My Inquiry
My Account
Texas Instruments ADS1606IPAPRG4
- Part No.:
- ADS1606IPAPRG4
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 64-PowerTQFP
- Datasheet:
-
ADS1606IPAPRG4.pdf
- Description:
- IC ADC 16BIT SIGMA-DELTA 64HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,598
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
ADS1606IPAPRG4 from Texas Instruments is a 16-bit, 5MSPS delta-sigma analog-to-digital converter (ADC) 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 directly interfaces with TMS320C6000 DSPs for high-fidelity data acquisition in scientific instrumentation.
For engineers reviewing the ADS1606IPAPRG4 datasheet, ADS1606IPAPRG4 pinout, ADS1606IPAPRG4 application, or ADS1606IPAPRG4 equivalent, key selection criteria include its 88dB SNR at 100kHz, −99dB THD, 101dB SFDR, FIFO-level control via three dedicated pins, and TQFP-64 PowerPAD™ package compatibility with high-density PCB layouts.
Technical Context
The ADS1606IPAPRG4 employs a stable 2-1-1 pipelined delta-sigma modulator sampling at 40MSPS (fCLK = 40MHz), decimated by a linear-phase digital filter to deliver 5MSPS output data with 2.45MHz −3dB bandwidth. Its 2X mode reduces oversampling ratio from 8 to 4, doubling data rate to 10MSPS while maintaining signal integrity.
It measures differential input (AINP–AINN) against scaled reference (VREFP–VREFN), supports internal/external reference selection via REFEN, and uses RBIAS resistor to adjust analog power dissipation (315–570mW). The FIFO_LEV[2:0] interface enables programmable FIFO depth control exclusive to the ADS1606 variant.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Data Rate | 5MSPS (10MSPS in 2X mode); determines maximum real-time sampling throughput for time-critical acquisition systems. |
| SNR | 88dB at fIN = 100kHz, −2dBFS; defines usable dynamic range for low-noise signal capture in vibration analysis. |
| THD | −99dB at fIN = 100kHz, −6dBFS; ensures minimal harmonic contamination in medical imaging front-ends. |
| SFDR | 101dB at fIN = 100kHz, −6dBFS; enables detection of weak signals adjacent to strong interferers in automated test equipment. |
| Passband Ripple | ±0.0025dB up to 2.2MHz; preserves amplitude fidelity across wideband sensor outputs without post-processing correction. |
| Input Voltage Range | ±1.467VREF full-scale; supports ±4.4V differential input with 3V reference, reducing need for external signal conditioning. |
| Power Dissipation | 315–570mW adjustable via RBIAS; allows thermal optimization in compact embedded enclosures. |
Pinout & Package
The ADS1606IPAPRG4 is housed in a 64-pin HTQFP (PAP) package with TI PowerPAD™ thermal pad, enabling efficient heat dissipation in high-throughput ADC applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AINP / AINN | Differential analog input | Accepts ±1.467VREF differential signal; requires matched routing and common-mode voltage (VCM = 2.0V) for optimal linearity. |
| VREFP / VREFN | Reference voltage terminals | Define full-scale range; support internal (REFEN = low) or external 2.5–3.2V reference for system-level accuracy control. |
| FIFO_LEV[2:0] | FIFO level configuration | Three dedicated inputs set FIFO depth (1–8 words); enables burst-mode data buffering without host processor intervention. |
| DOUT[15:0] | Parallel data output bus | 16-bit MSB-first parallel interface; directly connects to TMS320C6000 EMIF with no glue logic required. |
| DRDY / RD / CS | Data handshaking | DRDY (active-low) signals valid data; RD and CS enable synchronous read cycles compatible with DSP memory-mapped timing. |
| 2XMODE / PD | Functional control | 2XMODE toggles between 5MSPS/10MSPS modes; PD (active-low) shuts down all circuitry to 5mW standby power. |
Key Features
| Feature | Design Value |
|---|---|
| FIFO buffer with level control | Adjustable 1–8-word depth via FIFO_LEV[2:0], decoupling ADC sampling from host read latency in real-time systems. |
