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Analog Devices Inc. LTC2324IUKG-16#PBF
- Part No.:
- LTC2324IUKG-16#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 52-WFQFN Exposed Pad
- Datasheet:
-
LTC2324IUKG-16#PBF.pdf
- Description:
- IC ADC 16BIT SAR 52QFN
- Quantity:
- Payment:
- Shipping:
Inventory:366
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Product details
Overview
LTC2324IUKG-16#PBF from Analog Devices is a quad, 16-bit, 2 Msps/channel simultaneous-sampling SAR ADC with differential inputs, ±4.096 V input range, 82 dB SNR (typ), ±2 LSB INL (typ), and integrated 2.048 V / 4.096 V temperature-compensated reference. It operates from single 3.3 V or 5 V supply and supports CMOS/LVDS serial interface - ideal for high-speed data acquisition in multiphase motor control and optical networking.
For engineers reviewing the LTC2324IUKG-16#PBF datasheet, LTC2324IUKG-16#PBF pinout, LTC2324IUKG-16#PBF application, or LTC2324IUKG-16#PBF equivalent, key selection criteria include guaranteed 16-bit no-missing-codes performance, simultaneous sampling across four channels, low-power nap/sleep modes (26 µW), LVDS/CMOS I/O flexibility, and operation over –40°C to +85°C industrial temperature range.
Technical Context
The LTC2324IUKG-16#PBF implements four independent 16-bit successive approximation register (SAR) ADC cores with synchronized sample-and-hold circuits, enabling true simultaneous sampling across all channels. Its architecture includes on-chip reference buffers (REFOUT1–4), configurable SDR/DDR serial output, and dual-mode digital I/O (CMOS or LVDS) selectable via CMOS/LVDS pin.
It features internal 2.048 V / 4.096 V reference with ≤20 ppm/°C drift, 55 MHz –3 dB input bandwidth, 1 ps RMS aperture jitter, and <500 ps aperture delay matching between channels - critical for phase-coherent multichannel signal capture in power quality monitoring and communications receivers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit, guaranteed no missing codes - ensures full dynamic range utilization without code gaps in precision measurement. |
| Sampling Rate | 2 Msps per channel, simultaneous - enables real-time capture of four synchronized waveforms at up to 1 MHz Nyquist bandwidth. |
| SNR | 82 dB (typ) at fIN = 500 kHz - delivers >13.3 effective bits for high-fidelity signal reconstruction in test equipment. |
| INL | ±2 LSB (typ), –12/+12 LSB (max) - supports accurate dc-coupled measurements in calibration systems and sensor interfaces. |
| Reference | Internal 4.096 V (or 2.048 V), 20 ppm/°C max drift - eliminates external reference component count while maintaining accuracy over temperature. |
| Power Dissipation | 40 mW per channel (typ) at 2 Msps; 26 µW in sleep mode - balances high-speed performance with energy efficiency in portable or thermally constrained designs. |
| Supply Voltage | VDD = 3.3 V or 5 V; OVDD = 1.71 V to 2.63 V - supports interoperability with modern FPGA/ASIC I/O domains including 1.8 V and 2.5 V logic. |
Pinout & Package
Package: 52-lead (7 mm × 8 mm) plastic QFN (UKG) with exposed thermal pad (Pin 53 = GND). Pin pitch: 0.5 mm. RoHS-compliant, lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN1+ / AIN1– to AIN4+ / AIN4– (Pins 1–2, 4–5, 10–11, 13–14) | Analog differential inputs (4 channels) | Accept ±4.096 V differential signals with wide common-mode range (0 V to VDD); enable true simultaneous sampling with matched acquisition timing. |
| REFOUT1–4 (Pins 6, 9, 22, 45) | Independent buffered reference outputs | Each drives dedicated ADC core; can be disabled via REFBUFEN to accept external references (1.25 V–5 V) for system-level reference sharing. |
| SDO1–4 / SDOA±–SDOD± (Pins 27–28, 29–30, 35–36, 39–40) | Serial data outputs (CMOS or LVDS) | Four independent data streams; LVDS mode provides noise immunity for long traces; CMOS mode reduces power and simplifies FPGA interfacing. |
| CMOS/LVDS (Pin 25) & SDR/DDR (Pin 23) | I/O mode and data rate configuration | Hardware-selectable interface: CMOS/LVDS = GND/OVDD/floating; SDR/DDR = GND/OVDD - no firmware overhead for protocol switching. |
| CNV (Pin 24) | Convert initiation input | Edge-triggered control: rising edge starts acquisition, falling edge initiates conversion and data readout - enables precise timing synchronization across multiple devices. |
