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Analog Devices Inc. LTC2382CMS-16#TRPBF
- Part No.:
- LTC2382CMS-16#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2382CMS-16#TRPBF.pdf
- Description:
- IC ADC 16BIT SAR 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,559
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Product details
Overview
LTC2382CMS-16#TRPBF from Analog Devices (formerly Linear Technology) is a 16-bit, 500ksps successive approximation register (SAR) analog-to-digital converter with fully differential ±2.5V input range, 92dB SNR at 20kHz, ±2LSB INL max, and 6.5mW power consumption at full speed. It operates from a single 2.5V VDD supply, features SPI-compatible serial interface with daisy-chain mode, and is used in high-speed data acquisition systems requiring low latency and high DC/AC accuracy.
For engineers reviewing the LTC2382CMS-16#TRPBF datasheet, LTC2382CMS-16#TRPBF pinout, LTC2382CMS-16#TRPBF application, or LTC2382CMS-16#TRPBF equivalent, key selection criteria include guaranteed 16-bit no-missing-codes operation, extended 1.25µs acquisition time enabling ultra-low-power ADC drivers, internal conversion clock eliminating external timing constraints, and support for 1.8V–5V I/O logic levels across temperature ranges up to 125°C.
Technical Context
The LTC2382CMS-16#TRPBF implements a proprietary sampling architecture that allows acquisition of the next sample during the current conversion cycle, achieving zero cycle latency and enabling continuous 500ksps throughput without pipeline delay. Its differential SAR core uses a 16-bit CDAC and high-precision comparator referenced to an external 2.5V source, delivering bipolar 2's complement output codes with ±2LSB integral linearity over temperature.
Timing is governed by an internal oscillator, with CNV rising edge initiating conversion and BUSY indicating active conversion. The serial interface supports MSB-first SPI readout via SDO, with RDL/SDI functioning as bus enable (CHAIN = low) or daisy-chain input (CHAIN = high), and SCK tolerating 100MHz maximum frequency under specified load conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - guarantees full 65,536 code resolution with no missing codes across all operating conditions. |
| Sampling Rate | 500ksps - enables real-time capture of signals up to 250kHz Nyquist bandwidth with deterministic timing. |
| SNR | 92dB (typ) at fIN = 20kHz - ensures >15 effective bits of dynamic range for precision measurement applications. |
| INL | ±2LSB (max) - limits end-point nonlinearity error to <0.03% FSR, critical for calibration-sensitive instrumentation. |
| Power Dissipation | 6.5mW at 500ksps - reduces thermal load and simplifies thermal design in compact, battery-powered systems. |
| Acquisition Time | 1.25µs - permits use of low-power, low-bandwidth ADC drivers (e.g., LT6350) without settling errors. |
| Input Range | ±2.5V fully differential - supports high-voltage industrial sensor interfaces while rejecting common-mode noise. |
Pinout & Package
Package: 16-lead MSOP (4mm × 5mm), RoHS-compliant, lead-free finish. Exposed pad not present in MSOP variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CHAIN (1) | Mode control input | Selects Normal Mode (RDL/SDI = bus enable) or Daisy-Chain Mode (RDL/SDI = serial data input); determines serial interface topology. |
| VDD (2) | Digital core supply | 2.5V ±62.5mV supply for ADC logic and CDAC; requires 10µF ceramic bypass to GND for stable conversion timing. |
| GND (3,6,10,16) | Analog/digital ground reference | Four dedicated ground pins minimize ground bounce and separate analog/digital return paths for optimal SNR. |
| IN+, IN– (4,5) | Differential analog inputs | Accept ±2.5V differential signal; input capacitance 45pF (sample), 5pF (hold); require matched drive for CMRR >70dB. |
| REF, REF (7,8) | Reference voltage inputs | Accept 2.4V–2.6V external reference; draw up to 495µA at 500ksps; require 47µF X5R ceramic decoupling. |
| CNV (9) | Conversion trigger | Rising-edge initiates conversion; high state enables auto power-down between conversions to reduce idle current. |
| BUSY (11) | Conversion status indicator | Active-high open-drain output signaling conversion in progress; used for hardware handshaking or interrupt generation. |
| RDL/SDI (12) | Serial interface control/data | In Normal Mode: enables/disables SDO tri-state; in Chain Mode: accepts serial data from upstream ADC in daisy chain. |
