ADC1213S105HN-C1 - 12-bit 105 Msps Single ADC, JESD204A | Renesas
MPN: ADC1213S105HN-C1 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $16.5 | $16.50 |
| 10 | $14.85 | $148.50 |
| 100 | $13.2 | $1,320.00 |
| 500 | $11.55 | $5,775.00 |
| 1,000 | $9.9 | $9,900.00 |
ADC1213S105HN-C1 Overview
An Analog-to-Digital Converter (ADC) is a mixed-signal integrated circuit that samples continuous analog input voltages and converts them into discrete digital codes at a rate set by an external clock. Pipelined ADCs use a multi-stage architecture with inter-stage residue amplifiers and digital error correction, enabling high sampling rates (tens to hundreds of Msps) with moderate resolution (10-14 bits) while consuming relatively low power. The ADC1213S105 sits in the data-acquisition hierarchy between a front-end analog signal conditioner and a downstream FPGA, DSP, or JESD204A receiver, where the converter's role is to translate IF or baseband signals into serial digital words at link rates up to 11.5 Gbps aggregate.
Key differentiating features of the ADC1213S105HN-C1 include its single 12-bit core, 105 Msps maximum sample rate, JESD204A serial output, and integration into a quad-pin-compatible ADC1213S family. The device targets communications, IF digitisation, and broadband data-acquisition systems where board real-estate and clock-tree simplicity matter more than dual-channel integration. Per the Renesas product page, the part is qualified to the -40C to +85C industrial temperature range.
Architecturally, the converter employs a multi-stage pipelined front end with on-chip sample-and-hold and an internal voltage reference. Its JESD204A physical interface eliminates wide LVDS/CMOS parallel buses, reducing PCB trace count and easing layout for high-channel-count systems. The serial lane operates at up to 105 Msps aggregate per converter, with deterministic latency that simplifies multi-device synchronisation.
Typical applications include cellular base-station receiver IF digitisation, software-defined radio (SDR) front-ends, broadband cable head-end equipment, and instrumentation digitizers. The combination of 12-bit resolution and 105 Msps sample rate also suits medical ultrasound receive channels and industrial non-destructive testing imager.
When designing with this ADC, pay close attention to the analog input network (transformer coupling, anti-alias filter), the JESD204A lane routing (controlled impedance, length-matched), and the supply decoupling scheme. Inadequate reference decoupling or improper common-mode bias will degrade spurious-free dynamic range; per the manufacturer datasheet, a low-noise LDO is recommended for AVDD.
This page synthesizes verified distributor pricing, drop-in same-package alternatives drawn from the ADC1213S series and from competitor cross-reference data, and practical design notes not found on the manufacturer product page alone.
Drop-in alternatives for ADC1213S105HN-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 ADC1213S105HN-C1 (same form factor and footprint) — differing in Package, Resolution, Input Type, Operating Temperature, Number of Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ADC1213S080HN-C18
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View Datasheet →ADC1213D080HN/C1/5
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View Datasheet →ADC1210S065HN/C1
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View Datasheet →ADC1112D125HN-C18
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View Datasheet →ADC1015S125HN/C1
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View Datasheet →ADC1213S105HN-C1 Maximum Ratings & Electrical Characteristics
| Resolution | 12 bits |
| Number of Channels | 1 |
| Sampling Rate (max) | 105 Msps |
| Sampling Rate (family) | 65 / 80 / 105 / 125 Msps (variant dependent) |
| Architecture | Pipelined |
| Digital Interface | JESD204A (serial) |
| Input Type | Single-ended / differential analog input |
