it provides a complete signal chain solution. The internal reference and wide operating temperature range of -40°C to 125°C ensure reliable performance in harsh environments. This ADC is ideal for motor control, power monitoring, and industrial automation.
- Integrated PGA: The built-in programmable gain amplifier allows for direct interfacing with a wide range of sensor outputs, eliminating the need for external amplification stages.
- High-Temperature Operation: Rated for -40°C to 125°C, it is designed for reliable operation in extreme automotive and industrial environments.
- Complete Signal Chain: The combination of PGA, MUX, and ADC in one package reduces component count and simplifies PCB design.
- Internal Reference: The integrated reference voltage source reduces external part count and ensures stable operation over temperature.
- 8-Channel Flexibility: Multiple input channels allow for monitoring several signals with a single device, saving cost and board space.
Industrial Automation and Control
The integrated PGA (Programmable Gain Amplifier) allows direct connection to sensors with varying output levels, simplifying signal conditioning in PLCs and industrial controllers. The 14-bit resolution ensures good precision.
Motor Control and Drives
With 8 channels and a 500k SPS rate, this ADC can monitor phase currents and voltages in motor drives, enabling precise and responsive control algorithms for improved efficiency.
Power System Monitoring
The wide temperature range and internal reference make it suitable for monitoring voltage and current in power distribution systems, where reliability and accuracy are critical.
Automotive Battery Management
In BMS applications, the ADS8678IDBT can measure cell voltages and temperatures across multiple points, ensuring safe and efficient battery operation over a wide temperature range.
Seismic and Vibration Monitoring
The PGA and high input impedance allow for direct connection to piezoelectric sensors, making it ideal for structural health monitoring and industrial vibration analysis.
Data Loggers for Extreme Environments
The -40°C to 125°C operating range allows for deployment in harsh environments like engine test cells or downhole drilling, where reliable data acquisition is essential.
- Q: What is the resolution of the ADS8678IDBT?
- A: This device is a 14-bit analog-to-digital converter (ADC).
- Q: What is the sampling rate?
- A: It offers a sampling rate of 500k SPS.
- Q: How many input channels are available?
- A: The ADS8678IDBT has 8 input channels.
- Q: What interface does it use?
- A: It communicates via the SPI interface.
- Q: What is the architecture?
- A: It features a PGA-MUX-S/H-ADC architecture with an internal voltage reference.
- Q: What is the temperature range?
- A: It operates over a wide temperature range of -40°C to 125°C and comes in a 38-TFSOP package.
ADS8678IDBT.pdf
- Q: What is the resolution of the ADS8678IDBT?
- A: This device is a 14-bit analog-to-digital converter (ADC).
- Q: What is the sampling rate?
- A: It offers a sampling rate of 500k SPS.
- Q: How many input channels are available?
- A: The ADS8678IDBT has 8 input channels.
- Q: What interface does it use?
- A: It communicates via the SPI interface.
- Q: What is the architecture?
- A: It features a PGA-MUX-S/H-ADC architecture with an internal voltage reference.
- Q: What is the temperature range?
- A: It operates over a wide temperature range of -40°C to 125°C and comes in a 38-TFSOP package.
