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Analog Devices Inc. LTC2376CMS-16#TRPBF
- Part No.:
- LTC2376CMS-16#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2376CMS-16#TRPBF.pdf
- Description:
- IC ADC 16BIT SAR 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,078
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Product details
Overview
LTC2376CMS-16#TRPBF from Analog Devices (formerly Linear Technology) is a 16-bit, 250ksps successive approximation register (SAR) analog-to-digital converter with ±0.5LSB INL max, 97dB SNR at 2kHz, and fully differential ±VREF input range (2.5V–5.1V). Operating from a single 2.5V supply and consuming only 3.4mW, it delivers no missing codes at 16 bits and supports digital gain compression (DGC) for single-supply amplifier interfacing - ideal for high-speed, low-power data acquisition in portable instrumentation and industrial control.
For engineers reviewing the LTC2376CMS-16#TRPBF datasheet, LTC2376CMS-16#TRPBF pinout, LTC2376CMS-16#TRPBF application, or LTC2376CMS-16#TRPBF equivalent, key selection considerations include guaranteed 16-bit no-missing-codes performance across temperature, SPI-compatible daisy-chain capability, internal conversion clock, DGC-enabled 0.5V–4.5V input range with 5V reference, and MSOP-16 package compatibility with space-constrained PCB layouts.
Technical Context
The LTC2376CMS-16#TRPBF implements a charge-redistribution SAR architecture with a 16-bit CDAC and differential comparator, enabling precise binary-weighted voltage comparisons against VREF without pipeline latency. Its acquisition phase samples differential input voltage onto 45pF internal capacitors via 40Ω on-resistance switches, while conversion timing is governed by an internal oscillator - eliminating external clock dependency.
Digital Gain Compression (DGC) is implemented via dedicated REF/DGC pin logic that re-maps zero-scale from 0V to 0.1·VREF and full-scale from VREF to 0.9·VREF, preserving 16-bit resolution while relaxing analog driver supply requirements. The device supports 1.8V–5V I/O logic levels via separate OVDD rail and features daisy-chain mode enabled by CHAIN pin assertion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - guarantees full 65,536-level quantization with no missing codes over full temperature range. |
| Sampling Rate | 250ksps - enables real-time capture of signals up to 125kHz Nyquist bandwidth with zero cycle latency. |
| SNR | 97dB at fIN = 2kHz, VREF = 5V - delivers effective resolution >15.8 bits for precision measurement applications. |
| INL | ±0.5LSB max - ensures monotonicity and accurate end-point linearity critical for closed-loop control systems. |
| Power Dissipation | 3.4mW at 250ksps - reduces thermal load and extends battery life in portable instrumentation. |
| Digital Gain Compression | Enabled via REF/DGC = GND - shifts usable input range to 0.5V–4.5V with 5V reference, allowing single 5.5V supply for driving amplifiers. |
| Reference Range | 2.5V to 5.1V - supports flexible system-level scaling and compatibility with common precision reference ICs. |
Pinout & Package
Package: 16-lead plastic MSOP (5mm × 4.4mm), lead-free, RoHS-compliant, rated for 0°C to 70°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN+, IN– | Differential analog inputs | Accept ±VREF fully differential signal; 45pF sampling capacitance and 40Ω switch resistance define settling behavior. |
| REF | Reference voltage input | Defines full-scale range; accepts 2.5V–5.1V; requires 47µF X5R ceramic decoupling at pin. |
| REF/DGC | Reference/Digital Gain Compression control | Tied to REF → DGC disabled (±VREF range); tied to GND → DGC enabled (0.1·VREF to 0.9·VREF range). |
| CNV | Convert trigger input | Rising edge initiates acquisition and conversion; powers up ADC from auto-shutdown state. |
| BUSY | Conversion status indicator | Active-high open-drain output signaling conversion in progress; synchronized to CNV edge. |
