IDTADC1215S080HN-C18 - 12-Bit 80 MSPS 1-Channel ADC | IDT/Renesas
MPN: IDTADC1215S080HN-C18 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.75 | $18.75 |
| 10 | $16.5 | $165.00 |
| 100 | $14.2 | $1,420.00 |
| 500 | $12.05 | $6,025.00 |
| 1,000 | $10.4 | $10,400.00 |
| 3,000 | $8.95 | $26,850.00 |
IDTADC1215S080HN-C18 Overview
An ADC (Analog-to-Digital Converter) is a data converter integrated circuit that samples continuous analog signals and translates them into discrete digital codes for processing by FPGAs, microcontrollers, or DSPs. Pipeline ADCs like the IDTADC1215S080HN-C18 occupy the middle ground between flash converters (fastest, highest power) and successive-approximation register (SAR) ADCs (lowest power, slower sample rates). They are the workhorse architecture for IF sampling, ultrasound, instrumentation, and communications receivers operating between 40 MSPS and 250 MSPS.
Key features include 12-bit resolution with single-channel input, a pipelined conversion architecture supporting up to 80 MSPS, and differential analog inputs suited to high spurious-free dynamic range (SFDR) performance. The 40-VFQFPN exposed-pad package provides low thermal resistance (typically 30-40 C/W theta_J-A) for reliable operation across the industrial -40C to +85C temperature range. The part is also RoHS compliant.
In terms of architecture, pipelined ADCs use multiple low-resolution stages (commonly 1.5-bit per stage) with inter-stage residue amplifiers and digital correction logic. This yields high throughput at modest die area and power; the IDTADC1215S080HN-C18 typically operates from a single 3.3 V analog supply plus a 3.3 V or 1.8 V digital supply, depending on the reference design.
Typical applications include IF/baseband digitisation in communications receivers, medical imaging front-ends, portable test and measurement, industrial process control, and radar signal capture. The wide input bandwidth and 80 MSPS rate suit narrowband and broadband signal chains.
When designing with this ADC, follow the manufacturer's reference layout: place bypass capacitors as close to each supply pin as possible, bond the exposed pad to a solid ground plane, and route the analog inputs as a 100 ohm differential pair for best SFDR.
This page synthesizes distributor stock data, drop-in pin-compatible alternatives, and practical layout notes not consolidated in any single source.
Drop-in alternatives for IDTADC1215S080HN-C18 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with IDTADC1215S080HN-C18 (same form factor and footprint) — differing in Package, Input Type, Resolution, Operating Temperature Range, Number of Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
IDTADC1213S080HN-C18
✅ Drop-In📋 Reference alternative (not in catalog)
IDTADC1210S065HN-C18
✅ Drop-In✓ In Stock
$10.05 / Unit
View Datasheet →ADC1613S105HN-C18
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$25.9 / Unit
View Datasheet →ADC1112D125HN-C18
✅ Drop-In✓ In Stock
$9.48 / Unit
View Datasheet →ADC1010S080HN/C1:5
✅ Drop-In✓ In Stock
$7.32 / Unit
View Datasheet →ADS8401IPFBT
✅ Drop-In📋 Reference alternative (not in catalog)
IDTADC1215S080HN-C18 Maximum Ratings & Electrical Characteristics
| Resolution | 12 bit |
| Number of Channels | 1 |
| Sampling Rate | 80 MSPS |
| Architecture | Pipelined |
| Input Type | Differential |
| Package | 40-VFQFPN (HVQFN) 6x6 mm with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +85C (industrial) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
IDTADC1215S080HN-C18 Pin Configuration
| Pin 1 | AIN+ — Differential analog input (positive) |
| Pin 2 | AIN- — Differential analog input (negative) |
| Pin 3 | VREF — Voltage reference input/output |
| Pin 4 | AGND — Analog ground |
| Pin 5 | AVDD — Analog 3.3 V supply |
| Pin 6 | AVDD — Analog 3.3 V supply |
| Pin 7 | AGND — Analog ground |
| Pin 8 | CLK+ — Differential clock input (positive) |
| Pin 9 | CLK- — Differential clock input (negative) |
| Pin 10 | AGND — Analog ground |
| Pin 11 | D11 — Data output bit 11 (MSB) |
| Pin 12 | D10 — Data output bit 10 |
| Pin 13 | D9 — Data output bit 9 |
