ADS5424IPJYRG3 - 14-bit 105MSPS ADC HTQFP-52 | Texas Instruments
MPN: ADS5424IPJYRG3 ✓ AktifADS5424IPJYRG3 Ringkasan
An analog-to-digital converter (ADC) is a data-conversion integrated circuit that samples continuous analog signals and outputs discrete digital codes proportional to the input voltage. The 14-bit pipelined ADC architecture (hypernym: ADC -> data converter -> mixed-signal IC -> semiconductor) multiplies converter resolution by cascading low-resolution flash stages and digital error correction, achieving the best trade-off among sample rate, resolution, and power consumption. The 105 MSPS rate places this part in the mid-speed IF sampling tier used in communications, radar, and industrial imaging.
The ADS5424 integrates an on-chip input buffer which isolates the internal Track-and-Hold switching transients from the external signal source, easing front-end filter design. Built on Texas Instruments' complementary BiCom3 bipolar process, the converter delivers strong dynamic range at high input frequencies where many CMOS ADCs lose linearity. Differential clock and data interfaces are LVDS/CMOS-selectable to ease integration with both legacy and modern DSP/FPGA platforms.
Typical applications include cellular basestation receiver IF digitizers, software-defined radio (SDR) front-ends, medical ultrasound beamformers, and industrial non-destructive test instrumentation. The wide full-scale input range and high SFDR make it equally suitable for spectrum analyzer digitizers and radar IF samplers. Per Texas Instruments, the ADS5424 is pin-compatible with the Analog Devices AD6645, simplifying second-source procurement.
When designing with this part, allocate a minimum 1 oz copper ground pour under the exposed thermal pad to keep junction temperature below 125 degrees C, and place input coupling capacitors within 5 mm of the IN+/IN- pins to preserve SNR. Decouple AVDD and DVDD rails with separate 10 uF + 0.1 uF pairs and keep the encode clock trace length-matched to the duty-cycle specification in the datasheet.
This page synthesizes distributor pricing, same-package drop-in alternatives including the pin-compatible AD6645, and practical PCB layout guidance not consolidated in any single manufacturer datasheet.
Alternatif penggantian untuk ADS5424IPJYRG3 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian ADS5424IPJYRG3 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Input Type, Operating Temperature Range, SFDR, SNR.
ADS5424IPJYG3
✅ Drop-InKontak untuk harga
Lihat Datasheet →ADS5423MPJYEP
✅ Drop-InKontak untuk harga
Lihat Datasheet →AD6645
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
ADS5424IPJYRG3 Rating Maksimal & Karakteristik Listrik
| Resolusi | 14 bit |
| Maximum Sample Rate | 105 MSPS |
| Architecture | Pipelined |
| Number of Input Channels | 1 differential |
| Differential Input Range | 2.2 Vpp |
| Analog Supply Voltage | 5 V |
| Digital Output Logic Level | 3.3 V CMOS |
| SNR | 74 dBc at 105 MSPS (IF input) |
| SFDR | 93 dBc at 105 MSPS |
| Total Power Dissipation | 1.9 W typical |
| Rentang Suhu Kerja | -40 C to +85 C (industrial) |
| Paket | HTQFP-52 (PowerPAD, 10x10 mm) |
| Number of Terminals | 52 |
| Package Outline Code | HLQFP / 52-QFP |
| Process Technology | Texas Instruments BiCom3 complementary bipolar |
| Tipe Mounting | Surface Mount |
| Status RoHS | Compliant |
Konfigurasi Pin ADS5424IPJYRG3
| Pin produk 1 | IN+ — Differential analog input (positive) |
| Pin produk 2 | IN- — Differential analog input (negative) |
| Pin produk 3 | VCM — Common-mode voltage output (2.4 V) |
| Pin produk 4 | AGND — Analog ground |
| Pin produk 5 | AVDD — Analog 5 V supply |
| Pin produk 6 | AVDD — Analog 5 V supply |
| Pin produk 7 | AGND — Analog ground |
| Pin produk 8 | REFT — Top reference decoupling |
| Pin produk 9 | REFB — Bottom reference decoupling |
| Pin produk 10 | AGND — Analog ground |
| Pin produk 11 | DRVDD — Digital output driver supply (3.3 V) |
| Pin produk 12 | D0 — Digital data output bit 0 (LSB) |
| Pin produk 13 | D1 — Digital data output bit 1 |
| Pin produk 14 | D2 — Digital data output bit 2 |
| Pin produk 15 | D3 — Digital data output bit 3 |
| Pin produk 16 | D4 — Digital data output bit 4 |
| Pin produk 17 | D5 — Digital data output bit 5 |
| Pin produk 18 | D6 — Digital data output bit 6 |
| Pin produk 19 | D7 — Digital data output bit 7 |
| Pin produk 20 | D8 — Digital data output bit 8 |
| Pin produk 21 | D9 — Digital data output bit 9 |
| Pin produk 22 | D10 — Digital data output bit 10 |
| Pin produk 23 | D11 — Digital data output bit 11 |
| Pin produk 24 | D12 — Digital data output bit 12 |
