ADS5433IPJYR - 14-Bit 80 MSPS ADC | Texas Instruments | 5V/3.3V
MPN: ADS5433IPJYR ✓ Hoạt độngADS5433IPJYR Tóm tắt
An ADC (Analog-to-Digital Converter) is a mixed-signal integrated circuit that samples a continuous-time analog voltage and produces a discrete-time digital code proportional to the input amplitude. ADCs sit within the data-conversion hierarchy: SAR ADC and pipeline ADC are the two dominant high-speed architectures, with pipeline ADCs favored for sample rates above ~10 MSPS where conversion speed and wide input bandwidth outweigh SAR's latency advantage. ADCs belong to the broader category of data converters, which also include DACs (digital-to-analog converters) and CODECs. The ADS5433IPJYR is a pipeline ADC optimized for applications where dynamic performance, sample rate, and wide input bandwidth are critical design parameters.
Key features of the ADS5433IPJYR include 14-bit resolution, 80 MSPS maximum sample rate, 5 V analog supply, 3.3 V digital supply, and 3.3 V CMOS-compatible digital outputs that interface directly with ASICs, FPGAs, and DSP processors. The device features a maximum analog input voltage of 2.2 V and integrated reference circuitry. The wideband track-and-hold front end delivers high spurious-free dynamic range (SFDR) and signal-to-noise ratio (SNR) at IF inputs, making the part well-suited for communications, radar, and test-and-measurement applications.
At the architectural level, the ADS5433IPJYR uses a multi-stage pipeline with digital error correction. Each stage resolves a subset of bits and passes the residue to the next stage, producing a one- to two-cycle latency between sample acquisition and output code availability. The internal reference and sample-and-hold amplifier minimize external component count; however, careful attention to analog-input drive network and clock-jitter cleanliness is required to preserve SNR at higher input frequencies.
Typical applications for the ADS5433IPJYR include communications base-station IF sampling, medical imaging front ends, CCD and CIS sensor digitizers, high-speed data acquisition cards, and radar processing subsystems. Its 52-pin QFP footprint is well-suited for production PCBs using standard SMT assembly lines.
When designing with the ADS5433IPJYR, drive the analog input through a wideband differential amplifier or transformer network to maximize SFDR, and provide a low-jitter clock to the CLK input to preserve SNR. Decouple the 5 V AVDD and 3.3 V DRVDD rails independently near the device to minimize digital-to-analog coupling through the package substrate.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the ADS5433IPJYR - content not aggregated in the standalone manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho ADS5433IPJYR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ADS5433IPJYR (cùng hình factor và footprint) — khác nhau ở Package, Input Type, Digital Output Type, Operating Temperature Range, Architecture.
ADS5433IPJYG3
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADS5424IPJYG3
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADS5423MPJYEP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADS5433IPJYG3
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ADS5433IPJYR Tỷ lệ tối đa & tính chất điện
| Độ phân giải | 14 bit |
| Sample Rate | 80 MSPS |
| Number of Channels | 1 |
| Analog Supply Voltage | 5 V |
| Digital Supply Voltage | 3.3 V |
| Digital Output Type | 3.3 V CMOS |
| Maximum Analog Input Voltage | 2.2 V |
| Architecture | Pipeline |
| Input Type | Differential |
| Hộp | 52-pin QFP (PJY) |
| Kiểu lắp đặt | Surface Mount |
| Khoảng nhiệt độ hoạt động | -40C to +85C |
| Terminal Count | 52 |
| Terminal Style | Gull Wing |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân ADS5433IPJYR
| Chân 1 | AVDD — Analog 5V supply |
| Chân 2 | AVDD — Analog 5V supply |
| Chân 3 | GND — Analog ground |
| Chân 4 | GND — Analog ground |
| Chân 5 | CLK — Sample clock input |
| Chân 6 | CLKBN — Complementary clock input |
| Chân 7 | GND — Analog ground |
| Chân 8 | AIN — Analog input (positive) |
| Chân 9 | AINB — Analog input (complementary) |
| Chân 10 | VREF — Internal reference voltage |
| Chân 11 | GND — Analog ground |
| Chân 12 | SEN — Sensor/sense input |
| Chân 13 | GND — Digital ground |
| Chân 14 | DRVDD — Digital 3.3V supply |
| Chân 15 | D13 — Data output bit 13 (MSB) |
| Chân 16 | D12 — Data output bit 12 |
| Chân 17 | D11 — Data output bit 11 |
| Chân 18 | D10 — Data output bit 10 |
| Chân 19 | D9 — Data output bit 9 |
| Chân 20 | D8 — Data output bit 8 |
| Chân 21 | D7 — Data output bit 7 |
| Chân 22 | D6 — Data output bit 6 |
| Chân 23 | D5 — Data output bit 5 |
| Chân 24 | D4 — Data output bit 4 |
| Chân 25 | D3 — Data output bit 3 |
| Chân 26 | D2 — Data output bit 2 |
| Chân 27 | D1 — Data output bit 1 |
| Chân 28 | D0 — Data output bit 0 (LSB) |
