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Texas Instruments ADS1013IRUGR
- Part No.:
- ADS1013IRUGR
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-XFQFN
- Datasheet:
-
ADS1013IRUGR.pdf
- Description:
- IC ADC 12BIT SIGMA-DELTA 10X2QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,538
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Product details
Overview
ADS1013IRUGR from Texas Instruments is a 12-bit, delta-sigma analog-to-digital converter (ADC) with integrated voltage reference and oscillator, supporting single-ended or differential input configurations. It operates from 2.0V to 5.5V, consumes only 150μA in continuous-conversion mode, delivers up to 3.3kSPS, and targets space- and power-constrained sensor measurement systems such as battery monitoring and portable instrumentation.
For engineers reviewing the ADS1013IRUGR datasheet, ADS1013IRUGR pinout, ADS1013IRUGR application, or ADS1013IRUGR equivalent, this page provides verified technical context, real-world design meaning for key specs, validated package and pin functions, confirmed alternative options, and supply-ready procurement details - all specific to the RUG (X2QFN-10) variant of ADS1013IRUGR.
Technical Context
The ADS1013IRUGR implements a delta-sigma ADC core with internal 1MHz oscillator (divided to 250kHz modulator frequency), fixed ±2.048V full-scale range, and no programmable gain amplifier or multiplexer. Its single-shot and continuous-conversion modes are controlled via I²C register writes, with conversion time precisely equal to 1/data rate (e.g., 303μs at 3.3kSPS).
It features an open-drain ALERT/RDY pin absent in functional use (no comparator or conversion-ready capability), uses ADDR pin for I²C address selection (four possible addresses), and relies entirely on its internal reference - no external reference support. Input impedance varies with signal condition: ~6MΩ common-mode and ~4.9MΩ differential at ±2.048V FSR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit noise-free resolution - guarantees monotonic output with no missing codes across full temperature range (–40°C to +125°C). |
| Max Sample Rate | 3.3kSPS - enables real-time monitoring of fast-changing analog signals like motor current transients or thermal spikes. |
| Supply Voltage | 2.0V to 5.5V - supports direct interface with Li-ion batteries (3.0–4.2V), 3.3V microcontrollers, and legacy 5V systems without level-shifting. |
| Quiescent Current | 150μA in continuous mode - allows >6-month operation on a 200mAh coin cell when sampling at 128SPS with periodic wake-up. |
| Input Configuration | 1 differential (AIN0–AIN1) or 1 single-ended (AIN0–GND) - requires external GND connection to AIN1 for SE mode; no internal MUX or PGA. |
| I²C Address Options | Four pin-selectable addresses (via ADDR pin logic levels) - permits up to four ADS1013IRUGR devices on same bus without address conflict. |
| Operating Temperature | –40°C to +125°C - qualified for under-hood automotive sensing, industrial motor drives, and outdoor IoT edge nodes. |
Pinout & Package
RUG package is a 10-pin, 1.5mm × 2mm × 0.4mm X2QFN leadless封装 with exposed thermal pad (not electrically connected). Pin numbering follows top-view orientation with pin 1 at top-left corner.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ADDR | I²C address select input | Configures one of four I²C slave addresses (0x48–0x4B); must be tied to VDD or GND - floating not allowed. |
| ALERT/RDY | Open-drain digital output | No functional use in ADS1013IRUGR - internally unconnected; must be left floating or pulled high externally if shared bus used. |
| GND | Analog ground reference | Primary return path for analog inputs and internal reference; requires low-inductance connection to system ground plane. |
| AIN0 | Positive analog input | Differential input (+) or single-ended input; voltage must stay within GND – 0.3V to VDD + 0.3V to avoid ESD diode conduction. |
| AIN1 | Negative analog input / SE reference | Differential input (–) or GND reference for single-ended mode; externally tied to GND when using AIN0 as SE input. |
| VDD | Analog power supply | Supplies core ADC, reference, and oscillator; requires 0.1μF ceramic decoupling capacitor placed ≤2mm from pin. |
| SCL | I²C clock input | Accepts standard/fast-mode I²C clocks (up to 400kHz); requires external pullup to VDD (typically 4.7kΩ). |