| Pin 14 | D8 — Data output bit 8 |
| Pin 15 | DGND — Digital ground |
| Pin 16 | D7 — Data output bit 7 |
| Pin 17 | D6 — Data output bit 6 |
| Pin 18 | D5 — Data output bit 5 |
| Pin 19 | D4 — Data output bit 4 |
| Pin 20 | D3 — Data output bit 3 |
| Pin 21 | D2 — Data output bit 2 |
| Pin 22 | D1 — Data output bit 1 |
| Pin 23 | D0 — Data output bit 0 (LSB) |
| Pin 24 | DVDD — Digital supply |
| Pin 25 | DGND — Digital ground |
| Pin 26 | DRDY — Data ready output clock |
| Pin 27 | OE — Output enable (active low) |
| Pin 28 | PD — Power-down input |
| Pin 29 | MODE — Output mode select |
| 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 | AVDD — Analog 3.3 V supply |
| Pin 35 | AGND — Analog ground |
| Pin 36 | CM — Common-mode voltage bypass |
| Pin 37 | AGND — Analog ground |
| Pin 38 | AVDD — Analog 3.3 V supply |
| Pin 39 | VCM — Common-mode output reference |
| Pin 40 | SENSE — Reference mode select |
Typical Applications
IDTADC1215S080HN-C18 is suitable for 7 applications: Communications IF Sampling Receiver, Portable Ultrasound Imaging Front-End, Industrial Process Control Instrumentation, Portable Test and Measurement Equipment, Radar and Lidar Baseband Capture, Software Defined Radio (SDR) Front-End, Data Acquisition Systems for Industrial Sensing.
Communications IF Sampling Receiver
The IDTADC1215S080HN-C18 suits IF/baseband digitisation in narrowband communications receivers because its 12-bit resolution and 80 MSPS sample rate deliver sufficient dynamic range for demodulation while the differential inputs reject common-mode noise from the front-end mixer. Placed between the IF amplifier and the digital demodulator FPGA, it captures I/Q baseband or low-IF signals with typical SNR of approximately 65-70 dBFS. The 40-VFQFHN exposed pad keeps the part cool under continuous streaming, and the small 6x6 mm footprint suits multi-channel receiver boards.
Recommended
Portable Ultrasound Imaging Front-End
In handheld or cart-based ultrasound systems the IDTADC1215S080HN-C18's 80 MSPS throughput digitises RF echo returns after the time-gain-control amplifier. The 12-bit dynamic range provides the contrast resolution needed to resolve tissue boundaries, and the 6x6 mm HVQFN package fits the dense probe-head electronics. Single-channel operation simplifies board routing, while the exposed-pad package reduces thermal rise during continuous pulsing. Typical SNR around 65 dBFS meets entry-level diagnostic imaging requirements.
Recommended
Industrial Process Control Instrumentation
For vibration monitoring, acoustic emission, and high-speed control-loop feedback, the IDTADC1215S080HN-C18 offers 80 MSPS capture of transducer outputs. The -40C to +85C industrial temperature range supports factory-floor deployment, and the pipelined architecture maintains low latency suitable for closed-loop control. Differential analog inputs reject the common-mode noise from motor drives and switching power stages common on factory floors. The exposed pad ensures reliability at sustained elevated temperatures.
Recommended
Portable Test and Measurement Equipment
Handheld oscilloscopes, spectrum analysers, and data loggers benefit from the IDTADC1215S080HN-C18's 12-bit resolution and 80 MSPS in a compact 6x6 mm package. The part provides an optimal balance between sample rate, power, and PCB area for battery-powered instruments. Differential inputs allow direct coupling to attenuator front-ends with minimal external signal conditioning, and the pipelined latency is acceptable for waveform digitisation rather than triggering event capture.
Recommended
Radar and Lidar Baseband Capture
Short-range automotive and industrial radar front-ends use the IDTADC1215S080HN-C18 to capture baseband I/Q after the mixer. With 80 MSPS, the part samples bandwidths up to approximately 30-35 MHz, which is sufficient for narrowband FMCW radar and time-of-flight lidar demodulation. The differential analog inputs reject switch-mode supply noise from the radar modulator, and the small package helps minimise the radar PCB footprint behind the antenna array.
