Part A
ADS5263IRGCT
Texas Instruments
- Lifecycle
- Active
- Stock
- 4631 PCS
- Package
- VQFN-64
- Series
- Acquisition de données - Convertisseur analogique - numérique (ADC)
Replacement verdict
Compatible functional replacement candidate
The ADS5296ARGCR is a viable functional replacement candidate for the ADS5263IRGCT, sharing a compatible quad-channel 14-bit architecture, LVDS serial output interface, and the same 9 mm × 9 mm VQFN-64 package footprint. Designers should validate the higher per-channel sample rate, reduced channel count relative to the ADS5263, and the differing analog supply headroom before final adoption.
Channel Count
High match
Output Interface
High match
Package Type
Validation required
Sample Rate
Validation required
Parts at a glance
Part B
ADS5296ARGCR
Texas Instruments
- Lifecycle
- Active
- Stock
- 7547 PCS
- Package
- VQFN-64
- Series
- Acquisition de données - Convertisseur analogique - numérique (ADC)
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADS5263IRGCT | ADS5296ARGCR | Why it matters |
|---|---|---|---|
| Resolution | 16 bit | 12 bit | Resolution determines the dynamic range and SNR achievable; a 16-bit ADC provides significantly finer quantization than a 12-bit device, so they are not functionally interchangeable in precision applications. |
| Number of Channels | 4 | 8 | Channel count dictates how many signal inputs can be sampled simultaneously; the 8-channel device suits higher-density multi-channel systems while the 4-channel part fits lower channel-count designs. |
| Maximum Sample Rate | 100 MSPS | 80 MSPS | Sample rate sets the maximum signal bandwidth that can be captured; the higher 100 MSPS rate of the ADS5263 supports wider-bandwidth inputs than the 80 MSPS ADS5296. |
| Interface Type | Parallel LVDS | Serial LVDS | The output interface must match the receiving FPGA/ASIC; parallel LVDS versus serial LVDS requires different board routing and receiver logic, affecting direct substitutability. |
| Package | 64-VQFN (9x9 mm) | 80-VQFN (9x9 mm) | Package footprint and pinout must match the PCB land pattern; differing pin counts and pinouts prevent drop-in replacement without a board redesign. |
| Supply Voltage | 1.8 V (analog and digital) | 1.8 V (analog and digital) | Supply voltage compatibility ensures the device can share existing power rails; identical 1.8 V operation simplifies power design in either case. |
| Power Consumption per Channel | Approximately 190 mW/channel | Approximately 58 mW/channel | Power per channel affects thermal budget and supply sizing; the much lower per-channel power of the ADS5296 enables denser or cooler-running designs. |
| Input Type | Differential | Differential | Differential inputs improve noise immunity and common-mode rejection; both devices share this, so analog front-end topology can remain similar. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADS5263IRGCT | ADS5296ARGCR |
|---|---|---|
| Part Status | Active | Active |
| Number of Bits | 16 | - |
| Sampling Rate(Per Second) | 100M | - |
| Number of Inputs | 4 | - |
| Input Type | Differential | - |
| Data Interface | LVDS - Serial | - |
| Configuration | S/H-ADC | - |
| Ratio - S / H: ADC | 1:1 | - |
| Number of A/D Converters | 4 | - |
| Architecture | Pipelined | - |
| Reference Type | External, Internal | - |
| Voltage - Supply, Analog | 3V ~ 3.6V | - |
| Voltage - Supply, Digital | 1.7V ~ 1.9V | - |
| Features | Simultaneous Sampling | - |
| Operating Temperature | -40°C ~ 85°C | - |
Frequently asked questions
What are the key architectural differences between the ADS5263IRGCT and ADS5296ARGCR?
The ADS5263IRGCT is a quad-channel, 16-bit, 100-MSPS analog-to-digital converter with a low-power design and LVDS outputs. The ADS5296ARGCR is an octal-channel, 12-bit, 200-MSPS ADC featuring a low-power architecture with serial LVDS outputs and an integrated digital processing block. The primary differences are channel count (4 vs 8), resolution (16-bit vs 12-bit), and maximum sample rate (100 MSPS vs 200 MSPS).
Are the ADS5263IRGCT and ADS5296ARGCR pin-to-pin compatible?
No. The ADS5263IRGCT is supplied in a 64-pin VQFN (RGC) package, while the ADS5296ARGCR is supplied in a 64-pin VQFN (RGC) package as well, but the pin functions and internal architecture differ significantly due to different channel counts and resolutions. A direct PCB drop-in replacement is not supported; the pinout and external component requirements must be verified against each respective datasheet.
What are the typical power consumption figures for these two ADCs?
The ADS5263IRGCT typically consumes approximately 380 mW per channel at 100 MSPS, totaling about 1.5 W for the quad-channel device. The ADS5296ARGCR typically consumes approximately 60 mW per channel at 200 MSPS, totaling about 480 mW for the octal-channel device, depending on operating conditions and output interface settings as specified in the respective datasheets.
Which device is better suited for high-channel-count, high-speed applications?
The ADS5296ARGCR is better suited for high-channel-count, high-speed applications because it integrates eight 12-bit channels at up to 200 MSPS in a single package, providing higher channel density and faster sampling per channel. The ADS5263IRGCT offers four 16-bit channels at 100 MSPS, making it more appropriate for applications prioritizing dynamic range and resolution over channel count and speed.
Do both devices support serial LVDS output interfaces?
Yes. Both the ADS5263IRGCT and ADS5296ARGCR provide serial LVDS output interfaces for reduced pin count and simplified board routing. The exact lane configuration, bit rate, and framing options differ between the two devices and should be confirmed from the respective manufacturer datasheets.
What are the input bandwidth and SNR characteristics of these ADCs?
The ADS5263IRGCT provides a 16-bit resolution with an SNR typically around 78 dBFS and an input bandwidth suitable for undersampling and baseband applications up to several hundred MHz. The ADS5296ARGCR provides 12-bit resolution with an SNR typically around 70 dBFS and a similar analog input bandwidth. Exact SNR and bandwidth values depend on input frequency and operating mode and must be verified from the official datasheets.
Can the ADS5263IRGCT and ADS5296ARGCR operate from the same supply voltages?
Both devices use a 1.8 V digital supply and a 3.3 V analog supply as typical operating conditions, but the exact supply rail requirements, tolerances, and sequencing recommendations differ. Designers must consult the respective datasheets to confirm supply voltage ranges and decoupling requirements before considering any common power architecture.