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Analog Devices Inc. AD12401-360KWS
- Part No.:
- AD12401-360KWS
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- Module
- Datasheet:
-
AD12401-360KWS.pdf
- Description:
- IC ADC 12BIT 360MSPS 120-PIN MOD
- Quantity:
- Payment:
- Shipping:
Inventory:2,888
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Product details
Overview
AD12401-360KWS from Analog Devices is a 12-bit, 360 MSPS time-interleaved analog-to-digital converter with transformer-coupled ac-coupled input, LVDS outputs, and integrated Advanced Filter Bank (AFB™) digital post-processing for enhanced SFDR. It delivers 63 dBFS SNR at 128 MHz input and operates over 0°C to 60°C case temperature in wideband carrier systems.
For engineers reviewing the AD12401-360KWS datasheet, AD12401-360KWS pinout, AD12401-360KWS application, or AD12401-360KWS equivalent, this page provides verified specifications, validated pin functions, confirmed thermal and supply requirements (3.7 V VA, 3.3 V VC, 1.5 V VD), exact gain-select behavior (KWS = low-gain mode), and real-world use cases in radar subsystems and multichannel receivers.
Technical Context
The AD12401-360KWS implements dual-channel time-interleaving with proprietary AFB™ digital post-processing to suppress image spurs and offset spurs arising from channel mismatch. Its analog input path is optimized for 10–160 MHz bandwidth with 0.5 dB flatness and 1:1.5 VSWR into 50 Ω.
Digital interface uses LVDS output levels (247–454 mV differential swing, 1.125–1.375 V common-mode) with fixed 74-cycle pipeline latency and precise timing control via ENCODE (differential or single-ended) and DR_EN synchronization. Gain selection is hardware-configured via H/L_GAIN pin: grounded for KWS low-gain mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - supports full-scale quantization of wide dynamic range RF/IF signals with twos-complement coding. |
| Sample Rate | 360 MSPS ±1% - guaranteed conversion rate with validated AC performance including 63 dBFS SNR at 128 MHz. |
| Analog Input Bandwidth | 160 MHz - usable frequency range for high-fidelity digitization in second Nyquist zone applications. |
| SNR @ 128 MHz | 60–63 dBFS - defines effective noise floor for signal recovery in dense spectral environments. |
| SFDR @ 128 MHz | 66–72 dBFS - determines spurious-free resolution limit for multi-tone and modulated signal capture. |
| Aperture Jitter | 0.4 ps rms - enables <12-bit ENOB performance up to ~175 MHz input without external clock conditioning. |
| Power Dissipation | 5.7–6.8 W - requires active thermal management due to high-speed analog/digital co-integration. |
| Supply Voltages | VA = 3.7 V, VC = 3.3 V, VD = 1.5 V - three independent rails with strict sequencing and decoupling requirements. |
Pinout & Package
AD12401-360KWS is housed in an enclosed 2.9" × 2.6" × 0.6" module with Samtec QTE-060-01-L-D-A-K-TR edge-mount connector (132-pin). Grounding is partitioned: AGND (Pins 81–95, 109–112, 129–132), DGND (Pins 121–128), and dedicated analog/digital power planes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| H/L_GAIN (Pin 103) | Gain configuration input | Grounded for KWS low-gain mode; sets input full-scale range to 1.6 V p-p (vs. 3.2 V p-p in JWS high-gain). |
| AIN (Pins 1–4) | Transformer-coupled analog input | Single-ended 50 Ω interface; no external reference or bias required; supports ac-coupled wideband signals. |
| ENC / ENC (Pins 5–9, 11, 13, 15) | Differential encode clock input | Accepts PECL or LVDS; also supports single-ended 2.0 V p-p sine wave with zero-crossing timing reference. |
| DA0–DA11 / DB0–DB11 (Pins 53–76, 17–40) | Dual-channel LVDS data outputs | True/complement bit pairs per channel; 12-bit twos-complement format; 74-cycle deterministic latency. |
| DRA / DRB (Pins 78, 80, 10, 12) | Data-ready strobes | LVDS-synchronized flags indicating valid data on corresponding A/B channel outputs. |
| DR_EN (Pin 77) | Data-ready enable | Asynchronous control to gate DRA/DRB assertion; must be held low ≥5 ns if asserted asynchronously. |
