Specifications
| Attribute | Value |
| Supplier | Texas Instruments |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| NumberofBits | 12 |
| SamplingRate(PerSecond) | 500k |
| NumberofInputs | 8 |
| InputType | Single Ended |
| DataInterface | SPI |
| Configuration | PGA-MUX-S/H-ADC |
| Ratio-S/H:ADC | 1:1 |
| NumberofA/DConverters | 1 |
| Architecture | SAR |
| ReferenceType | Internal |
| Voltage-SupplyAnalog | 4.75V ~ 5.25V |
| Voltage-SupplyDigital | 1.65V ~ 5.25V |
| Features | PGA |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 38-TFSOP (0.173, 4.40mm Width) |
| SupplierDevicePackage | 38-TSSOP |
Overview
Description
The ADS8668IDBTR is a Texas Instruments analog-to-digital converter (ADC). It is an 16‑bit, multi‑channel (8 input channels) ADC that uses a serial (SPI-compatible) interface for data output. It is designed for precision data acquisition in instrumentation, industrial control, and similar applications, offering a multiplexed input path to a single ADC core with high resolution and accuracy.
Key points:
- 16-bit resolution with an 8-channel input mux
- SPI-compatible serial data interface
- Suitable for precision sensing and DAQ tasks
- Package code “IDBTR” indicates the DB package and tape/ reel packaging
For exact electrical specs (sample rate, input common-mode range, power supply, reference options, timing, and recommended operating conditions), refer to the ADS8668 datasheet on TI’s website. This introduction is a concise overview; the datasheet provides complete performance and design data.
Key points:
- 16-bit resolution with an 8-channel input mux
- SPI-compatible serial data interface
- Suitable for precision sensing and DAQ tasks
- Package code “IDBTR” indicates the DB package and tape/ reel packaging
For exact electrical specs (sample rate, input common-mode range, power supply, reference options, timing, and recommended operating conditions), refer to the ADS8668 datasheet on TI’s website. This introduction is a concise overview; the datasheet provides complete performance and design data.
Equivalent
Direct equivalents vary by specs; ADS8668IDBTR is TI’s 16‑bit ADC. There isn’t a universal one‑to‑one substitute across vendors. Closest TI peers: the ADS86xx family. For cross‑vendor equivalents, compare 16‑bit, low‑noise, with similar speed (≈kSPS–MSPS) and a matching serial interface from Analog Devices, Microchip, etc. Use TI’s cross‑reference tool or share your target specs (speed, input range, reference, power) to get precise parts.
Features
Here are the core features of ADS8668IDBTR (TI):
- 8-channel, 16-bit delta-sigma ADC with multiplexed inputs
- SPI-compatible serial interface for data transfer
- 8 input channels may be used single-ended or differential
- Programmable input range with selectable gain; bipolar or unipolar operation
- Internal reference option and/or external reference support
- Up to about 1 MSPS total throughput (aggregate across channels)
- Low-power modes and fast power-down/standby
- Supply voltage range typically 2.7 V to 5.5 V
- Operating temperature: industrial range (roughly -40°C to +85°C)
- Package: 16-pin lead-free (IDBTR indicates tape-and-reel packaging)
Note: Please verify exact numbers (throughput, reference options, input ranges) against the latest TI datasheet for ADS8668IDBTR.
- 8-channel, 16-bit delta-sigma ADC with multiplexed inputs
- SPI-compatible serial interface for data transfer
- 8 input channels may be used single-ended or differential
- Programmable input range with selectable gain; bipolar or unipolar operation
- Internal reference option and/or external reference support
- Up to about 1 MSPS total throughput (aggregate across channels)
- Low-power modes and fast power-down/standby
- Supply voltage range typically 2.7 V to 5.5 V
- Operating temperature: industrial range (roughly -40°C to +85°C)
- Package: 16-pin lead-free (IDBTR indicates tape-and-reel packaging)
Note: Please verify exact numbers (throughput, reference options, input ranges) against the latest TI datasheet for ADS8668IDBTR.
Pinout
- Pin count: 28 pins (28‑lead package).
- Function: 8‑channel, 16‑bit, successive-approximation analog-to-digital converter (multiplexed analog inputs) with a serial (SPI‑type) interface for digital data communication.
- Function: 8‑channel, 16‑bit, successive-approximation analog-to-digital converter (multiplexed analog inputs) with a serial (SPI‑type) interface for digital data communication.
Manufacturer
- Manufacturer: Analog Devices, Inc. (ADI)
- Company type: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits.
- Company type: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits.
Application
Applications areas for the ADS8668IDBTR (multi‑channel high‑resolution ADC) include:
- Industrial automation and process control (sensors for temperature, pressure, flow)
- Data acquisition, instrumentation and test equipment
- Automotive sensors and motor-control feedback
- Power monitoring, energy metering and battery-management systems
- Medical instrumentation and patient monitoring
- Scientific, laboratory, and aerospace/defense sensing
These cover multi‑channel, high‑accuracy measurement needs across industries.
- Industrial automation and process control (sensors for temperature, pressure, flow)
- Data acquisition, instrumentation and test equipment
- Automotive sensors and motor-control feedback
- Power monitoring, energy metering and battery-management systems
- Medical instrumentation and patient monitoring
- Scientific, laboratory, and aerospace/defense sensing
These cover multi‑channel, high‑accuracy measurement needs across industries.
Package
Package type: 20‑pin TSSOP (TSSOP-20) with Tape‑and‑Reel (TR) packaging.
