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Analog Devices Inc. LTC2324HUKG-12#TRPBF
- Part No.:
- LTC2324HUKG-12#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 52-WFQFN Exposed Pad
- Datasheet:
-
LTC2324HUKG-12#TRPBF.pdf
- Description:
- IC ADC 12BIT SAR 52QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,986
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Product details
Overview
LTC2324HUKG-12#TRPBF from Analog Devices is a quad, 12-bit + sign successive approximation register (SAR) analog-to-digital converter with simultaneous sampling across all four channels, 2 Msps per channel throughput, ±0.5 LSB typical INL, 78.5 dB SNR at 500 kHz input, and operation up to 125°C ambient. It serves as a high-speed, low-latency ADC in multichannel data acquisition systems requiring precise phase-coherent sampling.
For engineers reviewing the LTC2324HUKG-12#TRPBF datasheet, LTC2324HUKG-12#TRPBF pinout, LTC2324HUKG-12#TRPBF application, or LTC2324HUKG-12#TRPBF equivalent, key selection criteria include guaranteed 12-bit no-missing-codes performance, differential input common-mode range up to VDD, internal 4.096 V reference with ≤20 ppm/°C drift, LVDS/CMOS serial interface flexibility, and thermal robustness for industrial and automotive environments.
Technical Context
The LTC2324HUKG-12#TRPBF integrates four independent SAR ADC cores sharing a single high-stability internal reference buffer system, enabling true simultaneous sampling with aperture delay matching ≤500 ps. Its architecture supports both CMOS and LVDS I/O modes via dedicated mode-select pins, with configurable SDR/DDR serialization and skew-matched CLKOUT for FPGA interfacing.
It operates from a single 3.3 V or 5 V analog supply (VDD) and a separate 1.71–2.63 V digital I/O supply (OVDD), delivering 40 mW/channel typical power at full 2 Msps rate while supporting nap (6.4 mA) and sleep (20 µA) modes. The device features four independent reference outputs (REFOUT1–4), each configurable for internal 4.096 V or external reference use via REFBUFEN control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit + sign: delivers 13-bit output code format (1 sign + 12 data bits) for bipolar signal capture without external level-shifting. |
| Sampling Rate | 2 Msps per channel, simultaneous: enables real-time capture of four synchronized waveforms at Nyquist frequency up to 1 MHz. |
| INL | ±0.5 LSB typical: ensures monotonicity and <0.012% full-scale linearity error for precision measurement applications. |
| SNR | 78.5 dB at fIN = 500 kHz: corresponds to effective resolution >12.7 bits, critical for dynamic signal fidelity in communications and instrumentation. |
| Operating Temperature | –40°C to +125°C: qualified for under-hood automotive, industrial motor control, and harsh-environment test equipment. |
| Reference | Internal 4.096 V ±0.5 LSB FSE, ≤20 ppm/°C drift: eliminates need for external reference IC while maintaining accuracy over full temperature range. |
| Power Dissipation | 40 mW/channel at 2 Msps (5 V); 26 µW in sleep mode: balances high-speed performance with ultra-low-power idle states for duty-cycled systems. |
Pinout & Package
Package: 52-lead (7 mm × 8 mm) plastic QFN with exposed 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 input range with 0 V to VDD common-mode; support direct connection to transformer-coupled or op-amp buffered sensors. |
| REFOUT1–4 (Pins 6, 9, 22, 45) | Independent reference outputs | Each drives one ADC core; can be disabled via REFBUFEN to accept external reference (1.25–5 V), enabling multi-rail or precision external reference use. |
| SDO1–4 / SDOA±–SDOD± (Pins 27–28, 29–30, 35–36, 39–40) | Serial data outputs (CMOS or LVDS) | Configurable per-channel output: CMOS mode uses single-ended SDOx; LVDS mode uses differential pairs (e.g., SDOA+/–) for noise-immune high-speed FPGA interfacing. |
| SCK / SCK± (Pin 41 / Pins 41–42) | Serial clock input | Accepts CMOS-level or differential LVDS clock; timing determines data rate-supports up to 110 MHz SCK in CMOS SDR mode. |
| CNV (Pin 24) | Convert trigger input | Edge-triggered sampling control: rising edge initiates acquisition; falling edge starts conversion and releases data-enables precise inter-channel synchronization. |
