ADS8598S
18-Bit 200kSPS 8-Channel Simultaneous-Sampling ADC With Bipolar Inputs on a Single Supply
ADS8598S
- 18-Bit ADC With Integrated Analog Front-End
- Simultaneous Sampling: 8 Channels
- Pin-Programmable Bipolar Inputs: ±10 V and ±5 V
- High Input Impedance: 1 MΩ
- 5-V Analog Supply: 2.3-V to 5-V I/O Supply
- Overvoltage Input Clamp With 9-kV ESD
- Low-Drift, On-Chip Reference (2.5 V) and Buffer
- Excellent Performance:
- 200-kSPS Max Throughput on All Channels
- DNL: ±0.5 LSB Typ; INL: ±2.0 LSB Typ
- SNR: 94 dB Typ; THD: −109 dB Typ
- Over Temperature Performance:
- Max Offset Drift: 3 ppm/°C
- Gain Drift: 6 ppm/°C
- On-Chip Digital Filter for Oversampling
- Flexible Parallel, Byte, and Serial Interface
- Temperature Range: –40°C to +125°C
- Package: LQFP-64
The ADS8598S device is an 8-channel, integrated data acquisition (DAQ) system based on a 18-bit successive approximation (SAR) analog-to-digital converter (ADC). All input channels are simultaneously sampled to achieve a maximum throughput of 200 kSPS per channel. The device features a complete analog front-end (AFE) for each channel, including a programmable gain amplifier (PGA) with high input impedance of 1 MΩ, input clamp, low-pass filter, and an ADC input driver. The device also features a low-drift, precision reference with a buffer to drive the ADC. A flexible digital interface supporting serial, parallel, and parallel byte communication enables the device to be used with a variety of host controllers.
The ADS8598S can be configured to accept ±10-V or ±5-V true bipolar inputs using a single 5-V supply. The high input impedance allows direct connection with sensors and transformers, thus eliminating the need for external driver circuits. The high performance and accuracy, along with zero-latency conversions offered by this device, also makes the ADS8598S a great choice for many industrial automation and control applications.
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | ADS8598S 18-Bit, 200-kSPS, 8-Channel, Simultaneous-Sampling ADC With Bipolar Inputs on a Single Supply datasheet | PDF | HTML | 28 Sep 2017 |
Circuit design | Circuit showing overstress protection on ADC with integrated analog front end (Rev. A) | PDF | HTML | 23 Sep 2024 | |
Circuit design | Reducing effects of external RC filter circuit on gain and drift error (Rev. B) | PDF | HTML | 19 Sep 2024 | |
Circuit design | Circuit to increase input range on an integrated analog front end (AFE) SAR ADC (Rev. B) | PDF | HTML | 12 Sep 2024 | |
Circuit design | Input Protection for High-Voltage ADC Circuit with TVS Diode (Rev. A) | PDF | HTML | 02 May 2023 | |
Application note | Circuit for detecting input floating on ADS8681 ADC | PDF | HTML | 31 Mar 2021 | |
Application note | Extending Input Voltage Range and Understanding Associated Errors for ADC With I | 09 Nov 2018 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
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Supported products & hardware
Products
Precision ADCs
Biosensing AFEs
Integrated precision ADCs & DACs
High-speed ADCs (≥10 MSPS)
Series voltage references
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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
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Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
LQFP (PM) | 64 | Ultra Librarian |
Ordering & quality
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Support & training
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