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Analog Devices Inc. LTC2324CUKG-12#TRPBF
- Part No.:
- LTC2324CUKG-12#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 52-WFQFN Exposed Pad
- Datasheet:
-
LTC2324CUKG-12#TRPBF.pdf
- Description:
- IC ADC 12BIT SAR 52QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,673
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Product details
Overview
LTC2324CUKG-12#TRPBF from Analog Devices is a quad, 12-bit + sign successive approximation register (SAR) analog-to-digital converter with simultaneous sampling across four differential input channels, 2 Msps per channel throughput, ±0.5 LSB typical INL, 78.5 dB SNR at 500 kHz, and integrated 4.096 V temperature-compensated reference - ideal for high-speed data acquisition in multiphase motor control systems.
For engineers reviewing the LTC2324CUKG-12#TRPBF datasheet, LTC2324CUKG-12#TRPBF pinout, LTC2324CUKG-12#TRPBF application, or LTC2324CUKG-12#TRPBF equivalent, key selection criteria include simultaneous 4-channel sampling capability, LVDS/CMOS SPI-compatible interface flexibility, 52-lead QFN package thermal performance, and guaranteed no-missing-codes operation over 0°C to 70°C.
Technical Context
The LTC2324CUKG-12#TRPBF implements four independent SAR ADC cores sharing a common reference architecture with individually buffered REFOUT1–4 outputs, enabling flexible single- or multi-reference configurations. Its simultaneous sampling is achieved via synchronized track-and-hold circuits per channel, eliminating inter-channel skew.
It supports dual I/O modes: CMOS (1.8 V/2.5 V OVDD) and LVDS (2.5 V OVDD), with SDR/DDR serial interface options and CLKOUT output for FPGA clock alignment. Power management includes nap mode (5.3 mA) and sleep mode (20 µA), reducing dissipation to 288 µW in sleep at 5 V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit + sign (13-bit output word), guaranteeing no missing codes across full temperature range. |
| Sampling Rate | 2 Msps per channel, with zero-latency conversion and simultaneous acquisition across all four channels. |
| SNR / SINAD | 78.5 dB / 78.2 dB at fIN = 500 kHz, enabling high-fidelity signal capture in demanding RF and instrumentation applications. |
| INL / DNL | ±0.5 LSB typical INL, ±0.25 LSB DNL - ensures accurate amplitude fidelity and monotonicity in closed-loop control feedback paths. |
| Reference | Internal 4.096 V ±0.5 LSB FSE, 20 ppm/°C max drift, with individual REFOUT1–4 buffers and REFBUFEN control for external reference support. |
| Supply & Power | Single 3.3 V or 5 V VDD; 40 mW/channel typical at 2 Msps; sleep mode draws only 20 µA total (IVDD + IOVDD). |
| Input Range | ±4.096 V differential (8 VP-P) with wide 0 V to VDD common-mode range - simplifies front-end driver design in bipolar systems. |
Pinout & Package
Package: 52-lead (7 mm × 8 mm) plastic QFN (UKG) with exposed thermal pad (Pin 53 = GND), rated for 0°C to 70°C operation (C-grade). RoHS-compliant, lead-free, tape-and-reel packaged (TRPBF suffix).