| SDA | I²C bidirectional data line | Open-drain I/O; shares pullup with SCL; supports multi-master arbitration and SMBus alert response protocol. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small X2QFN-10 package | 1.5mm × 2mm footprint - fits in <3mm² PCB area, enabling integration into wearables, hearing aids, and compact sensor nodes. |
| Internal voltage reference | Low-drift integrated reference eliminates need for external precision reference IC or trimming, reducing BOM count and layout complexity. |
| Internal oscillator | 1MHz factory-trimmed oscillator - removes requirement for external crystal or clock source, simplifying timing design and saving board space. |
| Single-cycle settling | Conversion completes in exactly 1/data-rate period - enables deterministic timing for closed-loop control or synchronized sampling. |
| I²C-compatible interface | Standard two-wire serial interface with four address options - interoperates with ARM Cortex-M, ESP32, PIC, and most MCU families without custom drivers. |
Applications
| Battery Voltage Monitoring | Portable Instrumentation |
|---|---|
Use Scenario: Real-time tracking of Li-ion cell voltage during charge/discharge cycles in handheld test equipment or medical monitors. IC Role / Device Role / Timing Role: ADC front-end converting analog battery sense signal to digital for MCU-based state-of-charge calculation. Use Value: 12-bit resolution and ±2.048V FSR enable 0.5mV measurement granularity; 150μA quiescent current extends runtime between calibrations. |
Use Scenario: Signal acquisition in handheld multimeters, thermal scanners, or portable gas detectors where size and battery life are critical. IC Role / Device Role / Timing Role: Primary analog digitizer interfacing directly with resistive sensors (RTDs, thermistors) or bridge outputs. Use Value: Ultra-small RUG package allows placement adjacent to sensor; wide 2.0–5.5V supply accommodates varied battery chemistries and power architectures. |
| Temperature Measurement Systems | Factory Automation Sensors |
Use Scenario: Ambient or contact temperature sensing in HVAC controllers, smart thermostats, or industrial edge gateways. IC Role / Device Role / Timing Role: Precision digitization of conditioned thermistor or RTD voltage outputs in low-power always-on nodes. Use Value: Fixed ±2.048V FSR matches typical ratiometric sensor output ranges; –40°C to +125°C rating ensures reliability in uncontrolled environments. |
Use Scenario: Analog signal conditioning for pressure, flow, or position feedback in PLC I/O modules or motor drive status monitoring. IC Role / Device Role / Timing Role: Isolated or non-isolated analog input channel providing calibrated digital values to industrial host processors. Use Value: I²C interface simplifies wiring vs parallel ADCs; 3.3kSPS supports dynamic process variable capture without oversampling burden. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 12-bit, low-power, I²C ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS1014IRUGR | Includes PGA (±0.256V to ±6.144V FSR) and digital comparator; identical RUG package and pinout. | Supports wider input ranges and over/under-voltage alerting - suitable when signal conditioning or threshold detection is required. | Select ADS1014IRUGR only if PGA gain flexibility or comparator functionality is needed; otherwise ADS1013IRUGR offers lower cost and simpler configuration. |
| ADS1113IRUGR | 16-bit resolution, 860SPS max, same RUG package, no PGA or comparator; higher INL (±1.5 LSB) and larger offset drift. | Delivers higher resolution for static measurements (e.g., precision weight scales), but sacrifices speed and adds complexity in low-noise layout. | Choose ADS1113IRUGR when resolution >12 bits is mandatory and sample rate <1kSPS suffices; ADS1013IRUGR better suits dynamic, power-sensitive designs. |
Compared with ADS1014IRUGR, ADS1013IRUGR reduces firmware overhead and eliminates PGA calibration steps; compared with ADS1113IRUGR, it trades resolution for 3.8× higher throughput and lower power - making ADS1013IRUGR optimal for responsive, battery-operated sensor nodes where 12-bit fidelity meets system requirements.
Availability
ADS1013IRUGR is available at Aetrix Electronics and suitable for battery voltage monitoring, portable instrumentation, temperature measurement systems, factory automation sensors, and consumer electronics requiring stable component supply across production lifecycles.