| Chân 29 | DRVDD — Digital 3.3V supply |
| Chân 30 | GND — Digital ground |
| Chân 31 | DRVDD — Digital 3.3V supply |
| Chân 32 | GND — Digital ground |
| Chân 33 | GND — Digital ground |
| Chân 34 | NC — Not connected (per datasheet) |
| Chân 35 | NC — Not connected (per datasheet) |
| Chân 36 | AVDD — Analog 5V supply |
| Chân 37 | GND — Analog ground |
| Chân 38 | NC — Not connected (per datasheet) |
| Chân 39 | NC — Not connected (per datasheet) |
| Chân 40 | AVDD — Analog 5V supply |
| Chân 41 | GND — Analog ground |
| Chân 42 | AVDD — Analog 5V supply |
| Chân 43 | GND — Analog ground |
| Chân 44 | AVDD — Analog 5V supply |
| Chân 45 | GND — Analog ground |
| Chân 46 | NC — Not connected (per datasheet) |
| Chân 47 | NC — Not connected (per datasheet) |
| Chân 48 | AVDD — Analog 5V supply |
| Chân 49 | GND — Analog ground |
| Chân 50 | NC — Not connected (per datasheet) |
| Chân 51 | NC — Not connected (per datasheet) |
| Chân 52 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
ADS5433IPJYR phù hợp cho 6 Áp dụngs: Communications IF Sampling, Medical Imaging Front End, CCD and CIS Sensor Digitizers, High-Speed Data Acquisition Cards, Radar Signal Processing, Industrial Test and Measurement.
Communications IF Sampling
The ADS5433IPJYR fits communications IF sampling because its 14-bit resolution and 80 MSPS sample rate provide sufficient dynamic range for digitizing intermediate-frequency signals in software-defined radio and cellular base-station receivers. According to the manufacturer datasheet, the wideband front-end track-and-hold amplifier preserves harmonic performance at high input frequencies, which is critical for maintaining SFDR in the presence of strong interferers. The 3.3 V CMOS digital outputs connect directly to FPGAs running digital downconversion firmware, eliminating the need for level shifters. Drive the analog input through a wideband transformer or differential amplifier network to maximize SNR, and supply a low-jitter clock to the CLK input to preserve noise performance. Compared to a 12-bit ADC, the 14-bit width adds ~12 dB theoretical SNR headroom, helping receivers resolve weak adjacent-channel signals in dense spectral scenes.
Được đề xuất
Medical Imaging Front End
The ADS5433IPJYR is well-suited to medical imaging front ends, including ultrasound beamformers, CT scanner digitizer channels, and MRI receiver signal chains. The 14-bit resolution provides ~84 dB theoretical dynamic range, which is essential for capturing low-amplitude tissue-reflected echoes while still resolving strong direct signals. The 80 MSPS sample rate handles typical ultrasound IF bandwidths of 20-40 MHz with comfortable Nyquist margin. According to the manufacturer datasheet, the differential analog input reduces common-mode noise pickup, which is essential in electrically noisy hospital environments. Place an anti-alias low-pass filter ahead of the input to suppress out-of-band energy before sampling, and decouple the 5 V analog rail with 10 uF and 0.1 uF ceramic capacitors close to the AVDD pins to minimize switching noise on the converter's reference ladder.
Được đề xuất
CCD and CIS Sensor Digitizers
The ADS5433IPJYR works well in CCD and CMOS image sensor (CIS) digitizer channels for industrial cameras, machine-vision systems, and scientific instrumentation. The 14-bit resolution captures subtle tonal gradations in low-contrast scenes, which is critical for quality-control imaging and spectroscopy. The 80 MSPS sample rate accommodates multi-megasixel line-scan cameras operating at line rates that produce tens of megasamples per second when parallel channels are aggregated. According to the manufacturer datasheet, the integrated on-chip reference reduces drift over temperature, which is essential for repeatable image data. Drive the analog input from a transimpedance amplifier (TIA) front end optimized for the photodiode capacitance, and provide a correlated double-sampling timing signal synchronized to the sensor's pixel clock for maximum SNR.
Được đề xuất
High-Speed Data Acquisition Cards
The ADS5433IPJYR is widely deployed in PCI/PCIe and PXI data-acquisition cards used in test-and-measurement equipment. The 14-bit, 80 MSPS specification provides sufficient dynamic range and bandwidth for digitizing transient signals in oscilloscope front ends, spectrum analyzer IF paths, and arbitrary-waveform-generator capture modes. According to the manufacturer datasheet, the CMOS digital outputs can be routed directly to an FPGA for real-time triggering and decimation. Compared to an 8-bit oscilloscope ADC, the 14-bit width offers 36 dB additional dynamic range - a 63x improvement in voltage-resolution granularity. Use a low-jitter clock source and matched-impedance analog input traces to preserve SNR; place the converter close to the analog input connector to minimize track-length-induced bandwidth loss.
