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Analog Devices Inc. LTC2324CUKG-12#PBF
- Part No.:
- LTC2324CUKG-12#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 52-WFQFN Exposed Pad
- Datasheet:
-
LTC2324CUKG-12#PBF.pdf
- Description:
- IC ADC 12BIT SAR 52QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,729
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Product details
Overview
LTC2324CUKG-12#PBF from Analog Devices (formerly Linear Technology) is a quad, 12-bit + sign successive approximation register (SAR) analog-to-digital converter with simultaneous sampling, differential inputs, and 2 Msps per channel throughput. It operates from a single 3.3V or 5V supply, delivers 78.5 dB SNR at 500 kHz input, ±0.5 LSB typical INL, and integrates a low-drift 4.096 V internal reference-ideal for high-dynamic-range data acquisition in motor control and optical networking.
For engineers reviewing the LTC2324CUKG-12#PBF datasheet, LTC2324CUKG-12#PBF pinout, LTC2324CUKG-12#PBF application, or LTC2324CUKG-12#PBF equivalent, key selection criteria include guaranteed 12-bit no-missing-codes performance, simultaneous four-channel sampling with <500 ps aperture delay matching, LVDS/CMOS serial interface flexibility, 52-lead QFN thermal management, and operation across 0°C to 70°C industrial temperature range.
Technical Context
The LTC2324CUKG-12#PBF implements four independent SAR ADC cores sharing a common reference architecture and synchronized CNV control, enabling true simultaneous sampling across all channels. Its differential input stage supports 8 VP-P full-scale range with 102 dB CMRR at 500 kHz and wide 0 V to VDD common-mode range.
It features dual-mode digital I/O: CMOS-compatible (1.8 V–2.5 V OVDD) or LVDS (2.5 V OVDD), selectable via CMOS/LVDS pin, with SDR/DDR clocking options. Internal reference buffers (REFOUT1–4) are individually decoupled and disableable via REFBUFEN for external reference use.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit + sign - delivers 4096 codes with bipolar zero-crossing capability for signed signal capture. |
| Sampling Rate | 2 Msps per channel - enables real-time capture of signals up to ~55 MHz bandwidth without aliasing. |
| SNR | 78.5 dB (typ) at fIN = 500 kHz - ensures >12.7 effective bits for precision measurement applications. |
| INL | ±0.5 LSB (typ) - guarantees monotonicity and accurate transfer function linearity over full temperature range. |
| Reference | 4.096 V internal, 20 ppm/°C max drift - eliminates need for external reference in most industrial designs. |
| Power | 40 mW per channel (typ) at 2 Msps - balances speed and efficiency for multi-channel embedded systems. |
| Aperture Matching | ≤500 ps - ensures sub-0.1° phase error between channels at 1 MHz, critical for multiphase analysis. |
Pinout & Package
Package: 52-lead (7 mm × 8 mm) plastic QFN with exposed thermal pad (Pin 53 = GND). Requires soldering of exposed pad to PCB ground plane for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN1+ / AIN1– to AIN4+ / AIN4– (Pins 1–2, 4–5, 10–11, 13–14) | Differential analog inputs (4 channels) | Accept ±4.096 V differential signals with 0 V to VDD common-mode range; each pair referenced to its dedicated REFOUTx. |
| REFOUT1–4 (Pins 6, 9, 22, 45) | Independent buffered reference outputs | Provide 4.096 V (±18 mV) to respective ADC cores; disableable via REFBUFEN for external reference routing. |
| SDO1–4 / SDOA±–SDOD± (Pins 27–29, 35–36, 39–40, 27–28, 29–30, 35–36, 39–40) | Serial data outputs (CMOS or LVDS) | CMOS mode: single-ended SDOx; LVDS mode: differential pairs SDOA± etc.; support SDR/DDR timing for FPGA interfacing. |
| CNV (Pin 24) | Convert initiation input | Edge-triggered control: rising edge starts acquisition, falling edge initiates conversion and data readout-no latency. |
| CMOS/LVDS (Pin 25) & SDR/DDR (Pin 23) | I/O interface mode select | Configure digital interface: CMOS/LVDS selects voltage standard; SDR/DDR selects clock edge usage (1 or 2 edges per bit). |
