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Texas Instruments THS1009IDA
- Part No.:
- THS1009IDA
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-TSSOP (0.240", 6.10mm Width)
- Datasheet:
-
THS1009IDA.pdf
- Description:
- IC ADC 10BIT PIPELINED 32TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,414
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Product details
Overview
THS1009IDA from Texas Instruments is a 10-bit, 8 MSPS simultaneous-sampling analog-to-digital converter (ADC) with dual analog inputs configurable as single-ended or differential. It delivers 59 dB SINAD at 2 MHz input frequency, ±1 LSB INL/DNL, and operates from a single 5-V analog supply with internal 2.5-V reference output. It is used in radar front-ends requiring synchronized dual-channel acquisition.
For engineers reviewing the THS1009IDA datasheet, THS1009IDA pinout, THS1009IDA application, or THS1009IDA equivalent, key selection criteria include simultaneous dual-channel sampling capability, glueless DSP interface support, 8 MSPS per-channel throughput in single-input mode, and –40°C to 85°C industrial temperature rating.
Technical Context
The THS1009IDA employs a multistage pipelined ADC architecture with output error correction logic to guarantee no missing codes across its full operating temperature range. Its dual-input structure supports independent configuration-each channel can be set to single-ended or differential mode via control register programming.
It features programmable digital interface modes (3-V or 5-V compatible), auto-scan for two inputs, and flexible reference options: internal 1.5 V/3.5 V references (±5% accuracy, 50 ppm/°C drift) or external reference via REFP/REFM pins. Conversion latency is fixed at 5 CONV_CLK cycles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - defines quantization step size of ~4.88 mV for 5-V full-scale range |
| Max Sampling Rate | 8 MSPS per channel (single-input mode) - enables real-time capture of signals up to ~3.5 MHz Nyquist bandwidth |
| SINAD | 59 dB at fI = 2 MHz (differential) - determines usable dynamic range for high-fidelity signal digitization |
| INL / DNL | ±1 LSB - ensures monotonicity and linearity critical for closed-loop control and measurement accuracy |
| Reference | Internal 2.5-V REFOUT (±5%, 50 ppm/°C) - provides stable, traceable scaling without external components |
| Power Dissipation | 216 mW max at 5 V - supports thermally constrained embedded systems with active cooling or low-duty-cycle operation |
| Operating Temp | –40°C to +85°C - qualified for automotive under-hood, industrial motor control, and outdoor communications equipment |
Pinout & Package
TSSOP-32 (DA package) with exposed thermal pad; 0.65-mm pitch; 7.0 mm × 4.4 mm footprint; RoHS-compliant lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINP / AINM | Analog input pair | Simultaneously sampled differential input channel A; supports single-ended use of either pin |
| CONV_CLK | Digital input | Falling-edge-triggered conversion clock; determines sampling rate and pipeline timing |
| SYNC | Digital output | Indicates valid data availability on bus for channel A in multichannel mode; enables synchronization across multiple ADCs |
| D0–D9 | Digital I/O | 10-bit parallel data bus; outputs converted sample; supports binary or two's complement format |
| CS0 / CS1 / RD / WR | Digital control inputs | Configurable chip select and read/write interface for µC/DSP glueless connection; supports 3-V or 5-V logic levels |
| REFP / REFM / REFOUT / REFIN | Analog reference terminals | Support internal reference (3.5 V / 1.5 V) or external reference; REFOUT provides buffered 2.5-V reference for system-level stability |
| AVDD / AGND / DVDD / DGND / BVDD / BGND | Supply rails | Separate analog/digital/buffer supplies minimize noise coupling; required decoupling per datasheet layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous dual-channel sampling | Enables time-aligned acquisition of two sensor signals (e.g., I/Q in radar) without inter-channel skew |
| Programmable input configuration | Each channel independently selectable as single-ended or differential via control registers CR0/CR1 |
| Glueless DSP interface | Direct connection to TI C5000/C6000 DSPs without level shifters or timing adapters |
| Auto-scan mode | Hardware-controlled round-robin sampling of two single-ended inputs reduces host processor overhead |
| Internal voltage reference | Integrated 2.5-V REFOUT with 250 µA drive capability eliminates need for external reference IC in cost-sensitive designs |
Applications
| Radar Signal Acquisition | Communications Front-End |
|---|---|
Use Scenario: Digitizing I/Q baseband signals from RF downconverters in pulsed Doppler radar systems. IC Role / Device Role / Timing Role: Simultaneous-sampling dual-channel ADC capturing phase-coherent analog inputs for real-time FFT processing. Use Value: 59 dB SINAD and ±1 LSB linearity preserve target resolution and clutter rejection performance at 8 MSPS. | Use Scenario: High-speed data acquisition in software-defined radio (SDR) receivers handling multi-carrier LTE or WiMAX waveforms. IC Role / Device Role / Timing Role: Front-end ADC interfacing directly to TI TMS320C64xx DSP via parallel bus with SYNC-driven frame alignment. Use Value: Glueless DSP interface and 5-V tolerant digital I/O reduce BOM count and PCB routing complexity. |
| Industrial Motor Control | Automotive Sensor Hub |
Use Scenario: Sampling current and voltage feedback signals from three-phase inverters in servo drives. IC Role / Device Role / Timing Role: Dual-channel ADC acquiring synchronized current (AINP) and DC-link voltage (AINM) for vector control algorithms. Use Value: –40°C to +85°C rating and 216 mW power envelope enable integration into compact, fanless drive enclosures. | Use Scenario: Consolidating analog sensor inputs (e.g., pressure, temperature, acceleration) in ADAS domain controllers. IC Role / Device Role / Timing Role: High-accuracy ADC providing calibrated 10-bit samples to microcontroller ADC subsystem for sensor fusion. Use Value: Internal 2.5-V REFOUT serves as precision reference for other on-board analog circuits, improving system-level accuracy. |
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 |
|---|---|---|---|
| ADS8325IPW | 16-bit, 100 kSPS SAR ADC; no simultaneous sampling; serial SPI interface only | Lower speed, higher resolution; suited for precision instrumentation, not real-time radar | Select when resolution > speed; avoid for time-critical dual-channel sync |
| THS1209IDA | 12-bit, 8 MSPS; identical DA package, pinout, and control register map; same temperature grade | Higher resolution with same timing, interface, and layout compatibility | Drop-in upgrade path if ENOB > 9.5 bits required; shares THS1009IDA's driver and layout |
Compared with ADS8325IPW, THS1009IDA delivers 8 MSPS simultaneous sampling and parallel interface essential for radar; compared with THS1209IDA, it trades 2 bits of resolution for lower cost and reduced digital processing load in 10-bit-limited systems.