| CMOS/LVDS (Pin 25) & SDR/DDR (Pin 23) | I/O interface mode selectors | Hardware-configured logic levels: CMOS/LVDS = GND → CMOS; = OVDD → LVDS; SDR/DDR = GND → SDR; = OVDD → DDR-no software configuration required. |
Key Features
| Feature | Design Value |
|---|---|
| Four simultaneously sampled channels | Eliminates inter-channel skew in multiphase motor current sensing or vibration analysis where phase coherence is mandatory. |
| Onboard 4.096 V reference with ≤20 ppm/°C drift | Reduces BOM count and layout complexity versus discrete reference + buffer solutions while meeting ±0.005% gain stability over –40°C to +125°C. |
| LVDS or CMOS serial interface with SDR/DDR support | Enables interoperability with Xilinx/Intel FPGAs using either standard CMOS I/O banks or high-speed transceivers-no level-shifter needed. |
| True differential inputs with 102 dB CMRR at 500 kHz | Rejects common-mode noise from switching power supplies or EMI in industrial PLCs and motor drives without external instrumentation amplifiers. |
| Nap and sleep power modes | Reduces system standby power by >99.9% (to 26 µW), enabling always-on monitoring in battery-backed condition-based maintenance systems. |
Applications
| High-Speed Data Acquisition | Optical Networking |
|---|---|
|
Use Scenario: Real-time digitization of four synchronized sensor signals (e.g., strain gauges, accelerometers) in structural health monitoring systems. IC Role / Device Role / Timing Role: Simultaneous-sampling ADC capturing phase-aligned waveforms at 2 Msps per channel with <500 ps inter-channel aperture jitter. Use Value: Enables accurate FFT-based spectral analysis of mechanical resonance without interpolation artifacts caused by sampling skew. |
Use Scenario: Monitoring forward/backward optical power and bias currents across four parallel transceiver lanes in 100G coherent modules. IC Role / Device Role / Timing Role: Quad-channel ADC digitizing analog monitor outputs with 78.5 dB SNR to resolve sub-millivolt variations in photodiode currents. Use Value: Supports closed-loop laser bias control with <0.1% gain stability over temperature, improving BER margin in dense wavelength division multiplexing. |
| Multiphase Motor Control | Communications Test Equipment |
|
Use Scenario: Sampling three-phase current and DC-link voltage in servo drives for field-oriented control (FOC) algorithms. IC Role / Device Role / Timing Role: Simultaneous acquisition of Ia, Ib, Ic, and Vdc with 12-bit + sign resolution and no missing codes across full operating range. Use Value: Enables precise torque ripple suppression and harmonic injection by eliminating sampling-induced phase errors in Clarke/Park transforms. |
Use Scenario: Digitizing RF envelope and baseband I/Q signals in vector signal analyzers for 5G NR modulation analysis. IC Role / Device Role / Timing Role: High-SNR ADC front-end with 55 MHz –3 dB input bandwidth and 1 ps RMS aperture jitter for clean wideband signal capture. Use Value: Achieves >95 dB SFDR, allowing detection of low-level adjacent-channel leakage and spurious emissions per 3GPP conformance testing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad-channel, high-speed SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7606C-16 (Analog Devices) | 16-bit resolution, 1 Msps/ch, parallel/serial interface, integrated PGA, ±10 V input range | Better resolution and built-in programmable gain for low-level sensor signals; lower speed and larger 64-lead LQFP package | Select when higher resolution and on-chip gain are prioritized over sampling speed and board space. |
| ADS8684 (Texas Instruments) | 16-bit, 500 ksps/ch, SPI interface only, internal 4.096 V reference, ±10.24 V input range | Lower power (25 mW/ch), smaller 32-pin VQFN, but half the throughput and no LVDS option | Select for cost-sensitive, space-constrained industrial PLCs where 500 ksps suffices and LVDS noise immunity is not required. |
Compared with AD7606C-16 and ADS8684, the LTC2324HUKG-12#TRPBF uniquely delivers 2 Msps simultaneous sampling in a compact QFN with LVDS capability and 125°C rating-making it optimal for thermally demanding, high-bandwidth applications where timing coherence and interface flexibility are critical.