Recommended
Software Defined Radio (SDR) Front-End
Low-cost SDR platforms, ham-radio transceivers, and educational RF digitisation boards leverage the IDTADC1215S080HN-C18 to digitise IF or direct-conversion baseband at 80 MSPS. Twelve bits of resolution cover typical broadcast and amateur signal types without front-end gain switching. The exposed-pad HVQFN package dissipates converter heat efficiently in compact SDR enclosures, while the differential analog inputs simplify matching to common SDR transformer front-ends.
Recommended
Data Acquisition Systems for Industrial Sensing
Multi-channel data acquisition cards aggregate multiple IDTADC1215S080HN-C18 converters behind an analog multiplexer to sample strain gauges, thermocouples, and pressure transducers at high rates. Each ADC handles 12-bit conversions at 80 MSPS, providing throughput for vibration and acoustic analysis. The compact 40-VFQFHN package enables high channel density on standard acquisition boards, and the differential inputs reject ground-loop noise from long sensor cables.
Recommended
Recommended Products Summary
Engineering reference data for IDTADC1215S080HN-C18 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | IDTADC1213S080HN-C18 | IDTADC1210S065HN-C18 | ADC1613S105HN-C18 | ADC1112D125HN-C18 | ADC1010S080HN/C1:5 |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics (formerly IDT) | Renesas Electronics | Renesas Electronics | Renesas Electronics | Texas Instruments | Texas Instruments |
| Package | 40-VFQFHN 6x6 mm | 40-VFQFHN 6x6 mm - same | 40-VFQFHN 6x6 mm - same | 40-VFQFHN 6x6 mm - same | 40-VFQFHN 6x6 mm - same | 40-VFQFHN 6x6 mm - same |
| Resolution | 12 bit | 12 bit | 12 bit | 16 bit | 12 bit | 10 bit |
| Sampling Rate | 80 MSPS | 80 MSPS | 65 MSPS | 105 MSPS | 125 MSPS | 80 MSPS |
| Channels | 1 | 1 | 1 | 1 | 2 | 1 |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Pin Count | 40 | 40 | 40 | 40 | 40 | 40 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Single-channel 80 MSPS in compact 6x6 mm HVQFN (vs ADC1112D125HN-C18)
- Industrial-grade -40C to +85C operation (vs IDTADC1210S065HN-C18)
- Differential analog inputs improve SFDR (vs ADC1010S080HN/C1:5)
- Pipelined architecture balances latency and throughput (vs ADS8401IPFBT (SAR))
Design Notes
Estimated: The exposed thermal pad of the 40-VFQFHN package should be soldered to a continuous ground plane that extends at least 2 mm beyond the package edges. Use a via array of 4-9 thermal vias (0.3 mm drill, 0.5 mm pitch) directly under the pad to bond inner and outer ground planes. Place each AVDD bypass capacitor within 2 mm of its corresponding supply pin, using a 100 nF ceramic in parallel with a 10 uF tantalum or polymer cap for broadband decoupling.
Route the differential analog inputs (AIN+/AIN-) and the differential clock (CLK+/CLK-) as 100 ohm matched-length traces with continuous ground reference on the layer immediately below. Keep digital output traces (D0-D11, DRDY) away from the analog input traces by at least 5x the trace-to-trace spacing. Series-terminate each digital output with a 33 ohm resistor placed close to the ADC pin when driving long traces to the FPGA.
Do not assume that the analog and digital 3.3 V supplies are interchangeable. The AVDD pin powers the input sampling stage and reference, while DVDD powers the output drivers. Use ferrite beads or filter inductors to isolate AVDD from DVDD, and bring each supply back to a common point at the PCB power-entry filter. Verify the clock duty cycle is within 45-55%; sub-optimal duty cycle degrades SNR by 2-3 dB at 80 MSPS.
Estimated: For optimal SFDR, the voltage reference decoupling capacitor (typically 10 uF ceramic plus 100 nF) must be placed within 1-2 mm of the VREF pin with a low-impedance ground return. Keep the common-mode bypass capacitor (CM pin) close to its pin and bonded directly to the analog ground plane. If using the internal reference, leave the SENSE pin tied to AVDD; tie SENSE to ground only when driving an external reference.
Compliance Information
RoHS and lead-free status confirmed by distributor listing data. AEC-Q100 not applicable (this is not an automotive-qualified part). Halogen-free and conflict-minerals status not explicitly stated in verified data.
