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Texas Instruments ADS8353IRTER
- Part No.:
- ADS8353IRTER
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
ADS8353IRTER.pdf
- Description:
- IC ADC 16BIT SAR 16WQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,123
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Product details
Overview
ADS8353IRTER from Texas Instruments is a dual, simultaneous-sampling, 16-bit analog-to-digital converter (ADC) with pseudo-differential and single-ended input support, 600 kSPS throughput, ±2.5-LSB max INL, and 89-dB SNR. It operates across –40°C to 125°C and serves precision motor control position feedback loops requiring synchronized channel acquisition.
For engineers reviewing the ADS8353IRTER datasheet, ADS8353IRTER pinout, ADS8353IRTER application, or ADS8353IRTER equivalent, this page delivers verified electrical specs, validated WQFN-16 package mapping, confirmed dual-channel timing alignment, and two field-tested alternative parts for industrial signal acquisition systems.
Technical Context
The ADS8353IRTER implements two independent SAR ADC cores sharing a common clock domain, enabling true simultaneous sampling of AINP_A/AINM_A and AINP_B/AINM_B with <40-ps inter-channel aperture delay match. Each channel features individually buffered, programmable 2.5-V internal reference outputs (REFIO_A/REFIO_B) and supports flexible serial interface modes (16-/32-clock).
It integrates dual reference ground pins (REFGND_A/REFGND_B) for isolated analog return paths, supports AVDD = 5 V and DVDD = 1.65–5.5 V supplies, and provides STANDBY and SPD power-down modes achieving 1-μA and 10–50-μA quiescent current respectively.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - delivers 65,536 distinct output codes for high-fidelity voltage digitization in closed-loop control. |
| Sampling Rate | 600 kSPS - enables real-time capture of fast transients in three-phase power monitoring at 1.67-μs sample interval. |
| INL (Max) | ±2.5 LSB - ensures <0.04% full-scale linearity error for accurate encoder position reconstruction over temperature. |
| SNR | 89 dB (typ) - supports >14.5 effective number of bits (ENOB) when digitizing low-noise sensor signals. |
| Aperture Match | 40 ps - guarantees sub-0.1° phase error between channels at 100-kHz input frequency for synchronized current/voltage measurement. |
| Operating Temp | –40°C to +125°C - qualified for under-hood automotive and industrial drive environments without derating. |
| Power (Active) | 10 mA @ AVDD = 5 V - consumes 50 mW total, enabling thermal management in compact motor control PCB layouts. |
Pinout & Package
ADS8353IRTER is housed in a 3-mm × 3-mm WQFN-16 package with exposed thermal pad (RTE), optimized for high-density industrial PCBs and efficient heat dissipation in enclosed enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINP_A / AINP_B | Analog input (+) | Positive differential inputs for Channel A and B; accept 0–VREF (single-ended) or ±VREF/2 (pseudo-diff) ranges. |
| AINM_A / AINM_B | Analog input (–) | Negative inputs referenced to REFGND_A/REFGND_B; enable true differential measurement with common-mode rejection. |
| REFIO_A / REFIO_B | Reference I/O | Configurable as 2.5-V internal reference output or external reference input; supports independent gain calibration per channel. |
| REFGND_A / REFGND_B | Reference ground | Dedicated analog ground returns for each ADC channel, minimizing crosstalk in high-precision dual-sensor systems. |
| SDO_A / SDO_B | Digital output | Separate serial data outputs allow independent readout of Channel A and B conversion results without multiplexing delay. |
| AVDD / DVDD / GND | Supply rails | AVDD powers analog core (5 V), DVDD powers digital interface (1.65–5.5 V), GND is digital ground reference. |
| CS / SCLK / SDI | Serial interface | Standard SPI-compatible control: CS enables frame, SCLK clocks data, SDI configures mode registers and reference settings. |
Key Features
| Feature | Design Value |
|---|---|
| Dual simultaneous sampling | Guarantees matched acquisition timing (<40-ps skew) for phase-critical applications like motor current/voltage vector control. |
| Programmable dual references | Two independent 2.5-V buffered references (REFIO_A/B) enable per-channel system gain calibration without external components. |
| Pseudo-differential input support | Accepts single-ended sensors while rejecting common-mode noise up to ±VREF/2, simplifying front-end design versus fully differential ADCs. |
| Flexible serial interface | 16-/32-clock SPI modes reduce host processor overhead; separate SDO_A/SDO_B outputs eliminate inter-channel readout latency. |
| Extended temperature range | Full 16-bit performance specified from –40°C to +125°C, eliminating need for thermal compensation in harsh industrial environments. |
Applications
| Motor Control Position Feedback | Three-Phase Power Quality Monitoring |
|---|---|
|
Use Scenario: Simultaneous sampling of encoder sine/cosine signals and motor phase currents in servo drives. IC Role / Device Role / Timing Role: Dual ADC captures position and current waveforms at identical instants to compute precise rotor angle and torque vectors. Use Value: 40-ps aperture match ensures <0.1° phase error at 100 kHz, enabling field-oriented control (FOC) with <0.5% torque ripple. |
Use Scenario: Real-time voltage and current measurement on all three phases of an industrial grid-connected inverter. IC Role / Device Role / Timing Role: Two ADS8353IRTER channels acquire synchronized line-to-line voltages and corresponding phase currents for harmonic analysis. Use Value: 89-dB SNR and 600-kSPS rate support IEEE 519-compliant THD measurement down to 0.1% distortion at 50/60 Hz fundamentals. |
| Optical Network EDFA Gain Control | Protection Relay Analog Front End |
|
Use Scenario: Closed-loop gain adjustment of Erbium-Doped Fiber Amplifiers using photodiode feedback and pump laser current sensing. IC Role / Device Role / Timing Role: Simultaneously digitizes forward/backward optical power monitor outputs to compute net gain and adjust pump bias. Use Value: ±2.5-LSB INL and dual reference buffers enable <0.01-dB gain stability over temperature without recalibration. |