Availability
LTC2324HUKG-12#TRPBF is available at Aetrix Electronics and suitable for high-speed data acquisition systems, optical networking monitoring modules, and multiphase motor control designs requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for LTC2324HUKG-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 LTC2324 family is designed for precision, high-speed multichannel data acquisition in thermally demanding environments-emphasizing simultaneous sampling integrity, low power in active/idle states, and flexible digital interfacing for FPGA-based systems.
FAQ
What is the maximum operating temperature for the LTC2324HUKG-12#TRPBF?
The LTC2324HUKG-12#TRPBF is rated for operation from –40°C to +125°C ambient temperature, qualifying it for under-hood automotive applications, industrial motor drives, and high-temperature test equipment. This H-grade specification is confirmed in the Absolute Maximum Ratings table and applies across all electrical parameters unless otherwise noted.
Does the LTC2324HUKG-12#TRPBF require an external reference?
No, the LTC2324HUKG-12#TRPBF includes an onboard low-drift 4.096 V reference with ≤20 ppm/°C temperature coefficient, fully usable across its –40°C to +125°C range. External references may be applied via REFOUT1–4 pins only when REFBUFEN is grounded, but the internal reference meets all specified performance metrics without external components.
How many pins does the LTC2324HUKG-12#TRPBF use for analog inputs?
The LTC2324HUKG-12#TRPBF uses eight dedicated analog input pins: AIN1+ and AIN1– (Pins 13–14), AIN2+ and AIN2– (Pins 10–11), AIN3+ and AIN3– (Pins 4–5), and AIN4+ and AIN4– (Pins 1–2), supporting four fully differential input channels with independent full-scale ranges.
Can the LTC2324HUKG-12#TRPBF interface directly with an FPGA using LVDS?
Yes, the LTC2324HUKG-12#TRPBF supports native LVDS signaling: set CMOS/LVDS = OVDD and terminate SDOA±–SDOD± and CLKOUT± with 100 Ω differential resistors at the FPGA receiver. It delivers 220–350 mV differential output swing at 2.5 V OVDD, compliant with ANSI TIA/EIA-644-A LVDS standards.
What power-saving modes does the LTC2324HUKG-12#TRPBF support?
The LTC2324HUKG-12#TRPBF offers two low-power states: Nap mode (5.3–6.4 mA total supply current) after conversion completion, and Sleep mode (20–90 µA total) for extended idle periods. Both modes retain register settings and reference state, enabling fast wake-up (<50 ms REFOUT wake-up time) without reinitialization.
LTC2324HUKG-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:
- -40°C ~ 125°C
- Supplier Device Package:
- 52-QFN (7x8)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2324HUKG-12#TRPBF FAQ
1.How can I place an order for LTC2324HUKG-12#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2324HUKG-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 LTC2324HUKG-12#TRPBF reliable?
The price and inventory of LTC2324HUKG-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 LTC2324HUKG-12#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2324HUKG-12#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2324HUKG-12#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2324HUKG-12#TRPBF?
LTC2324HUKG-12#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2324HUKG-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 LTC2324HUKG-12#TRPBF?
For technical support, including LTC2324HUKG-12#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2324HUKG-12#TRPBF requirements.
6.How does Aetrix verify that LTC2324HUKG-12#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2324HUKG-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 LTC2324HUKG-12#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2324HUKG-12#TRPBF?
All LTC2324HUKG-12#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2324HUKG-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 LTC2324HUKG-12#TRPBF part is unused and in its original packaging.
Return procedure for LTC2324HUKG-12#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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