Availability
THS1009IDA is available at Aetrix Electronics and suitable for radar signal acquisition, industrial motor control, and automotive sensor hub applications requiring stable component supply across extended temperature ranges.
Supply support for THS1009IDA 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 connectivity technologies with over 50 years of innovation in data converters and signal chain solutions.
The THS1009IDA belongs to TI's high-speed precision ADC product line, designed specifically for real-time acquisition in radar, communications, and industrial control where simultaneous dual-channel sampling and DSP interoperability are mandatory.
FAQ
What is the maximum sampling rate of the THS1009IDA in dual-channel mode?
The THS1009IDA achieves 4 MSPS per channel when both analog inputs are enabled in continuous conversion mode. This is derived from its 8 MSPS total throughput divided across two channels, as specified in Table 1 of the SLAS287A datasheet. The device maintains simultaneous sampling integrity at this rate, preserving phase alignment between channels for coherent signal processing in applications like I/Q demodulation.
Does the THS1009IDA support differential input configuration?
Yes, the THS1009IDA supports differential input configuration on its AINP/AINM pair. When configured via control register CR0 (DIFF0/DIFF1 bits), it accepts differential signals with full-scale range defined by VREFP–VREFM (2 V nominal). This mode delivers superior 59 dB SINAD and 65 dB SFDR versus single-ended operation, making it ideal for noise-sensitive applications such as radar receiver front-ends.
How is the THS1009IDA interfaced with a DSP without external logic?
THS1009IDA provides a glueless DSP interface through its parallel 10-bit data bus (D0–D9), programmable RD/WR control, and SYNC output. It supports direct connection to TI C5000/C6000 DSPs using standard memory-mapped I/O timing, eliminating level shifters or state machines. The SYNC signal aligns data reads with channel validity, enabling deterministic multichannel acquisition in real-time systems.
What reference voltage options does the THS1009IDA offer?
The THS1009IDA offers both internal and external reference options. Internally, it generates 1.5 V (REFM) and 3.5 V (REFP) references with ±5% accuracy and 50 ppm/°C drift, plus a buffered 2.5-V REFOUT. Externally, users may apply custom references to REFP/REFM pins-configurable via CR0 bit VREF-and bypass them with 10-µF capacitors to AGND for stability.
Is the THS1009IDA pin-compatible with other devices in the THS1009 family?
Yes, all THS1009 variants-including THS1009CDA (0°C to 70°C) and THS1009IDA (–40°C to 85°C)-share identical DA-package pinout, electrical characteristics, and control register mapping. The only difference is temperature qualification; thus, THS1009IDA can replace THS1009CDA in industrial or automotive designs without PCB or firmware changes.
THS1009IDA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 32-TSSOP (0.240", 6.10mm Width)
- Packaging:
- Bulk
- Product Status:
- Active
- Number of Bits:
- 10
- Sampling Rate (Per Second):
- 8M
- Number of Inputs:
- 1, 2
- Input Type:
- Differential, Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-MUX-ADC
- Ratio - S/H:ADC:
- 2:1
- Number of A/D Converters:
- 1
- Architecture:
- Pipelined
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 5V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 32-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
THS1009IDA FAQ
1.How can I place an order for THS1009IDA through Aetrix?
Please submit a Request for Quotation (RFQ) for THS1009IDA 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 THS1009IDA reliable?
The price and inventory of THS1009IDA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for THS1009IDA is usually 5 days.
3.What payment methods are accepted for THS1009IDA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for THS1009IDA transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for THS1009IDA?
THS1009IDA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your THS1009IDA 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 THS1009IDA?
For technical support, including THS1009IDA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your THS1009IDA requirements.
6.How does Aetrix verify that THS1009IDA is sourced from the original manufacturer or authorized distributors?
All THS1009IDA 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 THS1009IDA meets industry standards.
7.What is the process for return or replacement of THS1009IDA?
All THS1009IDA units undergo pre-shipment inspection (PSI). If there is an issue with THS1009IDA, 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 THS1009IDA part is unused and in its original packaging.
Return procedure for THS1009IDA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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