ADS1606IPAPRG4 - 16-Bit 5MSPS Delta-Sigma ADC | Texas Instruments
N.º da peça: ADS1606IPAPRG4 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.65 | $256,50 |
| 100 | $22.8 | $2.280,00 |
| 500 | $20.5 | $10.250,00 |
| 1.000 | $18.95 | $18.950,00 |
ADS1606IPAPRG4 Visão geral
A delta-sigma ADC (also written as delta-sigma or sigma-delta) is a type of oversampling converter that uses noise-shaping to push quantization noise out of the baseband, achieving much higher resolution and linearity than successive-approximation (SAR) or flash converters at moderate sample rates. Delta-sigma ADCs sit within the data-converter -> ADC -> precision converter hierarchy and are widely used in instrumentation, audio, vibration analysis, and seismic applications where bandwidth is moderate (kHz to low MHz) but dynamic range is paramount.
Key features include linear-phase response with passband ripple of plus or minus 0.0025 dB to 2.2 MHz, a digital power-down mode controlled by a GPIO, and the TI PowerPAD thermal pad that lowers junction-to-ambient thermal resistance for sustained high-speed operation. The analog supply runs from 4.75 V to 5.25 V, while the digital I/O runs from 3.0 V to 3.6 V for easy host-MCU interfacing.
The architecture uses a multi-bit modulator followed by digital decimation filtering, achieving wideband dynamic range without sacrificing flat frequency response. The 2.45 MHz bandwidth makes the part well-suited for applications that need to digitize fast transient signals without aliasing artifacts introduced by conventional Nyquist converters.
Typical applications include vibration and acoustic analysis, sonar beamforming, scientific instrumentation, medical imaging front-ends, seismic data acquisition, and precision industrial process control. The FIFO buffer allows the host processor to burst-read conversion data without missing samples.
When designing with this part, allocate adequate copper pour to the PowerPAD to keep junction temperature within datasheet limits and follow TI reference decoupling design recommendations (typically 10 uF bulk plus 100 nF ceramic near the supply pins). Note that the ADS1606IPAPRG4 is marked Obsolete by DigiKey and is no longer manufactured - new designs should consider the ADS1606IPAPR (non-G4) variant or current production successors.
This page consolidates distributor pricing, drop-in alternatives, and practical design guidance that go beyond what is printed in the manufacturer datasheet.
Alternativas drop-in para ADS1606IPAPRG4 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ADS1606IPAPR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ADS1606IPAPT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ADS1605IPAPR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ADS1606IPAPRG4 Classificações máximas e características elétricas
| Resolução | 16 bit |
| Architecture | Delta-Sigma |
| Number of Channels | 1 |
| Data Rate (Low-Speed Mode) | 5 MSPS |
| Data Rate (2X Mode) | 10 MSPS |
| Signal-to-Noise Ratio (SNR) | 88 dB |
| Total Harmonic Distortion (THD) | -99 dB |
| Spurious-Free Dynamic Range (SFDR) | 101 dB |
| Bandwidth (-3 dB) | 2.45 MHz |
| Passband Ripple | +/- 0.0025 dB (to 2.2 MHz) |
| Integral Nonlinearity (INL) | 0.0011% (approx) |
| Analog Supply Voltage | 4.75 V to 5.25 V |
| Digital I/O Supply Voltage | 3.0 V to 3.6 V |
| Temperatura de operação | -40C to +85C |
| Reference | Selectable internal or external |
| On-Chip FIFO | Yes |
| Encapsulamento | 64-pin HTQFP (PAP) PowerPAD, 10x10 mm |
| Power Down Mode | Yes (digital I/O controlled) |
Configuração de pinos do ADS1606IPAPRG4
| Pino 1 | AVDD — Analog supply (4.75 V to 5.25 V) |
| Pino 16 | DGND — Digital ground |
| Pino 17 | DVDD — Digital I/O supply (3.0 V to 3.6 V) |
| Pino 32 | AINP — Differential analog input positive |
| Pino 33 | AINN — Differential analog input negative |
| Pino 48 | DRDY — Data ready output |
| Pino 49 | CS — Chip select (active low) |
| Pino 50 | SCLK — Serial clock input |
| Pino 51 | DOUT — Serial data output |
| Pino 52 | DIN — Serial data input |
| Pino 53 | PDWN — Power down control input |
| Pino 54 | RESET — Reset input (active low) |
| Pino 55 | REFEN — Reference enable / select |
| Pino 56 | VREF — Voltage reference pin |
| Pino 63 | AGND — Analog ground |
| Pino 64 | AGND — Analog ground (second bond) |
Aplicações típicas
ADS1606IPAPRG4 é adequado para 6 aplicaçãos: Vibration and Acoustic Analysis, Sonar and Beamforming Front-Ends, Scientific Instrumentation, Medical Imaging Front-Ends, Seismic Data Acquisition, Precision Industrial Process Control.
Vibration and Acoustic Analysis
The ADS1606IPAPRG4 is well-suited for vibration and acoustic analysis systems that require capturing fast transient signals across a wide bandwidth with high linearity. Its 88 dB SNR and 101 dB SFDR preserve dynamic range across the 2.45 MHz linear-phase bandwidth, while the +/- 0.0025 dB passband ripple ensures flat magnitude response critical for FFT-based spectral analysis. The integrated on-chip FIFO simplifies data transfer to DSP or FPGA processing back-ends without sample loss. Powered by a 5 V analog supply and 3.3 V digital I/O, it pairs easily with floating-point DSPs in modal-analysis and acoustic-emission test rigs.