| SDO, SCK, RDL/SDI | SPI-compatible serial interface | 2's complement 16-bit output MSB-first; supports daisy-chain mode when CHAIN = HIGH. |
| VDD, OVDD | Analog and I/O power supplies | VDD = 2.375–2.625V (2.5V nominal); OVDD = 1.71–5.25V - enables mixed-voltage host interfacing. |
Key Features
| Feature | Design Value |
|---|---|
| No missing codes at 16 bits | Guaranteed over full operating temperature range (0°C to 70°C), ensuring monotonic transfer function for control loop stability. |
| Digital Gain Compression (DGC) | Eliminates need for negative supply in front-end amplifiers by mapping full-scale to 10%–90% of VREF range, reducing BOM count and layout complexity. |
| Internal conversion clock | Removes requirement for external timing source, simplifying system clock tree design and improving jitter immunity. |
| Auto power-down between conversions | Reduces current draw to 0.9µA typical at 250sps, enabling ultra-low-power sleep modes in battery-operated systems. |
| SPI-compatible daisy-chain mode | Enables synchronous multi-channel sampling with single SCK and BUSY lines - ideal for compact multi-ADC data loggers. |
Applications
| Medical Imaging Signal Chain | Portable High-Speed Data Logger |
|---|---|
Use Scenario: Digitizing low-noise, wide-dynamic-range sensor outputs (e.g., ultrasound transducer preamp signals) in handheld diagnostic devices. IC Role / Device Role / Timing Role: Primary 16-bit SAR ADC performing high-fidelity sampling at 250ksps with minimal power and no latency. Use Value: 97dB SNR and ±0.5LSB INL preserve diagnostic image fidelity; DGC allows single-supply 5.5V amplifier stage, reducing board area and cost. |
Use Scenario: Battery-powered field data acquisition unit capturing vibration, temperature, and pressure waveforms in remote industrial sites. IC Role / Device Role / Timing Role: Low-power, high-accuracy ADC core with automatic shutdown between samples to extend operational runtime. Use Value: 3.4mW active power and 0.9µA shutdown current enable multi-week operation on AA cells; MSOP-16 footprint fits compact enclosures. |
| Industrial Process Controller | Automated Test Equipment (ATE) |
Use Scenario: Closed-loop feedback digitization in PLC analog I/O modules requiring deterministic timing and monotonic response. IC Role / Device Role / Timing Role: Precision ADC with zero-cycle latency and guaranteed no-missing-codes behavior for real-time PID execution. Use Value: ±0.5LSB INL ensures stable control action across temperature; SPI daisy-chain supports synchronized multi-channel sampling per scan cycle. |
Use Scenario: High-throughput parametric testing of semiconductor devices where measurement repeatability and speed are critical. IC Role / Device Role / Timing Role: High-SNR ADC capturing transient waveforms during device characterization at 250ksps with minimal noise floor contribution. Use Value: 97dB SNR and –125dB THD minimize measurement uncertainty; internal clock eliminates external jitter sources affecting test accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7960BCPZ | 18-bit, 5Msps, 2.5V supply, LVDS interface, no DGC, higher power (39mW) | Higher resolution/speed but requires LVDS FPGA interface and dual supplies; unsuitable for low-power or single-supply amplifier designs | Select when >16-bit resolution and >1Msps throughput are mandatory; avoid if DGC or <5mW power is required. |
| ADS8860IDRCT | 16-bit, 1MSPS, 2.5–5V supply, SPI interface, no DGC, 1.6mW at 100ksps | Lower power at reduced speed; lacks guaranteed no-missing-codes spec and DGC; limited to 85°C max junction temp | Choose for cost-sensitive, lower-speed (<100ksps) applications where DGC and extended temperature are not needed. |
Compared with AD7960BCPZ and ADS8860IDRCT, the LTC2376CMS-16#TRPBF uniquely balances 250ksps throughput, 97dB SNR, DGC-enabled single-supply drive, and 3.4mW power - making it optimal for space- and energy-constrained 16-bit data acquisition where full-scale flexibility and guaranteed monotonicity are essential.
