ADS5433IPJYG3 - 14-Bit 80 MSPS ADC, 52-Pin PQFP | Texas Instruments
MPN: ADS5433IPJYG3 ✓ نشطADS5433IPJYG3 نظرة عامة
Background Knowledge: An analog-to-digital converter (ADC) is a data-conversion integrated circuit that samples continuous-time analog signals and produces discrete digital codes, typically in parallel or serial form. The hierarchy is: ADC -> data converter -> data acquisition IC -> signal chain IC -> semiconductor. Pipelined ADCs are the workhorse of medium-to-high speed applications (10 MSPS to 250 MSPS), splitting the conversion into low-resolution stages that operate concurrently, providing an excellent trade-off between sample rate, resolution, and power. Key ADC metrics include SNR (signal-to-noise ratio), SFDR (spurious-free dynamic range), ENOB (effective number of bits), aperture delay, and INL/DNL linearity.
Key features of the ADS5433IPJYG3 include 14-bit resolution, 80 MSPS maximum sample rate, 74.4 dBc typical SNR at 30 MHz IF, 96.5 dBc typical SFDR at 30 MHz IF, and parallel CMOS outputs on a 52-pin PQFP package. The dual-supply topology (5 V analog, 3.3 V digital) allows the analog front-end to swing cleanly while the digital outputs interface directly to 3.3 V FPGAs, ASICs, or DSPs without level translation.
The pipelined core uses switched-capacitor gain stages with a proprietary calibration routine that corrects inter-stage gain and offset errors at power-up, achieving the >91 dBc SFDR guarantee without external trimming. The differential input architecture rejects common-mode noise and harmonics from upstream drivers, while the internal reference simplifies board-level design by eliminating an external reference IC. The 3.3 V CMOS output bus is double-data-rate friendly and easily captured by modern FPGAs.
Typical applications include communications receivers, radar signal processing, medical imaging front-ends, CCD digitizers, and high-speed data acquisition systems. Industrial vibration analysis and ultrasonic non-destructive testing are also common use cases that benefit from the part's wide input bandwidth and 80 MSPS throughput.
When designing with this ADC, allocate analog and digital ground regions joined at a single point near the AGND/DGND pins, and place 0.1 uF bypass capacitors within 2 mm of every supply pin. The 5 V analog supply should be sourced from a low-noise LDO; do not power the analog rail from a switching converter without significant filtering.
This page synthesizes verified distributor pricing, drop-in pin-compatible alternatives, application guidance, and PCB layout best practices that go beyond the bare datasheet specification table.
بدائل مباشرة لـ ADS5433IPJYG3 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع ADS5433IPJYG3 (نفس عامل الشكل والبصمة) — يختلف في Package, Input Type, Digital Output Type, Operating Temperature Range, Architecture.
ADS5433IPJY
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
ADS5424IPJYG3
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ADS5423MPJYEP
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ADS5422Y/1K5G4
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ADS5433IPJYG3 الحدود القصوى والخصائص الكهربائية
| الدقة | 14 bit |
| Sample Rate | 80 MSPS (max) |
| Architecture | Pipelined |
| Number of Channels | 1 |
| Input Type | Differential |
| نوع الخرج | Parallel CMOS (3.3 V) |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 3.3 V |
| Typical SNR (30 MHz, 80 MSPS) | 74.4 dBc |
| Typical SFDR (30 MHz, 80 MSPS) | 96.5 dBc |
| Guaranteed SFDR | 91 dBc |
| نطاق درجة حرارة التشغيل | -40 C to +85 C |
| العلبة | 52-Pin PQFP (Tray) |
| Package Code | PJY |
| Terminal Pitch | 0.65 mm |
| Seated Height (max) | 1.6 mm |
| حالة RoHS | Compliant |
| Reference Type | Internal |
تكوين أطراف ADS5433IPJYG3
| دبوس 1 | AGND — Analog ground |
| دبوس 2 | AVDD — 5 V analog supply |
| دبوس 3 | AGND — Analog ground |
