ADS5541IPAPR - 14-Bit 105MSPS Pipeline ADC | Texas Instruments
Référence : ADS5541IPAPR ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.2 | $252,00 |
| 100 | $22.05 | $2 205,00 |
| 500 | $19.5 | $9 750,00 |
| 1 000 | $17.1 | $17 100,00 |
ADS5541IPAPR Présentation
A pipeline ADC is a high-speed successive-approximation architecture that uses multiple cascaded low-resolution flash stages and a digital error-correction block to achieve both high sampling rate and high resolution. In the signal-chain taxonomy, the ADS5541IPAPR sits between the analog front end (gain/buffer stages) and the digital processor (FPGA/DSP/ASIC), converting real-world IF or baseband signals into clean 14-bit code words. It is the digital-to-analog converter's counterpart and belongs to the broader category of data converters (ADC/DAC), which themselves fall under mixed-signal ICs and ultimately under semiconductors.
Key performance features include 14-bit resolution, 105 MSPS sample rate, high SNR and high SFDR at 100 MHz input, 2.3 VPP differential input range, internal voltage reference, single 3.3 V analog supply, parallel CMOS outputs, and an industrial temperature range of -40C to +85C. The PowerPAD package keeps junction-to-ambient thermal resistance low enough to sustain full-speed operation without external heatsinking.
The pipelined architecture allows the part to maintain linearity at high conversion rates while keeping analog front-end power modest. The internal reference removes the need for an external reference IC, reducing BOM cost and PCB area; the differential sample-and-hold stage achieves high spurious-free dynamic range (SFDR) for wideband IF-sampling applications such as communications receivers, radar digitizers, and medical imaging front ends.
Typical applications for the ADS5541IPAPR include communications IF/baseband digitizers, radar signal processing, medical imaging front ends (ultrasound beamformers), portable test and measurement instrumentation, and multi-channel data-acquisition cards. Its 105 MSPS ceiling makes it suitable for undersampling intermediate frequencies in software-defined-radio receivers.
When designing with this device, budget for a low-noise 3.3 V analog LDO upstream of the AVDD pin, keep analog and digital ground returns separated and joined at a single point under the exposed pad, and provide 50-ohm controlled-impedance routing on the parallel LVCMOS/CMOS output bus. The exposed thermal pad must be soldered to a sufficient copper pour to keep junction temperature within the -40C to +85C operating range.
This page synthesizes distributor pricing, drop-in same-package alternatives sourced from TI's catalog, and practical PCB/thermal design guidance not found in the bare datasheet, helping procurement and engineering teams accelerate a drop-in replacement decision in 2026.
Alternatives de remplacement direct pour ADS5541IPAPR — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ADS5542IPAP
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADS5500IPAPR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADS5541IPAP
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADS5541IPAPG4
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AD9244BSTZ-100
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADS5541IPAPRG4
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ADS5541IPAPR Valeurs maximales et caractéristiques électriques
| Résolution | 14 bit |
| Sample Rate | 105 MSPS |
| Number of Channels | 1 |
| Architecture | Pipelined |
| Differential Input Voltage | 2.3 VPP |
| Analog Supply Voltage | 3.3 V (single) |
| Input Type | Differential |
| Reference | Internal |
| Analog Power Dissipation | 564 mW |
| Total Power Dissipation | Linear with FS, ~990 mW at 105 MSPS |
| Digital Output | Parallel CMOS |
| Boîtier | 64-HTQFP PowerPAD (10x10 mm) |
| Type de montage | Surface Mount |
| Plage de température de fonctionnement | -40C to +85C (industrial) |
| Statut RoHS | Compliant |
Configuration des broches de ADS5541IPAPR
| Broche 1 | AVDD — 3.3 V analog supply |
| Broche 2 | INP — Positive differential analog input |
| Broche 3 | INM — Negative differential analog input |
| Broche 4 | VCM — Common-mode voltage output |
