ADS5433IPJYRG3 - 14-Bit 80MSPS ADC, 52-QFP | Texas Instruments
MPN: ADS5433IPJYRG3 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.95 | $259.50 |
| 100 | $23.1 | $2,310.00 |
| 500 | $20.75 | $10,375.00 |
| 1,000 | $18.6 | $18,600.00 |
ADS5433IPJYRG3 Overview
An analog-to-digital converter is a data-acquisition component that samples continuous analog signals and converts them into discrete digital codes at a defined sampling rate; pipelined ADCs like the ADS5433 family are the standard architecture for high-speed IF/RF sampling, instrumentation, and medical imaging signal chains because they balance conversion speed, dynamic range, and power consumption. As an active member of the ADC family hierarchy (pipeline ADC -> Nyquist-rate ADC -> data converter -> signal-chain IC), it supports full-power analog input bandwidths well above the Nyquist limit, enabling undersampled IF capture.
Key features of the ADS5433IPJYRG3 include a user-selectable +3.0V or +3.5V internal reference, an internal input clamp for over-range protection, low 290mW typical power dissipation at 80 MSPS, parallel CMOS outputs, and a programmable full-scale range. The 52-QFP PowerPAD package supplies a low thermal resistance path for heat extraction, while the CMOS digital interface simplifies connection to ASICs and low-cost FPGAs without needing an LVDS deserializer.
Architecturally, the device combines a wide-bandwidth track-and-hold, 14 pipelined quantization stages with digital error correction, and an on-chip reference generator with internal buffer. External analog-input drive is performed with low-impedance amplifiers; the inputs are fully differential to maximize second-order harmonic distortion rejection, with an optional 50 ohm matching network placed at the analog front end. The -1IN/+1IN analog input pins bond to an internal SHA.
Typical applications include high-end digital oscilloscopes and digitizers, IF digitizers for communications test equipment, medical ultrasound and imaging front ends, CCD/camera-pixel acquisition pipelines, and video broadcast equipment. The internal buffer and high sample rate make it suitable for wideband instrumentation capture of transients.
When designing with this converter, take care to provide a low-noise, well-decoupled analog 5V rail and a clean 3.3V digital rail. Use controlled-impedance PCB routing for analog inputs and clock, and place input termination close to the device pins to preserve SFDR.
Drop-in alternatives for ADS5433IPJYRG3 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ADS5433IPJYRG3 (same form factor and footprint) — differing in Package, Input Type, Digital Output Type, Operating Temperature Range, Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADS5433IPJYR
✅ Drop-In✓ In Stock
$21 / Unit
View Datasheet →ADS5433IPJYG3
✅ Drop-In✓ In Stock
$24.95 / Unit
View Datasheet →ADS5424IPJYG3
✅ Drop-In✓ In Stock
$25.1 / Unit
View Datasheet →ADS5423MPJYEP
✅ Drop-In✓ In Stock
$52.85 / Unit
View Datasheet →ADS5422Y/1K5G4
✅ Drop-In✓ In Stock
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View Datasheet →ADS5433IPJYRG3 Maximum Ratings & Electrical Characteristics
| Resolution | 14 bit |
| Sampling Rate | 80 MSPS |
| Number of Channels | 1 |
| Architecture | Pipelined |
| Input Type | Differential (Single-Ended capable) |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 3.3 V |
| Digital Output Type | CMOS, parallel |
| Internal Reference | +3.0 V or +3.5 V (user-selectable) |
| Power Dissipation | 290 mW typical at 80 MSPS |
| SNR | 69 dB typical at 80 MSPS, fin = 30 MHz |
| SFDR | 80 dB typical at 80 MSPS, fin = 30 MHz |
| Operating Temperature | -40 C to +85 C |
| Package | 52-pin QFP (PowerPAD, PJY) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
ADS5433IPJYRG3 52-pin qfp (powerpad, pjy) Pin Configuration Guide
Pin configuration for ADS5433IPJYRG3 (52-pin qfp (powerpad, pjy) package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for ADS5433IPJYRG3.
Refer to the datasheet for full pin configuration.
Typical Applications
ADS5433IPJYRG3 is suitable for 6 applications: Digital Oscilloscope and Wideband Digitizer Front End, Communications IF Digitizer, Medical Ultrasound and Imaging Acquisition, CCD and Image Sensor Digitizer, Test and Measurement Instrumentation, Video Broadcast and Production Equipment.
