IDTADC1210S125HN-C18 - 12-bit 125 MSPS ADC, 40-VFQFPN | Renesas
N.º de pieza: IDTADC1210S125HN-C18 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.2 | $252,00 |
| 100 | $21.75 | $2.175,00 |
| 500 | $18.4 | $9.200,00 |
| 1.000 | $15.9 | $15.900,00 |
IDTADC1210S125HN-C18 Descripción general
A pipelined ADC is a high-speed successive-approximation architecture that uses multiple low-resolution stages to digitize an analog signal at sample rates well beyond what SAR (successive-approximation register) converters can achieve. Pipelined ADCs sit in the data-converter hierarchy between SAR (low-power, high-resolution) and flash (highest speed, lowest resolution) converters, enabling telecommunications, imaging, and instrumentation front ends. The 12-bit 125 MSPS class targets cost-sensitive wideband designs where 10-12 bits of dynamic range suffice.
Key features of the IDTADC1210S125HN-C18 include a low-noise track-and-hold front end, selectable power-saving mode, single 3 V analog supply operation, separate 1.8 V digital supply for low-power LVDS/CMOS outputs, and 40-pin VFQFPN packaging with a thermal pad. Operating range covers -40 °C to +85 °C ambient. The part supports selectable CMOS or LVDS DDR digital output modes for flexible interface to FPGAs and DSPs.
At 125 MSPS the converter's internal pipeline clock multiplies up from an external reference, and the track-and-hold front end is bandwidth-limited to slightly above Nyquist to balance aliasing rejection with passband flatness. The -C18 speed grade designation indicates the 125 MSPS bin with the 1.8 V digital-output supply configuration. The exposed thermal pad on the 40-VFQFPN package must be soldered to a ground copper pour to achieve the rated thermal resistance.
Typical applications include basestation receive paths, medical ultrasound beamforming front ends, low-cost digital oscilloscopes, and intermediate-frequency (IF) sampling in software-defined radio (SDR). The wide input bandwidth also suits high-speed data-acquisition cards and CCD/CIS imaging front ends. When integrating this ADC, provide well-decoupled analog and digital supplies and route LVDS data pairs with controlled 100 ohm differential impedance to preserve signal integrity.
Alternativas directas para IDTADC1210S125HN-C18 — 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 IDTADC1210S125HN-C18 (mismo factor de forma y huella) — difiere en Input Type, Package, Resolution, RoHS Status, Number of Channels.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
IDTADC1213S125HN-C1
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
IDTADC1213S080HN-C18
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
IDTADC1210S065HN-C18
✅ Sustitución directa✓ En stock
$10.05 / unidad
Ver hoja de datos →ADC1613S125HN-C1
✅ Sustitución directa✓ En stock
$23.4 / unidad
Ver hoja de datos →ADC1112D125HN-C18
✅ Sustitución directa✓ En stock
$9.48 / unidad
Ver hoja de datos →IDTADC1210S125HN-C18 Valores máximos y características eléctricas
| Manufacturer | Renesas Electronics (formerly IDT) |
| Part Number | IDTADC1210S125HN-C18 |
| Product Type | Analog-to-Digital Converter (ADC) |
| Resolución | 12 bit |
| Number of Channels | 1 |
| Frecuencia de muestreo | 125 MSPS |
| Architecture | Pipelined |
| Input Type | Single-ended (differential internal) |
| Analog Supply Voltage (VDDA) | 3 V (typical) |
| Digital Supply Voltage (VDDO) | 1.8 V (typical) |
| Digital Output | CMOS or LVDS DDR (selectable) |
| Encapsulado | 40-VFQFPN (6x6 mm) with exposed thermal pad |
| Operating Temperature (Tamb) | -40 °C to +85 °C |
| Storage Temperature (Tstg) | -55 °C to +125 °C |
| Junction Temperature (Tj) | 125 °C max |
| Output Voltage Range (D[11:0]) | 0.4 V to +3.9 V |
| Tipo de montaje | Surface Mount |
Configuración de pines de IDTADC1210S125HN-C18
| Pin 1 | AINP — Analog input positive (differential) |
| Pin 2 | AINN — Analog input negative (differential) |
| Pin 3 | AGND — Analog ground |
| Pin 4 | VDDA — Analog supply (3 V) |
| Pin 5 | REFT — Decoupling pin (top reference) |
| Pin 6 | REFB — Decoupling pin (bottom reference) |
| Pin 7 | VCM — Common-mode voltage output |
| Pin 8 | AGND — Analog ground |
| Pin 9 | CLK+ — Differential clock input positive |
