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Analog Devices Inc. LTC2411IMS#TRPBF
- Part No.:
- LTC2411IMS#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2411IMS#TRPBF.pdf
- Description:
- IC ADC 24BIT SIGMA-DELTA 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,306
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Product details
Overview
LTC2411IMS#TRPBF from Analog Devices (formerly Linear Technology) is a 24-bit micropower delta-sigma analog-to-digital converter with differential input and reference, integrated oscillator, 2 ppm INL, 0.29 ppm RMS noise, and single-cycle settling. It operates from 2.7V to 5.5V and delivers 110 dB 50/60 Hz notch rejection via pin-selectable internal oscillator - ideal for precision weigh scales and strain gauge transducers in industrial process control.
For engineers reviewing the LTC2411IMS#TRPBF datasheet, LTC2411IMS#TRPBF pinout, LTC2411IMS#TRPBF application, or LTC2411IMS#TRPBF equivalent, this page provides verified technical context, real-world design meaning of key specs, validated MSOP-10 pin functions, application-specific value statements, and two confirmed alternative parts with documented functional and application differences.
Technical Context
The LTC2411IMS#TRPBF implements a decimating FIR-based ∆Σ modulator with auto-calibrating offset and full-scale correction in every conversion cycle. Its digital filter achieves first-null rejection at 50 Hz (FO = VCC) or 60 Hz (FO = GND), with no external components required for oscillator operation.
It supports flexible ratiometric sensing via independent GND-to-VCC common-mode ranges for both input (VINCM) and reference (VREFCM), while maintaining >140 dB DC common-mode rejection and >110 dB normal-mode rejection at line frequencies. The 3-wire SPI/MICROWIRE interface operates in internal or external SCK mode, determined by SCK pin state at power-up or CS falling edge.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 24-bit with no missing codes - guarantees monotonicity and full dynamic range utilization in high-precision measurement systems. |
| INL | 2 ppm max over temperature - ensures ≤ ±0.0002% full-scale error without calibration in 6½-digit DVMs or instrumentation. |
| RMS Noise | 0.29 ppm of VREF (1.45 µVRMS at 5V ref) - enables 22+ effective bits at 10 SPS for low-drift sensor digitization. |
| Supply Current | 200 µA in conversion mode, 4 µA in autosleep - allows battery-powered operation for >1 year in portable gas analyzers. |
| Common-Mode Rejection | 140 dB DC, 110 dB at 50/60 Hz - rejects ground loop interference and EMI in noisy industrial environments. |
| Reference Range | 0.1 V to VCC differential - supports direct connection to low-voltage bridge sensors or remote RTD excitation circuits. |
| Input Range | ±0.5 × VREF differential, with VINCM and VREFCM independently adjustable from GND to VCC - enables true bipolar sensing with single-supply simplicity. |
Pinout & Package
Package: 10-lead plastic MSOP (MS10), –40°C to +85°C operating temperature range, θJA = 120°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC (Pin 1) | Positive supply input | 2.7V–5.5V single supply; requires local 10µF tantalum + 0.1µF ceramic bypass for stable ADC performance. |
| REF+ / REF– (Pins 2, 3) | Differential reference inputs | Accept 0.1V–VCC differential voltage; enable ratiometric measurements with independent common-mode biasing. |
| IN+ / IN– (Pins 4, 5) | Differential analog inputs | Support ±0.5×VREF full-scale range; tolerate GND–0.3V to VCC+0.3V absolute voltage - simplifies level-shifting for wide-range sensors. |
| GND (Pin 6) | Analog/digital ground | Low-impedance connection to ground plane required to maintain 140 dB CMRR and noise floor integrity. |
| CS (Pin 7) | Active-low chip select | Wakes ADC from sleep (4 µA) into conversion mode; aborts data transfer if toggled during SDO output. |
| SDO (Pin 8) | 3-state serial data output | Outputs 32-bit conversion result on falling SCK edge; enters Hi-Z when CS = HIGH to prevent bus contention. |
| SCK (Pin 9) | Bidirectional serial clock | Auto-configures as internal clock output (FO-driven mode) or external clock input based on power-up state - no register programming needed. |
| FO (Pin 10) | Frequency control input | Selects 50 Hz (FO = VCC), 60 Hz (FO = GND), or simultaneous 50/60 Hz rejection (LTC2411-1 variant); also accepts external fEOSC = 2.56–500 kHz. |
Key Features
| Feature | Design Value |
|---|---|
| No-latency ∆Σ architecture | Single-cycle digital filter settling ensures each output corresponds precisely to its input step - critical for multiplexed sensor arrays without settling delay penalties. |
| Per-conversion auto-calibration | Continuous offset and full-scale correction eliminates drift-induced errors over time, temperature, and supply variation - removes need for system-level recalibration. |
| Pin-selectable 50/60 Hz rejection | FO pin configures internal oscillator for region-specific AC line rejection without external filters or firmware changes - accelerates global product certification. |
| GND-to-VCC input/reference common-mode range | Enables direct interfacing with unbuffered Wheatstone bridges, thermocouples, or current-sense amplifiers without level-shifting circuitry. |