Digital Oscilloscope and Wideband Digitizer Front End
The ADS5433IPJYRG3 is well-matched for digital oscilloscope and wideband digitizer front ends where 14-bit resolution and 80 MSPS sampling give instruments the dynamic range needed for accurate transient capture. With 69 dB SNR and 80 dB SFDR at 30 MHz input, the ADC preserves small signal details in the presence of large-amplitude transients - critical when resolving low-level ringing on top of high-magnitude edges. A single-ended to differential driver feeds the -1IN/+1IN inputs, often through a low-distortion THS4503-class amplifier and a 50 ohm termination network. The 290 mW typical dissipation keeps thermal management simple in densely populated multi-channel acquisition cards. Compared with LVDS-output ADCs at the same speed, the 3.3V CMOS parallel interface lowers FPGA I/O cost because no deserializer is required.
Recommended
Communications IF Digitizer
The ADS5433IPJYRG3 suits communications IF digitizer designs where the analog bandwidth supports undersampling of IF carriers in the 70-150 MHz range. The 14-bit resolution provides >80 dB of spurious-free dynamic range, allowing demodulation of small-signal carriers adjacent to high-power blockers without sacrificing SNR. The differential input structure rejects even-order harmonics that would otherwise degrade baseband demodulation accuracy. A low-jitter clock source such as a CDCE906-class PLL drives the clock input to preserve aperture-jitter-limited SNR. In a typical IF strip, the ADC digitizes a 70 MHz IF at 80 MSPS; selecting the internal +3.0V reference simplifies BOM and eliminates an external reference-induced drift path. The drop-in ADS5423MPJYEP family variant offers higher resolution when inter-symbol interference demands more bits.
Recommended
Medical Ultrasound and Imaging Acquisition
In medical ultrasound beamformers and imaging acquisition paths, the ADS5433IPJYRG3 delivers the dynamic range needed to detect low-amplitude echo returns alongside strong specular reflections from tissue interfaces. With 14-bit resolution and 80 MSPS conversion, the device digitizes a single transducer channel fast enough to support eight or more parallel receive channels using time-multiplexed capture at full sample rate. The 290 mW per-channel dissipation eases thermal budgeting in dense multi-channel designs where board temperature rise is a constraint. The differential analog inputs pair naturally with low-noise front-end LNA outputs; designers typically add anti-alias filtering ahead of the ADC to take advantage of its wide input bandwidth. Drop-in alternative ADS5423MPJYEP provides an upgrade path to 15-bit resolution when diagnostic imaging demands extended grayscale depth.
Recommended
CCD and Image Sensor Digitizer
The ADS5433IPJYRG3 makes an effective CCD and image-sensor digitizer for industrial cameras and scientific imagers requiring 14-bit grayscale depth at video-rate frame conversion. The single-channel 80 MSPS rate supports pixel-clock rates of common megapixel imagers and, with the internal input clamp, tolerates the DC-restoration transients typical of CCD output stages. The 3.3V CMOS parallel outputs interface directly to standard image-sensor ASICs or low-cost FPGAs, keeping BOM cost down versus LVDS-deserialized alternatives. Designers include a clamp on the analog front end and bias the inputs in the linear input common-mode range specified in the datasheet. Across operating temperature, gain drift is well-controlled by the internal +3.0V reference, simplifying radiometric calibration. The package-compatible ADS5422Y/1K5G4 is acceptable for slower-than-30 MHz pixel-clock imagers.
Recommended
Test and Measurement Instrumentation
The ADS5433IPJYRG3 is well-suited to test-and-measurement instruments such as spectrum analyzers, signal analyzers, and arbitrary-waveform-acquisition modules where a 14-bit, 80 MSPS digitizer stage delivers wide dynamic range in a compact footprint. The 80 dB SFDR allows spectral analysis to clearly resolve spurs near the carrier without masking small emissions; this is decisive when measuring signals with low-amplitude modulation products. The differential analog inputs simplify front-end anti-alias filtering, and the CMOS parallel output reduces FPGA cost relative to LVDS alternatives at this sample rate. The 52-pin PowerPAD QFP package is straightforward to place on mixed-signal PCBs with separate analog and digital sections. Compared with TI's newer ADS54xx families, the ADS5433 is a cost-effective main ADC for non-critical high-speed instrumentation. Designers verify gain and offset at production with the internal reference mode.
Recommended
Video Broadcast and Production Equipment
Broadcast video production equipment such as waveform monitors, video scopes, and SDI capture cards can use the ADS5433IPJYRG3 as a 14-bit, 80 MSPS ADC for handling SD-SDI and HD-SDI baseband signals with sufficient dynamic range for legal-range monitoring. The differential input rejects common-mode noise injected by long cable runs, while the 3.3V CMOS outputs integrate easily with FPGA-based timing and processing blocks. Internal reference options (+3.0V/+3.5V) accommodate different downstream scaling requirements without external component changes. A typical schematic places an adaptive line equalizer such as a TI LMH0044 ahead of the ADC to re-shape the SDI signal, then routes the analog output through a 2:1 transformer to the ADC inputs. The drop-in ADS5423MPJYEP is the recommended upgrade when production facilities standardize on 15-bit grayscale for HDR workflows.