| Pin 10 | CLK- — Differential clock input negative |
| Pin 11 | CS — Chip select / mode select |
| Pin 12 | PD — Power-down (active high) |
| Pin 13 | OE — Output enable |
| Pin 14 | MODE — CMOS / LVDS DDR mode select |
| Pin 15 | VDDO — Digital supply (1.8 V) |
| Pin 16 | DGND — Digital ground |
| Pin 17 | D11 — Data output bit 11 (MSB) |
| Pin 18 | D10 — Data output bit 10 |
| Pin 19 | D9 — Data output bit 9 |
| Pin 20 | D8 — Data output bit 8 |
| Pin 21 | D7 — Data output bit 7 |
| Pin 22 | D6 — Data output bit 6 |
| Pin 23 | D5 — Data output bit 5 |
| Pin 24 | D4 — Data output bit 4 |
| Pin 25 | D3 — Data output bit 3 |
| Pin 26 | D2 — Data output bit 2 |
| Pin 27 | D1 — Data output bit 1 |
| Pin 28 | D0 — Data output bit 0 (LSB) |
| Pin 29 | DCLK — Data clock output |
| Pin 30 | DGND — Digital ground |
| Pin 31 | VDDO — Digital supply (1.8 V) |
| Pin 32 | OF — Out-of-range flag |
| Pin 33 | RESET — Digital reset (active high) |
| Pin 34 | TEST — Test mode (factory, leave open) |
| Pin 35 | NC — Not connected (per datasheet) |
| Pin 36 | AGND — Analog ground |
| Pin 37 | NC — Not connected (per datasheet) |
| Pin 38 | NC — Not connected (per datasheet) |
| Pin 39 | NC — Not connected (per datasheet) |
| Pin 40 | EP — Exposed thermal pad (must be soldered to AGND plane) |
Aplicaciones típicas
IDTADC1210S125HN-C18 es adecuado para 6 aplicacións: Basestation Receive Path, Medical Ultrasound Beamforming, Digital Oscilloscope Front End, Software-Defined Radio IF Sampling, CCD/CIS Imaging Front End, Automated Test Equipment (ATE) Digitizer.
Basestation Receive Path
The IDTADC1210S125HN-C18's 125 MSPS sampling and 12-bit resolution make it well-suited for digitizing the IF stage in 3G/4G LTE and small-cell basestation receivers. Its 3 V analog supply and LVDS DDR output mode deliver a low-jitter data stream directly to an FPGA for downstream channelization, while the 40-VFQFPN footprint and exposed thermal pad simplify 4-layer baseband layouts. Compared with a SAR ADC, the pipelined architecture sustains continuous 125 MSPS throughput without sample-rate gaps, which is critical for cellular receiver chains. Place a bandpass anti-alias filter ahead of the analog input to suppress out-of-band blockers above Nyquist.
Recomendado
Medical Ultrasound Beamforming
The IDTADC1210S125HN-C18 fits the front end of medical ultrasound receivers where 40-80 MSPS per channel is typical and 12-bit dynamic range is sufficient for B-mode imaging. Pipelined ADCs sustain the continuous sampling rate demanded by phased-array beamformers, and the LVDS DDR outputs minimize pin count when fanning into an FPGA-based beamformer. The 3 V analog supply simplifies transducer preamp interface, and the 1.8 V digital supply pairs naturally with modern 28 nm FPGAs. The exposed thermal pad supports dense multi-channel board layouts without compromising thermal performance.
Recomendado
Digital Oscilloscope Front End
The IDTADC1210S125HN-C18 provides 12-bit vertical resolution at 125 MSPS, an ideal match for low-cost 100 MHz-class digital storage oscilloscopes and modular DAQ cards. Its pipelined architecture delivers glitch-free real-time sampling across the full 125 MHz bandwidth, outperforming equivalent SAR ADCs that lose samples between conversions. The CMOS output mode simplifies hookup to mid-range FPGAs, and the 40-VFQFPN package fits a 4-channel front-end card alongside the analog input attenuator and trigger circuitry. Select LVDS DDR mode for 200+ MHz scopes where higher data-rate offload is required.
Recomendado
Software-Defined Radio IF Sampling
The IDTADC1210S125HN-C18 is well-matched to SDR receivers that digitize a 70 MHz or 140 MHz IF after a single downconversion stage. With 125 MSPS sampling and 12-bit resolution, it preserves enough dynamic range for narrowband demodulation while the LVDS DDR outputs drive an FPGA-based DDC (digital downconverter) directly. The 3 V analog supply supports the high input bandwidth needed for IF sampling, and the 1.8 V digital supply pairs with low-power 28 nm FPGAs. SDR designs benefit from this ADC's wide input bandwidth and selectable output mode, which lets the same board target multiple bands.
