ADS5541IPAPR - 14-Bit 105MSPS Pipeline ADC | Texas Instruments
N.º de pieza: ADS5541IPAPR ✓ Activo| Cant. | Precio unitario | 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 Descripción general
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.
Alternativas directas para ADS5541IPAPR — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ADS5542IPAP
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADS5500IPAPR
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADS5541IPAP
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADS5541IPAPG4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
AD9244BSTZ-100
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADS5541IPAPRG4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADS5541IPAPR Valores máximos y características eléctricas
| Resolución | 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 |
| Encapsulado | 64-HTQFP PowerPAD (10x10 mm) |
| Tipo de montaje | Surface Mount |
| Rango de temperatura de funcionamiento | -40C to +85C (industrial) |
| Estado RoHS | Compliant |
Configuración de pines de ADS5541IPAPR
| Pin 1 | AVDD — 3.3 V analog supply |
| Pin 2 | INP — Positive differential analog input |
| Pin 3 | INM — Negative differential analog input |
| Pin 4 | VCM — Common-mode voltage output |
| Pin 5 | AGND — Analog ground |
| Pin 6 | REFT — Reference top decoupling |
| Pin 7 | REFB — Reference bottom decoupling |
| Pin 8 | SENSE — Reference mode select |
| Pin 9 | AVDD — 3.3 V analog supply |
| Pin 10 | AGND — Analog ground |
| Pin 11 | CLKIN — Sample clock input |
| Pin 12 | CLKINB — Complementary sample clock input |
| Pin 13 | AVDD — 3.3 V analog supply |
| Pin 14 | AGND — Analog ground |
| Pin 15 | D0 — CMOS data output bit 0 (LSB) |
| Pin 16 | D1 — CMOS data output bit 1 |
| Pin 17 | D2 — CMOS data output bit 2 |
| Pin 18 | D3 — CMOS data output bit 3 |
| Pin 19 | D4 — CMOS data output bit 4 |
| Pin 20 | D5 — CMOS data output bit 5 |
| Pin 21 | D6 — CMOS data output bit 6 |
| Pin 22 | D7 — CMOS data output bit 7 |
| Pin 23 | D8 — CMOS data output bit 8 |
| Pin 24 | D9 — CMOS data output bit 9 |
| Pin 25 | D10 — CMOS data output bit 10 |
| Pin 26 | D11 — CMOS data output bit 11 |
| Pin 27 | D12 — CMOS data output bit 12 |
| Pin 28 | D13 — CMOS data output bit 13 |
| Pin 29 | OVR — Out-of-range indicator |
| Pin 30 | DRVDD — 3.3 V digital output supply |
| Pin 31 | DRGND — Digital output ground |
| Pin 32 | NC — Not connected |
| Pin 33 | DRVDD — 3.3 V digital output supply |
| Pin 34 | DRGND — Digital output ground |
| Pin 35 | NC — Not connected |
| Pin 36 | DRVDD — 3.3 V digital output supply |
| Pin 37 | DRGND — Digital output ground |
| Pin 38 | NC — Not connected |
| Pin 39 | DRVDD — 3.3 V digital output supply |
| Pin 40 | DRGND — Digital output ground |
| Pin 41 | NC — Not connected |
| Pin 42 | DRVDD — 3.3 V digital output supply |
| Pin 43 | DRGND — Digital output ground |
| Pin 44 | NC — Not connected |
| Pin 45 | DRVDD — 3.3 V digital output supply |
| Pin 46 | DRGND — Digital output ground |
| Pin 47 | NC — Not connected |
| Pin 48 | DRVDD — 3.3 V digital output supply |
| Pin 49 | DRGND — Digital output ground |
| Pin 50 | NC — Not connected |
| Pin 51 | DRVDD — 3.3 V digital output supply |
| Pin 52 | DRGND — Digital output ground |
| Pin 53 | NC — Not connected |
| Pin 54 | DRVDD — 3.3 V digital output supply |
| Pin 55 | DRGND — Digital output ground |
| Pin 56 | NC — Not connected |
| Pin 57 | DRVDD — 3.3 V digital output supply |
| Pin 58 | DRGND — Digital output ground |
| Pin 59 | AVDD — 3.3 V analog supply |
| Pin 60 | AGND — Analog ground |
| Pin 61 | AVDD — 3.3 V analog supply |
| Pin 62 | AGND — Analog ground |
| Pin 63 | AVDD — 3.3 V analog supply |
| Pin 64 | AGND — Analog ground |
Aplicaciones típicas
ADS5541IPAPR es adecuado para 6 aplicacións: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADS5541IPAPR — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 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 |
Diferenciadores clave
- Higher sample rate than ADS5542 in the same footprint (frente a ADS5542IPAP)
- Lower power than ADS5500IPAPR at similar sample rate (frente a ADS5500IPAPR)
- Single-supply operation vs ADI alternatives (frente a AD9244BSTZ-100)
- Industrial temperature range standard (frente a AD9244BSTZ-100)
Notas de diseño
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.
Información de cumplimiento
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.
