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Texas Instruments ADS1606IPAPT
- Part No.:
- ADS1606IPAPT
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-PowerTQFP
- Datasheet:
-
ADS1606IPAPT.pdf
- Description:
- IC ADC 16BIT SIGMA-DELTA 64HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,308
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Product details
Overview
ADS1606IPAPT from Texas Instruments is a 16-bit, 5MSPS delta-sigma analog-to-digital converter with integrated FIFO buffer, 2.45MHz bandwidth, ±0.0025dB passband ripple, and selectable on-chip reference. It operates from +5V analog, +3V digital, and +2.7V to +5.25V I/O supplies, and targets high-fidelity data acquisition in scientific instrumentation and medical imaging systems.
For engineers reviewing the ADS1606IPAPT datasheet, ADS1606IPAPT pinout, ADS1606IPAPT application, or ADS1606IPAPT equivalent, key selection considerations include its 10MSPS 2X mode capability, FIFO-level control via three dedicated pins, differential input architecture with ±1.467VREF full-scale range, and compatibility with TMS320C6000 DSPs via parallel 16-bit interface.
Technical Context
The ADS1606IPAPT employs a stable 2-1-1 pipelined delta-sigma modulator sampling at 40MSPS (fCLK = 40MHz), followed by a low-ripple linear-phase digital filter decimating to 5MSPS output. Its 2X mode reduces oversampling ratio from 8 to 4, doubling data rate to 10MSPS while maintaining 2.2MHz passband.
It features an adjustable first-in-first-out buffer controlled by FIFO_LEV[2:0] pins, supports both internal and external voltage references (2.5V–3.2V), and uses switched-capacitor input circuitry requiring precise drive timing-sampling window ≈12ns at 40MHz clock-with common-mode input centered at 2.0V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit-guarantees no missing codes and supports high-precision measurement of small signal variations in vibration analysis or medical imaging. |
| Data Rate | 5MSPS standard / 10MSPS in 2X mode-enables real-time capture of wideband signals up to 2.45MHz (−3dB) without aliasing. |
| SNR | 88dB at 100kHz, −2dBFS-delivers >14.6 effective bits for low-noise signal conditioning in automated test equipment. |
| THD | −99dB at 100kHz, −6dBFS-ensures minimal harmonic contamination in high-fidelity acquisition paths. |
| SFDR | 101dB at 100kHz, −6dBFS-supports detection of weak signals adjacent to strong interferers in spectral analysis. |
| Passband Ripple | ±0.0025dB to 2.2MHz-preserves amplitude integrity across critical frequency bands in scientific instruments. |
| Power Dissipation | 315–570mW-adjustable via RBIAS resistor to match system thermal constraints without sacrificing performance. |
Pinout & Package
ADS1606IPAPT is housed in a 64-pin HTQFP package with PowerPAD™ thermal pad (PAP designation), optimized for low thermal resistance (θJA = 25°C/W) in high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINP / AINN | Differential analog input | Accepts ±1.467VREF full-scale differential signal; requires 2.0V common-mode bias for optimal linearity. |
| VREFP / VREFN / VMID | Reference voltage terminals | Support internal (2.5–3.2V) or external reference; VMID provides midpoint bias for input stage. |
| DOUT[15:0] | Parallel digital output bus | 16-bit MSB-first output directly compatible with TMS320C6000 DSP data buses; synchronous to DRDY falling edge. |
| FIFO_LEV[2:0] | FIFO level configuration | Three dedicated inputs set FIFO depth (1–8 words); unique to ADS1606 and enables burst-mode data buffering. |
| 2XMODE / PD / RESET / CS / RD | Digital control inputs | Enable 2X mode, power-down, digital filter reset, chip select, and read strobe-supporting flexible system-level timing control. |
| OTR / DRDY | Status outputs | OTR flags input overrange condition; DRDY active-low pulse signals valid data ready on DOUT bus. |
Key Features
| Feature | Design Value |