Recommended
Recommended Products Summary
Engineering reference data for ADS5433IPJYRG3 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADS5433IPJYR | ADS5433IPJYG3 | ADS5424IPJYG3 | ADS5423MPJYEP | ADS5422Y/1K5G4 |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 52-QFP (PowerPAD) | 52-QFP (PowerPAD) - same | 52-QFP (PowerPAD) - same | 52-QFP (PowerPAD) - same | 52-QFP (PowerPAD) - same | 52-QFP (PowerPAD) - same |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit | 15 bit | 14 bit |
| Max Sample Rate | 80 MSPS | 80 MSPS | 80 MSPS | 105 MSPS (+31%) | 80 MSPS | 62 MSPS (-23%) |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Analog Supply | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Digital Output | CMOS parallel | CMOS parallel | CMOS parallel | CMOS parallel | CMOS parallel | CMOS parallel |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -55 C to +125 C (EP) | -40 C to +85 C |
Key Differentiators
- Active production status with drop-in same-package variants (vs ADS5433IPJYR and ADS5433IPJYG3)
- Higher sample-rate drop-in path on identical footprint (vs ADS5424IPJYG3)
- Higher-resolution 15-bit drop-in variant available (vs ADS5423MPJYEP)
Design Notes
The 52-pin PowerPAD QFP package requires the exposed thermal pad on the underside to be soldered to a PCB thermal land with at least 5 thermal vias to an internal ground plane. According to the Texas Instruments ADS5433 datasheet, failing to connect the PowerPAD prevents the device from meeting the 290 mW typical dissipation rating at 80 MSPS; in worst-case layouts, the junction temperature can reach the 150 C absolute maximum. Place the thermal vias on a 0.5 mm pitch grid centered on the package thermal land.
Use separate analog and digital ground planes joined at a single star-ground point beneath the ADC. Bypass the +5V analog supply (AVDD5) with a 10 uF tantalum bulk + 0.1 uF X7R ceramic placed within 5 mm of the AVDD5 pins; bypass +3.3V digital (DVDD3.3) similarly. According to the Texas Instruments ADS5433 datasheet, the internal +3.0V or +3.5V reference requires the BYP capacitor (typically 0.1 uF X7R) directly on BYP for noise reduction. Splitting the analog and digital returns limits coupling of FPGA switching noise into the analog front end.
Drive the -1IN/+1IN differential inputs through a low-distortion amplifier (THS4503 class) and a wideband 2:1 RF transformer for AC-coupled signal paths, or through a transformerless differential driver for DC-coupled paths. Source-impedance mismatch degrades SFDR and creates second-harmonic spurs; place a 100 ohm differential termination as close to the device pins as practical. The clock input is sensitive to jitter: use a low-jitter clock generator (CDCE906 or equivalent) and keep clock traces matched-length on the PCB. Estimated: aperture-jitter of 1 ps contributes approximately 78 dB SNR at 70 MHz input.
Do not exceed the AVDD5 absolute maximum of +6V or the DVDD3.3 absolute maximum of +4V. According to the Texas Instruments datasheet, the internal reference selection pin (REFSEL) must be statically tied to DGND or DVDD3.3 with a short trace to avoid floating state and reference instability. The /OE pin must be driven to DGND before applying power to DVDD3.3, or the CMOS outputs may drive back into unpowered logic and cause latch-up. The exposed pad must never be left floating; this is the most common PCB-layout defect with PowerPAD QFP ADCs.
At 80 MSPS with 290 mW typical dissipation in the 52-QFP PowerPAD package, junction rise is typically 10-15 C above ambient on a properly laid-out PCB. Estimated: with theta_JA of approximately 30 C/W on a JEDEC-standard test board, the junction temperature at 25 C ambient is 25 + (0.290 * 30) = 33.7 C - well below the 150 C absolute maximum, providing substantial margin. In multi-ADC boards (e.g., 8-channel CCD digitizer cards), aggregate dissipation can push the PCB above 70 C, requiring airflow or de-rated sampling.
Compliance Information
RoHS compliant per TI ADS5433 product page. Lead-free finish (Pb-free). AEC-Q100 not applicable - this is an industrial-grade ADC. Halogen-free status not listed in provided data; set to unknown.