| SCK (13) | Serial clock input | Accepts 10ns min pulse width (100MHz max); clocks out 16-bit result on rising edges; timing validated at 1.71V–5.25V OVDD. |
| SDO (14) | Serial data output | MSB-first 2's complement output; valid within 9.5ns of SCK↑; supports daisy-chain readout when CHAIN = high. |
| OVDD (15) | I/O interface supply | 1.71V–5.25V logic-level supply for SCK/RDL/SDI/SDO; enables direct interfacing with 1.8V/2.5V/3.3V/5V host processors. |
Key Features
| Feature | Design Value |
|---|---|
| No pipeline delay / zero cycle latency | Enables deterministic real-time control loops and eliminates buffer memory requirements for streaming applications. |
| Extended 1.25µs acquisition time | Reduces required driver bandwidth and quiescent current-enables use of sub-10mA rail-to-rail op-amps like LT6350. |
| Internal conversion clock | Removes need for external clock generator or PLL; simplifies PCB layout and improves jitter immunity in noisy environments. |
| Auto power-down between conversions | Reduces average power to 13µW at 1ksps-critical for battery-operated portable instrumentation with burst-sampling duty cycles. |
| Guaranteed operation to 125°C | Validated performance across full H-grade temperature range-supports deployment in industrial process control and automotive under-hood sensing. |
Applications
| Medical Imaging Signal Acquisition | High-Speed Industrial Data Logging |
|---|---|
Use Scenario: Digitizing ultrasound transducer outputs or MRI gradient coil feedback in portable diagnostic equipment. IC Role / Device Role / Timing Role: Primary SAR ADC capturing 16-bit waveform data at 500ksps with minimal latency for real-time beamforming. Use Value: 92dB SNR and ±2LSB INL preserve diagnostic image fidelity; 1.25µs acquisition time allows integration with low-power, low-noise front-end amplifiers. |
Use Scenario: Capturing vibration, pressure, and temperature sensor streams in factory-floor PLCs and predictive maintenance gateways. IC Role / Device Role / Timing Role: High-accuracy analog front-end ADC interfacing directly to isolated sensor conditioners and microcontroller SPI peripherals. Use Value: Fully differential ±2.5V input rejects EMI in electrically noisy plant environments; 125°C rating ensures reliability near motors and drives. |
| Portable Test & Measurement Equipment | Automated Test Equipment (ATE) |
Use Scenario: Handheld oscilloscopes, multimeters, and spectrum analyzers requiring battery life >8 hours and sub-0.1% measurement accuracy. IC Role / Device Role / Timing Role: Core digitizer in multi-channel signal acquisition subsystem, synchronized via CNV to external trigger sources. Use Value: 6.5mW power at full speed extends runtime; daisy-chain mode enables scalable channel count without additional SPI chip selects. |
Use Scenario: Pin electronics in semiconductor test handlers performing parametric measurements on ICs at production speeds. IC Role / Device Role / Timing Role: Precision DC/AC characterization ADC for voltage/current sourcing and measurement units (SMUs). Use Value: Guaranteed no-missing-codes and ±2LSB INL ensure metrology-grade pass/fail decisions; 500ksps rate supports fast device screening. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7960BCPZ-RL7 | 18-bit, 5MSPS, 1.8V/5V dual-supply, no internal clock, requires external master clock and reference buffer. | Higher resolution/speed but higher power (45mW), larger package (32-lead LFCSP), and more complex timing design. | Choose AD7960 for applications needing >16-bit resolution and >500ksps throughput where board space and power budget allow. |
| ADS8860IDRCT | 16-bit, 1MSPS, single 2.5V supply, 91.5dB SNR, 1.1µs acquisition, SPI interface with busy indicator. | Lower power (3.5mW), smaller DRC package (10-pin WSON), but limited to 0°C–70°C and lacks daisy-chain mode. | Choose ADS8860 for cost-sensitive, space-constrained portable designs operating only in commercial temperature range. |
Compared with AD7960BCPZ-RL7 and ADS8860IDRCT, the LTC2382CMS-16#TRPBF uniquely balances 500ksps throughput, 92dB SNR, 125°C operation, and integrated clocking in a standard MSOP-making it optimal for ruggedized industrial and medical systems where timing simplicity and thermal robustness are prioritized over raw speed or ultra-low power.
