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Texas Instruments ADS8353QPWQ1
- Part No.:
- ADS8353QPWQ1
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADS8353QPWQ1.pdf
- Description:
- IC ADC 16BIT SAR 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,128
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Product details
Overview
ADS8353QPWQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified 16-bit, dual-channel simultaneous-sampling analog-to-digital converter (ADC) with ±0.6-LSB DNL, 89-dB SNR, and 600-kSPS throughput. It supports single-ended and pseudo-differential inputs, features dual programmable 2.5-V internal references, and operates across –40°C to +125°C for battery management system voltage/current monitoring.
For engineers reviewing the ADS8353QPWQ1 datasheet, ADS8353QPWQ1 pinout, ADS8353QPWQ1 application, or ADS8353QPWQ1 equivalent, key selection criteria include simultaneous sampling integrity, automotive-grade thermal stability, dual-reference calibration capability, and TSSOP-16 package compatibility with high-density BMS PCB layouts.
Technical Context
The ADS8353QPWQ1 implements two independent SAR ADC cores with shared serial interface and dual CDAC reference paths, enabling true simultaneous acquisition of two analog channels without inter-channel skew. Its architecture supports per-channel reference voltage programming (REFDAC_A/REFDAC_B) and full-scale range selection (VREF or 2×VREF) via configuration register bits CFR.B6, CFR.B9, and CFR.B7.
It delivers functional safety support through documented failure modes and diagnostic coverage guidance, while maintaining dc accuracy (±1-LSB INL, ±0.05% gain error) and ac performance (–100-dB THD) over temperature. Power optimization includes STANDBY and SPD low-power modes with sub-µA shutdown current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - enables 1:65,536 dynamic range for precise voltage/current digitization in BMS cell monitoring. |
| Sampling Rate | 600 kSPS - supports real-time control loop sampling for DC/DC converters and PCS systems. |
| INL / DNL | ±1 LSB / ±0.6 LSB - ensures monotonicity and linearity critical for closed-loop feedback accuracy. |
| SNR / THD | 89 dB / –100 dB - provides clean signal capture for high-fidelity power conversion monitoring. |
| Reference | Dual 2.5-V internal references, 10 ppm/°C drift - allows independent channel gain calibration without external components. |
| Temperature Range | –40°C to +125°C - meets AEC-Q100 Grade 1 requirements for under-hood automotive electronics. |
| Supply Voltages | AVDD: 4.5–5.5 V; DVDD: 1.65–5.5 V - supports mixed-voltage host controller interfacing in automotive ECUs. |
Pinout & Package
ADS8353QPWQ1 is housed in a 16-pin TSSOP package (5.00 mm × 4.40 mm), optimized for thermal dissipation and board space efficiency in automotive power modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINP_A / AINP_B | Positive analog input (Channel A/B) | Accepts single-ended or pseudo-differential signals; requires ≤40-pF source impedance for full accuracy. |
| AINM_A / AINM_B | Negative analog input (Channel A/B) | Configurable as GND (single-ended) or mid-scale reference (pseudo-differential); matched to AINP for common-mode rejection. |
| REFIO_A / REFIO_B | Reference voltage I/O (Channel A/B) | Connects to internal DAC or external reference; decoupled with 10-µF capacitor to REFGND_A/REFGND_B. |
| REFGND_A / REFGND_B | Reference ground (Channel A/B) | Separate ground return for each reference path to prevent crosstalk-induced gain error. |
| SCLK / CS / SDI / SDO_A / SDO_B | Serial interface signals | Supports 20-MHz SPI-compatible timing; dual SDO outputs enable independent channel readout without interleaving delay. |
| AVDD / DVDD / GND | Analog/digital supply and ground | Split supplies reduce digital noise coupling; AVDD powers SAR core and reference, DVDD powers digital interface. |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous sampling | True concurrent acquisition on both channels with <40-ps inter-channel aperture mismatch-eliminates phase error in dual-sensor control loops. |
