ADS8168
16-bit, 1-MSPS, 8-ch SAR ADC with VREF, VREF buffer and direct sensor interface
ADS8168
- Compact low-power data acquisition system:
- MUX breakout enables single external driver amplifier
- 16-bit SAR ADC
- Low-drift integrated reference and buffer
- 0.5 × VREF output for analog input DC biasing
- Excellent AC and DC performance:
- SNR: 92dB, THD: –110dB
- INL: ±0.3LSB, 16-bit no missing codes
- Multiplexer with channel sequencer:
- Multiple channel-sequencing options:
- Manual mode, on-the-fly mode, auto sequence mode, custom channel sequencing
- Fast response time with on-the-fly mode
- Multiple channel-sequencing options:
- System monitoring features:
- Per channel programmable window comparator
- False trigger avoidance with programmable hysteresis
- Enhanced-SPI digital interface:
- 1MSPS throughput with 16MHz SCLK
- High-speed, 50MHz digital interface
- Wide operating range:
- External VREF input range: 2.5V to 5V
- AVDD from 3V to 5.5V
- DVDD from 1.65V to 5.5V
- –40°C to +125°C temperature range
The ADS816x is a family of 16-bit, 8-channel, high-precision successive approximation register (SAR) analog-to-digital converters (ADCs). The ADCs operate from a single 5V supply with a 1MSPS (ADS8168), 500kSPS (ADS8167), and 250kSPS (ADS8166) total throughput.
The input multiplexer supports extended settling time, which makes driving the analog inputs easier. The output of the multiplexer and ADC analog inputs are available as device pins. This configuration allows one ADC driver op amp to be used for all eight analog inputs of the multiplexer.
The ADS816x features a digital window comparator with programmable high and low alarm thresholds per analog input channel. The single op-amp solution with programmable alarm thresholds enables low power, low cost, and smallest form-factor applications.
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | ADS816x 8-Channel, 16-Bit, 1MSPS, SAR ADC With Direct Sensor Interface datasheet (Rev. D) | PDF | HTML | 04 Jun 2024 |
Circuit design | Circuit for protecting low-voltage SAR ADC from electrical overstress with minim (Rev. A) | PDF | HTML | 19 Sep 2024 | |
Application brief | Designing a Cost-Optimized DAQ Solution (Rev. B) | 24 Jun 2019 | ||
EVM User's guide | ADS8168EVM-PDK User's Guide | 16 Nov 2017 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
ADS8168EVM-PDK — ADS8168 8-channel 16-bit 1MSPS SAR ADC evaluation module performance demonstration kit (PDK)
The ADS8168 evaluation module (EVM) performance demonstration kit (PDK) is a platform for evaluating the performance of the ADS8168 successive-approximation register (SAR) analog-to-digital converter (ADC). The ADS8168EVM-PDK includes the ADS8168EVM board, the precision host interface (PHI) (...)
ADS8168 TINA-TI Transient Reference Design (Rev. A)
ADS8168 TINA-TI Transient Spice Model (Rev. A)
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)
Receivers
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
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 (RHB) | 32 | Ultra Librarian |
Ordering & quality
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- Lead finish/Ball material
- MSL rating/Peak reflow
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- Material content
- Qualification summary
- Ongoing reliability monitoring
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- Assembly location
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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