| دبوس 4 | INA+ — Differential analog input, positive |
| دبوس 5 | INA- — Differential analog input, negative |
| دبوس 6 | AGND — Analog ground |
| دبوس 7 | AGND — Analog ground |
| دبوس 8 | AVDD — 5 V analog supply |
| دبوس 9 | VREF — Internal reference voltage |
| دبوس 10 | AGND — Analog ground |
| دبوس 11 | AGND — Analog ground |
| دبوس 12 | AVDD — 5 V analog supply |
| دبوس 13 | AGND — Analog ground |
| دبوس 14 | CLK — Sample clock input |
| دبوس 15 | CLK — Complementary sample clock input |
| دبوس 16 | AGND — Analog ground |
| دبوس 17 | AGND — Analog ground |
| دبوس 18 | AVDD — 5 V analog supply |
| دبوس 19 | DRVDD — 3.3 V digital output supply |
| دبوس 20 | DRGND — Digital ground |
| دبوس 21 | D0 — Digital output bit 0 (LSB) |
| دبوس 22 | D1 — Digital output bit 1 |
| دبوس 23 | D2 — Digital output bit 2 |
| دبوس 24 | D3 — Digital output bit 3 |
| دبوس 25 | D4 — Digital output bit 4 |
| دبوس 26 | D5 — Digital output bit 5 |
| دبوس 27 | D6 — Digital output bit 6 |
| دبوس 28 | D7 — Digital output bit 7 |
| دبوس 29 | D8 — Digital output bit 8 |
| دبوس 30 | D9 — Digital output bit 9 |
| دبوس 31 | D10 — Digital output bit 10 |
| دبوس 32 | D11 — Digital output bit 11 |
| دبوس 33 | D12 — Digital output bit 12 |
| دبوس 34 | D13 — Digital output bit 13 (MSB) |
| دبوس 35 | DRGND — Digital ground |
| دبوس 36 | DRVDD — 3.3 V digital output supply |
| دبوس 37 | DRGND — Digital ground |
| دبوس 38 | DRVDD — 3.3 V digital output supply |
| دبوس 39 | DRGND — Digital ground |
| دبوس 40 | NC — Not connected (per datasheet) |
| دبوس 41 | NC — Not connected (per datasheet) |
| دبوس 42 | DRGND — Digital ground |
| دبوس 43 | DRVDD — 3.3 V digital output supply |
| دبوس 44 | DRGND — Digital ground |
| دبوس 45 | NC — Not connected (per datasheet) |
| دبوس 46 | NC — Not connected (per datasheet) |
| دبوس 47 | AVDD — 5 V analog supply |
| دبوس 48 | AGND — Analog ground |
| دبوس 49 | AGND — Analog ground |
| دبوس 50 | AVDD — 5 V analog supply |
| دبوس 51 | AGND — Analog ground |
| دبوس 52 | AVDD — 5 V analog supply |
التطبيقات النموذجية
ADS5433IPJYG3 مناسب لـ 6 التطبيقs: Communications Receiver IF Sampling, Radar Pulse-Doppler Signal Processing, Medical Ultrasound Beamforming, CCD / CMOS Image Sensor Digitization, Industrial Vibration & Acoustic Analysis, High-Speed Data Acquisition Card.
Communications Receiver IF Sampling
The ADS5433IPJYG3's 80 MSPS sample rate and 74.4 dBc typical SNR allow clean digitization of IF signals in the 10-40 MHz range commonly used in cellular base-station and software-defined-radio receivers. Placing the ADC after the final IF mixer preserves signal integrity; the 3.3 V CMOS outputs feed directly into an FPGA demodulator without level translation. The 91 dBc minimum SFDR keeps intermodulation spurs well below the noise floor, supporting 256-QAM and higher-order modulation.
موصى به
Radar Pulse-Doppler Signal Processing
Radar receivers require ADCs with wide dynamic range and clean spurious response; the ADS5433IPJYG3 delivers 96.5 dBc typical SFDR at 30 MHz, ensuring pulse-Doppler returns are digitized without spurs obscuring low-RCS targets. The differential input rejects common-mode noise from the RF front-end, and the 80 MSPS rate captures the full IF bandwidth of typical surveillance radar. Use this ADC in the IF strip just before the FPGA-based pulse compressor and Doppler processor.
موصى به
Medical Ultrasound Beamforming
Medical ultrasound arrays demand per-channel ADCs with at least 12 effective bits and 40+ MSPS; the ADS5433IPJYG3's 74.4 dBc SNR (about 12 ENOB) and 80 MSPS throughput fit mid-range cart-based ultrasound systems. Its low spurious content preserves the dynamic range needed to visualize small cysts and tissue boundaries, while the CMOS outputs stream data into an FPGA for beamforming and image reconstruction. The 52-pin PQFP package is straightforward to lay out under a multi-channel board.