| REFBUFEN (Pin 43) | Internal reference buffer enable | Tie to VDD to activate internal 4.096 V buffers; tie to GND to disable and allow external reference injection on REFOUTx pins. |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous 4-channel sampling | Eliminates inter-channel skew in time-critical measurements such as motor current vector analysis or phased-array sensing. |
| Onboard 4.096 V reference with 20 ppm/°C drift | Reduces BOM count and layout complexity while maintaining accuracy across 0°C–70°C operating range. |
| LVDS or CMOS serial interface with SDR/DDR support | Enables noise-immune long-run connections to FPGAs or ASICs while preserving timing margin at 110 MHz SCK rates. |
| Nap and sleep power modes | Reduces idle power to 26 μW (sleep) or 18 mW (nap), extending runtime in battery-backed DAQ systems. |
| 52-lead QFN with exposed thermal pad | Provides low θJA = 31°C/W for sustained 2 Msps operation without external heatsinking in compact enclosures. |
Applications
| High-Speed Motor Control | Optical Network Monitoring |
|---|---|
Use Scenario: Real-time acquisition of three-phase stator currents and DC bus voltage in servo drives. IC Role / Device Role / Timing Role: Simultaneous 4-channel ADC captures synchronized current/voltage waveforms for field-oriented control (FOC) algorithms. Use Value: ≤500 ps aperture matching ensures <0.1° phase error between channels at 10 kHz fundamental, enabling precise torque ripple suppression. | Use Scenario: Monitoring RF envelope amplitude and distortion in coherent optical transceivers. IC Role / Device Role / Timing Role: Digitizes photodiode outputs and laser bias feedback paths with 78.5 dB SNR at 500 kHz. Use Value: 2 Msps/channel throughput supports real-time EVM and MER calculation without undersampling penalties. |
| Communications Baseband Processing | Industrial Data Acquisition Systems |
Use Scenario: IF sampling in software-defined radio (SDR) front-ends for LTE and 5G NR. IC Role / Device Role / Timing Role: Quad ADC digitizes I/Q baseband signals with matched gain/phase across channels for MIMO processing. Use Value: 95.9 dB SFDR enables clean capture of adjacent-channel interferers within 10 MHz bandwidth. | Use Scenario: Multi-sensor condition monitoring in predictive maintenance gateways. IC Role / Device Role / Timing Role: Simultaneously samples vibration, temperature, and acoustic emission sensors with shared timing reference. Use Value: Integrated 4.096 V reference and 12-bit resolution ensure consistent calibration across sensor types without external references. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7964BCPZ-RL7 | 16-bit, 2 Msps quad SAR; no integrated reference; requires external 4.096 V ref; SPI-only (CMOS), no LVDS option. | Better resolution for precision instrumentation; lacks LVDS noise immunity for long traces or noisy environments. | Select when 16-bit ENOB is required and board space allows external reference + decoupling. |
| ADS8684IPWR | 16-bit, 500 ksps quad SAR; integrated 4.096 V ref; pseudo-differential inputs (not true differential); only CMOS I/O. | Lower speed but higher resolution; simpler analog input drive (single-ended compatible); no LVDS or simultaneous sampling guarantee. | Select for cost-sensitive, lower-speed industrial PLC modules where true differential input is not mandatory. |
Compared with AD7964BCPZ-RL7 and ADS8684IPWR, the LTC2324CUKG-12#PBF uniquely combines 12-bit simultaneous sampling, integrated low-drift reference, and LVDS/CMOS interface flexibility-making it optimal for space-constrained, noise-sensitive, high-throughput applications where 12-bit fidelity suffices.
Availability
LTC2324CUKG-12#PBF is available at Aetrix Electronics and suitable for high-speed motor control, optical network monitoring, and communications baseband processing requiring stable component supply, extended lifecycle assurance, and traceable sourcing.
