IDTADC1212D080HN-C1 - Dual 12-bit 80MSPS ADC, 64-VFQFPN | Renesas
MPN: IDTADC1212D080HN-C1 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $28.5 | $28.50 |
| 10 | $25.2 | $252.00 |
| 100 | $21.85 | $2,185.00 |
| 500 | $19.4 | $9,700.00 |
| 1,000 | $17.1 | $17,100.00 |
IDTADC1212D080HN-C1 Overview
An ADC (analog-to-digital converter) is a mixed-signal integrated circuit that samples continuous-time analog waveforms at a fixed rate and produces a quantized digital code proportional to the input voltage. Pipelined ADCs use a multi-stage architecture where each stage resolves a few bits of resolution while a residue is passed to the next stage, achieving both high sampling rates (tens to hundreds of MSPS) and 10-14 bit resolution. In the broader taxonomy, the IDTADC1212D080HN-C1 sits within: ADC -> data converter -> data acquisition IC -> mixed-signal IC -> semiconductor. It is a member of Renesas' (formerly IDT) ADC1212D080 family of dual 12-bit 80/105/125 MSPS converters.
Key specifications include 12-bit resolution with no missing codes, 80 MSPS maximum sampling rate, and integrated input buffer with adjustable full-scale range. The 64-VFQFPN package provides a compact footprint with an exposed thermal pad for low thermal resistance. Power consumption is typically below 600 mW at 80 MSPS from a single 1.8V analog and 1.8V/3.3V digital supply, enabling use in thermally constrained designs.
Application areas include medical imaging (ultrasound AFE), communications receivers (IF/baseband sampling), industrial instrumentation (data acquisition), and multi-channel test equipment. The dual-channel architecture is well suited to diversity receivers, MIMO front ends, and I/Q demodulation paths.
When integrating this part, ensure the analog input network is bandwidth-matched to the ADC's input bandwidth and that the clock source meets the ADC's aperture/jitter specifications. Decouple supplies with low-ESR ceramic capacitors placed adjacent to the AVDD/DRVDD pins, and provide a solid ground plane under the exposed paddle for thermal dissipation.
This datasheet aggregates distributor inventory data, Renesas-equivalent pin-compatible alternates, and practical layout guidance not consolidated elsewhere, providing an at-a-glance buying and design reference that complements the manufacturer datasheet.
Drop-in alternatives for IDTADC1212D080HN-C1 — 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 IDTADC1212D080HN-C1 (same form factor and footprint) — differing in Package, Input Type, Data Interface, Operating Temperature, Resolution.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADC1212D125HN-C1
✅ Drop-In✓ In Stock
$20.75 / Unit
View Datasheet →ADC1212D105HN-C1
✅ Drop-In📋 Reference alternative (not in catalog)
ADC1213D080HN/C1/5
✅ Drop-In✓ In Stock
$22.95 / Unit
View Datasheet →ADC1012D080HN/C1:5
✅ Drop-In✓ In Stock
$12.1 / Unit
View Datasheet →ADC1412D065HN-C1
✅ Drop-In✓ In Stock
$21.45 / Unit
View Datasheet →AD9237BCPZ-40
✅ Drop-In📋 Reference alternative (not in catalog)
ADS5400IPZP25
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
IDTADC1212D080HN-C1 Maximum Ratings & Electrical Characteristics
| Resolution | 12 bit |
| Number of Channels | 2 (dual) |
| Sampling Rate (Max) | 80 MSPS |
| Architecture | Pipelined |
| Input Type | Single-ended (differential capable) |
| Data Interface | CMOS (DDR/SDR selectable) |
| Package | 64-VFQFPN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount |
IDTADC1212D080HN-C1 64-vfqfpn (9x9 mm) with exposed pad Pin Configuration Guide
Pin configuration for IDTADC1212D080HN-C1 (64-vfqfpn (9x9 mm) with exposed pad package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for IDTADC1212D080HN-C1.
Refer to the datasheet for full pin configuration.
Typical Applications
IDTADC1212D080HN-C1 is suitable for 6 applications: Medical Ultrasound Imaging Front End, Communications IF / Baseband Sampling, Industrial Data Acquisition Systems, Multi-Channel Test and Measurement, Radar and Lidar Signal Capture, MIMO Wireless Receiver Front End.
Medical Ultrasound Imaging Front End
The IDTADC1212D080HN-C1's dual 12-bit 80 MSPS pipeline channels let each IC digitize two transducer-element return paths from a phased-array ultrasound probe. The sampling rate captures second-harmonic tissue signals up to 40 MHz (Nyquist) while the 12-bit dynamic range resolves echo amplitudes for B-mode and Doppler processing. Synchronous dual channels keep beamforming calculations phase-aligned across the array; multiple devices slave to a common clock for 16-, 32-, 64-channel probe heads. Compared with lower-rate ADCs, the 80 MSPS rate halves the required sampling density per element and reduces per-channel power.
Recommended
Communications IF / Baseband Sampling
In software-defined radio and diversity receiver designs the IDTADC1212D080HN-C1 captures I and Q baseband channels directly, eliminating analog downconversion chains and enabling digital signal processing in FPGAs. Two synchronized 12-bit 80 MSPS channels provide enough bandwidth for Wi-Fi/LTE baseband bandwidths, and the CMOS DDR output bus feeds FPGA sample FIFOs directly. Pipeline latency is deterministic, simplifying AGC loops. Compared with discrete 10-bit IF ADCs, this part adds 3 dB of dynamic range and supports higher-order modulation schemes.
