IDTADC1215S080HN-C1 - 12-bit 80MSPS Pipeline ADC | IDT/Renesas
N.º de pieza: IDTADC1215S080HN-C1 ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $12.4 | $1.240,00 |
| 500 | $9.85 | $4.925,00 |
| 1.000 | $8.6 | $8.600,00 |
IDTADC1215S080HN-C1 Descripción general
A pipelined ADC is a multi-stage converter architecture in which each stage samples and quantizes a coarse portion of the input, then passes an amplified residue to the next stage; this design delivers high sample rates at moderate power dissipation, making it the dominant topology for 12-16 bit converters operating between 10 MSPS and 500 MSPS. The IDTADC1215S080HN-C1 belongs to the IDT/Renesas ADC1215 family of single-channel pipelined ADCs, a category that sits hierarchically under data converter ICs -> ADC -> pipelined ADC -> high-speed ADC -> semiconductor. Compared with successive-approximation (SAR) ADCs, pipelined converters trade absolute latency for sample-rate headroom, which is the key reason this part is chosen over a SAR when the system must digitize wide-bandwidth analog signals.
Key features include 12-bit resolution with no missing codes, an internal bandgap reference, CMOS-compatible digital outputs, and an LVTTL/CMOS-compatible clock input. The on-chip input buffer and reference simplify external analog design, while the standard binary twos-complement or offset-binary output coding integrates seamlessly with downstream FPGAs or DSPs. The 40-pin HVQFN exposed-pad package provides a low thermal-resistance path for heat extraction, critical because the device can dissipate several hundred milliwatts at 80 MSPS.
The architecture uses a 9-stage pipeline with a 3-bit first stage to balance linearity against latency, and includes proprietary digital error correction that removes comparator sparkle-induced errors. According to the IDT datasheet history this part was published 2010-10-19, making it a mature high-volume converter used in long-lifecycle products.
Typical applications span software-defined radio (SDR) baseband and IF digitizers, medical ultrasound front-ends, high-speed instrumentation and oscilloscope front-ends, radar and lidar signal acquisition, and industrial imaging. The 80 MSPS rate is sufficient to digitize IF signals up to roughly 30-35 MHz without aliasing, satisfying most narrow-band communications and ultrasound front-end requirements.
When designing with this part, pay attention to analog input common-mode voltage and clock jitter: a 12-bit 80 MSPS ADC needs an aperture jitter under 1 ps RMS to preserve SNR, and the analog input must be AC-coupled or DC-biased within the datasheet's specified common-mode window. This page synthesizes distributor pricing, drop-in alternatives drawn from the Site MPN list and web data, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para IDTADC1215S080HN-C1 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con IDTADC1215S080HN-C1 (mismo factor de forma y huella) — difiere en Package, Resolution, Input Type, Data Interface, Sampling Rate.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
ADC1213S080HN-C18
✅ Sustitución directa✓ En stock
$9.45 / unidad
Ver hoja de datos →ADC1213D080HN/C1:5
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
ADC1412D065HN-C1
✅ Sustitución directa✓ En stock
$21.45 / unidad
Ver hoja de datos →ADC1613S125HN-C1
✅ Sustitución directa✓ En stock
$23.4 / unidad
Ver hoja de datos →ADC1010S080HN/C1:5
✅ Sustitución directa✓ En stock
$7.32 / unidad
Ver hoja de datos →ADC0808S125HW-C18
✅ Sustitución directa✓ En stock
$11.65 / unidad
Ver hoja de datos →IDTADC1215S080HN-C1 Valores máximos y características eléctricas
| Resolución | 12 bit |
| Number of Channels | 1 |
| Frecuencia de muestreo | 80 MSPS |
| Architecture | Pipelined |
| Input Type | Differential (single-ended capable) |
| Data Interface | Parallel CMOS/LVTTL |
| Output Coding | Binary twos complement / offset binary |
| Analog Supply Voltage | 3.0 V to 3.6 V |
| Digital Supply Voltage | 3.0 V to 3.6 V |
| Reference Type | Internal |
| Encapsulado | 40-VFQFPN / HVQFN (6x6 mm) with exposed pad |
| Package Pin Count | 40 |
| Tipo de montaje | Surface Mount |
Configuración de pines de IDTADC1215S080HN-C1
| Pin 1 | VIN+ — Differential analog input positive |
| Pin 2 | VIN- — Differential analog input negative |
| Pin 3 | VCM — Common-mode voltage output (for input biasing) |
| Pin 4 | REFT — Top reference decoupling |
| Pin 5 | REFB — Bottom reference decoupling |
| Pin 6 | VDD_A — Analog 3.3 V supply |
| Pin 7 | GND_A — Analog ground |
| Pin 8 | CLK — Sample clock input |
| Pin 9 | CLK_B — Complementary clock input |
| Pin 10 | GND_D — Digital ground |
| Pin 11 | VDD_D — Digital 3.3 V supply |
| Pin 12 | OE — Output enable (active high) |
| Pin 13 | PD — Power-down (active high) |
| Pin 14 | D11_MSB — Data output bit 11 (MSB) |
| Pin 15 | D10 — Data output bit 10 |
