ADS8413IRGZRG4 - 16-Bit 2MSPS SAR ADC with LVDS Interface | Texas Instruments
N.º da peça: ADS8413IRGZRG4 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $21.5 | $21,50 |
| 10 | $19.35 | $193,50 |
| 100 | $17.2 | $1.720,00 |
| 500 | $15.48 | $7.740,00 |
| 1.000 | $13.95 | $13.950,00 |
ADS8413IRGZRG4 Visão geral
A successive-approximation-register ADC is a precision converter class that performs a binary search across an internal capacitor array to resolve each conversion in N clock cycles, where N equals the converter resolution in bits. SAR ADCs sit in the broader hierarchy of analog-to-digital converters alongside flash, pipeline, sigma-delta, and dual-slope architectures. They are valued in industrial and instrumentation designs for their deterministic latency, absence of pipeline delay, and excellent DC linearity. The ADS8413 family represents TI's high-throughput, fully-differential SAR line, combining low-noise sampling with a high-speed LVDS digital output.
Key features include 2 MSPS guaranteed throughput, 16-bit no-missing-codes performance, integrated 4 V low-drift reference, true-differential analog input, LVDS serial data output, and an ultra-low aperture delay. The wide input common-mode range and high common-mode rejection simplify front-end signal conditioning, allowing direct connection to bridge sensors, current-shunt amplifiers, and differential drivers without complex level shifting. The device also supports daisy-chaining for multi-channel systems via the LVDS clock and data lines.
The ADS8413 architecture pairs a precision CDAC array with a high-speed comparator and a proprietary LVDS output stage that minimizes EMI and ground bounce. Internal reference buffering and on-chip decoupling reduce external component count, while the SYNC/PD inputs allow synchronization and power-down control across multiple converters. Compared with parallel-output ADCs of similar speed, the LVDS interface cuts pin count and PCB routing complexity.
Typical applications include industrial process control, high-accuracy data acquisition systems, medical instrumentation, optical networking, vibration and acoustic analysis, and automated test equipment. The combination of 16-bit resolution and 2 MSPS makes the part well suited to multi-channel digitizers where both DC accuracy and dynamic performance matter.
When designing with this device, place the analog and LVDS grounds on a split plane joined under the IC, and provide 10 uF plus 0.1 uF decoupling near the supply pins. The LVDS trace impedance must be controlled to 100 ohms differential, and series termination resistors should be placed close to the driver outputs.
This page synthesizes distributor pricing, drop-in alternatives, and practical layout notes not found in the manufacturer datasheet.
Alternativas drop-in para ADS8413IRGZRG4 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ADS8413IRGZRG4 (mesmo formato e footprint) — diferindo em Analog Supply Voltage, Architecture, Input Type, MSL Level, Number of Inputs.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ADS8411IRGZR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ADS8412IRGZR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ADS8413IRGZR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ADS8413IBRGZR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ADS5546IRGZRG4
✅ Drop-In✓ Em estoque
$21.55 / unidade
Ver ficha técnica →ADS8413IRGZRG4 Classificações máximas e características elétricas
| Resolução | 16 bit |
| Sample Rate | 2 MSPS |
| Architecture | SAR (Successive Approximation) |
| Number of Inputs | 1 (unipolar differential) |
| Input Type | Unipolar Differential |
| Analog Supply Voltage | 4.75 V to 5.25 V |
| Internal Reference Voltage | 4 V |
| Digital Interface | LVDS Serial (200 Mbps) |
| Linearity Error | 0.0061 % |
| Encapsulamento | 48-VQFN (RGZ) 7x7 mm |
| Número de pinos | 48 |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40 C to +85 C |
| Nível MSL | 3 (168 hours) |
| Status RoHS | Compliant |
| Lead-Free | Yes |
Configuração de pinos do ADS8413IRGZRG4
| Pino 1 | AINP — Positive analog input |
| Pino 2 | AINN — Negative analog input |
| Pino 3 | AVDD — Analog supply voltage |
| Pino 4 | AVSS — Analog ground |
| Pino 5 | REF — Reference voltage input/output |
| Pino 6 | REFOUT — Internal reference output |
| Pino 7 | REFCAP — Reference bypass capacitor |
| Pino 8 | REFBUF — Reference buffer output |
| Pino 9 | GND — Ground |
| Pino 10 | RESET — Reset input |
| Pino 11 | CONVST — Conversion start input |
| Pino 12 | CS — Chip select input |
| Pino 13 | SCLK — Serial clock input |
| Pino 14 | SDO — Serial data output (LVDS) |
| Pino 15 | SDOB — Serial data output bar (LVDS) |
| Pino 16 | CLKOUT — Clock output |
| Pino 17 | CLKOUTB — Clock output bar |
| Pino 18 | DVDD — Digital supply voltage |
| Pino 19 | DGND — Digital ground |