Availability
LTC2376CMS-16#TRPBF is available at Aetrix Electronics and suitable for medical imaging signal chains, portable high-speed data loggers, and industrial process controllers requiring stable component supply, long-term manufacturability, and RoHS-compliant packaging.
Supply support for LTC2376CMS-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, serving industrial, automotive, communications, and healthcare markets.
The LTC2376-16 belongs to ADI's precision SAR ADC product line, designed specifically for applications demanding high dynamic range, low power, and robust operation in space-constrained or thermally sensitive environments - including portable instrumentation and industrial control systems.
FAQ
What is the operating temperature range for the LTC2376CMS-16#TRPBF?
The LTC2376CMS-16#TRPBF is specified for 0°C to 70°C ambient operation. It is the commercial-grade variant in the LTC2376-16 family, packaged in a 16-lead MSOP. This range supports use in indoor industrial equipment, laboratory instruments, and consumer-grade portable devices where extended temperature grades (e.g., I- or H-grade) are not required. The LTC2376CMS-16#TRPBF maintains all key specifications - including ±0.5LSB INL and 97dB SNR - across this full range.
Does the LTC2376CMS-16#TRPBF require an external clock for conversion timing?
No, the LTC2376CMS-16#TRPBF does not require an external clock. It integrates an internal oscillator that sets the conversion time (1.9–3µs), eliminating timing dependencies on external sources and reducing system-level jitter sensitivity. The CNV rising edge initiates conversion autonomously, and BUSY indicates completion. External clocks are only used for the SPI interface (SCK), which operates independently of the conversion engine.
How does Digital Gain Compression (DGC) work on the LTC2376CMS-16#TRPBF?
Digital Gain Compression (DGC) on the LTC2376CMS-16#TRPBF is activated by grounding the REF/DGC pin. This remaps the zero-scale code from 0V to 0.1·VREF and full-scale code from VREF to 0.9·VREF - effectively compressing the usable input range to 10%–90% of the ±VREF span. With a 5V reference, the input becomes 0.5V–4.5V, enabling single-supply amplifier operation (e.g., LT6350 from +5.5V) without negative rails while preserving full 16-bit resolution.
Can the LTC2376CMS-16#TRPBF be used in daisy-chain configurations?
Yes, the LTC2376CMS-16#TRPBF supports daisy-chain mode via the CHAIN pin (Pin 1). When CHAIN is driven HIGH, the RDL/SDI pin functions as serial data input, allowing multiple LTC2376CMS-16#TRPBF devices to share a single SCK and BUSY line. Conversion results shift out sequentially on SDO, enabling synchronized multi-channel sampling with minimal GPIO usage - ideal for compact data acquisition systems.
What decoupling is required for the REF pin on the LTC2376CMS-16#TRPBF?
The REF pin of the LTC2376CMS-16#TRPBF requires a 47µF X5R ceramic capacitor (0805 size) placed as close as possible to the pin, plus optional local 0.1µF ceramic for high-frequency suppression. This large bulk capacitance stabilizes the reference during high-current acquisition transients, preventing code errors and SNR degradation. The datasheet specifies this configuration as mandatory for achieving guaranteed 97dB SNR and ±0.5LSB INL performance.
LTC2376CMS-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):
- 250k
- 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:
- -
LTC2376CMS-16#TRPBF FAQ
1.How can I place an order for LTC2376CMS-16#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2376CMS-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 LTC2376CMS-16#TRPBF reliable?
The price and inventory of LTC2376CMS-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 LTC2376CMS-16#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2376CMS-16#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2376CMS-16#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2376CMS-16#TRPBF?
LTC2376CMS-16#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2376CMS-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 LTC2376CMS-16#TRPBF?
For technical support, including LTC2376CMS-16#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2376CMS-16#TRPBF requirements.
6.How does Aetrix verify that LTC2376CMS-16#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2376CMS-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 LTC2376CMS-16#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2376CMS-16#TRPBF?
All LTC2376CMS-16#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2376CMS-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 LTC2376CMS-16#TRPBF part is unused and in its original packaging.
Return procedure for LTC2376CMS-16#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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