Recomendado
Sonar and Beamforming Front-Ends
Sonar and acoustic beamforming arrays require multi-channel ADCs that digitize broadband signals with consistent phase response. The ADS1606IPAPRG4 delivers linear-phase response across its 2.45 MHz bandwidth, making the timing relationship between channels predictable for beamforming algorithms. Its 16-bit resolution and 88 dB SNR capture returns from active sonar pings with sufficient dynamic range for both strong and weak targets. The 64-HTQFP PowerPAD package and FIFO buffer support multi-channel boards where synchronized sampling and thermal management are key design constraints.
Recomendado
Scientific Instrumentation
Precision scientific instrumentation such as chromatography detectors, mass-spec front-ends, and optical-power meters benefit from the ADS1606IPAPRG4's 16-bit resolution and low distortion. The 101 dB SFDR is critical when measuring small AC signals in the presence of larger interferers, while the linear-phase decimation filter preserves pulse shape for time-domain measurements. The on-chip selectable reference simplifies single-board designs, and the FIFO allows burst-mode acquisitions without host-processor back-pressure, a common requirement in laboratory automation.
Recomendado
Medical Imaging Front-Ends
Medical imaging systems such as ultrasound receivers and patient-monitoring front-ends use the ADS1606IPAPRG4 to digitize wideband analog signals with high fidelity. The 2.45 MHz bandwidth covers the fundamental frequency range of Doppler ultrasound and high-frequency ECG/biopotential channels. With 88 dB SNR and -99 dB THD, the converter preserves diagnostic-grade signal integrity, while the PowerPAD package enables compact multi-board receiver designs that must dissipate heat efficiently in fan-cooled enclosures.
Recomendado
Seismic Data Acquisition
Seismic acquisition systems digitize signals from geophone and hydrophone arrays with wide dynamic range and consistent phase response across the survey bandwidth. The ADS1606IPAPRG4's 88 dB SNR, 101 dB SFDR, and flat linear-phase response through 2.2 MHz make it appropriate for digitizing broadband seismic waveforms without group-delay distortion. The 5 MSPS throughput allows oversampling of geophone channels to push quantization noise below the sensor noise floor, and the FIFO enables field-programmable gate-array (FPGA) timing boards to gather synchronized channel data.
Recomendado
Precision Industrial Process Control
Industrial process-control loops need accurate digitisation of transducer outputs at moderate bandwidth. The ADS1606IPAPRG4's 16-bit resolution, integrated FIFO, and selectable on-chip reference simplify the analog front-end design for control boards reading strain gauges, load cells, and pressure transducers. The 5 MSPS data rate is oversampled relative to typical control loops, allowing aggressive digital filtering to reject 50/60 Hz line noise and mechanical vibration. The 64-HTQFP PowerPAD package supports -40C to +85C industrial environments.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ADS1606IPAPRG4 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ADS1606IPAPR | ADS1606IPAPT | ADS1605IPAPR |
|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | HTQFP-64 (PAP) PowerPAD | HTQFP-64 (PAP) PowerPAD - same | HTQFP-64 (PAP) PowerPAD - same | HTQFP-64 (PAP) PowerPAD - same |
| Resolution | 16 bit | 16 bit | 16 bit | 16 bit |
| Data Rate | 5 MSPS (10 MSPS in 2X mode) | 5 MSPS (10 MSPS in 2X mode) | 5 MSPS (10 MSPS in 2X mode) | Lower data rate (ADS1605 family) |
| On-Chip FIFO | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Active (non-G4 variant) | Active (tape and reel variant) | Active |
Principais diferenciais
- Identical die and package as the active ADS1606IPAPR variant (vs ADS1606IPAPR)
- Highest data-rate pin-compatible variant in family (vs ADS1605IPAPR)
- Linear-phase response preserves pulse shape for time-domain measurements (vs ADS6242IRGZR)
Notas de projeto
The ADS1606IPAPRG4 uses a split supply: AVDD 4.75 V to 5.25 V and DVDD 3.0 V to 3.6 V. Per the TI ADS1606 datasheet, place a 10 uF bulk capacitor plus a 100 nF ceramic decoupling capacitor as close as possible to each supply pin. Use a ferrite bead or pi-filter between the analog and digital supplies to prevent digital switching transients from coupling into the analog front-end and degrading SNR.
Estimated: at full-speed 5 MSPS operation with the analog supply at 5.25 V, power dissipation is approximately 350 to 450 mW. The 64-HTQFP PowerPAD package requires a continuous ground copper pour directly under the exposed pad to achieve the datasheet thermal resistance. Without adequate thermal management, junction temperature can exceed the 125 C limit during sustained full-rate operation.
Route the AINP/AINN differential traces as a matched pair with 50 ohm characteristic impedance and a continuous ground reference plane beneath. Avoid routing digital traces near the analog input traces; the ADS1606 datasheet recommends keeping digital lines on the opposite PCB side. The PowerPAD must be soldered to a ground plane with multiple thermal vias to dissipate heat and provide low-impedance analog ground return.
Because the ADS1606IPAPRG4 is Obsolete, do not specify it for new designs - use the ADS1606IPAPR or ADS1606IPAPT for drop-in compatibility, or evaluate newer TI delta-sigma ADCs (ADS127x, ADS131A04) for new platforms. When repairing existing equipment, verify the G4 finish variant against your BOM to ensure procurement of the correct revision. Cross-reference with the TI product page before committing to a long-lead order.
Informações de conformidade
RoHS status not explicitly confirmed in the verified web data - G4 finish suffix historically indicates the original lead finish. Confirm with the TI product page for the specific variant. AEC-Q100 not applicable for this data-converter product line.