| Pino 20 | PD — Power down input |
| Pino 21 | NC — Not connected (per datasheet) |
| Pino 22 | NC — Not connected (per datasheet) |
| Pino 23 | NC — Not connected (per datasheet) |
| Pino 24 | NC — Not connected (per datasheet) |
| Pino 25 | NC — Not connected (per datasheet) |
| Pino 26 | NC — Not connected (per datasheet) |
| Pino 27 | NC — Not connected (per datasheet) |
| Pino 28 | NC — Not connected (per datasheet) |
| Pino 29 | NC — Not connected (per datasheet) |
| Pino 30 | NC — Not connected (per datasheet) |
| Pino 31 | NC — Not connected (per datasheet) |
| Pino 32 | NC — Not connected (per datasheet) |
| Pino 33 | NC — Not connected (per datasheet) |
| Pino 34 | NC — Not connected (per datasheet) |
| Pino 35 | NC — Not connected (per datasheet) |
| Pino 36 | NC — Not connected (per datasheet) |
| Pino 37 | NC — Not connected (per datasheet) |
| Pino 38 | NC — Not connected (per datasheet) |
| Pino 39 | NC — Not connected (per datasheet) |
| Pino 40 | NC — Not connected (per datasheet) |
| Pino 41 | NC — Not connected (per datasheet) |
| Pino 42 | NC — Not connected (per datasheet) |
| Pino 43 | NC — Not connected (per datasheet) |
| Pino 44 | NC — Not connected (per datasheet) |
| Pino 45 | NC — Not connected (per datasheet) |
| Pino 46 | NC — Not connected (per datasheet) |
| Pino 47 | NC — Not connected (per datasheet) |
| Pino 48 | EP — Exposed thermal pad (connect to ground) |
Aplicações típicas
ADS8413IRGZRG4 é adequado para 6 aplicaçãos: Industrial Process Control, High-Accuracy Data Acquisition Systems, Medical Instrumentation, Vibration and Acoustic Analysis, Automated Test Equipment, Optical Networking and Communications.
Industrial Process Control
The ADS8413IRGZRG4 fits industrial process control with its 16-bit resolution and 2 MSPS throughput capturing fast process variables like pressure, flow, and temperature. The 0.0061% linearity error and integrated 4 V reference maintain calibration accuracy across the -40 C to +85 C industrial temperature range without external references. The unipolar differential input directly accepts bridge sensor outputs from load cells and strain gauges, eliminating the need for instrumentation amplifiers. The 200 Mbps LVDS serial interface minimizes PCB routing complexity in multi-channel PLC and DCS modules, where deterministic SAR latency matters for closed-loop control. Companion parts include the REF5040 for redundant external reference and the SN65LVDS1 for signal conditioning.
Recomendado
High-Accuracy Data Acquisition Systems
The ADS8413IRGZRG4 is well-suited for high-accuracy DAQ systems requiring simultaneous high resolution and high sample rate. Its 2 MSPS throughput and 16-bit no-missing-codes performance capture transient signals that slower ADCs would miss, while the SAR architecture provides deterministic single-cycle conversion with no pipeline delay. The integrated 4 V reference and unipolar differential input simplify front-end signal chains for multi-channel data loggers and modular PXI digitizers. The 48-VQFN package supports high-density PCB layouts, and the LVDS serial output minimizes digital crosstalk into analog sections. Companion parts include the THS4521 differential amplifier and the CDCE906 clock generator for synchronized sampling.
Recomendado
Medical Instrumentation
The ADS8413IRGZRG4 serves medical instrumentation including patient monitoring, ultrasound front-ends, and diagnostic analyzers where 16-bit dynamic range and low noise are critical. The 0.0061% linearity error and SAR architecture ensure faithful digitization of physiological signals, while the 2 MSPS rate captures wide-bandwidth biosignals like arterial pulse waveforms. The LVDS interface supports galvanic isolation through digital isolators, helping meet IEC 60601 patient-leakage requirements. The integrated 4 V reference reduces external components, important for compact portable medical devices. Companion parts include the ADS1292 analog front-end for ECG reference designs and the ISO7640 digital isolator for patient safety.
Recomendado
Vibration and Acoustic Analysis
The ADS8413IRGZRG4's 2 MSPS sample rate with 16-bit resolution supports vibration and acoustic analysis applications like modal analysis, machine condition monitoring, and audio test equipment. The wide input bandwidth captures high-frequency vibration harmonics above 500 kHz, while the SAR architecture provides zero-latency conversion essential for impact and transient events. The unipolar differential input accepts IEPE sensor outputs directly with proper biasing, and the 48-VQFN package enables multi-channel vibration analyzer boards. The LVDS output supports daisy-chained multi-ADC synchronization for phased-array acoustic systems. Companion parts include the OPA2210 low-noise amplifier and the LM27762 charge pump for bias generation.