| Dual programmable references | Independent REFDAC_A/REFDAC_B registers allow per-channel gain calibration to compensate for sensor or front-end amplifier mismatches. |
| Input configuration flexibility | Software-selectable single-ended or pseudo-differential mode (CFR.B7) plus VREF/2×VREF range (CFR.B9)-adapts to diverse sensor output types without hardware change. |
| Automotive qualification | AEC-Q100 Grade 1, HBM ±2000 V, CDM Level C4B-validated for harsh environments including battery packs and power converters. |
| Low-power operation | STANDBY mode draws only 2.5 mA (AVDD), SPD mode reduces to 1 µA-enables energy-efficient wake-on-event architectures. |
Applications
| Battery Management Systems (BMS) | DC/DC Converters |
|---|---|
Use Scenario: Monitoring individual cell voltages and pack current in high-voltage EV battery stacks. IC Role / Device Role / Timing Role: Simultaneously samples voltage across two cells and shunt voltage for real-time SoC/SoH calculation. Use Value: 16-bit resolution and ±0.6-LSB DNL ensure <1-mV measurement accuracy at 600-kSPS, meeting ISO 26262 ASIL-C diagnostic requirements. | Use Scenario: Digitizing feedback signals from primary and secondary side sensors in isolated bidirectional DC/DC converters. IC Role / Device Role / Timing Role: Captures synchronized voltage and current waveforms to compute real-time power transfer and detect fault conditions. Use Value: Dual-channel simultaneity eliminates time-skew errors in power calculations; 89-dB SNR preserves signal fidelity under high dv/dt switching noise. |
| Energy Storage PCS | Solar Arc Protection |
Use Scenario: High-accuracy voltage and current sensing in grid-tied energy storage inverters for reactive power control. IC Role / Device Role / Timing Role: Samples AC line voltage and inverter output current with matched timing to compute instantaneous power factor. Use Value: ±1-LSB INL and –100-dB THD enable precise harmonic analysis required for IEEE 1547 compliance testing. | Use Scenario: Detecting microsecond-level arc signatures by sampling PV string voltage and current at high speed. IC Role / Device Role / Timing Role: Provides synchronized dual-channel capture to identify voltage-current phase anomalies indicative of series arcs. Use Value: 600-kSPS throughput with <730-ns conversion time enables detection of arcs within 2 µs-meeting UL 1699B Class A response time. |
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 |
|---|---|---|---|
| ADS8354QPWQ1 | Same architecture but with 18-bit resolution and 250-kSPS max rate; higher SNR (92 dB) but lower throughput. | Better suited for precision measurement where speed is secondary to resolution (e.g., insulation monitoring). | Select ADS8354QPWQ1 when >16-bit resolution is mandatory and 250-kSPS suffices; ADS8353QPWQ1 preferred for real-time control loops requiring 600-kSPS. |
| AD7380BCPZ-RL7 | 16-bit, 4-MSPS, single-channel SAR ADC with integrated reference; no simultaneous dual-channel capability. | Requires two devices and external synchronization for dual-channel use-increases BOM cost and layout complexity. | Choose AD7380BCPZ-RL7 only if single-channel sampling at >1-MSPS is needed; ADS8353QPWQ1 offers native dual-channel simultaneity in one package. |
Compared with ADS8354QPWQ1 and AD7380BCPZ-RL7, ADS8353QPWQ1 uniquely balances 16-bit precision, 600-kSPS dual-channel simultaneity, and automotive qualification in a single TSSOP-16 package-making it optimal for space-constrained, safety-critical BMS and power conversion systems.
Availability
ADS8353QPWQ1 is available at Aetrix Electronics and suitable for battery management systems, DC/DC converters, and energy storage power conversion systems requiring stable component supply across automotive production lifecycles.
Supply support for ADS8353QPWQ1 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 deep expertise in high-reliability automotive IC design.
The ADS8353QPWQ1 belongs to TI's automotive-qualified precision ADC product line, engineered specifically for real-time, simultaneous multi-sensor monitoring in electric vehicle powertrain and energy storage systems.
FAQ
What is the maximum sampling rate supported by the ADS8353QPWQ1?
