ADS9120
- Sample Rate: 2.5 MSPS
- No Latency Output
- Excellent DC and AC Performance:
- INL: ±0.25 LSB
- DNL: ±0.6 LSB
- SNR: 96 dB, THD: –118 dB
- Wide Input Range:
- Unipolar Differential Input Range: ±VREF
- VREF Input Range: 2.5 V to 5 V,
Independent of AVDD
- Low-Power Dissipation:
- 9 mW at 2.5 MSPS (AVDD Only)
- 15.5 mW at 2.5 MSPS (Total)
- Flexible Low-Power Modes Enable Power Scaling with Throughput
- Enhanced-SPI (multiSPI™) Digital Interface
- JESD8-7A-Compliant Digital I/O at 1.8-V DVDD
- Fully-Specified Over Extended Temperature Range: –40°C to +125°C
- Small Footprint: 4-mm × 4-mm VQFN
The ADS9120 is a 16-bit, 2.5-MSPS, successive approximation register (SAR) analog-to-digital converter (ADC) with enhanced performance features. The high throughput enables developers to oversample the input signal to improve dynamic range and accuracy of the measurement. The ADS9110 is a pin-compatible, 18-bit, 2-MSPS variant of the ADS9120.
The ADS9120 boosts analog performance while maintaining high-resolution data transfer by using TI’s enhanced SPI feature. Enhanced SPI enables the ADS9120 to achieve high throughput at lower clock speeds, thereby simplifying board layout and lowering system cost.
Enhanced SPI also simplifies the host clocking-in of data, thereby making the device ideal for applications involving FPGAs and DSPs. The ADS9120 is compatible with a standard SPI Interface. The ADS9120 has an internal data parity feature that can be appended to the ADC data output. ADC data validation by the host, using parity bits, improves system reliability.
The device supports JESD8-7A compliant I/Os, the extended industrial temperature range, and is offered in a space-saving, 4-mm × 4-mm, VQFN package.
Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | ADS9120 16-Bit, 2.5-MSPS, 15.5-mW, SAR ADC With Enhanced Performance Features datasheet (Rev. A) | PDF | HTML | 29 Jun 2017 |
Application note | Attenuator Amplifier Design to Maximize the Input Voltage of Differential ADCs | 14 Jun 2018 | ||
Application brief | Improving Input Settling for Precision Data Converters | 12 Dec 2017 | ||
Application brief | Optimizing Data Transfer on High-Resolution, High-Throughput Data Converters | 12 Dec 2017 | ||
Application brief | Simplify Isolation Designs Using an Enhanced-SPI ADC Interface | 11 Dec 2017 | ||
White paper | Enabling Faster, Smarter, and More Robust Solutions for SAR ADSx With multiSPI | 08 Nov 2016 | ||
EVM User's guide | ADS9120EVM-PDK User's Guide | 10 Aug 2016 | ||
White paper | Voltage-reference impact on total harmonic distortion | 01 Aug 2016 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
ADS9120EVM-PDK — ADS9120 16-Bit, 2.5MSPS, 15.5mW SAR ADC EVM Performance Demonstration Kit (PDK)
The ADS9120 evaluation module (EVM) performance demonstration kit (PDK) is a platform for evaluating the performance of the ADS9120 successive-approximation register analog-to-digital converter (SAR ADC). The ADS9120EVM-PDK includes the ADS9120 EVM board, the PHI controller board, and accompanying (...)
Impedance Spectroscopy TINA-TI Reference Design (Differential)
ANALOG-ENGINEER-CALC — PC software analog engineer's calculator
The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
Supported products & hardware
Products
Precision op amps (Vos<1mV)
General-purpose op amps
Audio op amps
Transimpedance amplifiers
High-speed op amps (GBW ≥ 50 MHz)
Power op amps
Video amplifiers
Line drivers
Transconductance amplifiers & laser drivers
Fully differential amplifiers
Precision ADCs
Biosensing AFEs
High-speed ADCs (≥10 MSPS)
Touchscreen controllers
Difference amplifiers
Instrumentation amplifiers
Audio line receivers
Analog current-sense amplifiers
Digital power monitors
Analog current-sense amplifiers with integrated shunt resistor
Digital power monitors with integrated shunt resistor
Die & wafer services
RF receivers
RF transmitters
ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.
Supported products & hardware
Products
Series voltage references
Precision ADCs
Biosensing AFEs
Integrated precision ADCs & DACs
High-speed ADCs (≥10 MSPS)
Precision DACs (≤10 MSPS)
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
TINA-TI — SPICE-based analog simulation program
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
VQFN (RGE) | 24 | Ultra Librarian |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
- Fab location
- Assembly location
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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