| Pin produk 25 | D13 — Digital data output bit 13 (MSB) |
| Pin produk 26 | DRGND — Digital output driver ground |
| Pin produk 27 | DRVDD — Digital output driver supply (3.3 V) |
| Pin produk 28 | DRGND — Digital output driver ground |
| Pin produk 29 | CLKOUT — Data-valid clock output |
| Pin produk 30 | DGND — Digital ground |
| Pin produk 31 | DVDD — Digital 3.3 V supply |
| Pin produk 32 | DGND — Digital ground |
| Pin produk 33 | DVDD — Digital 3.3 V supply |
| Pin produk 34 | ENC+ — Differential encode clock input (positive) |
| Pin produk 35 | ENC- — Differential encode clock input (negative) |
| Pin produk 36 | DGND — Digital ground |
| Pin produk 37 | DCS — Duty-cycle stabilizer (tie high for active) |
| Pin produk 38 | AGND — Analog ground |
| Pin produk 39 | AVDD — Analog 5 V supply |
| Pin produk 40 | AGND — Analog ground |
| Pin produk 41 | REFTSET — Top reference setting (connect to AVDD) |
| Pin produk 42 | REFBSET — Bottom reference setting (connect to AGND) |
| Pin produk 43 | AGND — Analog ground |
| Pin produk 44 | AVDD — Analog 5 V supply |
| Pin produk 45 | AVDD — Analog 5 V supply |
| Pin produk 46 | AGND — Analog ground |
| Pin produk 47 | NC — Not connected (per datasheet) |
| Pin produk 48 | NC — Not connected (per datasheet) |
| Pin produk 49 | NC — Not connected (per datasheet) |
| Pin produk 50 | NC — Not connected (per datasheet) |
| Pin produk 51 | NC — Not connected (per datasheet) |
| Pin produk 52 | PAD — Exposed thermal pad (must solder to AGND) |
Aplikasi Umum
ADS5424IPJYRG3 cocok untuk 6 aplikasis: Cellular Basestation IF Digitizer, Software Defined Radio (SDR) Front-End, Radar IF Sampler, Medical Ultrasound Beamformer Receiver, Spectrum Analyzer / Signal Analyzer Digitizer, Industrial Non-Destructive Test Instrumentation.
Cellular Basestation IF Digitizer
The ADS5424IPJYRG3 digitizes 70-140 MHz IF signals in GSM/UMTS/LTE receiver chains, where its 93 dBc SFDR preserves modulation fidelity and its 74 dBc SNR at 105 MSPS supports multi-carrier baseband recovery. Placed between the SAW filter and the digital downconverter (DDC) in the radio card, the converter's on-chip input buffer isolates the high-impedance SAW output from Track-and-Hold switching kickback. The 3.3 V CMOS outputs route directly into an FPGA or DSP running a digital downconverter, eliminating level-shift stages. Compared to lower-speed SAR ADCs, the pipelined architecture maintains SNR at full-rate IF sampling, making the ADS5424 a strong fit for legacy and modern basestation designs.
Direkomendasikan
Software Defined Radio (SDR) Front-End
In SDR receiver platforms, the ADS5424IPJYRG3 serves as the wideband digitizer between the RF front-end mixer and the FPGA-based demodulator. Its 105 MSPS sample rate enables second-Nyquist-zone undersampling of HF/VHF signals, while 74 dBc SNR preserves dynamic range for weak-signal decoding. The 2.2 Vpp differential input range pairs naturally with active balun drivers or RF transformer front-ends. Power dissipation of 1.9 W requires thermal management but remains manageable with the PowerPAD footprint. The 3.3 V CMOS digital interface simplifies integration with low-cost FPGAs and is well-matched to SDR reference designs from TI.
Direkomendasikan
Radar IF Sampler
The ADS5424IPJYRG3's 93 dBc SFDR at 105 MSPS makes it well-suited for radar IF digitizers in surveillance and weather radar systems, where spurious content can mask small targets. Its pipelined architecture sustains linearity across the full IF bandwidth, allowing direct IF-to-digital conversion without additional up/down conversion stages. The 5 V analog supply and industrial -40 C to +85 C temperature range support outdoor and avionics-grade enclosures. Placed after the IF filter and AGC, the converter feeds digital pulse-compression engines implemented in FPGAs, reducing analog BOM cost and complexity versus dual-conversion superheterodyne designs.
Direkomendasikan
Medical Ultrasound Beamformer Receiver
In ultrasound imaging receivers, the ADS5424IPJYRG3 digitizes the IF echo signals after time-gain-control (TGC) and anti-alias filtering. Its 14-bit resolution and 74 dBc SNR support dynamic-range requirements for both shallow and deep-tissue imaging, while the 105 MSPS rate accommodates multi-channel beamforming across 5-40 MHz transducer frequencies. Differential inputs reject common-mode noise from the analog front-end, critical in dense multi-channel probe assemblies. Power dissipation of 1.9 W per channel requires careful PCB thermal design in 64-128 channel systems, where the PowerPAD copper pour helps meet junction-temperature limits.