Supply support for ADS1013IRUGR 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 focused on analog and embedded processing technologies, with decades of expertise in precision data converters and low-power design.
The ADS101x product line was engineered specifically for space-constrained, battery-powered sensor interfaces - delivering integrated reference, oscillator, and I²C connectivity in sub-2mm² packages without sacrificing 12-bit performance.
FAQ
What is the full-scale input range of ADS1013IRUGR?
The ADS1013IRUGR has a fixed full-scale range of ±2.048V - unlike ADS1014/ADS1015, it does not include a programmable gain amplifier. This FSR yields a 1mV least-significant bit (LSB) step size, enabling precise measurement of signals such as thermistor divider outputs or shunt-based current sense voltages. The device's input pins (AIN0, AIN1) must remain within GND – 0.3V to VDD + 0.3V to prevent ESD diode conduction.
Does ADS1013IRUGR support differential or single-ended input modes?
Yes, ADS1013IRUGR supports both configurations: one differential input pair (AIN0–AIN1) or one single-ended input (AIN0 referenced to GND). For single-ended operation, AIN1 must be externally connected to system GND. Unlike ADS1015, ADS1013IRUGR lacks an input multiplexer - it cannot measure multiple channels or alternate input combinations. Its simplicity reduces configuration overhead and improves repeatability in dedicated-sensor applications.
Can the ALERT/RDY pin on ADS1013IRUGR be used for conversion ready or comparator alerts?
No - the ALERT/RDY pin in ADS1013IRUGR is not functionally connected internally. It is reserved for future variants (ADS1014/ADS1015) that implement comparator or conversion-ready logic. In ADS1013IRUGR, this pin must be left floating or pulled high with a weak resistor (e.g., 100kΩ) if shared on an I²C bus. No register bits control its behavior, and no timing diagrams or functional descriptions apply to this pin for ADS1013IRUGR.
What I²C addresses are supported by ADS1013IRUGR?
ADS1013IRUGR supports four I²C slave addresses: 0x48, 0x49, 0x4A, and 0x4B - selected by the logic level applied to the ADDR pin (GND = 0x48, VDD = 0x4B, and two intermediate states). This allows up to four ADS1013IRUGR devices on a single I²C bus without address collision. The device complies with standard and fast-mode I²C timing (up to 400kHz), and SDA/SCL require external pullup resistors to VDD.
Is an external reference required for ADS1013IRUGR?
No - ADS1013IRUGR integrates a low-drift voltage reference and does not support external reference inputs. All conversions are referenced to this internal source, eliminating the need for external precision references, associated filtering components, or layout-sensitive routing. Reference-related errors (initial accuracy, temperature drift) are fully included in the published gain error and gain drift specifications - no additional calibration is needed for typical industrial or consumer applications.
ADS1013IRUGR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 10-XFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 3.3k
- Number of Inputs:
- 1, 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- I2C
- Configuration:
- ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- Sigma-Delta
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 2V ~ 5.5V
- Voltage - Supply, Digital:
- 2V ~ 5.5V
- Features:
- Selectable Address
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 10-X2QFN (2x1.5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADS1013IRUGR FAQ
1.How can I place an order for ADS1013IRUGR through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS1013IRUGR 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 ADS1013IRUGR reliable?
The price and inventory of ADS1013IRUGR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS1013IRUGR is usually 5 days.
3.What payment methods are accepted for ADS1013IRUGR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS1013IRUGR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS1013IRUGR?
ADS1013IRUGR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS1013IRUGR 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 ADS1013IRUGR?
For technical support, including ADS1013IRUGR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS1013IRUGR requirements.
6.How does Aetrix verify that ADS1013IRUGR is sourced from the original manufacturer or authorized distributors?
All ADS1013IRUGR 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 ADS1013IRUGR meets industry standards.
7.What is the process for return or replacement of ADS1013IRUGR?
All ADS1013IRUGR units undergo pre-shipment inspection (PSI). If there is an issue with ADS1013IRUGR, 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 ADS1013IRUGR part is unused and in its original packaging.
Return procedure for ADS1013IRUGR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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