| 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 full-scale differential signals; each pair referenced to its dedicated REFOUTx buffer output. |
| REFOUT1–4 (Pins 6, 9, 22, 45) | Independent reference buffer outputs | Provide 4.096 V (or 2.048 V) buffered reference per ADC core; disable via REFBUFEN to use external reference. |
| SDO1–4 / SDOA±–SDOD± (Pins 27, 29, 35, 39 and 28, 30, 36, 40) | Serial data outputs (CMOS or LVDS) | CMOS mode: single-ended SDOx; LVDS mode: differential SDOA± etc.; configurable SDR/DDR timing for FPGA interface optimization. |
| CLKOUT / CLKOUT± (Pins 33–34) | Skew-matched output clock | Delivers phase-aligned clock to latch SDO data at receiver; CLKOUTEN (Pin 34) disables it for power savings. |
| CMOS/LVDS (Pin 25) & SDR/DDR (Pin 23) | I/O interface mode selectors | Pin 25 = GND → CMOS; OVDD → LVDS; float → low-power LVDS. Pin 23 = GND → SDR; OVDD → DDR. |
| REFBUFEN (Pin 43) | Reference buffer enable | Pulled up internally to VDD; tie to GND to disable all REFOUTx buffers and allow external reference injection. |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous 4-channel sampling | Eliminates inter-channel timing skew (<500 ps aperture matching), critical for vector control and phase-resolved measurements. |
| Configurable digital interface | Hardware-selectable CMOS/LVDS and SDR/DDR modes reduce FPGA I/O resource usage and improve noise immunity in noisy environments. |
| Per-channel reference buffering | Four independent REFOUT pins allow isolated reference routing, minimizing crosstalk in multi-sensor or multi-axis systems. |
| Low-power operational states | Nap mode cuts power by >70% vs active; sleep mode draws only 20 µA - extends uptime in battery-backed DAQ or edge sensor nodes. |
| Robust input protection | Analog inputs tolerate –0.3 V to VDD + 0.3 V; internal clamps handle ±100 mA transient current without latch-up. |
Applications
| Multiphase Motor Control | Optical Network Monitoring |
|---|---|
|
Use Scenario: Real-time current and voltage sensing across three motor phases plus neutral or auxiliary winding in servo drives. IC Role / Device Role / Timing Role: Simultaneous sampling ADC capturing synchronized waveforms for field-oriented control (FOC) algorithms. Use Value: Sub-ns aperture matching ensures precise phase angle calculation; 78.5 dB SNR preserves resolution of low-current ripple components. |
Use Scenario: High-speed monitoring of laser bias current, photodiode output, and temperature sensors in DWDM transceivers. IC Role / Device Role / Timing Role: Quad-channel acquisition of analog telemetry signals with deterministic latency for closed-loop optical power stabilization. Use Value: 2 Msps/ch throughput enables oversampling for noise reduction; internal 4.096 V reference eliminates external precision reference cost and board space. |
| High-Speed Data Acquisition Systems | Communications Baseband Processing |
|
Use Scenario: Portable oscilloscopes, vibration analyzers, and power quality meters requiring compact, low-power multichannel digitization. IC Role / Device Role / Timing Role: Primary ADC engine delivering time-aligned samples to FPGA or DSP for FFT, harmonic analysis, and waveform reconstruction. Use Value: 52-lead QFN package enables dense layout; sleep mode supports battery operation with <1 µW average power during idle intervals. |
Use Scenario: I/Q sampling in software-defined radio (SDR) front ends, where baseband signals from quadrature mixers require synchronized digitization. IC Role / Device Role / Timing Role: Simultaneous digitization of I+, I−, Q+, Q− differential pairs to preserve phase coherence in complex signal processing. Use Value: LVDS interface reduces EMI and supports >100 MHz SCK rates; 12-bit + sign format directly supports signed complex number representation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8924BRGER | 12-bit, 2.5 Msps/ch, single-supply 3.3 V only, no integrated reference, CMOS-only interface. | Requires external reference and level-shifting for mixed-voltage systems; lacks LVDS option for noise-sensitive environments. | Preferred when higher sample rate and lower supply count outweigh need for integrated reference and differential I/O. |
| AD7606C-16 | 16-bit, 1 Msps/ch, ±5 V input range, parallel/serial interface, internal 2.5 V ref, 64-lead LQFP. | Higher resolution but slower speed; larger package increases PCB area; no LVDS support limits high-noise applications. | Chosen when resolution >12-bit is mandatory and system timing budget allows 1 Msps/ch sampling. |
Compared with ADS8924BRGER and AD7606C-16, the LTC2324CUKG-12#TRPBF uniquely balances 2 Msps simultaneous sampling, integrated 4.096 V reference, LVDS/CMOS flexibility, and compact 52-lead QFN - making it optimal for space-constrained, noise-immune, medium-resolution DAQ designs.