Availability
LTC2382CMS-16#TRPBF is available at Aetrix Electronics and suitable for high-speed data acquisition, portable instrumentation, and industrial process control requiring stable component supply, long-term lifecycle support, and guaranteed RoHS-compliant manufacturing.
Supply support for LTC2382CMS-16#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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, formed through the acquisition of Linear Technology in 2017.
The LTC2382-16 belongs to ADI's precision SAR ADC product line, designed specifically for applications demanding high DC accuracy, excellent AC performance, and low power in harsh thermal environments-from medical imaging to industrial automation.
FAQ
What is the operating temperature range for the LTC2382CMS-16#TRPBF?
The LTC2382CMS-16#TRPBF is rated for 0°C to 70°C operation (C-grade). This is confirmed by the order information table listing "LTC2382CMS-16#TRPBF" with "0°C to 70°C" under Temperature Range. It uses the MSOP package and carries the "C" prefix denoting commercial temperature grade.
Does the LTC2382CMS-16#TRPBF require an external reference, and what are the specifications?
Yes, the LTC2382CMS-16#TRPBF requires an external reference applied to its dual REF pins. The reference voltage must be 2.4V to 2.6V (typical 2.5V), with load current up to 495µA at 500ksps. The datasheet recommends the LTC6652-2.5 for optimal performance due to its 0.05% initial accuracy and 5ppm/°C drift.
How does the daisy-chain mode work on the LTC2382CMS-16#TRPBF?
Daisy-chain mode is enabled by driving the CHAIN pin high. In this mode, RDL/SDI becomes a serial data input, allowing multiple LTC2382CMS-16#TRPBF devices to be cascaded. The SDO of one device connects to the RDL/SDI of the next, and a single SCK clocks data out sequentially from all devices on the shared SDO line.
What is the significance of the 1.25µs acquisition time in the LTC2382CMS-16#TRPBF?
The 1.25µs acquisition time is the duration the ADC holds the sampled input before conversion begins. This extended window relaxes drive requirements: it allows use of lower-bandwidth, lower-power op-amps (e.g., LT6350) without sacrificing settling accuracy, reducing system power and cost versus faster, higher-current alternatives.
Can the LTC2382CMS-16#TRPBF operate with a 3.3V I/O interface while using a 2.5V VDD supply?
Yes. The LTC2382CMS-16#TRPBF supports independent OVDD (1.71V–5.25V) and VDD (2.375V–2.625V) supplies. Setting OVDD = 3.3V enables direct connection to 3.3V microcontrollers or FPGAs for SCK, RDL/SDI, and SDO, while VDD remains at 2.5V for optimal ADC core performance and power efficiency.
LTC2382CMS-16#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-TFSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 500k
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- SPI
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.375V ~ 2.625V
- Voltage - Supply, Digital:
- 2.375V ~ 2.625V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- 16-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2382CMS-16#TRPBF FAQ
1.How can I place an order for LTC2382CMS-16#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2382CMS-16#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 LTC2382CMS-16#TRPBF reliable?
The price and inventory of LTC2382CMS-16#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2382CMS-16#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2382CMS-16#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2382CMS-16#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2382CMS-16#TRPBF?
LTC2382CMS-16#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2382CMS-16#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 LTC2382CMS-16#TRPBF?
For technical support, including LTC2382CMS-16#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2382CMS-16#TRPBF requirements.
6.How does Aetrix verify that LTC2382CMS-16#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2382CMS-16#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 LTC2382CMS-16#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2382CMS-16#TRPBF?
All LTC2382CMS-16#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2382CMS-16#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 LTC2382CMS-16#TRPBF part is unused and in its original packaging.
Return procedure for LTC2382CMS-16#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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