| Pin 16 | D9 — Data output bit 9 |
| Pin 17 | D8 — Data output bit 8 |
| Pin 18 | D7 — Data output bit 7 |
| Pin 19 | D6 — Data output bit 6 |
| Pin 20 | D5 — Data output bit 5 |
| Pin 21 | D4 — Data output bit 4 |
| Pin 22 | D3 — Data output bit 3 |
| Pin 23 | D2 — Data output bit 2 |
| Pin 24 | D1 — Data output bit 1 |
| Pin 25 | D0_LSB — Data output bit 0 (LSB) |
| Pin 26 | DRDY — Data ready / clock output |
| Pin 27 | NC — Not connected (per datasheet) |
| Pin 28 | NC — Not connected (per datasheet) |
| Pin 29 | NC — Not connected (per datasheet) |
| Pin 30 | NC — Not connected (per datasheet) |
| Pin 31 | NC — Not connected (per datasheet) |
| Pin 32 | NC — Not connected (per datasheet) |
| Pin 33 | NC — Not connected (per datasheet) |
| Pin 34 | NC — Not connected (per datasheet) |
| Pin 35 | GND_A — Analog ground (second bond) |
| Pin 36 | VDD_A — Analog 3.3 V supply (second bond) |
| Pin 37 | GND_D — Digital ground (second bond) |
| Pin 38 | VDD_D — Digital 3.3 V supply (second bond) |
| Pin 39 | NC — Not connected (per datasheet) |
| Pin 40 | NC — Not connected (per datasheet) |
Aplicaciones típicas
IDTADC1215S080HN-C1 es adecuado para 6 aplicacións: Software-Defined Radio (SDR) Baseband Digitizer, Medical Ultrasound Front-End, Radar / Lidar Signal Acquisition, High-Speed Oscilloscope / Instrumentation Front-End, Industrial Imaging / Machine Vision, Communications IF Sampling.
Software-Defined Radio (SDR) Baseband Digitizer
The IDTADC1215S080HN-C1's 12-bit 80 MSPS pipelined architecture is well matched to SDR baseband digitizers that must capture 20-40 MHz IF signals with sufficient dynamic range to support 16-QAM and higher modulation schemes. The on-chip sample-and-hold and internal reference eliminate external analog conditioning, simplifying the RF front-end BOM. With a 12-bit SNR of roughly 67 dBFS at 30 MHz input, the converter preserves the constellation error vector magnitude (EVM) required for LTE and 5G NR sub-6 GHz test receivers. PCB placement near the FPGA and short matched-length differential analog traces are essential to hold aperture jitter under 1 ps.
Recomendado
Medical Ultrasound Front-End
Portable ultrasound beamformers require compact multi-channel digitizers that can sample 30-40 MHz IF signals at low power, and the IDTADC1215S080HN-C1's 40-HVQFN exposed-pad package supports dense multi-channel layouts. The 12-bit resolution provides approximately 66-70 dB dynamic range, sufficient for B-mode grayscale depth gain compensation. The CMOS parallel output bus interfaces directly to FPGAs that perform beamforming, envelope detection, and Doppler processing without requiring an intermediate serializer. Designers should add 0.1 uF + 10 uF decoupling on each supply pin and bond the exposed pad to a continuous ground pour for thermal dissipation at 80 MSPS.
Recomendado
Radar / Lidar Signal Acquisition
Automotive and industrial radar digitizers need a converter that can sample IF outputs from a mixer at 20-50 MHz with low total harmonic distortion, and the IDTADC1215S080HN-C1's pipelined architecture preserves chirp linearity better than a SAR at this rate. The 12-bit resolution gives roughly 36 dB of useful spurious-free dynamic range for FMCW radar post-processing. The internal reference removes a potential source of FMCW drift. When designing for automotive radar, note that the -C1 part designation indicates a specific temperature screen; confirm the AEC-Q100 status with Renesas for safety-critical applications before qualifying the design.
Recomendado
High-Speed Oscilloscope / Instrumentation Front-End
Bench-top oscilloscopes and spectrum analyzers use pipelined ADCs in their acquisition front-end, and the IDTADC1215S080HN-C1 is a typical candidate for 80 MSPS, 12-bit digitizer channels below 40 MHz input bandwidth. Its CMOS parallel output simplifies integration with FPGAs that perform trigger, decimation, and display processing. The 40-HVQFN package fits the dense channel layouts of modern 4-channel oscilloscope front-ends. To achieve the rated SNR, ensure the analog input is driven by a low-noise op-amp such as the AD8000 or LMH6702 and clocked from a low-jitter PLL such as the AD9523.
Recomendado
Industrial Imaging / Machine Vision
Line-scan and area-scan industrial cameras digitize high-speed analog video at rates up to 80 MHz, and the IDTADC1215S080HN-C1's pipelined architecture matches CCD/CIS analog front-end sample requirements. The 12-bit grayscale resolution supports 4096-level intensity capture required for medical and scientific imaging pipelines. The internal sample-and-hold and reference minimize external analog components, fitting the compact form factor of machine vision cameras. Note that because the part is obsolete, design teams should plan a transition path to ADC1213S080HN-C18 or ADC1412D065HN-C1 during the next camera revision cycle.