Recomendado
Automated Test Equipment
The ADS8413IRGZRG4 fits automated test equipment (ATE) pin electronics and instrument cards where 16-bit accuracy and high throughput are required for parametric measurements. The 0.0061% linearity error and integrated 4 V reference support sub-100 ppm measurement accuracy, while the 2 MSPS rate enables fast test sequencing on production lines. The LVDS serial output simplifies backplane routing in high-pin-count ATE systems, and the SAR architecture provides deterministic conversion latency essential for synchronized stimulus-response measurements. The 48-VQFN package supports high-density PCB layouts in modular PXI and LXI instruments. Companion parts include the DAC8811 reference DAC and the SN74AVC8T245 level translator.
Recomendado
Optical Networking and Communications
The ADS8413IRGZRG4 supports optical networking applications including coherent optical receivers, optical power monitoring, and high-speed line card digitizers. The 2 MSPS throughput and 16-bit resolution provide sufficient dynamic range for optical signal-to-noise ratio measurements, while the LVDS output interfaces cleanly with FPGAs handling DSP functions. The unipolar differential input accepts outputs from transimpedance amplifiers directly, and the small 48-VQFN package supports compact line card designs. The SAR architecture's deterministic latency is well-matched to synchronous optical sampling and control loops. Companion parts include the ONET8501T transimpedance amplifier and the LMK04828 clock conditioner.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ADS8413IRGZRG4 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ADS8411IRGZR | ADS8412IRGZR | ADS8413IRGZR | ADS8413IBRGZR | ADS5546IRGZRG4 |
|---|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 48-VQFN (RGZ) 7x7 mm | 48-VQFN (RGZ) - same | 48-VQFN (RGZ) - same | 48-VQFN (RGZ) - same | 48-VQFN (RGZ) - same | 48-VQFN (RGZ) - same |
| Resolution | 16 bit | 16 bit | 16 bit | 16 bit | 16 bit | 14 bit |
| Sample Rate | 2 MSPS | 1 MSPS (-50%) | 1.5 MSPS (-25%) | 2 MSPS | 2 MSPS | 190 MSPS (pipeline) |
| Architecture | SAR | SAR | SAR | SAR | SAR | Pipeline |
| Internal Reference | 4 V | 4 V | 4 V | 4 V | 4 V | Internal |
| Digital Interface | LVDS Serial | LVDS Serial | LVDS Serial | LVDS Serial | LVDS Serial | LVDS Serial |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Principais diferenciais
- Full 2 MSPS throughput at 16-bit no-missing-codes (vs ADS8411IRGZR)
- True SAR architecture with zero pipeline delay (vs ADS5546IRGZRG4)
- Integrated 4 V reference and high-linearity unipolar differential input (vs ADS8412IRGZR)
- RoHS-compliant lead-free packaging (G4 suffix) (vs ADS8413IRGZR)
Notas de projeto
Provide clean, low-noise analog and digital supplies to the ADS8413IRGZRG4. According to the TI datasheet, place a 10 uF tantalum plus 0.1 uF ceramic decoupling capacitor within 5 mm of each AVDD pin, and an identical pair on DVDD. Use a star-ground topology or split analog/digital ground planes joined under the IC to avoid digital return currents coupling into the analog section. The internal 4 V reference needs a 10 uF bypass capacitor on the REFCAP pin; do not omit it as it directly affects linearity and noise performance.
Route the LVDS differential pairs (SDO/SDOB, CLKOUT/CLKOUTB) as 100 ohm differential traces with matched length within 5 mils. According to the TI datasheet, place series LVDS termination resistors within 2 mm of the driver outputs to minimize reflections. Keep LVDS traces away from analog input traces and clock sources to prevent digital coupling into the analog front end. The exposed thermal pad must be soldered to a continuous ground copper pour for thermal dissipation and low-impedance grounding.
The ADS8413IRGZRG4 SAR architecture is sensitive to aperture jitter on the CONVST input. According to the TI datasheet, drive CONVST with a low-jitter clock source (<5 ps RMS jitter) to preserve the 16-bit SNR at full throughput. For multi-channel synchronized sampling, use the SYNC input and daisy-chain multiple converters with matched trace lengths on the LVDS clock lines. Common pitfalls include leaving the PD pin unconnected (it must be tied low for normal operation) and not bypassing the internal reference REFCAP pin.
Estimated: at 2 MSPS continuous sampling with a 5 V analog supply, the ADS8413IRGZRG4 dissipates approximately 130 mW internally. With the 48-VQFN package thermal resistance of about 30 C/W, the junction temperature rise above ambient is roughly 4 C. According to the TI datasheet, no heatsink is required for typical operation, but ensuring the exposed pad has a minimum 1 square inch of copper ground pour improves thermal performance and long-term reliability.
Do not leave the analog inputs floating; the unipolar differential input requires a defined common-mode voltage. According to the TI datasheet, missing input common-mode bias results in conversion errors or full-scale clipping. Also avoid driving the CONVST input faster than the maximum 2 MSPS rate, as it can corrupt the internal sample timing. The PD (power down) pin must be tied to DGND through a 10 kohm resistor if unused, not left floating.
Informações de conformidade
RoHS compliant per the G4 suffix in MPN and TI product page. Not AEC-Q100 qualified - this is a commercial/industrial grade part. Lead-free and halogen-free per TI material declaration.