| OROUT (Pins 14, 16) | Overrange detection output | LVDS true/complement pair signaling ADC saturation; used for automatic gain control or clipping mitigation. |
| RESET (Pin 5) | Asynchronous reset | LVTTL active-low; min. pulse width 200 ns; device resumes operation within 600 ms max after deassertion. |
Key Features
| Feature | Design Value |
|---|---|
| Advanced Filter Bank (AFB™) post-processing | Digitally suppresses image and offset spurs from time-interleaving mismatch, enabling >70 dBFS SFDR without analog calibration. |
| Hardware-selectable gain grade | H/L_GAIN pin configures full-scale input range: 1.6 V p-p (KWS, low gain) or 3.2 V p-p (JWS, high gain) - no software register access needed. |
| Wideband ac-coupled analog input | Optimized 10–160 MHz response with 0.5 dB flatness and 1:1.5 VSWR; eliminates need for external balun or DC bias networks. |
| LVDS output interface | Low-noise, high-speed data delivery with 247–454 mV differential swing and 1.125–1.375 V common-mode voltage compatible with FPGA SerDes inputs. |
| Deterministic 74-cycle pipeline latency | Enables precise timing alignment in synchronized multichannel systems such as phased array antennas and digital beamforming. |
| Integrated overrange detection | OROUT true/complement LVDS outputs provide real-time saturation flagging for closed-loop AGC or signal integrity monitoring. |
Applications
| Radar Subsystems | Phased Array Antennas |
|---|---|
Use Scenario: Digitizing IF outputs from L-band or S-band radar receivers operating at 100–160 MHz. IC Role / Device Role / Timing Role: High-speed ADC capturing wide instantaneous bandwidth for pulse-Doppler processing and clutter rejection. Use Value: 63 dBFS SNR and 72 dBFS SFDR at 128 MHz enable accurate target discrimination in high-clutter environments. |
Use Scenario: Channelized sampling across 8–32 antenna elements in T/R modules for real-time beam steering. IC Role / Device Role / Timing Role: Dual-channel time-interleaved ADC providing synchronized A/B data streams with matched latency. Use Value: 74-cycle deterministic latency and LVDS outputs simplify FPGA-based beamformer timing alignment and data aggregation. |
| Multichannel Receivers | Secure Communications |
Use Scenario: Simultaneous monitoring of multiple adjacent RF channels in SIGINT or spectrum surveillance systems. IC Role / Device Role / Timing Role: Wideband digitizer supporting 160 MHz analog input bandwidth and flexible ENCODE interface (single/diff). Use Value: 160 MHz usable bandwidth and AFB™-enhanced SFDR allow clean capture of closely spaced narrowband signals. |
Use Scenario: High-fidelity sampling of encrypted wideband waveforms (e.g., MIL-STD-188-110D) in SATCOM terminals. IC Role / Device Role / Timing Role: Low-jitter (0.4 ps rms) ADC preserving modulation fidelity for QAM-256/1024 demodulation. Use Value: Aperture uncertainty below 0.5 ps rms ensures <12-bit ENOB at symbol rates up to 180 MSym/s. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD9625BCPZ-250 | 12-bit, 250 MSPS; no integrated AFB™; requires external digital correction; lower power (3.2 W). | Limited to ≤125 MHz input bandwidth; lacks overrange detection outputs; no hardware gain select. | Choose when lower power and simpler digital interface outweigh SFDR and latency advantages of AD12401-360KWS. |
| ADC12D1800RFIRGCT | 12-bit, dual 1.8 GSPS; interleaved architecture; higher sample rate but wider input bandwidth (up to 2.8 GHz). | Designed for direct RF sampling above 1 GHz; requires complex clock distribution and thermal design; no KWS/JWS gain variants. | Choose only for direct RF digitization >1 GHz; not suitable as drop-in replacement due to incompatible pinout, supply, and interface. |
Compared with AD9625BCPZ-250 and ADC12D1800RFIRGCT, the AD12401-360KWS uniquely balances 360 MSPS throughput, 160 MHz analog bandwidth, hardware-configurable gain, and AFB™-enabled spur suppression - making it optimal for 100–160 MHz IF digitization where deterministic latency and overrange signaling are critical.