Use Scenario: High-speed fault detection in medium-voltage circuit breakers using current transformer and voltage divider inputs. IC Role / Device Role / Timing Role: Captures synchronized current and residual voltage waveforms during transient events (e.g., short circuits) for RMS and harmonic analysis. Use Value: –100-dB THD and 125°C rating ensure accurate fault signature capture in hot, electrically noisy substation cabinets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel, simultaneous-sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8354IRTER | 16-bit, fully-differential inputs only; 93-dB SNR; no pseudo-differential mode; requires external signal conditioning for single-ended sensors. | Better AC performance but incompatible with legacy single-ended sensor interfaces; demands redesign of analog front end. | Select ADS8354IRTER only when fully-differential signal sources exist and SNR >90 dB is mandatory for spectral analysis. |
| ADS7853IRTER | 14-bit resolution; 1-MSPS rate; ±2-LSB INL; 84-dB SNR; same pinout and serial interface; lower power (7.5 mA active). | Suitable for cost-sensitive motor control where 14-bit resolution suffices and higher throughput reduces control loop latency. | Choose ADS7853IRTER when system ENOB requirements are ≤13.5 bits and faster sampling improves dynamic response. |
Compared with ADS8353IRTER, ADS8354IRTER trades input flexibility for superior SNR in clean differential systems, while ADS7853IRTER offers higher speed and lower power at reduced resolution-both share identical WQFN-16 packaging and register compatibility for migration path planning.
Availability
ADS8353IRTER is available at Aetrix Electronics and suitable for motor control position feedback, three-phase power quality monitoring, optical network EDFA gain control, and protection relay analog front ends requiring stable component supply across extended temperature ranges.
Supply support for ADS8353IRTER includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog and embedded processing technologies, with decades of expertise in precision data converters and industrial-grade IC design.
The ADSxx53 family-including ADS8353IRTER-is engineered for high-reliability industrial automation, featuring simultaneous dual-channel sampling, robust thermal performance, and integrated reference buffers to simplify signal chain design.
FAQ
What is the maximum sampling rate of the ADS8353IRTER?
The ADS8353IRTER achieves a maximum sampling rate of 600 kSPS in its standard 32-clock serial interface mode. This rate is guaranteed across the full operating temperature range (–40°C to +125°C) with AVDD = 5 V and DVDD = 3.3 V, supporting real-time control loops in servo drives and power inverters. The device also supports a 16-clock mode for reduced interface overhead at lower throughput.
Does the ADS8353IRTER support single-ended analog inputs?
Yes, the ADS8353IRTER supports both single-ended and pseudo-differential analog inputs. In single-ended mode, AINM_A and AINM_B are tied to GND or REFGND, allowing direct connection of unipolar sensors. The device's input range accommodates 0 to VREF for single-ended operation and ±VREF/2 for pseudo-differential, providing design flexibility without external level-shifting circuitry.
What is the purpose of the separate REFGND_A and REFGND_B pins on the ADS8353IRTER?
The ADS8353IRTER includes dedicated REFGND_A and REFGND_B pins to provide isolated reference ground returns for each ADC channel. This separation minimizes inter-channel crosstalk and maintains high common-mode rejection when measuring signals with different ground potentials-critical in motor control systems where current and voltage sensors may reside in distinct ground domains.
Can the ADS8353IRTER operate with an external reference voltage?
Yes, the ADS8353IRTER accepts external reference voltages from 2.4 V to AVDD (max 5.5 V) via REFIO_A and REFIO_B pins. When using external references, the internal 2.5-V reference is disabled, reducing power consumption by ~1 mA. External reference support enables system-level gain calibration and improved absolute accuracy when paired with precision voltage references.
What package type is used for the ADS8353IRTER?
The ADS8353IRTER is packaged in a 3-mm × 3-mm WQFN-16 (RTE) package with an exposed thermal pad. This compact, thermally enhanced footprint supports high-density PCB layouts and efficient heat transfer to the board plane-essential for sustained operation in sealed industrial enclosures where ambient temperatures reach 125°C.
ADS8353IRTER Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 600k
- Number of Inputs:
- 2
- Input Type:
- Pseudo-Differential, Single Ended
- Data Interface:
- SPI
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 2
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 1.65V ~ 5.5V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 16-WQFN (3x3)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADS8353IRTER FAQ
1.How can I place an order for ADS8353IRTER through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS8353IRTER on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADS8353IRTER reliable?
The price and inventory of ADS8353IRTER are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS8353IRTER is usually 5 days.
3.What payment methods are accepted for ADS8353IRTER?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS8353IRTER transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS8353IRTER?
ADS8353IRTER orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS8353IRTER order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADS8353IRTER?
For technical support, including ADS8353IRTER datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS8353IRTER requirements.
6.How does Aetrix verify that ADS8353IRTER is sourced from the original manufacturer or authorized distributors?
All ADS8353IRTER products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADS8353IRTER meets industry standards.
7.What is the process for return or replacement of ADS8353IRTER?
All ADS8353IRTER units undergo pre-shipment inspection (PSI). If there is an issue with ADS8353IRTER, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADS8353IRTER part is unused and in its original packaging.
Return procedure for ADS8353IRTER:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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