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Analog Devices Inc. LTC2320IUKG-12#TRPBF
- Part No.:
- LTC2320IUKG-12#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 52-WFQFN Exposed Pad
- Datasheet:
-
LTC2320IUKG-12#TRPBF.pdf
- Description:
- IC ADC 12BIT SAR 52QFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,404
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Product details
Overview
LTC2320IUKG-12#TRPBF from Analog Devices is an octal, 12-bit + sign successive approximation register (SAR) ADC with simultaneous sampling across all eight differential input channels, 1.5 Msps per channel throughput, ±0.25 LSB typical INL, 77 dB SNR at 500 kHz input, and operation up to 125°C - deployed in high-speed motor control and optical networking data acquisition systems.
For engineers reviewing the LTC2320IUKG-12#TRPBF datasheet, LTC2320IUKG-12#TRPBF pinout, LTC2320IUKG-12#TRPBF application, or LTC2320IUKG-12#TRPBF equivalent, key selection considerations include guaranteed no missing codes at 12 bits, dual-mode CMOS/LVDS SPI-compatible serial interface, internal 4.096 V reference with 20 ppm/°C drift, 52-lead QFN package, and simultaneous sampling latency-free architecture.
Technical Context
The LTC2320IUKG-12#TRPBF implements a SAR conversion architecture with eight independent ADC cores sharing synchronized CNV control, enabling true simultaneous sampling across all channels without inter-channel skew. It supports both CMOS and LVDS digital I/O modes via the CMOS/LVDS pin, with SDR or DDR timing configurable via SDR/DDR pin.
Each channel features a dedicated 8 VP-P differential input range referenced to one of four internal 4.096 V reference buffers (REFOUT1–4), with wide common-mode input range (0 V to VDD) and 102 dB CMRR at 500 kHz. Internal reference output impedance is 0.25 Ω, and aperture jitter is 1 psRMS.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit + sign: delivers 13-bit signed output words (0x0000 to 0x1FFF for positive, 0x2000 to 0x3FFF for negative) with guaranteed no missing codes. |
| Sampling Rate | 1.5 Msps per channel: enables real-time capture of signals up to 55 MHz –3 dB input bandwidth with full 8-channel simultaneity. |
| Dynamic Performance | 77 dB SNR / –90 dB THD at fIN = 500 kHz: supports high-fidelity digitization in communications and imaging applications. |
| Reference | Internal 4.096 V ±0.4% (typ), 20 ppm/°C max drift: eliminates external reference need while maintaining accuracy over –40°C to 125°C. |
| Power Dissipation | 20 mW per channel (typ) at 1.5 Msps: achieves 162 mW total at 5 V supply, scalable to 355 µW in sleep mode. |
| Digital Interface | CMOS or LVDS SPI-compatible: supports 105 MHz SCK (SDR CMOS), 200 MHz SCK (DDR CMOS), or 300 MHz SCK (DDR LVDS) for FPGA interfacing. |
| Operating Temperature | –40°C to +125°C (I-grade): qualified for industrial and automotive under-hood environments without derating. |
Pinout & Package
52-lead (7 mm × 8 mm) QFN package with exposed thermal pad (Pin 53), RoHS-compliant and lead-free. Pin pitch is 0.5 mm. Package marked "LTC2320IUKG-12" and date code.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN1+ to AIN8+ | Differential analog input positive | Eight fully independent inputs; each pair (e.g., AIN1+/AIN1–) accepts ±4.096 V differential swing with 0 V to VDD common-mode range. |
| REFOUT1–4 | Internal reference buffer outputs | Four dedicated 4.096 V buffered references; each drives one ADC core group and requires local 10 µF decoupling. |
| CMOS/LVDS | I/O interface mode select | GND = CMOS mode; OVDD = LVDS mode; floating = low-power LVDS - determines voltage levels and termination requirements. |
| SDO1–SDO8 or SDOA±/SDOB±/SDOC±/SDOD± | Serial data outputs | Eight CMOS outputs (one per channel) or four LVDS differential pairs (two channels per pair); supports daisy-chain or parallel readout. |
| CNV | Convert initiation signal | Edge-triggered control: rising edge starts acquisition, falling edge initiates conversion and data readout - jitter < 1 psRMS critical for performance. |
Key Features
| Feature | Design Value |
|---|---|
| Simultaneous sampling across 8 channels | Zero inter-channel skew (<500 ps matching) enables precise phase analysis in multiphase motor control and beamforming. |
| Onboard 4.096 V reference with 20 ppm/°C drift | Eliminates external reference IC and associated layout complexity while maintaining ±0.25 LSB INL over full temperature range. |
| LVDS or CMOS serial interface | Reduces EMI and enables >200 MHz data rates over longer traces; LVDS mode consumes 26–34 mA OVDD current at 1.5 Msps. |
| Nap and sleep power modes | Reduces total supply current to 6.2 mA (nap) or 110 µA (sleep), enabling rapid wake-up (<50 ms REFOUT stabilization) for burst-mode acquisition. |
| 8 VP-P differential input with 102 dB CMRR | Rejects common-mode noise in noisy industrial environments (e.g., VFD-driven motor feedback) without external instrumentation amps. |
Applications
| Motor Phase Current Monitoring | Optical Network Signal Sampling |
|---|---|
|
Use Scenario: Real-time measurement of three-phase stator currents plus auxiliary sensors in servo drives operating at 20 kHz PWM switching frequency. IC Role / Device Role / Timing Role: Simultaneous 8-channel acquisition captures instantaneous current/voltage waveforms across all phases and DC bus, synchronized to PWM edge via CNV. Use Value: Enables field-oriented control (FOC) with <500 ps inter-channel timing alignment, preserving vector angle integrity at high speeds. |
Use Scenario: Digitizing multi-wavelength analog photodiode outputs in coherent optical transceivers with tight jitter budgets. IC Role / Device Role / Timing Role: High-SNR, low-THD sampling of low-level RF-modulated optical signals at IF frequencies up to 500 kHz. Use Value: 77 dB SNR and –90 dB THD preserve modulation fidelity for 64-QAM decoding; LVDS interface minimizes clock-induced crosstalk. |