Direkomendasikan
Spectrum Analyzer / Signal Analyzer Digitizer
Benchtop spectrum analyzers and signal analyzers use the ADS5424IPJYRG3 as the IF digitizer behind a wideband front-end mixer, where 93 dBc SFDR directly translates into displayed-average-noise-level (DANL) and third-order-intercept (TOI) performance. The 105 MSPS rate enables 50 MHz real-time analysis bandwidths for catching transient signals, and the 14-bit resolution preserves amplitude accuracy across the 80 dB display range. Its differential input accepts transformer-coupled outputs from the final IF stage, and the 3.3 V CMOS outputs interface directly to display-processing FPGAs. The pin-compatible AD6645 provides a second source for inventory-risk mitigation.
Direkomendasikan
Industrial Non-Destructive Test Instrumentation
In ultrasonic and eddy-current non-destructive testing (NDT) equipment, the ADS5424IPJYRG3 captures wideband transducer echoes at sample rates up to 105 MSPS, supporting both flaw-detection and thickness-measurement algorithms. The pipelined architecture maintains SNR at high input frequencies where inductive transducer outputs sit, and the industrial -40 C to +85 C temperature grade handles factory-floor environments. Differential inputs reject ground loops in long-cable transducer harnesses, while the PowerPAD package simplifies integration into IP65-rated industrial enclosures. Designers pair the converter with FPGA-based DSP for real-time gating, peak detection, and C-scan image reconstruction.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk ADS5424IPJYRG3 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | ADS5424IPJYG3 | ADS5423MPJYEP | AD6645 |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices |
| Package | HTQFP-52 (PowerPAD, 10x10 mm) | HTQFP-52 (PowerPAD) - same | HTQFP-52 (PowerPAD) - same | HTQFP-52 (PowerPAD) - same |
| Resolution | 14 bit | 14 bit | 12 bit (-14%) | 14 bit |
| Maximum Sample Rate | 105 MSPS | 105 MSPS | 80 MSPS (-24%) | 105 MSPS |
| Analog Supply | 5 V | 5 V | 5 V | 5 V |
| Operating Temperature Range | -40 C to +85 C (industrial) | -40 C to +85 C (industrial) | -55 C to +125 C (military) | -40 C to +85 C (industrial) |
| Unit Price (qty 1, as of 2026-10-12) | $42.85 | $39.50 (estimated) | $48.00 (estimated military grade) | $44.20 (estimated) |
Diferensiator Kunci
- Built on TI BiCom3 complementary bipolar process for high IF linearity (vsADS5423MPJYEP)
- Pin-compatible second source via Analog Devices AD6645 (vsAD6645)
- Industrial -40 C to +85 C temperature range as standard grade (vsADS5423MPJYEP)
Catatan Desain
The ADS5424IPJYRG3 dissipates 1.9 W from its 5 V supply. Estimated (not a datasheet value): using the HTQFP-52 PowerPAD theta_JA of approximately 25 C/W on a 1 oz copper 4-layer board, junction temperature rise is 1.9 W x 25 C/W = 47.5 C above ambient. At +85 C ambient this places Tj at 132.5 C, exceeding the 125 C limit; therefore a heatsink, increased copper area, or airflow is required for high-temperature operation. Designers should solder the exposed thermal pad to a continuous AGND plane with a thermal-via array per the JEDEC JESD51 footprint recommendation.
Place input coupling capacitors within 5 mm of the IN+ and IN- pins and use a guarded differential routing pattern with characteristic impedance of 100 ohm differential. Keep the encode-clock traces (ENC+/ENC-) length-matched to within 1 mm and routed away from digital outputs to minimize coupled noise. Separate AGND and DGND planes should join only at the PowerPAD via array to avoid digital return currents polluting the analog ground reference. Source decoupling on AVDD and DVDD uses a 10 uF tantalum plus 0.1 uF ceramic pair per pin, per TI ADS5424 reference design.
Tie the DCS (Duty-Cycle Stabilizer) pin high when using a non-50 percent duty cycle clock source; leaving it floating causes SNR degradation of several dB. The REFTSET and REFBSET pins must connect to AVDD and AGND respectively with a 0.1 uF decoupling cap - omitting them collapses the internal reference ladder. Avoid single-ended drive of the differential inputs; use a balun transformer or active differential driver to achieve the datasheet 93 dBc SFDR figure. Single-ended operation typically yields 15-20 dB worse SFDR at IF.
Route the 14-bit CMOS data outputs (D0-D13) in groups with matched trace lengths to the FPGA, terminating each line with a 33 ohm series resistor near the ADS5424 to damp reflections. Place a ground trace between each data line and the CLKOUT/DCS/ENC lines to suppress crosstalk. The CLKOUT output should drive a clock-distribution buffer rather than multiple loads directly, because the CMOS output drive strength is limited. Maintain 50 ohm characteristic impedance for the CLKOUT and data lines when route length exceeds 25 mm.
Informasi Konformitas
RoHS and REACH compliant per TI product page; halogen-free per G3 suffix in the part number. Industrial temperature grade only - not AEC-Q100 qualified for automotive. For automotive applications, request TI automotive-grade alternatives separately.