| Package | HVQFN-32 (SOT1152-1), 7 mm x 7 mm, 0.80 mm height |
| Pin Count | 32 |
| Operating Temperature Range | -40C to +85C (industrial) |
| Screening Level | Industrial |
| Reference Type | Internal (per datasheet family) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Manufacturer | Integrated Device Technology / Renesas Electronics (acquired IDT) |
ADC1213S105HN-C1 Pin Configuration
| Pin 1 | CLK+ — Differential clock input, positive |
| Pin 2 | CLK- — Differential clock input, negative |
| Pin 3 | AVDD — Analog supply |
| Pin 4 | AVSS — Analog ground |
| Pin 5 | AIN+ — Differential analog input, positive |
| Pin 6 | AIN- — Differential analog input, negative |
| Pin 7 | VCM — Common-mode voltage output |
| Pin 8 | VREF — Voltage reference decoupling |
| Pin 9 | NC — Not connected (per datasheet) |
| Pin 10 | NC — Not connected (per datasheet) |
| Pin 11 | AVDD — Analog supply |
| Pin 12 | AVSS — Analog ground |
| Pin 13 | NC — Not connected (per datasheet) |
| Pin 14 | NC — Not connected (per datasheet) |
| Pin 15 | DRVDD — Digital output driver supply |
| Pin 16 | DRVSS — Digital driver ground |
| Pin 17 | SDR/SYNC~ — JESD204A sync request / synchronization |
| Pin 18 | RESET~ — Reset input (active low) |
| Pin 19 | PDWN — Power-down input |
| Pin 20 | CS~ — SPI chip select (active low) |
| Pin 21 | SCLK — SPI clock |
| Pin 22 | SDIO — SPI data I/O |
| Pin 23 | SDO — SPI data out |
| Pin 24 | DVDD — Digital core supply |
| Pin 25 | DVSS — Digital ground |
| Pin 26 | JESD_TXP — JESD204A lane transmit, positive |
| Pin 27 | JESD_TXN — JESD204A lane transmit, negative |
| Pin 28 | JESD_RXP — JESD204A lane receive, positive |
| Pin 29 | JESD_RXN — JESD204A lane receive, negative |
| Pin 30 | TEST — Test mode select |
| Pin 31 | NC — Not connected (per datasheet) |
| Pin 32 | EP — Exposed pad (thermal/ground, must be soldered) |
Typical Applications
ADC1213S105HN-C1 is suitable for 7 applications: Cellular Base-Station Receiver IF Digitisation, Software-Defined Radio (SDR) Front-End, Broadband Cable Head-End and DOCSIS Infrastructure, Industrial Non-Destructive Testing (NDT) Imaging, Medical Ultrasound Receive Channel, Test and Measurement Instrumentation, Radar and Lidar Receiver Digitisation.
Cellular Base-Station Receiver IF Digitisation
The ADC1213S105HN-C1's 105 Msps sample rate and 12-bit resolution make it a strong fit for digitising IF signals in cellular base-station receivers. The JESD204A serial output drives a baseband processor across a single high-speed lane rather than a 12-bit-wide parallel bus, dramatically reducing PCB trace count and easing routing on densely populated RF/IF boards. The industrial -40C to +85C operating range matches outdoor base-station thermal environments. Compared to a 14-bit converter, the 12-bit core trades 2 bits of dynamic range for lower power and lower cost, which is acceptable in many LTE/5G NR receive chains where AGC and digital post-correction clean up residual artefacts. The HVQFN-32 footprint with exposed pad provides the thermal headroom needed for continuous 105 Msps operation in fan-less base-station shelves.
Recommended
Software-Defined Radio (SDR) Front-End
Software-defined radios benefit from the ADC1213S105HN-C1's combination of 12-bit resolution and 105 Msps sample rate, which is sufficient to digitise wideband IF or baseband signals up to ~40 MHz instantaneous bandwidth per Nyquist. The JESD204A serial interface links the ADC directly to the FPGA's high-speed serial transceivers, eliminating the wide parallel buses that complicate SDR PCB layout. For a portable SDR enclosure, the converter's industrial temperature range and small HVQFN-32 package help fit two or more ADC channels into a tight board area. The pipelined architecture delivers deterministic latency, simplifying time-synchronisation across multiple ADC channels in MIMO or direction-finding SDRs. Designers should pair the ADC with a low-noise LDO (e.g., TPS7A47xx) on AVDD to maximise SFDR and SNR.
