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Analog Devices Inc. LTC2320IUKG-16#PBF
- Part No.:
- LTC2320IUKG-16#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 52-WFQFN Exposed Pad
- Datasheet:
-
LTC2320IUKG-16#PBF.pdf
- Description:
- IC ADC 16BIT SAR 52QFN
- Quantity:
- Payment:
- Shipping:
Inventory:336
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Product details
Overview
LTC2320IUKG-16#PBF from Analog Devices (formerly Linear Technology) is an octal, 16-bit, 1.5 Msps/channel simultaneous-sampling SAR ADC with differential inputs, internal 4.096 V reference, ±2 LSB INL typical, and 82 dB SNR at 500 kHz. It operates from single 3.3 V or 5 V supply and delivers no missing codes over temperature, targeting high-fidelity data acquisition in multiphase motor control and optical networking.
For engineers reviewing the LTC2320IUKG-16#PBF datasheet, LTC2320IUKG-16#PBF pinout, LTC2320IUKG-16#PBF application, or LTC2320IUKG-16#PBF equivalent, key selection criteria include guaranteed 16-bit no-missing-codes operation across –40°C to +85°C, simultaneous sampling of eight channels with <500 ps aperture delay matching, LVDS/CMOS dual-mode serial interface, and integrated low-drift reference buffer support for multi-core synchronization.
Technical Context
The LTC2320IUKG-16#PBF implements eight independent SAR ADC cores sharing a common CNV timing signal to ensure true simultaneous sampling. Each core features fully differential input stages with 8 VP-P range and >102 dB CMRR at 500 kHz, enabling high common-mode rejection in noisy industrial environments.
Its digital interface supports configurable SDR/DDR clocking and selectable CMOS (1.8 V–2.5 V) or LVDS (2.5 V) I/O modes via dedicated control pins (CMOS/LVDS, SDR/DDR), with CLKOUT providing skew-matched output for FPGA capture. Internal reference buffers (REFOUT1–4) are independently decoupled and disableable via REFBUFEN for external reference use.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - guarantees full 65,536-code dynamic range with monotonic transfer function |
| Sampling Rate | 1.5 Msps per channel - enables real-time capture of signals up to ~750 kHz Nyquist bandwidth |
| INL | ±2 LSB typical - ensures accurate amplitude fidelity and minimal harmonic distortion in precision measurement |
| SNR | 82 dB at fIN = 500 kHz - supports >13.3 effective bits for high-resolution sensor and instrumentation applications |
| Aperture Matching | <500 ps - maintains phase coherence across all eight channels for vector analysis and power quality monitoring |
| Reference | Internal 4.096 V ±20 ppm/°C - eliminates need for external reference and reduces BOM count in space-constrained designs |
| Power Dissipation | 20 mW per channel at 1.5 Msps - enables thermally efficient high-channel-count systems without forced cooling |
Pinout & Package
Package: 52-lead (7 mm × 8 mm) plastic QFN 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 AIN8+ / AIN8– (Pins 1–2, 4–5, 10–11, 13–14, 16–17, 19–20, 47–48, 50–51) | Eight differential analog input pairs | Each pair accepts ±REFOUTx differential voltage; full-scale range set by corresponding REFOUT pin (1–4); supports true bipolar/unipolar operation |
| REFOUT1–REFOUT4 (Pins 22, 9, 6, 45) | Independent reference buffer outputs | Nominally 4.096 V; each drives one or two ADC cores; decoupling with 10 µF X5R ceramic required per pin |
| REFBUFEN (Pin 43) | Reference buffer enable | Tie to VDD to activate internal buffers; ground to disable and allow external reference injection on REFOUTx pins |
| CMOS/LVDS (Pin 25) | I/O interface mode select | GND = CMOS (1.8 V/2.5 V); OVDD = LVDS; float = low-power LVDS - configures all SDO/CLKOUT pins simultaneously |
| SDO1–SDO8 (Pins 27–30, 35–36, 39–40) or SDOA±–SDOC± (Pins 27–28, 29–30, 35–36) | Serial data outputs | CMOS mode: eight independent SDOs (16-bit/ch, MSB-first); LVDS mode: three differential pairs (CH1/2, CH3/4, CH5/6) plus SDO7/SDO8 as CMOS or unused |
| CLKOUT / CLKOUT± (Pin 33 / Pins 33–34) | Skew-matched output clock | Provides deterministic delay-matched clock for synchronous latching at FPGA; LVDS version requires 100 Ω differential termination |
