Specifications
| Type | Description |
|---|---|
| Part Number | ADS114S08 |
| Manufacturer | Texas Instruments |
| Product Type | Delta-Sigma ADC |
| Category | Signal Chain |
| Package / Case | 32-pin VQFN (RHB), 5.0 mm x 5.0 mm; 32-pin TQFP (PBS), 5.0 mm x 5.0 mm |
| Resolution | 16 bit |
| Number of Analog Inputs | 12 analog inputs |
| Programmable Gain | 1 to 128 |
| Programmable Data Rate | 2.5 SPS to 4 kSPS |
| Power Consumption | as low as 280 uA |
| Interface | SPI-compatible with optional CRC |
| Analog Supply Voltage | 2.7 V to 5.25 V (unipolar) or ±2.5 V (bipolar) |
| Digital Core Supply Voltage | 2.7 V to 3.6 V |
| Operating Temperature | -50°C to +125°C |
| ESD Rating HBM | ±2500 V |
| Datasheet Status | request_only |
Product Overview
The ADS114S08 is a Texas Instruments 16-bit delta-sigma ADC for Signal Chain designs that require multiplexed analog measurement. It includes 12 analog inputs and a programmable gain amplifier with gain settings from 1 to 128. Conversion data rates are programmable from 2.5 SPS to 4 kSPS, and the low-latency digital filter provides simultaneous 50-Hz and 60-Hz rejection at data rates up to 20 SPS.
Integrated support blocks include two matched programmable excitation current sources from 10 uA to 2000 uA, a 2.5 V internal reference with 10 ppm/°C maximum drift, a 4.096 MHz internal oscillator with 1.5% accuracy, and four GPIO pins shared with AIN8 to AIN11 on ADS114S08. The serial interface is SPI-compatible and supports optional CRC.
The device supports unipolar analog supply operation from 2.7 V to 5.25 V, bipolar analog supply operation at ±2.5 V, a 2.7 V to 3.6 V digital core supply, and IOVDD operation from DVDD to 5.25 V. Package options are 32-pin VQFN (RHB) and 32-pin TQFP (PBS), each 5.0 mm x 5.0 mm.
Key Features
- 16-bit delta-sigma ADC resolution
- 12 analog inputs on ADS114S08
- PGA gain programmable from 1 to 128
- Data rates programmable from 2.5 SPS to 4 kSPS
- Low-power operation as low as 280 uA
- Simultaneous 50-Hz and 60-Hz rejection at <=20 SPS
- Two matched programmable sensor excitation current sources
- 10 uA to 2000 uA IDAC current range
- Integrated 2.5 V reference, 10 ppm/°C max drift
- SPI-compatible interface with optional CRC
Typical Applications
- RTD sensor measurement
- Sensor excitation and biasing
- Multiplexed analog input measurement
- Low-speed filtered signal acquisition
- SPI-controlled data acquisition
- Industrial temperature measurement
- Systems needing 50-Hz and 60-Hz rejection
Procurement Notes
When requesting a quote for ADS114S08, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What resolution does the ADS114S08 provide?
The ADS114S08 provides 16-bit resolution. It is identified as a 16-bit delta-sigma ADC and includes 12 analog inputs for multiplexed analog measurement applications.
What data rates are supported by ADS114S08?
The ADS114S08 supports programmable ADC conversion data rates from 2.5 SPS to 4 kSPS. With the low-latency digital filter at data rates of 20 SPS or lower, it provides simultaneous 50-Hz and 60-Hz rejection.
What sensor excitation resources are integrated?
The ADS114S08 includes two matched programmable current sources for sensor excitation or RTD biasing. The IDAC excitation current range is programmable from 10 uA to 2000 uA.
What package options are listed for ADS114S08?
The listed package options are 32-pin VQFN (RHB), 5.0 mm x 5.0 mm, and 32-pin TQFP (PBS), 5.0 mm x 5.0 mm.
What supply ranges does ADS114S08 support?
For unipolar analog operation, AVDD to AVSS is recommended from 2.7 V to 5.25 V. Bipolar analog supply operation at ±2.5 V is supported. DVDD is recommended from 2.7 V to 3.6 V, and IOVDD from DVDD to 5.25 V.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.