| Remote Industrial Data Logger | High-Speed Imaging Sensor Interface |
|
Use Scenario: Battery-powered environmental sensor node acquiring thermocouple, strain gauge, and vibration data across eight channels in harsh outdoor conditions. IC Role / Device Role / Timing Role: Low-power simultaneous sampling with sleep mode (355 µW) extends battery life; internal reference avoids calibration drift. Use Value: Guaranteed operation to 125°C and no missing codes ensure reliable data capture during thermal transients without recalibration. |
Use Scenario: Capturing fast transient events from linear CCD or CMOS image sensors in industrial machine vision systems. IC Role / Device Role / Timing Role: 1.5 Msps/channel digitization of analog pixel outputs with minimal aperture jitter (1 psRMS) to prevent motion blur. Use Value: 55 MHz –3 dB input bandwidth supports >100 kLines/s line-scan imaging; 8-channel simultaneity enables multi-spectral frame capture. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7606C-16 | 16-bit resolution, 1 MSPS, internal 4.096 V reference, but only 60 dB SNR at 500 kHz and no LVDS option. | Better resolution for DC-precision applications; lower dynamic performance limits use in RF/communications. | Select AD7606C-16 when absolute accuracy > resolution matters more than SNR or interface flexibility. |
| ADS8688IPWR | 8-channel, 16-bit, 1 MSPS, SPI interface only (no LVDS), integrated PGA (±10.24 V range), but 72 dB SNR and 100 ppm/°C ref drift. | Integrated programmable gain simplifies front-end design for varying sensor ranges; higher drift limits high-temp stability. | Select ADS8688IPWR when variable input scaling is required and thermal drift can be managed via calibration. |
Compared with AD7606C-16 and ADS8688IPWR, the LTC2320IUKG-12#TRPBF uniquely balances high-speed simultaneity (1.5 Msps), low-noise performance (77 dB SNR), LVDS/CMOS interface adaptability, and ultra-stable reference (20 ppm/°C) - making it optimal for time-critical, multi-channel RF and motor control systems where phase coherence and jitter immunity are non-negotiable.
Availability
LTC2320IUKG-12#TRPBF is available at Aetrix Electronics and suitable for high-speed data acquisition, optical networking, and multiphase motor control requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC2320IUKG-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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.
The LTC2320 family was designed specifically for demanding simultaneous-sampling applications requiring high throughput, low latency, and exceptional dynamic performance - targeting motor control, test equipment, and optical infrastructure.
FAQ
What is the maximum sample rate per channel for the LTC2320IUKG-12#TRPBF?
The LTC2320IUKG-12#TRPBF achieves a guaranteed 1.5 Msps per channel with full 8-channel simultaneous sampling. This rate is maintained across the full operating temperature range (–40°C to 125°C) and supports both CMOS and LVDS interface modes without performance degradation.
Does the LTC2320IUKG-12#TRPBF require an external reference?
No, the LTC2320IUKG-12#TRPBF integrates four precision 4.096 V reference buffers (REFOUT1–4) with 20 ppm/°C max drift and 0.25 Ω output impedance. External reference is optional and only needed if a different voltage (1.25 V to VDD − 0.4 V) or higher accuracy is required - enabled by grounding REFBUFEN.
How does the CNV pin function in the LTC2320IUKG-12#TRPBF?
In the LTC2320IUKG-12#TRPBF, the CNV pin controls acquisition and conversion timing: a rising edge initiates the sampling aperture, and a falling edge triggers conversion start and serial data output. Its low-jitter requirement (<1 psRMS) ensures inter-channel timing alignment remains within 500 ps.
What package type and pin count does the LTC2320IUKG-12#TRPBF use?
The LTC2320IUKG-12#TRPBF uses a 52-lead QFN package measuring 7 mm × 8 mm with 0.5 mm pitch and an exposed thermal pad (Pin 53). It is RoHS-compliant, lead-free, and marked "LTC2320IUKG-12" with date code - identical to the package used across the LTC2320-12 family.
Can the LTC2320IUKG-12#TRPBF operate with a 3.3 V supply?
Yes, the LTC2320IUKG-12#TRPBF supports dual supply operation: VDD may be either 3.3 V (3.13 V to 3.47 V) or 5 V (4.75 V to 5.25 V). At 3.3 V, typical power dissipation is 102 mW (1.5 Msps), and internal reference outputs 2.048 V (±0.7%) with same 20 ppm/°C drift specification.
LTC2320IUKG-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):
- 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-12#TRPBF FAQ
1.How can I place an order for LTC2320IUKG-12#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2320IUKG-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 LTC2320IUKG-12#TRPBF reliable?
The price and inventory of LTC2320IUKG-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 LTC2320IUKG-12#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2320IUKG-12#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2320IUKG-12#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2320IUKG-12#TRPBF?
LTC2320IUKG-12#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2320IUKG-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 LTC2320IUKG-12#TRPBF?
For technical support, including LTC2320IUKG-12#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2320IUKG-12#TRPBF requirements.
6.How does Aetrix verify that LTC2320IUKG-12#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2320IUKG-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 LTC2320IUKG-12#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2320IUKG-12#TRPBF?
All LTC2320IUKG-12#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2320IUKG-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 LTC2320IUKG-12#TRPBF part is unused and in its original packaging.
Return procedure for LTC2320IUKG-12#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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