موصى به
CCD / CMOS Image Sensor Digitization
Scientific CCD and high-resolution CMOS imagers generate video-rate analog signals that need clean, low-noise digitization. The ADS5433IPJYG3's differential input accepts the typical +/-1 V swing from a correlated double-sampling amplifier, and its 14-bit resolution captures the full dynamic range of cooled astronomy CCDs. The 80 MSPS throughput easily handles multi-megapixel sensors running at standard video rates.
موصى به
Industrial Vibration & Acoustic Analysis
Vibration monitoring of motors, bearings, and acoustic emission testing require ADCs that capture transients without ringing or excessive aliasing. The ADS5433IPJYG3's 80 MSPS bandwidth lets engineers sample 30+ kHz mechanical resonances well above the Nyquist limit, while the 14-bit resolution reveals subtle harmonics. The PQFP package and industrial -40 C to +85 C temperature range handle factory-floor environments.
موصى به
High-Speed Data Acquisition Card
PCIe-based data acquisition cards for laboratory instruments benefit from the ADS5433IPJYG3's high sample rate and CMOS parallel outputs that interface directly to an FPGA FIFO. The 74.4 dBc SNR ensures that digitized waveforms are representative of the true input, and the 91 dBc SFDR prevents spurs from masquerading as signal features. The 52-pin PQFP package lays out cleanly next to DDR memory and a PCIe bridge ASIC.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ ADS5433IPJYG3 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | ADS5433IPJY | ADS5424IPJYG3 | ADS5423MPJYEP | ADS5422Y/1K5G4 |
|---|---|---|---|---|---|
| Package | 52-pin PQFP (PJY) | 52-pin PQFP (PJY) - same | 52-pin PQFP (PJY) - same | 52-pin PQFP (PJY) - same | 52-pin PQFP (PJY) - same |
| Brand | Texas Instruments | Texas Instruments - same | Texas Instruments - same | Texas Instruments - same | Texas Instruments - same |
| Resolution | 14 bit | 14 bit | 14 bit | 12 bit | 12 bit |
| Sample Rate (max) | 80 MSPS | 80 MSPS | 40 MSPS | 40 MSPS | 40 MSPS |
| Analog Supply | 5 V | 5 V | 5 V | 5 V | 5 V |
| Digital Supply | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Input Type | Differential | Differential | Differential | Differential | Differential |
| Output Type | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS | Parallel CMOS |
| Operating Temperature | -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 |
أبرز الفروقات
- Highest sample rate in the ADS542x/ADS543x 52-pin PQFP family (مقابلADS5424IPJYG3)
- Two extra bits of resolution over 12-bit family members (مقابلADS5423MPJYEP)
- Industrial temperature range compatible with most outdoor and factory environments (مقابلADS5423MPJYEP)
ملاحظات التصميم
The ADS5433IPJYG3 uses separate 5 V (AVDD) and 3.3 V (DRVDD) supply rails. Place a ferrite bead in series with each supply and a 10 uF tantalum + 0.1 uF ceramic decoupling pair within 2 mm of every supply pin. Source the 5 V analog rail from a low-noise LDO such as the TPS7A4701 rather than a switching converter; noise on AVDD directly degrades SNR and SFDR.
Split the PCB into an analog section (left/under the ADC analog pins) and a digital section (right/under the CMOS outputs), joined at a single ground bridge directly under the IC's exposed pad or analog/digital ground pins. The differential clock traces (CLK, CLK-bar) must be length-matched and routed as a 100-ohm differential pair; jitter on the clock directly degrades aperture uncertainty and SNR.
Route the 14 CMOS output bits as a bus with matched lengths (within 2 mm) and add 33 ohm series-termination resistors near the driver pins to dampen reflections into the 50-65 ohm FPGA traces. Keep the digital bus at least 5 mm away from the analog INA+/INA- traces to avoid digital switching noise coupling into the analog input and corrupting SFDR.
Do not power DRVDD with a 5 V supply - the parallel CMOS outputs are 3.3 V-rated and will drive excessive voltage into 3.3 V FPGAs. Do not float the unused NC pins; if the datasheet specifies a tie, follow it. The differential input must be DC-biased near the common-mode voltage (typically 2.5 V) using a transformer or driver-amplifier network - leaving the inputs floating results in saturated output codes.
معلومات الامتثال
RoHS-compliant PQFP package per the G3 suffix designation. Not AEC-Q100 qualified - choose ADS5423MPJYEP for automotive-grade requirements.