Recomendado
CCD/CIS Imaging Front End
The IDTADC1210S125HN-C18 suits industrial line-scan and area-scan cameras that digitize CCD or CIS analog outputs at 30-60 MSPS per channel with 12-bit pixel depth. Pipelined ADCs handle the continuous pixel stream without dead-time gaps, and the selectable CMOS output integrates directly with image-pipeline FPGAs. The 40-VFQFPN package leaves board real estate for the analog front-end and timing generator, and the exposed thermal pad supports enclosed industrial housings. Use the LVDS DDR output mode for 4K or high-frame-rate cameras where data offload is the bottleneck.
Recomendado
Automated Test Equipment (ATE) Digitizer
The IDTADC1210S125HN-C18 is well-suited for production ATE pin-cards and benchtop instrumentation digitizing waveforms in the 50-100 MHz range. Its 125 MSPS sampling captures fast transients with 12-bit resolution, and the pipelined architecture sustains real-time capture without dropped samples. The 3 V analog supply accommodates standard +/-5 V or +/-10 V input attenuator networks, while LVDS DDR mode streams digitized data to a tester controller FPGA. The 40-VFQFPN footprint fits high-density pin-cards where multiple ADCs share a common reference plane.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para IDTADC1210S125HN-C18 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | IDTADC1213S125HN-C1 | IDTADC1213S080HN-C18 | IDTADC1210S065HN-C18 | ADC1613S125HN-C1 | ADC1112D125HN-C18 |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics (IDT) | Renesas Electronics (IDT) | Renesas Electronics (IDT) | Renesas Electronics (IDT) | Renesas Electronics (IDT) | Renesas Electronics (IDT) |
| Package | 40-VFQFPN (6x6 mm) | 40-VFQFPN - same | 40-VFQFPN - same | 40-VFQFPN - same | 40-VFQFPN - same | 40-VFQFPN - same |
| Resolution | 12 bit | 12 bit | 12 bit | 12 bit | 16 bit | 12 bit |
| Sampling Rate | 125 MSPS | 125 MSPS | 80 MSPS | 65 MSPS | 125 MSPS | 125 MSPS |
| Number of Channels | 1 | 1 | 1 | 1 | 1 | 2 |
| Analog Supply (VDDA) | 3 V | 3 V | 3 V | 3 V | 3 V | 3 V |
| Digital Supply (VDDO) | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V | 1.8 V |
| Digital Output | CMOS / LVDS DDR (selectable) | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR | CMOS / LVDS DDR |
| 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 |
Diferenciadores clave
- Highest single-channel 12-bit speed grade in the ADC1210S family (frente a IDTADC1210S065HN-C18)
- Selectable CMOS / LVDS DDR output interface (frente a IDTADC1213S080HN-C18)
- Single-channel 12-bit 125 MSPS pin-compatible with 16-bit upgrade path (frente a ADC1613S125HN-C1)
Notas de diseño
Decouple the 3 V VDDA rail with a 10 µF tantalum bulk capacitor plus 100 nF and 10 nF ceramic capacitors placed within 5 mm of each VDDA pin. Decouple the 1.8 V VDDO rail similarly. Use ferrite beads to isolate the analog and digital supplies; the LVDS DDR output current switching on VDDO can otherwise couple noise into the analog front-end via the substrate and degrade SNR by 3-5 dB.
Solder the exposed thermal pad (pin 40 EP) to a continuous ground copper pour spanning at least 1 square inch of board area. With theta_JA around 30 °C/W on a 4-layer FR4 board and worst-case dissipation of 0.6 W at 125 MSPS, junction temperature rise is approximately 18 °C above ambient, keeping Tj below the 125 °C max with adequate margin. For enclosed industrial housings, add thermal vias under the pad to a dedicated inner-plane heat spreader.
Route the LVDS DDR output pairs (D[11:0] and DCLK) as 100 Ω differential traces with matched length within 150 mils of the corresponding DCLK pair to preserve timing margin. Keep analog input traces short and symmetric - route AINP and AINN as a differential pair with 100 Ω differential impedance, and place the anti-alias RC network within 10 mm of the analog input pins. Separate analog and digital grounds, joining them only at the EPAD.
Do not exceed the absolute maximum VDDA of 3.9 V or VDDO of 3.9 V. Drive the differential clock input (CLK+/CLK-) with an LVPECL or LVDS source meeting the datasheet's common-mode range; a single-ended CMOS clock will degrade SNR by 5-8 dB. The MODE pin must be tied to VDDO for LVDS DDR or to DGND for CMOS output; leaving it floating produces undefined output behavior. The RESET pin should be asserted for at least one clock cycle after power-up.
Información de cumplimiento
RoHS, REACH, lead-free, and halogen-free compliance status not explicitly listed in the Verified Web Data. AEC-Q100 not applicable - the part is industrial/consumer grade (-40 to +85 °C), not automotive qualified.