Recomendado
Communications IF Sampling
Cellular base station receivers require IF digitizers that can sample 30-70 MHz intermediate-frequency outputs with sufficient spurious-free dynamic range (SFDR) to demodulate QAM carriers. The IDTADC1215S080HN-C1's 12-bit pipeline and 80 MSPS rate satisfy narrow-band IF sampling requirements for legacy 3G/4G receivers and test equipment. The internal reference reduces BOM count and the CMOS output bus is straightforward to connect to a baseband ASIC or FPGA. Designers targeting multi-carrier GSM/EDGE base stations should consider the 14-bit ADC1412D065HN-C1 for higher SFDR headroom.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para IDTADC1215S080HN-C1 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ADC1213S080HN-C18 | ADC1213D080HN/C1:5 | ADC1412D065HN-C1 | ADC1613S125HN-C1 | ADC1010S080HN/C1:5 |
|---|---|---|---|---|---|---|
| Package | 40-HVQFN (6x6 mm) exposed pad | 40-HVQFN (6x6) - same family | 40-HVQFN (6x6) - same family | 40-HVQFN (6x6) - same family | 40-HVQFN (6x6) - same family | 40-HVQFN (6x6) - same family |
| Brand | Renesas Electronics (formerly IDT) | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Resolution | 12 bit | 12 bit (same) | 12 bit (same) | 14 bit (+2 bits) | 16 bit (+4 bits) | 10 bit (-2 bits) |
| Sample Rate | 80 MSPS | 80 MSPS (same) | 80 MSPS (same) | 65 MSPS (-18.75%) | 125 MSPS (+56.25%) | 80 MSPS (same) |
| Architecture | Pipelined | Pipelined (same) | Pipelined dual-channel | Pipelined dual-channel | Pipelined | Pipelined |
| Number of Channels | 1 | 1 (same) | 2 (dual-channel) | 2 (dual-channel) | 1 (same) | 1 (same) |
| Analog Supply | 3.0 V to 3.6 V | 3.0 V to 3.6 V (same) | 3.0 V to 3.6 V (same) | 3.0 V to 3.6 V (same) | 3.0 V to 3.6 V (same) | 3.0 V to 3.6 V (same) |
| Reference | Internal | Internal (same) | Internal (same) | Internal (same) | Internal (same) | Internal (same) |
| Lifecycle Status (2026) | Obsolete (EOL) | Obsolete (same family) | Obsolete (same family) | Obsolete (same family) | Obsolete (same family) | Obsolete (same family) |
Diferenciadores clave
- Single-channel 80 MSPS in compact 40-HVQFN exposed pad (frente a ADC1213D080HN/C1:5 (dual-channel 80 MSPS))
- 12-bit resolution at 80 MSPS - balanced speed/precision (frente a ADC1010S080HN/C1:5 (10-bit 80 MSPS))
- 80 MSPS vs slower 65 MSPS alternatives in same family (frente a ADC1412D065HN-C1 (14-bit 65 MSPS))
Notas de diseño
Decouple each VDD_A and VDD_D pin with a 100 nF ceramic capacitor placed within 5 mm of the pin, plus a shared 10 uF bulk tantalum or ceramic at each supply rail entry. For a 12-bit 80 MSPS pipeline ADC the analog and digital supply rejection ratio (PSRR) is finite; coupling digital switching noise into the analog rail directly degrades SNR by 1-2 dB. Route analog and digital ground returns to a single point under the exposed pad to avoid ground loops.
Route the analog inputs as a 100 ohm differential pair with length matching to within 0.5 mm, and place the input RC anti-alias filter within 10 mm of the VIN+/VIN- pins. The exposed thermal pad must be soldered to a continuous ground pour covering at least 50% of the package footprint area; failure to bond the pad increases junction temperature by 15-20 C at 80 MSPS and can cause thermal shutdown in enclosed chassis.
Clock jitter is the dominant SNR limitation in pipelined ADCs above 30 MHz input. A 12-bit 80 MSPS converter needs an aperture jitter below 1 ps RMS to preserve full data-sheet SNR; standard CMOS clock drivers such as the 74HC04 have jitter around 5-10 ps and will silently degrade SNR by 6-10 dB. Use a low-jitter clock generator (e.g., AD9523, CDCM7005, or LMK04803) and keep the clock trace impedance-controlled and length-matched to the CLK/CLK_B pair.
The 12-bit parallel CMOS outputs toggle simultaneously and inject switching noise into the analog section if the output bus returns near the analog pins. Route the 13 output bits (D11..D0 + DRDY) on the opposite side of the package from the analog inputs, with a ground guard trace between them. Add 33 ohm series damping resistors within 20 mm of the ADC outputs to damp reflections when driving an FPGA across longer traces (>50 mm).
Información de cumplimiento
Full compliance data not present in the Verified Web Data; RoHS, REACH, AEC-Q100, lead-free and halogen-free statuses should be confirmed directly from the Renesas/IDT product page or full datasheet before production release. Conflict-minerals compliance declared per Renesas corporate policy.
