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Texas Instruments ADS8317IBDRBR
- Part No.:
- ADS8317IBDRBR
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 8-VDFN Exposed Pad
- Datasheet:
-
ADS8317IBDRBR.pdf
- Description:
- IC ADC 16BIT SAR 8SON
- Quantity:
- Payment:
- Shipping:
Inventory:2,020
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Product details
Overview
ADS8317IBDRBR from Texas Instruments is a 16-bit, SAR analog-to-digital converter with differential input, SPI/SSI-compatible serial interface, and microPower operation (2mW at 2.7V/100kHz). It delivers ±1.5LSB max INL, 89.6dB SNR at 10kHz, and supports 200kSPS throughput in SON-8 package. Used in isolated data acquisition and battery-operated sensor front-ends.
For engineers reviewing the ADS8317IBDRBR datasheet, ADS8317IBDRBR pinout, ADS8317IBDRBR application, or ADS8317IBDRBR equivalent, key selection criteria include differential input range (±VREF), low-power shutdown mode (0.3μW), reference flexibility (0.1V to VDD/2), and guaranteed no missing codes over full supply range.
Technical Context
The ADS8317IBDRBR implements a capacitive redistribution SAR architecture with integrated sample-and-hold, enabling single-cycle acquisition without pipeline delay. Its internal trim procedure stores calibration in non-volatile memory and updates after each acquisition cycle to maintain factory-adjusted linearity.
It operates with external clock (24kHz–4.8MHz) and external reference (0.1V to VDD/2), supporting both single-ended and fully differential analog input configurations. Digital interface uses CMOS/LVCMOS logic with LSB-first SPI timing and CS-controlled 3-state DOUT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit with no missing codes across full supply range - ensures monotonicity and precision in closed-loop control. |
| INL (max) | ±1.5 LSB at VDD = 2.7V - guarantees <0.023% full-scale error for high-accuracy measurement systems. |
| Throughput rate | 200 kSPS at VDD = 2.7V - enables real-time sampling of vibration or motor current waveforms. |
| Power dissipation | 2 mW at 2.7V/200kHz - allows continuous operation in energy-constrained portable instrumentation. |
| Reference range | 0.1 V to VDD/2 - permits flexible scaling (e.g., 1.25V ref for ±1.25V differential input at 2.7V supply). |
| SNR | 89.6 dB at 2.5VPP/10kHz - supports >14.5 ENOB for precision DC and low-frequency AC sensing. |
| Package | SON-8 (3mm × 3mm, thermal pad) - provides compact footprint and enhanced thermal performance for dense PCB layouts. |
Pinout & Package
ADS8317IBDRBR is housed in an 8-pin SON package (DRB) with exposed thermal pad requiring PCB soldering for thermal and mechanical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| REF | Analog input | External reference voltage input (0.1V to VDD/2); sets full-scale differential input range. |
| +IN | Analog input | Noninverting differential analog input; accepts signal up to VDD + 0.1V. |
| –IN | Analog input | Inverting differential analog input; defines common-mode center point. |
| GND | Power-supply connection | Analog ground reference for ADC core and reference circuitry. |
| CS/SHDN | Digital input | Active-low chip select; high level forces power-down mode (0.3μW). |
| DOUT | Digital output | LSB-first serial data output; tri-stated when CS is high. |
| DCLOCK | Digital input | Asynchronous data clock; controls conversion speed and serial timing (24kHz–4.8MHz). |
| VDD | Power-supply connection | Single supply rail (2.7V–5.5V); powers analog core, digital interface, and reference buffer. |
Key Features
| Feature | Design Value |
|---|---|
| MicroPower operation | 2mW at 2.7V/200kHz and 0.3μW in shutdown - extends battery life in remote sensors. |
| Differential input architecture | ±VREF full-scale range with common-mode rejection - rejects noise in industrial transducer interfaces. |
| Factory-trimmed linearity | ±1.5 LSB max INL stored in NV memory and updated per acquisition - eliminates system-level calibration. |
| SPI/SSI-compatible interface | LSB-first, CS-gated, 3-state DOUT - simplifies integration with TI C2000, ARM Cortex-M, and FPGA controllers. |
| Flexible reference support | 0.1V to VDD/2 range - enables use of low-drift external refs or internal LDO-derived references. |
Applications
| Battery-Operated Data Loggers | Isolated Current/Voltage Monitoring |
|---|---|
Use Scenario: Continuous 200kSPS sampling of shunt-based current and thermistor-based temperature in handheld multimeters. IC Role / Device Role / Timing Role: Primary 16-bit SAR ADC capturing synchronized analog inputs with minimal self-heating and no missing codes. Use Value: 2mW power at 200kSPS enables >1-year battery life; ±1.5 LSB INL ensures traceable metrology-grade accuracy. |
Use Scenario: High-voltage DC bus monitoring in solar inverters using opto-isolated signal paths. IC Role / Device Role / Timing Role: Isolated-side ADC digitizing differential sensor outputs with galvanically separated reference and digital interface. Use Value: Differential input rejects common-mode noise from switching converters; 0.1V–1.35V ref range matches isolated LDO outputs. |
| Simultaneous Multichannel Acquisition | Vibration Analysis Front-End |
Use Scenario: Synchronized sampling across 4+ channels in portable condition-monitoring equipment using shared clock and reference. IC Role / Device Role / Timing Role: Channel-specific ADC with deterministic 3.333μs conversion time and no pipeline latency. Use Value: LSB-first SPI output enables daisy-chained readout; SON-8 package allows dense channel packing on compact PCBs. |
Use Scenario: Low-noise acquisition of piezoelectric accelerometer outputs in predictive maintenance edge nodes. IC Role / Device Role / Timing Role: Precision front-end ADC capturing wideband mechanical signals with 1000kHz full-power bandwidth. Use Value: 89.6dB SNR and 104dB SFDR at 10kHz preserve harmonic content critical for FFT-based fault detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8321IDGKR | Pin-compatible MSOP-8 variant; ±2 LSB max INL; 250kSPS at 5V only; no 2.7V operation. | Requires 4.5–5.5V supply; less suitable for dual-supply or ultra-low-voltage systems. | Select when higher throughput (250kSPS) and 5V-only operation are acceptable and MSOP-8 is preferred. |
| ADS8860IRTER | 16-bit SAR with 1MSPS, SPI interface, and 1.8V–3.6V supply; ±1.5 LSB INL; different pinout and reference scheme. | Higher speed but lacks shutdown current <1μA; requires external reference buffer for best linearity. | Choose for faster sampling where power-down ultra-low leakage is not required and layout allows new footprint. |
Compared with ADS8317IBDRBR, ADS8321IDGKR offers higher throughput at 5V but sacrifices low-voltage operation and worst-case linearity, while ADS8860IRTER delivers 5× speed at cost of increased supply sensitivity and absence of sub-μW shutdown - making ADS8317IBDRBR optimal for battery longevity and 2.7V–5.5V design flexibility.