Recommended
Industrial Data Acquisition Systems
The IDTADC1212D080HN-C1 fits multi-channel industrial data-acquisition front ends digitizing strain gauges, accelerometers, or transient voltage signals at 80 MSPS per pair of channels. Its 12-bit resolution captures waveforms with sufficient detail for FFT analysis and harmonic distortion studies of motors, transformers, or inverter output. Dual-channel integration halves board area versus two single-channel ADCs and keeps inter-channel timing skew below one sample interval. The exposed thermal pad supports continuous operation in industrial environments where the PCB operates near its thermal limit.
Recommended
Multi-Channel Test and Measurement
Oscilloscope, logic-analyzer, and signal-analyzer manufacturers leverage the dual-channel ADC1212D080HN-C1 to expand channel counts in modular bench instruments. Two real-time 80 MSPS channels per IC allow dense placement on acquisition boards, and the synchronized sampling supports simultaneous sampling across chassis. Engineers appreciate the predictable pipeline latency for trigger circuitry and the standard CMOS output format that interfaces with general-purpose FPGA digital front ends. Compared with single-channel 12-bit ADCs, this part reduces BOM cost per channel by approximately 25-30 percent.
Recommended
Radar and Lidar Signal Capture
Phase-array radar and lidar receivers use the IDTADC1212D080HN-C1 to digitize narrow-pulse returns in the tens-of-MHz IF range. The two 80 MSPS channels let one IC handle the I and Q outputs of a single downconversion stage, replacing dual ADCs in legacy designs. Engineers using pulse compression benefit from the 12-bit sample depth, which preserves dynamic range for both strong returns and weak distant echoes. Multi-IC synchronization across the antenna array is achievable with a common reference clock and shared start-of-conversion pulse.
Recommended
MIMO Wireless Receiver Front End
Multi-antenna MIMO wireless receivers use one IDTADC1212D080HN-C1 per spatial-stream I/Q pair, with all ADCs locked to a common reference clock for coherent sampling. The 80 MSPS rate accommodates 20-40 MHz signal bandwidths such as those used in Wi-Fi 5/6, LTE, and proprietary sub-6 GHz standards. The CMOS DDR output interface feeds FPGA DSP fabric with deterministic latency, simplifying MIMO matrix calculations. Compared with 2-channel integrated transceiver ICs, this standalone ADC provides simpler digital-IF interfacing and more flexible clocking.
Recommended
Recommended Products Summary
Engineering reference data for IDTADC1212D080HN-C1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADC1212D125HN-C1 | ADC1212D105HN-C1 | ADC1213D080HN/C1/5 | ADC1012D080HN/C1:5 | ADC1412D065HN-C1 |
|---|---|---|---|---|---|---|
| Package | 64-VFQFPN (9x9 mm) | 64-VFQFPN (9x9 mm) - same | 64-VFQFPN (9x9 mm) - same | 64-VFQFPN (9x9 mm) - same | 64-VFQFPN (9x9 mm) - same | 64-VFQFPN - same family |
| Brand | Renesas Electronics | Renesas Electronics - same | Renesas Electronics - same | Renesas Electronics - same | Renesas Electronics - same | Renesas Electronics - same |
| Resolution | 12 bit | 12 bit | 12 bit | 13 bit | 10 bit | 14 bit |
| Sampling Rate (Max) | 80 MSPS | 125 MSPS | 105 MSPS | 80 MSPS | 80 MSPS | 65 MSPS |
| Number of Channels | 2 | 2 | 2 | 2 | 2 | 2 |
| Architecture | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined | Pipelined |
| Data Interface | CMOS DDR/SDR | CMOS DDR/SDR | CMOS DDR/SDR | CMOS DDR/SDR | CMOS DDR/SDR | CMOS DDR/SDR |
Key Differentiators
- Dual 12-bit channels in a single 9x9 mm VFQFPN footprint (vs ADC1212D105HN-C1)
- Higher resolution scaling within the same family (vs ADC1012D080HN/C1:5)
- Resides in the well-documented legacy IDT ADC1212 family (vs Third-party 12-bit 80 MSPS ADCs)
Design Notes
Decouple AVDD and DRVDD with low-ESL ceramic capacitors placed within 2-3 mm of each supply pin. Place a 10 uF bulk tantalum or polymer capacitor plus 0.1 uF X7R ceramic for each rail. Use a ferrite bead between the analog 1.8V regulator and AVDD to isolate from switching noise. The 1.8 V analog rail should be derived from a low-noise LDO (for example, LP38798 from TI) as the ADC's PSRR rolls off above 1 MHz. Estimated: total quiescent current draw is approximately 250-350 mA per ADC at 80 MSPS based on ADC1212 family typical figures - confirm against datasheet for thermal design.
Place the ADC so analog input traces do not cross digital output traces on inner layers. Use a continuous ground plane under the part, splitting analog and digital grounds only at the LDO/ferrite boundary. Solder the exposed thermal pad to a copper pour at least 1 square inch on the top layer with multiple thermal vias to internal ground layers to achieve theta_JA below 20 C/W. Match length/width of the differential clock and analog input traces within 0.5 mm to maintain channel-to-channel timing skew below 50 ps.
Use a clock source with jitter below 200 fs RMS at 80 MSPS to achieve the rated SNR. Buffer the clock signal with a low-jitter clock buffer if fanout to multiple ADC1212D channels is required. For analog inputs, use a transformer or differential driver network with a flat-frequency response up to 200 MHz and add an anti-aliasing filter to remove out-of-band noise. Terminate unused analog input pins to mid-supply (VCM) through a 1 kohm resistor rather than leaving them floating.
Compliance Information
Compliance status was not captured in the verified web data summary. RoHS and lead-free status of the legacy IDT VFQFPN-64 package should be confirmed via the manufacturer material declaration before production.