| CNV (Pin 24) | Convert initiation input | Edge-triggered; rising edge starts conversion; must be driven with low-jitter OVDD-level signal for sub-500 ps channel-to-channel timing alignment |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous sampling across 8 channels | Guarantees coherent time-domain capture for FFT-based analysis, power metering, and phase-resolved diagnostics |
| Onboard 4.096 V reference with 20 ppm/°C drift | Enables system-level accuracy without external trimming or calibration over –40°C to +85°C operating range |
| LVDS or CMOS serial interface with SDR/DDR support | Reduces EMI and timing margin risk in high-speed digital interconnects while maintaining FPGA compatibility across voltage domains |
| Per-channel power management (nap/sleep modes) | Lowers idle power to 26 µW total, extending uptime in battery-backed or energy-harvested monitoring nodes |
| True differential inputs with 8 VP-P range and wide common-mode | Accepts signals from ±4 V to 0–8 V common-mode, simplifying front-end design for isolated transducers and current shunts |
Applications
| High-Speed Power Quality Monitoring | Multiphase Motor Control Feedback |
|---|---|
Use Scenario: Real-time analysis of voltage/current harmonics, flicker, and unbalance in 3-phase industrial grids using synchronized 8-channel acquisition. IC Role / Device Role / Timing Role: LTC2320IUKG-16#PBF provides simultaneous sampling of all phase voltages and currents with <500 ps channel alignment, enabling precise phasor calculation and IEEE 519-compliant THD measurement. Use Value: 82 dB SNR and ±2 LSB INL ensure accurate harmonic magnitude detection down to –90 dBc, critical for compliance reporting and predictive maintenance. | Use Scenario: Closed-loop field-oriented control (FOC) of PMSM/BLDC motors requiring synchronized current sensing across U/V/W phases and DC bus. IC Role / Device Role / Timing Role: LTC2320IUKG-16#PBF captures six current channels (3 shunt + 3 DC bus) plus auxiliary voltages in one sample window, eliminating phase skew in torque estimation. Use Value: 1.5 Msps/channel throughput supports >20 kHz PWM switching frequencies with sufficient oversampling for high-bandwidth current regulators. |
| Optical Network Line Card Diagnostics | High-Density Data Acquisition Systems |
Use Scenario: Monitoring bias currents, photodiode outputs, and temperature sensors across multiple transceivers in 100G/400G coherent line cards. IC Role / Device Role / Timing Role: LTC2320IUKG-16#PBF digitizes up to eight analog telemetry channels per ASIC, synchronized to system timing for correlated fault isolation. Use Value: Integrated 4.096 V reference and low 20 mW/channel dissipation reduce thermal load and layout complexity in air-cooled pluggable modules. | Use Scenario: Modular test equipment with hot-swappable analog input cards supporting mixed-signal validation of RF, power, and sensor subsystems. IC Role / Device Role / Timing Role: LTC2320IUKG-16#PBF serves as the front-end ADC engine in 8-channel digitizer cards, interfacing directly to FPGAs via LVDS DDR for 128 Mbps aggregate throughput. Use Value: CMOS/LVDS mode flexibility allows reuse of same PCB layout across cost-sensitive (CMOS) and performance-critical (LVDS) product variants. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal, 16-bit, simultaneous-sampling ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7606C-16 | 16-bit, 1 Msps/channel, internal 4.096 V reference, ±0.5 LSB INL max, parallel/serial interface, 68-lead LQFP | Lower throughput and tighter INL spec; lacks LVDS option and true 8-channel simultaneity (uses internal mux for CH7/CH8) | Preferred where absolute linearity trumps speed and board space permits larger package |
| ADS8688IPWR | 16-bit, 500 ksps/channel, internal 4.096 V reference, ±1.5 LSB INL max, SPI-only, 64-pin TQFP | Half the sampling rate; no LVDS; lower power (12 mW/ch); includes programmable input ranges and alarm outputs | Selected for lower-cost, lower-speed industrial PLC I/O modules needing flexible analog input scaling |
Compared with AD7606C-16 and ADS8688IPWR, the LTC2320IUKG-16#PBF uniquely delivers 1.5 Msps simultaneous sampling across all eight channels with LVDS interface support and superior SNR (82 dB vs ≤79 dB), making it optimal for high-fidelity, time-coherent applications where phase integrity and wideband dynamic range are non-negotiable.
