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ADS62P49IRGCR
Texas Instruments
IC ADC 14BIT PIPELINED 64VQFN
3531 Pcs New Original In Stock
14 Bit Analog to Digital Converter 2 Input 2 Pipelined 64-VQFN (9x9)
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ADS62P49IRGCR
Product Overview
1389819
DiGi Electronics Part Number
ADS62P49IRGCR-DGManufacturer
Texas Instruments
ADS62P49IRGCR
Description
IC ADC 14BIT PIPELINED 64VQFNInventory
3531 Pcs New Original In Stock
14 Bit Analog to Digital Converter 2 Input 2 Pipelined 64-VQFN (9x9)
Quantity
Minimum 1
Minimum 1
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ADS62P49IRGCR Technical Specifications
Category
Data Acquisition, Analog to Digital Converters (ADC)
Packaging
-
Series
-
Product Status
Active
Number of Bits
14
Sampling Rate (Per Second)
250M
Number of Inputs
2
Input Type
Differential
Data Interface
LVDS - Parallel, Parallel
Configuration
S/H-ADC
Ratio - S/H:ADC
1:1
Number of A/D Converters
2
Architecture
Pipelined
Reference Type
External, Internal
Voltage - Supply, Analog
3.15V ~ 3.6V
Voltage - Supply, Digital
1.7V ~ 1.9V
Features
Simultaneous Sampling
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VFQFN Exposed Pad
Supplier Device Package
64-VQFN (9x9)
Mounting Type
Surface Mount
Base Product Number
ADS62P49
Datasheet & Documents
Manufacturer Product Page
ADS62P49IRGCR Specifications
HTML Datasheet
ADS62P49IRGCR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
3A991C3
HTSUS
8542.39.0001
Additional Information
Other Names
TEXTISADS62P49IRGCR
2156-ADS62P49IRGCR
Standard Package
2,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Ich schätze die Zuverlässigkeit und Transparenz bei DiGi Electronics sehr.
de desembre 02, 2025
The quality assurance process of DiGi Electronics ensures we receive only the best.
de desembre 02, 2025
I always trust DiGi Electronics for affordable products packed with care and professionalism.
de desembre 02, 2025
I value their honest and upfront pricing, which sets them apart from competitors.
de desembre 02, 2025
Working with DiGi Electronics has been a hassle-free experience thanks to their efficient logistics and excellent customer service.
de desembre 02, 2025
Shipping was extremely fast, and their customer support team was extremely helpful and friendly.
de desembre 02, 2025
Shipping is consistently quick, and support is always available when needed.
de desembre 02, 2025
Their pricing is competitive, and their packaging is environmentally responsible—perfect combo.
de desembre 02, 2025
Their proactive approach in after-sales support makes dealing with any issues straightforward and stress-free.
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Frequently Asked Questions (FAQ)
What are the critical layout considerations when designing a PCB for the ADS62P49IRGCR to maintain signal integrity at 250 MSPS with differential inputs?
When integrating the ADS62P49IRGCR, prioritize a symmetrical, tightly coupled differential pair routing for analog inputs with controlled impedance (typically 100 Ω differential). Place the ADC as close as possible to the analog front-end to minimize trace length and parasitic inductance. Use a solid ground plane beneath the 64-VQFN exposed pad and ensure low-inductance thermal vias for grounding. Separate analog and digital supply domains with proper filtering—use ferrite beads and decoupling capacitors (e.g., 0.1 µF + 10 µF) near each supply pin. Avoid routing high-speed digital lines (especially LVDS outputs) over splits in the ground plane to prevent EMI and crosstalk that could degrade ENOB at high sampling rates.
Can the ADS62P49IRGCR be safely replaced with the ADS62P48IRGCT in a 250 MSPS data acquisition system, and what performance trade-offs should I expect?
The ADS62P48IRGCT is not a drop-in replacement for the ADS62P49IRGCR despite similar packaging and architecture. The ADS62P48 operates at a maximum of 200 MSPS, so using it in a 250 MSPS system will result in timing violations, data corruption, or complete failure. Additionally, the ADS62P49 offers better SNR and SFDR at high input frequencies due to optimized internal circuitry. If your system requires full 250 MSPS performance, stick with the ADS62P49IRGCR. Downgrading to the ADS62P48 may seem cost-effective but introduces significant risk of missed samples and reduced dynamic range, especially in RF or high-bandwidth applications.
How should I handle the dual supply voltages (3.3V analog, 1.8V digital) for the ADS62P49IRGCR in a power-sensitive design to avoid noise coupling and ensure reliable operation?
To minimize noise coupling between the analog and digital sections of the ADS62P49IRGCR, use separate LDO regulators for the 3.3V analog (AVDD) and 1.8V digital (DVDD) supplies, even if both are derived from the same input rail. Implement star grounding at the ADC’s ground pin and avoid sharing return paths. Use low-noise LDOs (e.g., TPS7A47 for analog, TPS7A33 for digital) with adequate PSRR at high frequencies. Ensure that digital switching noise from the 1.8V domain does not couple into the sensitive analog front-end via shared PCB layers or vias. Also, verify that power sequencing isn’t required—TI confirms the ADS62P49IRGCR supports any power-up order, but clean, simultaneous ramp-up reduces inrush current stress.
What are the risks of operating the ADS62P49IRGCR near its -40°C to 85°C temperature limits in an industrial environment, and how can I mitigate thermal-induced performance drift?
Operating the ADS62P49IRGCR at temperature extremes can cause gain drift, offset variation, and increased noise, particularly affecting DC accuracy in precision measurement systems. At -40°C, internal reference stability (if using internal reference) may degrade, and at 85°C, thermal noise and leakage currents increase, reducing effective resolution. To mitigate this, use an external precision reference (e.g., REF5025) with low tempco (<3 ppm/°C) instead of the internal reference. Ensure adequate airflow or heatsinking if the exposed pad temperature exceeds 70°C under load. Perform system-level calibration at multiple temperature points if absolute accuracy is critical. Also, monitor junction temperature using thermal modeling—power dissipation in the 64-VQFN can exceed 1W at full load, necessitating thermal vias and copper pours.
Is the ADS62P49IRGCR suitable for multi-channel synchronous sampling in phased-array radar systems, and how do I ensure phase coherence between its two ADCs?
Yes, the ADS62P49IRGCR supports simultaneous sampling on both channels, making it a strong candidate for phased-array radar or MIMO systems requiring phase coherence. However, to maintain tight phase matching (<1° skew), you must synchronize the sampling clocks to both ADCs using a low-jitter, matched-length clock distribution network (e.g., using LMK04828). Avoid using separate clock sources. Calibrate inter-channel offset and gain mismatch in software during system initialization. Also, ensure that analog input paths (filters, amplifiers) are impedance-matched and length-matched to prevent additional phase errors. The internal sample-and-hold amplifiers are designed for simultaneous capture, but external layout symmetry is critical—any asymmetry in PCB traces or components will degrade coherence at high frequencies.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
ADS62P49IRGCR CAD Models
Texas Instruments ADS62P49IRGCR PCB symbols & footprints
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