| CLKOUT / CLKOUT± (Pins 33–34) | Skew-matched output clock | Provides receiver-synchronized latch clock with minimal skew vs. SDO; essential for reliable high-speed DDR data capture in FPGAs. |
Key Features
| Feature | Design Value |
|---|---|
| Quad simultaneous sampling | Four independent SAR cores with matched aperture delay (<500 ps) and jitter (1 ps RMS) - preserves inter-channel phase integrity for vector analysis and beamforming. |
| Configurable digital interface | Hardware-selectable CMOS/LVDS and SDR/DDR modes - eliminates need for level shifters or serializer/deserializer ICs in mixed-signal systems. |
| Integrated reference with buffer disable | Onboard 4.096 V reference (20 ppm/°C max) + REFBUFEN pin - allows flexible reference architecture: internal for simplicity or external for system-wide accuracy traceability. |
| Low-power operational modes | Nap mode (5.3 mA) and sleep mode (20 µA) - extends battery life in portable DAQ and enables rapid wake-up (<50 ms REFOUT stabilization) for burst-mode sensing. |
| Industrial temperature grade | Specified from –40°C to +85°C - qualified for deployment in motor drives, base station radios, and industrial automation without derating. |
Applications
| Power Quality Monitoring | Optical Network Test Equipment |
|---|---|
Use Scenario: Real-time measurement of voltage/current harmonics, flicker, and unbalance in 3-phase AC distribution systems. IC Role / Device Role / Timing Role: Simultaneous sampling of four analog inputs (e.g., three phases + neutral) with sub-ns inter-channel timing match to preserve phase relationships. Use Value: Enables IEEE 519-compliant harmonic analysis up to 50th order with 82 dB SNR and no missing codes - critical for compliance reporting and fault detection. |
Use Scenario: High-fidelity characterization of modulated optical signals in coherent transceivers and BER testers. IC Role / Device Role / Timing Role: Digitizing RF-over-fiber IF signals with 55 MHz bandwidth and low THD (–90 dB) to preserve EVM and constellation fidelity. Use Value: Delivers 13.3 ENOB at 500 kHz, supporting >16-QAM demodulation accuracy without oversampling or post-processing correction. |
| Multiphase Motor Control | Communications Receiver Front-End |
Use Scenario: Closed-loop field-oriented control (FOC) of PMSM/BLDC motors using current and back-EMF feedback. IC Role / Device Role / Timing Role: Simultaneous capture of two phase currents and DC bus voltage with deterministic latency (<220 ns conversion time) for PWM synchronization. Use Value: Enables <1 µs current loop update rates and torque ripple reduction via precise rotor position estimation from synchronized samples. |
Use Scenario: Direct sampling of IF signals in software-defined radio (SDR) and radar receivers operating up to 1 MHz bandwidth. IC Role / Device Role / Timing Role: High-SNR digitization with 82 dB SNR and 97 dB SFDR - suppresses adjacent channel interference and spurious responses. Use Value: Supports wide-dynamic-range signal capture (e.g., GPS L1 + cellular LTE coexistence) without automatic gain control complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed simultaneous-sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7606C-16 (Analog Devices) | 8-channel, 16-bit, 1 MSPS/channel; parallel/serial interface; internal reference only (4.096 V); no LVDS option. | Better channel density but lower speed; lacks LVDS for noise-sensitive environments; requires more PCB routing for parallel bus. | Select when 8-channel count outweighs 2 Msps requirement and system uses parallel FPGA interfaces. |
| ADS8684 (Texas Instruments) | 4-channel, 16-bit, 1 MSPS/channel; SPI-only (CMOS); integrated PGA (±10.24 V range); no simultaneous sampling guarantee. | Includes programmable gain for sensor scaling; lower throughput limits real-time FFT size; sampling not fully simultaneous (interleaved). | Select for sensor front-ends requiring on-chip amplification and lower cost, where 1 MSPS and non-simultaneous sampling are acceptable. |
Compared with AD7606C-16 and ADS8684, the LTC2324IUKG-16#PBF uniquely combines 2 Msps simultaneous sampling, LVDS noise immunity, hardware-configurable I/O, and ultra-low inter-channel timing mismatch - making it optimal for phase-coherent, high-throughput applications where timing fidelity is non-negotiable.