Availability
LTC2320IUKG-16#PBF is available at Aetrix Electronics and suitable for high-speed power quality monitoring, multiphase motor control feedback, and optical network line card diagnostics requiring stable component supply across extended temperature ranges.
Supply support for LTC2320IUKG-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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC2320 family was designed by Analog Devices to address demand for high-channel-count, simultaneous-sampling ADCs with integrated references and low-power, high-speed digital interfaces for next-generation test equipment and energy infrastructure systems.
FAQ
What is the operating temperature range of the LTC2320IUKG-16#PBF?
The LTC2320IUKG-16#PBF is rated for operation from –40°C to +85°C, meeting industrial-grade reliability requirements. This is confirmed by the "I" grade designation in the part number and specified in the Absolute Maximum Ratings table, where LTC2320I corresponds explicitly to the –40°C to 85°C range.
Does the LTC2320IUKG-16#PBF require an external reference?
No, the LTC2320IUKG-16#PBF includes an onboard low-drift 4.096 V temperature-compensated reference buffer with ≤20 ppm/°C drift. REFOUT1–4 pins provide buffered outputs; REFBUFEN (Pin 43) can disable them if an external reference is preferred, but it is not required for standard operation.
How many analog input channels does the LTC2320IUKG-16#PBF support, and are they truly simultaneous?
The LTC2320IUKG-16#PBF supports eight fully differential analog input channels (AIN1± through AIN8±) with true simultaneous sampling. All conversions begin on the same CNV edge, and aperture delay matching is guaranteed at <500 ps, ensuring phase-coherent acquisition essential for vector measurements and power analysis.
What digital interface options does the LTC2320IUKG-16#PBF support?
The LTC2320IUKG-16#PBF supports both CMOS and LVDS serial 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 flexible FPGA or processor interfacing with timing margins optimized for either voltage domain or speed.
What is the power consumption of the LTC2320IUKG-16#PBF at full speed?
At 1.5 Msps per channel with 5 V supply and CMOS I/O mode, the LTC2320IUKG-16#PBF dissipates 162 mW total (20 mW per channel typical). In LVDS mode, total power rises to 214 mW due to higher OVDD current. Nap and sleep modes reduce consumption to 27 mW and 30 µW respectively, preserving energy during idle periods.
LTC2320IUKG-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):
- 1.5M
- Number of Inputs:
- 8
- Input Type:
- Differential
- Data Interface:
- LVDS - Parallel, SPI
- Configuration:
- S/H-MUX-ADC
- Ratio - S/H:ADC:
- 2:1
- 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:
- -
LTC2320IUKG-16#PBF FAQ
1.How can I place an order for LTC2320IUKG-16#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2320IUKG-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 LTC2320IUKG-16#PBF reliable?
The price and inventory of LTC2320IUKG-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 LTC2320IUKG-16#PBF is usually 5 days.
3.What payment methods are accepted for LTC2320IUKG-16#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2320IUKG-16#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2320IUKG-16#PBF?
LTC2320IUKG-16#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2320IUKG-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 LTC2320IUKG-16#PBF?
For technical support, including LTC2320IUKG-16#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2320IUKG-16#PBF requirements.
6.How does Aetrix verify that LTC2320IUKG-16#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2320IUKG-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 LTC2320IUKG-16#PBF meets industry standards.
7.What is the process for return or replacement of LTC2320IUKG-16#PBF?
All LTC2320IUKG-16#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2320IUKG-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 LTC2320IUKG-16#PBF part is unused and in its original packaging.
Return procedure for LTC2320IUKG-16#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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