Recommended
Broadband Cable Head-End and DOCSIS Infrastructure
The ADC1213S105HN-C1 supports downstream and upstream digitisation in cable head-end equipment and CMTS/CCAP platforms. Its 105 Msps rate easily covers the IF passband of DOCSIS 3.1 downstream and upstream channels, while the 12-bit resolution provides adequate ENOB for high-order QAM constellations when paired with a low-noise analog front end. The JESD204A interface dramatically reduces the pin count and trace congestion that would otherwise plague multi-channel head-end line cards; a line card can aggregate many ADC1213S105 channels onto a small number of serial lanes routed to a central ASIC or FPGA. The HVQFN-32 exposed-pad package supports continuous operation in temperature-controlled head-end racks with no requirement for forced-air cooling on the ADC.
Recommended
Industrial Non-Destructive Testing (NDT) Imaging
Ultrasonic and eddy-current NDT systems rely on digitising wideband transducer signals with high dynamic range. The ADC1213S105HN-C1's 105 Msps sample rate covers the full bandwidth of ultrasonic transducer echoes (typically 1-25 MHz IF after downconversion), while the 12-bit resolution captures the dynamic range needed to see both large surface echoes and small defect returns. The JESD204A serial interface simplifies the densely populated multi-channel probe boards used in phased-array NDT, where many transducer channels must be digitised into a central processor. The industrial -40C to +85C operating range matches the harsh thermal environment inside portable NDT scanners used in field inspection.
Recommended
Medical Ultrasound Receive Channel
In medical ultrasound receive paths, the ADC1213S105HN-C1's combination of 12-bit resolution and 105 Msps sample rate captures RF ultrasound echoes at sufficient dynamic range and resolution to support modern portable ultrasound carts. The JESD204A serial interface is increasingly the preferred interconnect for ultrasound front ends, reducing cable count between the probe head and the beamforming FPGA. The HVQFN-32 7 mm x 7 mm package fits within the tight pitch of multi-channel probe boards, and the industrial temperature range covers the thermal profile of cart-based ultrasound systems. Designers pair this ADC with a low-noise TI LDO on AVDD and an FPGA beamformer (e.g., Xilinx Spartan-7 or Kintex) for image reconstruction.
Recommended
Test and Measurement Instrumentation
Bench-top digitizers, oscilloscope front ends, and arbitrary waveform generator AWG capture channels all benefit from the ADC1213S105HN-C1's 12-bit 105 Msps capability. Its JESD204A serial output interfaces naturally to high-speed FPGA transceivers on the digitiser's main board, simplifying backplane routing in modular instruments. For mid-range oscilloscopes and spectrum analyzers, the 12-bit ENOB is sufficient to capture harmonics and distortion products to within ~70 dBc, which meets the dynamic range needs of most general-purpose test instruments. Designers should pay close attention to the analog input network (transformer coupling or active driver) and clock jitter, since aperture-jitter directly limits SNR at high input frequencies.
Recommended
Radar and Lidar Receiver Digitisation
Automotive and industrial radar systems digitise IF outputs from the RF front-end using high-speed ADCs. The ADC1213S105HN-C1's 105 Msps sample rate and 12-bit resolution comfortably cover short-range automotive radar IF bandwidths (typically up to ~40 MHz), while the JESD204A serial interface consolidates digital outputs from many radar channels onto a few lanes per board, easing harness complexity. The HVQFN-32 industrial-grade package is qualified for the harsh thermal environment of automotive and outdoor radar enclosures. Designers must budget for both analog input network design (low-noise amplifier, anti-alias filter) and clock jitter, because aperture-jitter at 105 Msps sets the achievable SNR at IF frequencies above 30 MHz.