Availability
AD12401-360KWS is available at Aetrix Electronics and suitable for radar subsystems, phased array antennas, multichannel receivers, secure communications, and wideband carrier frequency systems requiring stable component supply and long-term obsolescence management.
Supply support for AD12401-360KWS includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD12401 product line was designed specifically for wideband communications test equipment and defense electronics requiring high SFDR, low jitter, and deterministic latency - with the KWS variant optimized for low-gain, high-input-linearity applications.
FAQ
What is the full-scale input voltage range for AD12401-360KWS?
The AD12401-360KWS has a full-scale input voltage range of 1.6 V p-p in low-gain (KWS) mode, configured by grounding the H/L_GAIN pin. This is specified in Table 1 under "Full-Scale Input Voltage Range" and confirmed in the Pin Function Descriptions for Pin 103. The range is transformer-coupled and ac-coupled, requiring no external bias or reference.
Does AD12401-360KWS require an external reference voltage?
No, the AD12401-360KWS does not require an external reference voltage. As stated in the General Description, "No external reference is required." Its internal reference and analog front-end are fully self-contained, supporting transformer-coupled ac-coupled input operation across its 10–160 MHz bandwidth.
What is the pipeline latency of AD12401-360KWS and how is it used in system timing?
The AD12401-360KWS has a fixed pipeline latency of exactly 74 ENCODE clock cycles, plus propagation delay (tPD = 8.7 ns), as documented in Tables 3 and 4. This deterministic latency enables precise synchronization in multichannel systems like phased arrays, where FPGA-based beamformers rely on known, repeatable data arrival timing relative to the encode edge.
How does the H/L_GAIN pin affect AD12401-360KWS operation?
The H/L_GAIN pin (Pin 103) selects gain grade: grounded for AD12401-360KWS (low gain, 1.6 V p-p full-scale), pulled to 3.3 V for JWS (high gain, 3.2 V p-p). This hardware-selectable configuration avoids register writes and ensures immediate, glitch-free gain switching - critical in systems requiring rapid dynamic range adaptation.
What digital output standard does AD12401-360KWS use and what are its voltage levels?
The AD12401-360KWS uses LVDS digital outputs with differential voltage swing of 247–454 mV and common-mode voltage of 1.125–1.375 V, as specified in Table 3 under "LOGIC OUTPUTS". These levels comply with ANSI TIA/EIA-644 and are compatible with standard FPGA LVDS I/O banks powered at VC = 3.3 V.
AD12401-360KWS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- Module
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 360M
- Number of Inputs:
- -
- Input Type:
- -
- Data Interface:
- Parallel
- Configuration:
- -
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 2
- Architecture:
- -
- Reference Type:
- -
- Voltage - Supply, Analog:
- -
- Voltage - Supply, Digital:
- -
- Features:
- -
- Operating Temperature:
- 0°C ~ 60°C
- Supplier Device Package:
- -
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD12401-360KWS FAQ
1.How can I place an order for AD12401-360KWS through Aetrix?
Please submit a Request for Quotation (RFQ) for AD12401-360KWS on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD12401-360KWS reliable?
The price and inventory of AD12401-360KWS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD12401-360KWS is usually 5 days.
3.What payment methods are accepted for AD12401-360KWS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD12401-360KWS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD12401-360KWS?
AD12401-360KWS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD12401-360KWS order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD12401-360KWS?
For technical support, including AD12401-360KWS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD12401-360KWS requirements.
6.How does Aetrix verify that AD12401-360KWS is sourced from the original manufacturer or authorized distributors?
All AD12401-360KWS products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD12401-360KWS meets industry standards.
7.What is the process for return or replacement of AD12401-360KWS?
All AD12401-360KWS units undergo pre-shipment inspection (PSI). If there is an issue with AD12401-360KWS, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD12401-360KWS part is unused and in its original packaging.
Return procedure for AD12401-360KWS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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