|---|---|
| FIFO buffer with programmable depth | Adjustable 1–8-word FIFO (via FIFO_LEV[2:0]) absorbs timing jitter between ADC and host processor, easing real-time data handling. |
| Selectable on-chip reference | Internal 2.5–3.2V reference eliminates need for external precision reference in space-constrained designs, reducing BOM count. |
| Linear-phase digital filter | 2.45MHz −3dB bandwidth with ±0.0025dB passband ripple preserves phase coherence for time-domain analysis applications. |
| Adjustable analog power dissipation | RBIAS resistor sets IAVDD (85–135mA), enabling dynamic power scaling from 315mW to 570mW based on speed and thermal requirements. |
| Out-of-range monitoring | Dedicated OTR pin asserts high when |AINP−AINN| > 1.467VREF, providing immediate fault indication without software polling. |
Applications
| Scientific Instruments | Automated Test Equipment |
|---|---|
Use Scenario: High-resolution spectral analysis of laser interferometry signals in metrology systems. IC Role / Device Role / Timing Role: Primary digitizer capturing 2.45MHz bandwidth signals with <±0.0025dB gain flatness for calibrated amplitude measurement. Use Value: 88dB SNR and 101dB SFDR enable detection of sub-micron displacement harmonics buried in noise floor. | Use Scenario: Production-line validation of RF front-end components using swept-frequency stimulus-response testing. IC Role / Device Role / Timing Role: High-speed acquisition engine synchronizing to stimulus generator clocks for coherent sampling at 5MSPS. Use Value: 2X mode (10MSPS) supports faster test throughput; FIFO buffers transient bursts during switching transients. |
| Medical Imaging | Vibration Analysis |
Use Scenario: Ultrasound beamformer channel digitization in portable diagnostic devices. IC Role / Device Role / Timing Role: Analog front-end ADC converting echo return signals with minimal group delay distortion (5.2µs). Use Value: Linear-phase response preserves pulse shape fidelity for accurate time-of-flight calculation and image resolution. | Use Scenario: Real-time monitoring of bearing health in industrial motors using accelerometer-derived waveforms. IC Role / Device Role / Timing Role: High-dynamic-range digitizer capturing broadband mechanical resonance signatures up to 2MHz. Use Value: −99dB THD prevents harmonic masking of early-stage fault frequencies; 16-bit resolution resolves micro-g acceleration changes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed precision ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS1605IPAPT | No FIFO buffer; identical core ADC performance, pinout, and timing except FIFO_LEV[2:0] pins are NC. | Lacks burst-mode buffering; requires tighter host timing control for continuous 5MSPS streaming. | Select when FIFO is unnecessary and cost reduction is prioritized-same footprint and register map. |
| ADS1626IPAPT | 18-bit resolution, 1.25MSPS max, includes FIFO; lower speed but higher precision and improved SNR (92dB typical). | Better suited for static or low-bandwidth high-accuracy measurements (e.g., DC-coupled sensor arrays), not wideband dynamic capture. | Choose when resolution > speed: trades 4× lower data rate for +2 bits and +4dB SNR in low-noise environments. |
Compared with ADS1605IPAPT, the ADS1606IPAPT adds deterministic FIFO buffering for jitter tolerance; compared with ADS1626IPAPT, it delivers 4× higher throughput at 16-bit precision-making it optimal for bandwidth-critical, real-time acquisition where moderate resolution suffices.
Availability
ADS1606IPAPT is available at Aetrix Electronics and suitable for scientific instrumentation, automated test equipment, and medical imaging systems requiring stable component supply, long-term manufacturability, and TI-qualified automotive-grade temperature range (−40°C to +85°C).
Supply support for ADS1606IPAPT 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 signal chain solutions.