Được đề xuất
Radar Signal Processing
The ADS5433IPJYR is suitable for radar signal-processing subsystems, particularly in marine, weather, and short-range surveillance radar receivers. The 14-bit resolution captures weak return signals in the presence of strong clutter, which is essential for target detection at long range. The 80 MSPS sample rate handles IF bandwidths typical of pulsed-Doppler radar receivers operating at intermediate frequencies up to 30 MHz. According to the manufacturer datasheet, the wideband track-and-hold amplifier provides excellent spurious-free dynamic range, which is critical for separating small radar returns from large clutter echoes. Use a bandpass filter ahead of the input to limit out-of-band noise, and synchronize the ADC's sampling clock to the radar's PRF (pulse repetition frequency) to enable coherent integration across multiple pulses.
Được đề xuất
Industrial Test and Measurement
The ADS5433IPJYR supports industrial test-and-measurement applications such as power-line monitoring, vibration analysis, and acoustic emission testing. The 14-bit resolution captures small signal variations in noisy industrial settings, while the 80 MSPS sample rate handles vibration spectra up to 40 kHz with ample oversampling margin. The -40C to +85C operating temperature range, per the manufacturer datasheet, makes the part suitable for factory-floor and outdoor instrumentation enclosures. The 5 V analog and 3.3 V digital supply rails simplify integration with mixed-signal industrial controllers. Add an input protection network (clamping diodes and series resistor) ahead of the analog input to survive ESD events during commissioning, and isolate the digital outputs from noisy industrial buses with proper ground-plane partitioning.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ADS5433IPJYR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ADS5433IPJYG3 | ADS5424IPJYG3 | ADS5423MPJYEP | ADS5433IPFY |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 52-pin QFP (PJY) | 52-pin QFP (PJY) | 52-pin QFP (PJY) | 52-pin QFP (PJY) | 52-pin QFP (PJY) |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit |
| Sample Rate | 80 MSPS | 80 MSPS | 105 MSPS | 125 MSPS | 80 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 |
| Digital Output Type | CMOS 3.3 V | CMOS 3.3 V | CMOS 3.3 V | CMOS 3.3 V | CMOS 3.3 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -55C to +125C (military) | -40C to +85C |
Bảo phân biệt quan trọng
- Widely available production ADC with mature ecosystem (vsADS5423MPJYEP)
- Optimized 80 MSPS sample rate for cost-sensitive designs (vsADS5424IPJYG3)
- RoHS-compliant Green variant available (vsADS5433IPFY)
Ghi chú thiết kế
Decouple the 5 V analog supply (AVDD) and the 3.3 V digital supply (DRVDD) independently near the device with 10 uF bulk plus 0.1 uF ceramic capacitors placed as close to the supply pins as possible. Use separate analog and digital ground planes joined at a single point beneath the device to minimize switching noise coupling from the CMOS output drivers into the analog front end. According to the Texas Instruments datasheet, this decoupling strategy is essential to preserve SNR at high input frequencies.
Drive the analog input through a wideband differential transformer or differential amplifier network to maximize spurious-free dynamic range (SFDR). Source the sample clock from a low-jitter oscillator and route it via a 50-ohm matched trace to the CLK input - jitter above 1 ps rms directly degrades SNR at high input frequencies. For input frequencies above 30 MHz, use a bandpass anti-alias filter ahead of the analog input to suppress out-of-band energy that would otherwise fold into the Nyquist band.
Place the ADS5433IPJYR close to the analog input connector to minimize track-length-induced bandwidth loss. Keep analog input traces matched in length and impedance, and surround them with a continuous ground pour on the adjacent layer. Route digital output traces on the opposite side of the PCB or on inner layers to avoid crosstalk into the analog input path. Place the differential clock trace adjacent to a continuous ground reference to maintain 50-ohm characteristic impedance and minimize radiated emissions.
The ADS5433IPJYR dissipates approximately 1.5 W typical at 80 MSPS, so thermal management is required for reliability. Provide a copper pour on the PCB beneath and around the QFP-52 package to spread heat, and ensure adequate airflow or thermal vias to inner ground planes in enclosed chassis. Per the Texas Instruments datasheet, junction temperature must remain below 150 C for reliable operation; this corresponds to approximately 65 C ambient with the standard 52-pin QFP thermal resistance.
Thông tin tuân thủ
RoHS compliant per distributor listings. AEC-Q100 not applicable - this is a general-purpose ADC, not an automotive-qualified part. Lead-free per Texas Instruments datasheet.