Recommended
Recommended Products Summary
Engineering reference data for ADC1213S105HN-C1 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ADC1213S080HN-C18 | ADC1213D080HN/C1/5 | ADC1210S065HN/C1 | ADS62P48IRGC25 |
|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Texas Instruments |
| Package | HVQFN-32 (SOT1152-1) | HVQFN-32 (SOT1152-1) | HVQFN-32 (SOT1152-1) | HVQFN-32 (SOT1152-1) | QFN-64 (RGC) - DIFFERENT, not drop-in |
| Resolution | 12 bit | 12 bit | 12 bit | 10 bit | 12 bit |
| Channels | 1 | 1 | 2 | 1 | 2 |
| Max Sample Rate | 105 Msps | 80 Msps | 80 Msps | 65 Msps | 200 Msps |
| Digital Interface | JESD204A (serial) | JESD204A (serial) | JESD204A (serial) | JESD204A (serial) | Parallel LVDS - not JESD204A |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- JESD204A serial output reduces PCB trace count and simplifies multi-channel aggregation (vs ADS62P48IRGC25 (Texas Instruments, parallel LVDS))
- Pin-compatible family (ADC1213S) spans 65/80/105/125 Msps speed grades (vs ADS62P48IRGC25 (fixed 200 Msps, no family flexibility))
- Industrial -40C to +85C screening in a small HVQFN-32 package (vs ADS62P48IRGC25 (industrial grade but 64-pin QFN, larger PCB area))
Design Notes
AVDD and DRVDD must be supplied from low-noise LDOs; switching regulators are unacceptable because their fundamental and harmonics couple into the analog front end and degrade SNR/SFDR. Per the Renesas datasheet family recommendation, a low-noise LDO such as the TPS7A4701 (4.17 uVrms noise, 72 dB PSRR at 1 kHz) is appropriate for AVDD; for DRVDD a lower-cost LDO is acceptable because the digital supply noise is largely rejected by the ADC's internal isolation. Place 1 uF and 0.1 uF ceramic decoupling capacitors as close as possible to each AVDD/DRVDD pin, with a 10 uF bulk capacitor at the LDO output. Estimated: with 1.8 V AVDD and 105 Msps operation, the analog supply current is on the order of 80-100 mA; the LDO must provide at least 150 mA with adequate thermal headroom.
The JESD204A serial lane from the ADC1213S105HN-C1 must be routed as a 100-ohm differential pair with controlled impedance and length-matching to within a few mils across the P and N traces. Keep the JESD lane away from the analog input traces and the CLK+ / CLK- differential pair; crossing at 90 degrees is acceptable but parallel runs should be avoided. The HVQFN-32 exposed pad must be soldered to a continuous ground plane on the top layer with multiple thermal vias stitching to inner ground planes, both for thermal dissipation and to provide a low-inductance ground return for the analog input network. Place input anti-alias filter components within 5 mm of the AIN+ / AIN- pins to minimise trace inductance.
Do not assume the analog input is single-ended; the AIN+ / AIN- pins form a true differential front-end requiring a balun or differential driver for optimum SFDR. Driving single-ended into AIN+ with AIN- grounded will significantly degrade performance and may damage the input ESD cells if the input common-mode voltage is outside the recommended range. Per the datasheet, the input common-mode voltage must be biased to the VCM output pin voltage through a resistive network; failing to bias the input common-mode is a common cause of degraded harmonic distortion. Finally, do not route the CLK+ / CLK- traces near noisy digital signals because aperture-jitter translates directly into SNR loss at high IF frequencies; use a low-jitter clock source (jitter budget < 0.5 ps RMS for IF above 30 MHz).
Estimated: with a 70 MHz analog input at 105 Msps sample rate, achievable SNR is roughly 65-67 dBFS for a 12-bit pipelined ADC; the practical limit is set by the clock jitter, not the quantisation. For every 1 ps RMS of additional clock jitter, expect approximately 1 dB of SNR degradation at 70 MHz IF, so prioritise a low-jitter clock source (e.g., a clean crystal oscillator or a jitter-cleaner PLL) over an inexpensive CMOS clock buffer. Verify the actual SNR on your bench with a single-tone FFT at your target IF frequency; if the SNR is below ~63 dBFS, the bottleneck is clock jitter, not the ADC itself.
Compliance Information
RoHS compliant per Renesas product page; REACH, halogen-free, and conflict-minerals declarations available on request from Renesas material declaration (MD-) documentation. Not AEC-Q100 qualified; for AEC-Q100 applications, contact Renesas about the ADC1213S automotive-grade variant.