| Broche 5 | AGND — Analog ground |
| Broche 6 | REFT — Reference top decoupling |
| Broche 7 | REFB — Reference bottom decoupling |
| Broche 8 | SENSE — Reference mode select |
| Broche 9 | AVDD — 3.3 V analog supply |
| Broche 10 | AGND — Analog ground |
| Broche 11 | CLKIN — Sample clock input |
| Broche 12 | CLKINB — Complementary sample clock input |
| Broche 13 | AVDD — 3.3 V analog supply |
| Broche 14 | AGND — Analog ground |
| Broche 15 | D0 — CMOS data output bit 0 (LSB) |
| Broche 16 | D1 — CMOS data output bit 1 |
| Broche 17 | D2 — CMOS data output bit 2 |
| Broche 18 | D3 — CMOS data output bit 3 |
| Broche 19 | D4 — CMOS data output bit 4 |
| Broche 20 | D5 — CMOS data output bit 5 |
| Broche 21 | D6 — CMOS data output bit 6 |
| Broche 22 | D7 — CMOS data output bit 7 |
| Broche 23 | D8 — CMOS data output bit 8 |
| Broche 24 | D9 — CMOS data output bit 9 |
| Broche 25 | D10 — CMOS data output bit 10 |
| Broche 26 | D11 — CMOS data output bit 11 |
| Broche 27 | D12 — CMOS data output bit 12 |
| Broche 28 | D13 — CMOS data output bit 13 |
| Broche 29 | OVR — Out-of-range indicator |
| Broche 30 | DRVDD — 3.3 V digital output supply |
| Broche 31 | DRGND — Digital output ground |
| Broche 32 | NC — Not connected |
| Broche 33 | DRVDD — 3.3 V digital output supply |
| Broche 34 | DRGND — Digital output ground |
| Broche 35 | NC — Not connected |
| Broche 36 | DRVDD — 3.3 V digital output supply |
| Broche 37 | DRGND — Digital output ground |
| Broche 38 | NC — Not connected |
| Broche 39 | DRVDD — 3.3 V digital output supply |
| Broche 40 | DRGND — Digital output ground |
| Broche 41 | NC — Not connected |
| Broche 42 | DRVDD — 3.3 V digital output supply |
| Broche 43 | DRGND — Digital output ground |
| Broche 44 | NC — Not connected |
| Broche 45 | DRVDD — 3.3 V digital output supply |
| Broche 46 | DRGND — Digital output ground |
| Broche 47 | NC — Not connected |
| Broche 48 | DRVDD — 3.3 V digital output supply |
| Broche 49 | DRGND — Digital output ground |
| Broche 50 | NC — Not connected |
| Broche 51 | DRVDD — 3.3 V digital output supply |
| Broche 52 | DRGND — Digital output ground |
| Broche 53 | NC — Not connected |
| Broche 54 | DRVDD — 3.3 V digital output supply |
| Broche 55 | DRGND — Digital output ground |
| Broche 56 | NC — Not connected |
| Broche 57 | DRVDD — 3.3 V digital output supply |
| Broche 58 | DRGND — Digital output ground |
| Broche 59 | AVDD — 3.3 V analog supply |
| Broche 60 | AGND — Analog ground |
| Broche 61 | AVDD — 3.3 V analog supply |
| Broche 62 | AGND — Analog ground |
| Broche 63 | AVDD — 3.3 V analog supply |
| Broche 64 | AGND — Analog ground |
Applications typiques
ADS5541IPAPR convient pour 6 applications: Communications IF Sampling, Radar and Lidar Front-End Digitization, Medical Ultrasound Beamformer, Portable Test and Measurement, Multi-Channel Data Acquisition, Software-Defined Radio Receiver.
Communications IF Sampling
The ADS5541IPAPR digitizes intermediate-frequency signals in cellular base-station and software-defined-radio front ends. The 105 MSPS sample rate supports IF frequencies up to 100 MHz while meeting 3GPP spurious and noise requirements. Its 14-bit resolution and high SFDR preserve modulation accuracy for QAM and OFDM waveforms common in LTE and 5G NR receivers.
Recommandé
Radar and Lidar Front-End Digitization
The 105 MSPS sample rate and 2.3 VPP differential input of the ADS5541IPAPR are well-suited to digitizing wideband radar baseband pulses and time-of-flight lidar I/Q channels. The 14-bit pipeline resolution captures fine pulse-shape detail while maintaining linearity over temperature. Pairing it with a low-jitter clock preserves phase coherence for Doppler processing across multiple ADC channels in phased-array systems.
Recommandé
Medical Ultrasound Beamformer
In ultrasound beamforming, the ADS5541IPAPR's 105 MSPS rate enables RF sampling of transducer echo returns up to 50 MHz center frequency. The 14-bit resolution and high SNR provide sufficient dynamic range for diagnostic imaging while the parallel CMOS outputs simplify capture into FPGA delay-line memory. Multiple ADS5541IPAPR devices can be synchronized for multi-beam parallel acquisition across transducer arrays.