Availability
ADS8317IBDRBR is available at Aetrix Electronics and suitable for battery-operated systems, isolated data acquisition, simultaneous multichannel sampling, and vibration analysis requiring stable component supply across industrial temperature range (–40°C to +85°C).
Supply support for ADS8317IBDRBR 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, embedded processing, and high-reliability ICs for industrial, automotive, and communications markets.
The ADS8317IBDRBR belongs to TI's precision data converter portfolio, designed specifically for low-power, high-linearity applications in portable instrumentation, remote sensing, and isolated measurement systems.
FAQ
What is the maximum sampling rate supported by the ADS8317IBDRBR?
The ADS8317IBDRBR supports a maximum throughput rate of 200 kSPS when operating from a 2.7V supply and 250 kSPS at 5V. At 2.7V, this requires a 4.8MHz DCLOCK input and yields 2mW power dissipation. The device maintains ±1.5 LSB INL and 89.6dB SNR at full rate, making ADS8317IBDRBR suitable for high-fidelity waveform capture in portable test equipment.
Does the ADS8317IBDRBR require an external reference voltage?
Yes, the ADS8317IBDRBR requires an external reference voltage applied to the REF pin. It accepts any stable voltage from 0.1V to VDD/2 - for example, 1.25V at 2.7V supply or 2.5V at 5V supply. The reference directly sets the full-scale differential input range (±VREF), and its quality directly impacts gain error and noise performance. ADS8317IBDRBR does not include an internal reference.
What is the power consumption of the ADS8317IBDRBR in shutdown mode?
In shutdown mode (CS/SHDN = high), the ADS8317IBDRBR draws just 0.3 μW at 2.7V and 0.6 μW at 5V. This ultra-low standby power enables rapid wake-up with no calibration loss, as the device retains factory-trimmed linearity in non-volatile memory and reinitializes per acquisition. This behavior makes ADS8317IBDRBR ideal for duty-cycled sensor nodes.
Is the ADS8317IBDRBR pin-compatible with other devices in the same family?
Yes, the ADS8317IBDRBR is pin-compatible with the ADS8321 in both MSOP-8 and SON-8 packages. However, ADS8321 specifies ±2 LSB max INL and operates only from 4.5V–5.5V, whereas ADS8317IBDRBR guarantees ±1.5 LSB INL and supports 2.7V–5.5V operation. Pin compatibility enables drop-in replacement only when supply and accuracy requirements align - ADS8317IBDRBR is not a direct substitute in 2.7V systems.
What digital interface protocol does the ADS8317IBDRBR use?
The ADS8317IBDRBR uses an SPI/SSI-compatible serial interface with LSB-first data format, active-low CS/SHDN control, and asynchronous DCLOCK. It does not require a frame sync signal and outputs converted data immediately after CS assertion. DOUT enters high-impedance state when CS is high, allowing multiple ADS8317IBDRBR devices to share a common bus. No external level-shifting is needed for 2.7V or 5V controller I/O.
ADS8317IBDRBR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- microPOWER™
- Package/Case:
- 8-VDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 250k
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- SPI
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.7V ~ 3.6V, 5V
- Voltage - Supply, Digital:
- 2.7V ~ 3.6V, 5V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 8-SON (3x3)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADS8317IBDRBR FAQ
1.How can I place an order for ADS8317IBDRBR through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS8317IBDRBR 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 ADS8317IBDRBR reliable?
The price and inventory of ADS8317IBDRBR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS8317IBDRBR is usually 5 days.
3.What payment methods are accepted for ADS8317IBDRBR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS8317IBDRBR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS8317IBDRBR?
ADS8317IBDRBR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS8317IBDRBR 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 ADS8317IBDRBR?
For technical support, including ADS8317IBDRBR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS8317IBDRBR requirements.
6.How does Aetrix verify that ADS8317IBDRBR is sourced from the original manufacturer or authorized distributors?
All ADS8317IBDRBR 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 ADS8317IBDRBR meets industry standards.
7.What is the process for return or replacement of ADS8317IBDRBR?
All ADS8317IBDRBR units undergo pre-shipment inspection (PSI). If there is an issue with ADS8317IBDRBR, 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 ADS8317IBDRBR part is unused and in its original packaging.
Return procedure for ADS8317IBDRBR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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