ADS8675 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The ADS8675 is a 18-bit, 1MSPS successive approximation register (SAR) analog-to-digital converter from Texas Instruments with a fully differential input range. It features an integrated reference, SPI-compatible serial interface, and wide input voltage range operation in a compact SSOP-28 package. Suitable for precision data acquisition, industrial measurement, and instrumentation applications requiring high resolution and throughput.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- ADS8675 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of ADS8675?
- 18-bit resolution at 1MSPS throughput rate delivers exceptional precision for industrial signal chain applications with high dynamic range requirements
- Integrated 4.096V reference with wide input range support (up to ±12V with external resistors) eliminates external reference components and simplifies analog front-end design
- SPI-compatible serial interface with flexible operating modes supports easy interfacing to DSPs, FPGAs, and microcontrollers in multi-channel data acquisition systems
What is ADS8675 used for?
The ADS8675 is used in precision industrial data acquisition systems for process control, where its 18-bit resolution and 1MSPS sampling rate accurately capture analog sensor signals from pressure transducers, temperature sensors, and current loops. In medical imaging and test and measurement instruments, it provides the high-resolution ADC stage needed to digitize low-level differential signals with minimal noise and distortion. It is also applied in motor control feedback systems and power quality analyzers requiring simultaneous high-speed and high-resolution voltage and current measurement.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the ADS8675 datasheet?
ADS8675 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for ADS8675?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the resolution and sampling rate of the ADS8675?
The ADS8675 provides 18-bit resolution with a maximum throughput rate of 1MSPS (1 million samples per second). This combination of high resolution and high speed makes it one of the most capable SAR ADCs for applications requiring both precision and dynamic performance, such as industrial process monitoring and wideband signal analysis.
What input voltage range does the ADS8675 support?
The ADS8675 supports a fully differential analog input range that scales with the reference voltage. With the internal 4.096V reference, the default input range is ±VREF (±4.096V differential). With an external reference and input scaling resistors, the effective input range can be extended to handle signals up to ±10V or ±12V, as specified in the application circuit in the datasheet.
What digital interface does the ADS8675 use?
The ADS8675 uses a 4-wire SPI-compatible serial interface (SDI, SDO, SCLK, CS) for both data output and register configuration. The serial data output provides the 18-bit conversion result at SCLK rates up to 100MHz, allowing fast data transfer to FPGAs, DSPs, and microcontrollers. The device also supports daisy-chain operation for multi-channel systems.
Does the ADS8675 include an internal reference?
Yes, the ADS8675 integrates an internal 4.096V reference voltage, eliminating the need for a separate external reference component in most designs. An external reference can alternatively be applied to the REFIO pin to override the internal reference, providing flexibility for designs requiring a different reference voltage or where a shared precision reference is preferred for multi-device accuracy matching.
What are the main differences between the ADS8675 and the ADS8671/ADS8677/ADS8679 in the same family?
The ADS867x family shares the same package and interface but differs in resolution: ADS8671 is 16-bit, ADS8677 is 16-bit with a faster 1MSPS rate, ADS8675 is 18-bit at 1MSPS, and ADS8679 is 18-bit at 1MSPS with an extended input range option. All devices are pin-compatible, allowing designers to select the appropriate resolution for their application while reusing the same PCB layout and firmware framework.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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