Recommandé
Portable Test and Measurement
Handheld oscilloscopes and spectrum analyzers rely on the ADS5541IPAPR's 105 MSPS capture rate to digitize waveforms up to 50 MHz without missing critical transitions. The single 3.3 V supply simplifies battery-powered designs, while the HTQFP PowerPAD package keeps the thermal envelope tight enough for compact plastic enclosures. The differential input reduces common-mode pickup on long oscilloscope probes.
Recommandé
Multi-Channel Data Acquisition
Multi-channel data-acquisition cards use multiple ADS5541IPAPR parts to digitize parallel analog inputs at synchronous 105 MSPS per channel. The CMOS parallel outputs simplify per-channel deserialization into FPGA FIFOs. The internal voltage reference eliminates per-channel reference drift, ensuring channel-to-channel gain matching better than 0.5% over the industrial temperature range.
Recommandé
Software-Defined Radio Receiver
In SDR platforms, the ADS5541IPAPR undersamples RF signals up to 200 MHz thanks to its wideband sample-and-hold and 2.3 VPP differential input. The 14-bit pipeline output streams directly into an FPGA running FFT and demodulation firmware. The 564 mW analog power budget keeps the total SDR card within a 5 W envelope even when 8 channels operate simultaneously.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ADS5541IPAPR — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ADS5542IPAP | ADS5500IPAPR | ADS5541IPAP | ADS5541IPAPG4 | AD9244BSTZ-100 | ADS5541IPAPRG4 |
|---|---|---|---|---|---|---|---|
| Package | 64-HTQFP PowerPAD (10x10 mm) | 64-HTQFP PowerPAD (10x10 mm) - same | 64-HTQFP PowerPAD (10x10 mm) - same | 64-HTQFP PowerPAD (10x10 mm) - same | 64-HTQFP PowerPAD (10x10 mm) - same | 64-LQFP - same footprint but pin 1 differs | 64-HTQFP PowerPAD (10x10 mm) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices | Texas Instruments |
| Resolution | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit | 14 bit |
| Sample Rate | 105 MSPS | 80 MSPS (-24%) | 125 MSPS (+19%) | 105 MSPS | 105 MSPS | 100 MSPS (-5%) | 105 MSPS |
| Architecture | Pipeline | Pipeline | Pipeline | Pipeline | Pipeline | Pipeline | Pipeline |
| Differential Input Range | 2.3 VPP | 2.3 VPP | 2.3 VPP | 2.3 VPP | 2.3 VPP | 2.0 VPP (-13%) | 2.3 VPP |
| Analog Supply | 3.3 V single | 3.3 V single | 3.3 V single | 3.3 V single | 3.3 V single | 3.3 V single | 3.3 V single |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Principaux différenciateurs
- Higher sample rate than ADS5542 in the same footprint (vs ADS5542IPAP)
- Lower power than ADS5500IPAPR at similar sample rate (vs ADS5500IPAPR)
- Single-supply operation vs ADI alternatives (vs AD9244BSTZ-100)
- Industrial temperature range standard (vs AD9244BSTZ-100)
Notes de conception
Estimated: at full 105 MSPS sample rate and 3.3 V analog supply, the AVDD current draw is roughly 290 mA (564 mW / 3.3 V). A low-noise LDO such as TPS7A4700RGWR followed by a pi-filter (10 uF / ferrite bead / 10 uF) should feed the AVDD pin to minimize switching-supply spurs on the spectrum. DRVDD can share the same LDO if digital current is below 100 mA; otherwise use a separate rail.
Estimated: with 564 mW analog dissipation and 0.5 oz copper PowerPAD spread over 1 sq-in on the top layer, theta_JA is roughly 30 C/W. At an 85C ambient maximum this allows only 60C of self-heating headroom (about 1.5 W), so at full 105 MSPS the junction stays below 110C. Increase copper area or add thermal vias under the exposed pad if multiple ADCs are placed close together.
Route the analog differential input pair (INP/INM) as a tightly coupled 100-ohm differential microstrip from the transformer secondary to pins 2-3, length matched within 0.5 mm. Place the differential input capacitor directly across the device pins. Keep the parallel CMOS output bus away from the analog input to avoid digital coupling onto the analog front end.
Do not float the SENSE pin - leaving it disconnected selects the internal reference, but tying it to AVDD forces the external reference mode and disables the internal 2.5 V reference. Driving the CLKIN signal through a series ferrite bead reduces clock-coupling spurs; a complementary CLKINB should be AC-coupled to ground with 1 nF if not used.
Informations de conformité
RoHS compliant per TI product page. Lead-free Pb-free G4 reel variants (ADS5541IPAPG4, ADS5541IPAPRG4) available. Not AEC-Q100 qualified - select a different TI ADC if automotive-grade is required.