Availability
LTC2324CUKG-12#TRPBF is available at Aetrix Electronics and suitable for multiphase motor control, optical network monitoring, and high-speed data acquisition systems requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for LTC2324CUKG-12#TRPBF 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, serving industrial, automotive, communications, and healthcare markets.
The LTC2324CUKG-12#TRPBF belongs to Analog Devices' high-speed precision SAR ADC product line, designed specifically for applications demanding simultaneous multi-channel sampling, low latency, and integrated reference stability in harsh electrical environments.
FAQ
What is the operating temperature range for the LTC2324CUKG-12#TRPBF?
The LTC2324CUKG-12#TRPBF is specified for commercial-grade operation from 0°C to 70°C, as indicated by the "C" suffix in the part number. This grade is validated per the Absolute Maximum Ratings table and Electrical Characteristics test conditions, ensuring guaranteed performance including ±0.5 LSB INL and 78.5 dB SNR across the full range.
Does the LTC2324CUKG-12#TRPBF support both CMOS and LVDS digital interfaces?
Yes, the LTC2324CUKG-12#TRPBF supports both CMOS and LVDS serial interfaces via the CMOS/LVDS pin (Pin 25): grounding it enables CMOS mode (1.8 V/2.5 V OVDD); tying it to OVDD enables LVDS mode; floating selects low-power LVDS. Each mode supports SDR or DDR timing via the SDR/DDR pin (Pin 23).
How many reference outputs does the LTC2324CUKG-12#TRPBF provide, and can they be used independently?
The LTC2324CUKG-12#TRPBF provides four independent reference outputs - REFOUT1 through REFOUT4 (Pins 22, 9, 6, 45) - each nominally 4.096 V. They are buffered separately and may be used individually per ADC channel; all buffers are disabled together when REFBUFEN (Pin 43) is grounded for external reference use.
What power-saving modes does the LTC2324CUKG-12#TRPBF offer, and what are their typical current draws?
The LTC2324CUKG-12#TRPBF offers nap mode (5.3 mA total supply current) and sleep mode (20 µA total IVDD + IOVDD). Nap mode maintains reference and logic state while halting conversions; sleep mode powers down most circuitry, reducing dissipation to 288 µW at 5 V - verified in the Power Requirements section of the datasheet.
Is the LTC2324CUKG-12#TRPBF pin-compatible with other variants in the LTC2324 family?
Yes, the LTC2324CUKG-12#TRPBF shares identical 52-lead QFN (UKG) packaging and pinout with all temperature-grade variants (e.g., LTC2324IUKG-12#TRPBF, LTC2324HUKG-12#TRPBF), differing only in tested operating temperature range and screening - enabling drop-in replacement across grades without PCB redesign.
LTC2324CUKG-12#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 52-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- 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#TRPBF FAQ
1.How can I place an order for LTC2324CUKG-12#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2324CUKG-12#TRPBF 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#TRPBF reliable?
The price and inventory of LTC2324CUKG-12#TRPBF 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#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2324CUKG-12#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2324CUKG-12#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2324CUKG-12#TRPBF?
LTC2324CUKG-12#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2324CUKG-12#TRPBF 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#TRPBF?
For technical support, including LTC2324CUKG-12#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2324CUKG-12#TRPBF requirements.
6.How does Aetrix verify that LTC2324CUKG-12#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2324CUKG-12#TRPBF 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#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2324CUKG-12#TRPBF?
All LTC2324CUKG-12#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2324CUKG-12#TRPBF, 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#TRPBF part is unused and in its original packaging.
Return procedure for LTC2324CUKG-12#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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