The ADS8353QPWQ1 supports a maximum sampling rate of 600 kSPS with guaranteed timing performance across its full operating temperature range (–40°C to +125°C). This rate is achieved using the internal 2.5-V reference and AVDD = 5 V, DVDD = 3.3 V, and is validated per the timing specifications in Section 6.7 of the datasheet. At this rate, the ADS8353QPWQ1 maintains 89-dB SNR and ±0.6-LSB DNL, making it suitable for high-speed control loop applications such as DC/DC converter feedback.
Does the ADS8353QPWQ1 support true simultaneous sampling across both channels?
Yes, the ADS8353QPWQ1 implements true simultaneous sampling using two independent SAR ADC cores with matched aperture timing. The inter-channel aperture mismatch is specified at ≤40 ps, ensuring phase-coherent acquisition for applications like dual-shunt current sensing or differential voltage monitoring. This capability is intrinsic to the device architecture and does not require external synchronization signals-both channels convert the sampled analog values concurrently on every clock cycle.
Can the ADS8353QPWQ1 operate with external reference sources?
Yes, the ADS8353QPWQ1 supports external reference operation via the REFIO_A and REFIO_B pins. When CFR.B6 = 0, the internal reference is disabled and the device uses externally supplied reference voltages-each channel can accept a separate reference up to AVDD. External reference mode maintains full 16-bit performance, including ±1-LSB INL and 89-dB SNR, provided the external source meets the 10-µF decoupling and ±0.1-µA leakage requirements specified in Section 6.5 of the ADS8353QPWQ1 datasheet.
What package type is used for the ADS8353QPWQ1, and is it RoHS compliant?
The ADS8353QPWQ1 is packaged in a 16-pin TSSOP (PW) with nominal body dimensions of 5.00 mm × 4.40 mm. This package is lead-free and RoHS compliant, meeting JEDEC standard J-STD-020 moisture sensitivity level 3 (MSL-3) and qualified per AEC-Q100. Thermal resistance is RθJA = 99°C/W, supporting reliable operation in high-temperature automotive environments without forced airflow.
How does the ADS8353QPWQ1 support functional safety compliance in automotive systems?
The ADS8353QPWQ1 is designated Functional Safety-Capable, with documentation-including failure mode effects analysis (FMEA), diagnostic coverage reports, and FIT rate data-available to support ISO 26262 ASIL-B or ASIL-C system-level certification. It features built-in self-test capabilities, robust ESD protection (HBM ±2000 V, CDM Level C4B), and guaranteed parametric performance over temperature, enabling developers to implement diagnostics such as reference monitor, CRC checking, and stuck-at-pin detection within their safety manager firmware.
ADS8353QPWQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 600k
- Number of Inputs:
- 2
- Input Type:
- Pseudo-Differential, Single Ended
- Data Interface:
- Serial
- Configuration:
- ADC
- Ratio - S/H:ADC:
- 0:1
- Number of A/D Converters:
- 2
- Architecture:
- SAR
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 4.5V ~ 5.5V
- Voltage - Supply, Digital:
- 1.65V ~ 5.5V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 16-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
ADS8353QPWQ1 FAQ
1.How can I place an order for ADS8353QPWQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS8353QPWQ1 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 ADS8353QPWQ1 reliable?
The price and inventory of ADS8353QPWQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS8353QPWQ1 is usually 5 days.
3.What payment methods are accepted for ADS8353QPWQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS8353QPWQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS8353QPWQ1?
ADS8353QPWQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS8353QPWQ1 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 ADS8353QPWQ1?
For technical support, including ADS8353QPWQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS8353QPWQ1 requirements.
6.How does Aetrix verify that ADS8353QPWQ1 is sourced from the original manufacturer or authorized distributors?
All ADS8353QPWQ1 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 ADS8353QPWQ1 meets industry standards.
7.What is the process for return or replacement of ADS8353QPWQ1?
All ADS8353QPWQ1 units undergo pre-shipment inspection (PSI). If there is an issue with ADS8353QPWQ1, 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 ADS8353QPWQ1 part is unused and in its original packaging.
Return procedure for ADS8353QPWQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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