| Linear-phase digital filter | 2.45MHz −3dB bandwidth with ±0.0025dB passband ripple preserves phase coherence for time-domain analysis. |
| Selectable reference architecture | Internal reference (50ppm/°C drift, 15ms startup) or external reference input enables trade-off between board space and precision stability. |
| Multi-supply I/O flexibility | IOVDD range (2.7–5.25V) supports direct interfacing to 3.3V or 5V logic families without level shifters. |
| Power dissipation tuning | RBIAS resistor adjusts analog current (85–135mA), allowing thermal/power budget optimization for specific sample rates. |
Applications
| Scientific Instruments | Automated Test Equipment |
|---|---|
Use Scenario: High-resolution spectral analysis of laser interferometry signals requiring sub-LSB linearity and ultra-low distortion. IC Role / Device Role / Timing Role: Primary digitizer capturing 2.45MHz bandwidth signals with 88dB SNR and −99dB THD for FFT-based frequency domain processing. Use Value: ±0.0025dB passband ripple ensures amplitude accuracy across full Nyquist band, eliminating calibration drift in metrology-grade instruments. | Use Scenario: Production-line functional testing of RF power amplifiers using fast transient capture and harmonic distortion measurement. IC Role / Device Role / Timing Role: High-speed ADC front-end synchronizing with pattern generators to acquire multi-cycle waveforms at 5MSPS with deterministic latency. Use Value: 101dB SFDR enables clean separation of fundamental tones from spurious artifacts during production validation. |
| Data Acquisition Systems | Medical Imaging |
Use Scenario: Portable ultrasound beamformer digitizing echo returns from phased-array transducers with precise time-of-flight resolution. IC Role / Device Role / Timing Role: Low-latency, FIFO-buffered ADC feeding FPGA-based digital beamforming pipeline with 16-bit precision and 2.45MHz analog bandwidth. Use Value: Adjustable RBIAS and 2XMODE allow dynamic power/performance scaling during battery-operated scanning modes. | Use Scenario: MRI gradient coil monitoring system acquiring high-fidelity analog feedback signals under strong EMI conditions. IC Role / Device Role / Timing Role: Precision ADC rejecting common-mode noise via differential input architecture while maintaining 75dB CMRR at DC. Use Value: Dual supply domains (AVDD/DVDD/IOVDD) isolate analog noise paths from digital switching, preserving SNR in magnetically noisy environments. |
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 |
|---|---|---|---|
| ADS1605IPAPR | 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 read timing synchronization in high-throughput streaming. | Select when FIFO functionality is unnecessary and cost reduction is prioritized over data-handling flexibility. |
| ADS1626IPAPR | 18-bit resolution, 1.25MSPS, same FIFO architecture and TQFP-64 package; lower data rate but higher precision. | Better suited for static or low-frequency high-accuracy measurements (e.g., precision weigh scales) rather than wideband dynamic capture. | Choose for applications demanding >16-bit ENOB where bandwidth requirements are ≤1.25MSPS. |
Compared with ADS1605IPAPR, ADS1606IPAPRG4 adds FIFO-level control for asynchronous data capture; compared with ADS1626IPAPR, it trades 2 bits of resolution for 4× higher throughput-making it optimal for bandwidth-constrained, real-time signal analysis.
Availability
ADS1606IPAPRG4 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 industrial temperature range (−40°C to +85°C).
Supply support for ADS1606IPAPRG4 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 high-precision data conversion and signal chain solutions.
The ADS1606IPAPRG4 belongs to TI's high-speed delta-sigma ADC product line, engineered for demanding measurement applications where wide bandwidth, low distortion, and deterministic timing are critical-such as real-time spectrum analyzers and portable diagnostic equipment.
FAQ
What is the maximum clock frequency supported by the ADS1606IPAPRG4?