Supply support for LTC2324CUKG-12#PBF 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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC2324 product line delivers high-speed, low-noise, multi-channel SAR ADCs optimized for simultaneous sampling in demanding real-time data acquisition systems-emphasizing precision, timing integrity, and system-level integration.
FAQ
What is the operating temperature range for the LTC2324CUKG-12#PBF?
The LTC2324CUKG-12#PBF is rated for 0°C to 70°C ambient operation (Commercial grade). This is confirmed by the "C" suffix in the part number and the Order Information table specifying "0°C to 70°C" for LTC2324CUKG-12#PBF. It uses the same 52-lead QFN package as the I-grade (–40°C to 85°C) and H-grade (–40°C to 125°C) variants but is tested and guaranteed only across the commercial range.
Does the LTC2324CUKG-12#PBF support true differential input on all four channels?
Yes, the LTC2324CUKG-12#PBF supports true differential inputs on all four channels (AIN1± through AIN4±), each with an 8 VP-P full-scale range and wide 0 V to VDD common-mode input range. The functional block diagrams and Pin Functions section explicitly define AINx+ and AINx– as differential pairs, and the CMRR specification (102 dB at 500 kHz) confirms true differential rejection capability.
Can the internal reference of the LTC2324CUKG-12#PBF be disabled for use with an external reference?
Yes, the internal reference buffers (REFOUT1–4) of the LTC2324CUKG-12#PBF can be disabled by grounding the REFBUFEN pin (Pin 43). When disabled, external references in the 1.25 V to 5 V range may be applied directly to any REFOUTx pin, allowing flexible reference configuration while retaining independent buffering per ADC core.
What digital interface standards does the LTC2324CUKG-12#PBF support?
The LTC2324CUKG-12#PBF supports both CMOS and LVDS digital interfaces, selected via the CMOS/LVDS pin (Pin 25). It also supports Single Data Rate (SDR) and Double Data Rate (DDR) modes via the SDR/DDR pin (Pin 23), enabling configurable serial data transfer up to 110 MHz SCK frequency in CMOS SDR mode or 55 MHz in LVDS DDR mode.
Is the LTC2324CUKG-12#PBF pin-compatible with other variants in the LTC2324 family?
Yes, the LTC2324CUKG-12#PBF is pin-compatible with all other LTC2324-12 variants (e.g., LTC2324IUKG-12#PBF, LTC2324HUKG-12#PBF) in the same 52-lead QFN package. The datasheet's Order Information table lists identical "52-Lead (7mm × 8mm) Plastic QFN" for all grades, and the Pin Configuration diagram applies universally-only temperature grading and test limits differ between variants.
LTC2324CUKG-12#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 52-WFQFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 2M
- Number of Inputs:
- 4
- Input Type:
- Differential
- Data Interface:
- LVDS - Parallel, SPI
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 4
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 3.13V ~ 3.47V, 5V
- Voltage - Supply, Digital:
- 3.13V ~ 3.47V, 5V
- Features:
- Simultaneous Sampling
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 52-QFN (7x8)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2324CUKG-12#PBF FAQ
1.How can I place an order for LTC2324CUKG-12#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2324CUKG-12#PBF 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 LTC2324CUKG-12#PBF reliable?
The price and inventory of LTC2324CUKG-12#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2324CUKG-12#PBF is usually 5 days.
3.What payment methods are accepted for LTC2324CUKG-12#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2324CUKG-12#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2324CUKG-12#PBF?
LTC2324CUKG-12#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2324CUKG-12#PBF 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 LTC2324CUKG-12#PBF?
For technical support, including LTC2324CUKG-12#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2324CUKG-12#PBF requirements.
6.How does Aetrix verify that LTC2324CUKG-12#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2324CUKG-12#PBF 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 LTC2324CUKG-12#PBF meets industry standards.
7.What is the process for return or replacement of LTC2324CUKG-12#PBF?
All LTC2324CUKG-12#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2324CUKG-12#PBF, 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 LTC2324CUKG-12#PBF part is unused and in its original packaging.
Return procedure for LTC2324CUKG-12#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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