The ADS1606IPAPT belongs to TI's high-speed delta-sigma ADC family designed for demanding measurement applications where wide bandwidth, low distortion, and deterministic timing coexist-targeting test & measurement, medical, and industrial data acquisition.
FAQ
What is the maximum clock frequency supported by the ADS1606IPAPT?
The ADS1606IPAPT supports a maximum CLK input frequency of 50MHz, with typical operation at 40MHz. At fCLK = 40MHz, the modulator samples at 40MSPS and the digital filter decimates to 5MSPS output; increasing CLK to 50MHz raises data rate proportionally in 2X mode (up to 12.5MSPS), provided timing margins and power dissipation remain within specification limits for the ADS1606IPAPT.
Does the ADS1606IPAPT require an external reference voltage?
No-the ADS1606IPAPT includes a selectable on-chip reference (2.5–3.2V) enabled by pulling REFEN low. An external reference may be applied to VREFP/VREFN if higher stability or custom voltage is needed, but the internal reference eliminates external components for many applications. The ADS1606IPAPT datasheet specifies all reference-related parameters-including drift (50ppm/°C) and startup time (15ms)-for both configurations.
How does the FIFO function in the ADS1606IPAPT differ from the ADS1605IPAPT?
The ADS1606IPAPT integrates a user-configurable FIFO buffer controlled by FIFO_LEV[2:0] pins, supporting depths from 1 to 8 words; the ADS1605IPAPT has no FIFO and its FIFO_LEV pins are unconnected (NC). This FIFO allows the ADS1606IPAPT to absorb host processor latency, enabling reliable burst-mode capture and relaxed timing constraints-critical for deterministic data flow in real-time systems using the ADS1606IPAPT.
What are the absolute voltage limits on AINP and AINN for the ADS1606IPAPT?
For the ADS1606IPAPT, each analog input (AINP or AINN) must remain between 0.1V and 4.6V with respect to AGND under normal operation. Exceeding 4.6V risks linearity degradation; going below −0.1V activates ESD protection diodes. At −2dBFS input levels, the safe range tightens to 0.1V–4.2V. These limits ensure robust operation while preserving the ADS1606IPAPT's specified SNR, THD, and INL performance.
Can the ADS1606IPAPT interface directly with 5V logic systems?
Yes-the ADS1606IPAPT supports IOVDD from +2.7V to +5.25V, allowing direct interfacing with 3.3V, 5V, or mixed-voltage logic families. When IOVDD = 5V, VIH ≥ 3.5V and VOL ≤ 0.5V meet standard 5V TTL thresholds. All digital I/O pins (DOUT[15:0], DRDY, OTR, etc.) are fully compliant with 5V logic levels, eliminating level-shifter requirements in legacy 5V system designs using the ADS1606IPAPT.
ADS1606IPAPT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 64-PowerTQFP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 5M
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- Parallel
- Configuration:
- ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- Sigma-Delta
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 2.7V ~ 3.3V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 64-HTQFP (10x10)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADS1606IPAPT FAQ
1.How can I place an order for ADS1606IPAPT through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS1606IPAPT 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 ADS1606IPAPT reliable?
The price and inventory of ADS1606IPAPT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS1606IPAPT is usually 5 days.
3.What payment methods are accepted for ADS1606IPAPT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS1606IPAPT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS1606IPAPT?
ADS1606IPAPT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS1606IPAPT 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 ADS1606IPAPT?
For technical support, including ADS1606IPAPT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS1606IPAPT requirements.
6.How does Aetrix verify that ADS1606IPAPT is sourced from the original manufacturer or authorized distributors?
All ADS1606IPAPT 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 ADS1606IPAPT meets industry standards.
7.What is the process for return or replacement of ADS1606IPAPT?
All ADS1606IPAPT units undergo pre-shipment inspection (PSI). If there is an issue with ADS1606IPAPT, 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 ADS1606IPAPT part is unused and in its original packaging.
Return procedure for ADS1606IPAPT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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