The ADS1606IPAPRG4 supports a maximum CLK input frequency of 50MHz, with typical operation at 40MHz. At 40MHz, it achieves 5MSPS output data rate in standard mode or 10MSPS in 2X mode. Exceeding 50MHz violates absolute maximum ratings and may cause timing violations or permanent damage.
Does the ADS1606IPAPRG4 require an external reference voltage?
No-the ADS1606IPAPRG4 includes a selectable on-chip reference. When REFEN is low, the internal reference activates (2.5–3.2V range, 50ppm/°C drift); when REFEN is high, external VREFP/VREFN pins accept 2.5–3.2V differential reference. Both configurations are fully supported in the ADS1606IPAPRG4 datasheet.
How does the FIFO function in the ADS1606IPAPRG4 differ from the ADS1605IPAPR?
The ADS1606IPAPRG4 integrates an adjustable FIFO buffer controlled by FIFO_LEV[2:0] pins (pins 46–48), enabling programmable depth from 1 to 8 words. The ADS1605IPAPR lacks this feature-its FIFO_LEV pins are unconnected (NC), and data must be read synchronously on each DRDY pulse without buffering.
What is the purpose of the RBIAS pin on the ADS1606IPAPRG4?
The RBIAS pin (pin 8) connects to an external resistor that sets analog supply current and thus total power dissipation (315–570mW). A 37kΩ resistor yields typical 105mA IAVDD at REFEN = high; increasing resistance lowers current and power, enabling thermal optimization for reduced sample rates.
Can the ADS1606IPAPRG4 interface directly with 5V logic systems?
Yes-the ADS1606IPAPRG4 supports IOVDD from +2.7V to +5.25V, and its digital I/O pins (DOUT[15:0], DRDY, RD, etc.) are fully compatible with 5V TTL/CMOS logic when IOVDD = 5V. VIH minimum is 0.7×IOVDD and VOL maximum is DGND + 0.5V, ensuring robust 5V-level signaling.
ADS1606IPAPRG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 64-PowerTQFP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- -
ADS1606IPAPRG4 FAQ
1.How can I place an order for ADS1606IPAPRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADS1606IPAPRG4 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 ADS1606IPAPRG4 reliable?
The price and inventory of ADS1606IPAPRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADS1606IPAPRG4 is usually 5 days.
3.What payment methods are accepted for ADS1606IPAPRG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADS1606IPAPRG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADS1606IPAPRG4?
ADS1606IPAPRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADS1606IPAPRG4 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 ADS1606IPAPRG4?
For technical support, including ADS1606IPAPRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADS1606IPAPRG4 requirements.
6.How does Aetrix verify that ADS1606IPAPRG4 is sourced from the original manufacturer or authorized distributors?
All ADS1606IPAPRG4 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 ADS1606IPAPRG4 meets industry standards.
7.What is the process for return or replacement of ADS1606IPAPRG4?
All ADS1606IPAPRG4 units undergo pre-shipment inspection (PSI). If there is an issue with ADS1606IPAPRG4, 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 ADS1606IPAPRG4 part is unused and in its original packaging.
Return procedure for ADS1606IPAPRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADS1606IPAPRG4 Tags
-
ADC081C021CIMKX/NOPB
Texas Instruments
-
MCP3021A5T-E/OT
Microchip Technology
-
TLA2024IRUGR
Texas Instruments
-
MCP3221A5T-E/OT
Microchip Technology
-
MCP3221A5T-I/OT
Microchip Technology
-
MCP3221A4T-E/OT
Microchip Technology
-
MCP3221A6T-E/OT
Microchip Technology
-
MCP3221A0T-E/OT
Microchip Technology
-
MCP3221A1T-E/OT
Microchip Technology
-
ADC121S021CIMFX/NOPB
Texas Instruments
-
MCP3001-I/MS
Microchip Technology
-
MCP3001-I/SN
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