Availability
LTC2324IUKG-16#PBF is available at Aetrix Electronics and suitable for high-speed data acquisition systems, optical network test equipment, and multiphase motor control applications requiring stable component supply, extended temperature operation, and long-term obsolescence management.
Supply support for LTC2324IUKG-16#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. is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC2324-16 belongs to Analog Devices' high-speed precision SAR ADC product line, designed specifically for applications demanding simultaneous multi-channel sampling, low latency, and exceptional dynamic performance in harsh electrical environments.
FAQ
What is the operating temperature range for the LTC2324IUKG-16#PBF?
The LTC2324IUKG-16#PBF is rated for operation from –40°C to +85°C, meeting industrial-grade environmental requirements. This specification is validated across all electrical parameters in the datasheet, including INL, SNR, and reference stability, ensuring consistent performance in motor drives, outdoor telecom equipment, and factory automation systems.
Does the LTC2324IUKG-16#PBF support both CMOS and LVDS digital interfaces?
Yes, the LTC2324IUKG-16#PBF supports both CMOS and LVDS serial interfaces via the CMOS/LVDS pin (Pin 25): grounding selects CMOS mode (1.8 V/2.5 V compatible), tying to OVDD enables LVDS, and floating configures low-power LVDS. Each mode maintains full 2 Msps/channel throughput and supports SDR or DDR timing via the SDR/DDR pin (Pin 23).
How many reference outputs does the LTC2324IUKG-16#PBF provide, and can they be used independently?
The LTC2324IUKG-16#PBF provides four independent reference outputs (REFOUT1–4, Pins 22, 9, 6, 45), each driving one ADC channel. They are nominally 4.096 V (or 2.048 V) and can be disabled individually via the REFBUFEN pin (Pin 43) to allow external reference injection - enabling flexible system-level reference architectures without sacrificing channel isolation.
What power-saving modes does the LTC2324IUKG-16#PBF offer, and how quickly does it wake up?
The LTC2324IUKG-16#PBF offers Nap mode (5.3 mA) and Sleep mode (20 µA). After exiting Sleep mode, the internal reference requires ≤50 ms to stabilize (with 10 µF decoupling), after which full 2 Msps operation resumes. This enables duty-cycled sensing in battery-powered DAQ systems while maintaining fast response to trigger events.
Is the LTC2324IUKG-16#PBF pin-compatible with other variants in the LTC2324 family?
Yes, the LTC2324IUKG-16#PBF shares identical 52-lead QFN (UKG) package and pinout with the LTC2324CUKG-16#PBF (0°C to 70°C) and LTC2324HUKG-16#PBF (–40°C to 125°C). All variants use the same footprint, thermal pad connection, and signal assignments - allowing drop-in replacement across temperature grades without PCB redesign.
LTC2324IUKG-16#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:
- 16
- 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:
- -40°C ~ 85°C
- Supplier Device Package:
- 52-QFN (7x8)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2324IUKG-16#PBF FAQ
1.How can I place an order for LTC2324IUKG-16#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2324IUKG-16#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 LTC2324IUKG-16#PBF reliable?
The price and inventory of LTC2324IUKG-16#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2324IUKG-16#PBF is usually 5 days.
3.What payment methods are accepted for LTC2324IUKG-16#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2324IUKG-16#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2324IUKG-16#PBF?
LTC2324IUKG-16#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2324IUKG-16#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 LTC2324IUKG-16#PBF?
For technical support, including LTC2324IUKG-16#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2324IUKG-16#PBF requirements.
6.How does Aetrix verify that LTC2324IUKG-16#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2324IUKG-16#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 LTC2324IUKG-16#PBF meets industry standards.
7.What is the process for return or replacement of LTC2324IUKG-16#PBF?
All LTC2324IUKG-16#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2324IUKG-16#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 LTC2324IUKG-16#PBF part is unused and in its original packaging.
Return procedure for LTC2324IUKG-16#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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