| 2.7V–5.5V single-supply operation | Supports direct integration into 3.3V or 5V industrial PLC I/O modules and portable handheld test equipment without LDO overhead. |
Applications
| Weight Scales | Strain Gauge Transducers |
|---|---|
Use Scenario: High-resolution load cell readout in platform scales and hopper weighing systems. IC Role / Device Role / Timing Role: Direct digitizer for mV/V bridge outputs with integrated reference and 24-bit resolution. Use Value: Achieves ≤0.001% linearity error and <1 µV RMS noise - enabling 100,000:1 dynamic range without external amplification. |
Use Scenario: Precision force measurement in structural health monitoring and material testing rigs. IC Role / Device Role / Timing Role: Low-drift ADC with per-conversion calibration for long-term stability under thermal cycling. Use Value: 2 ppm INL and 0.29 ppm RMS noise ensure repeatability within ±0.005% FS over 10-year deployments. |
| Gas Analyzers | Industrial Process Control |
Use Scenario: Electrochemical sensor signal conditioning in portable air quality monitors. IC Role / Device Role / Timing Role: Micropower ADC for battery-operated field instruments requiring multi-year runtime. Use Value: 4 µA autosleep current extends AA battery life beyond 24 months at 1 reading/minute duty cycle. |
Use Scenario: Analog input module in programmable logic controllers for pressure, flow, and temperature loops. IC Role / Device Role / Timing Role: Isolated channel ADC with 140 dB CMRR to reject ground noise in factory-floor cabinets. Use Value: Immunity to 60 Hz magnetic fields and 120 Hz ripple enables reliable operation near VFDs and welding equipment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 24-bit delta-sigma ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS124S08IPWR | 24-bit, 4-kSPS, integrated PGA and sensor burnout detection; requires external reference; no built-in 50/60 Hz notch. | Better suited for multi-channel RTD/thermocouple systems with programmable gain; lacks pin-selectable line rejection. | Choose ADS124S08IPWR when PGA flexibility and sensor diagnostics outweigh need for autonomous line-frequency rejection. |
| LTC2440CG#PBF | 24-bit, 1.5 kSPS, 0.15 ppm RMS noise, but requires external crystal; no internal oscillator or FO pin configuration. | Higher resolution at lower data rates; used in metrology-grade DVMs where external timing control is preferred. | Choose LTC2440CG#PBF when ultra-low noise (<0.15 ppm) and external clock synchronization are mandatory, and board space permits crystal layout. |
Compared with ADS124S08IPWR and LTC2440CG#PBF, the LTC2411IMS#TRPBF uniquely combines internal oscillator-based 50/60 Hz rejection, true differential reference support, and 4 µA sleep current in a 10-pin MSOP - making it optimal for cost-sensitive, space-constrained, single-channel industrial sensors requiring zero external timing components.
Availability
LTC2411IMS#TRPBF is available at Aetrix Electronics and suitable for weight scales, strain gauge transducers, gas analyzers, industrial process control systems, and 6-digit DVMs requiring stable component supply across extended temperature ranges.
Supply support for LTC2411IMS#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 acquired Linear Technology in 2017 and maintains full technical and manufacturing continuity for all Linear precision analog products.
The LTC2411IMS#TRPBF belongs to Linear's No Latency ∆Σ™ ADC family, designed specifically for high-resolution, low-power, single-chip sensor digitization in harsh industrial and portable instrumentation environments.
FAQ
What is the operating temperature range of the LTC2411IMS#TRPBF?
The LTC2411IMS#TRPBF is rated for –40°C to +85°C operation, matching the "I" grade specification. This extended range supports deployment in industrial enclosures, outdoor environmental sensors, and automotive under-hood auxiliary systems where ambient temperatures exceed commercial-grade limits. The part maintains full 24-bit performance and 2 ppm INL across this range, as verified in the datasheet's electrical characteristics table.
Does the LTC2411IMS#TRPBF require external passive components for oscillator operation?
No, the LTC2411IMS#TRPBF integrates a precision internal oscillator and requires no external crystals, capacitors, or resistors to achieve 50 Hz or 60 Hz line-frequency rejection. When FO is tied to VCC or GND, the internal oscillator automatically configures the digital filter null - eliminating BOM cost, layout area, and calibration effort associated with external timing networks.
How does the LTC2411IMS#TRPBF handle reference and input common-mode voltage mismatches?
The LTC2411IMS#TRPBF allows independent setting of reference common-mode voltage (VREFCM) and input common-mode voltage (VINCM) anywhere from GND to VCC. This decoupling enables direct connection to unbuffered bridge sensors where excitation and sense grounds differ, or to current-sense amplifiers with non-rail-referenced outputs - without violating input voltage limits or degrading CMRR.
Can the LTC2411IMS#TRPBF be used with an external clock source?
Yes, the LTC2411IMS#TRPBF accepts an external oscillator signal on the FO pin across 2.56 kHz to 500 kHz. When driven externally, the digital filter first null shifts to fEOSC/2560 - allowing custom rejection frequencies (e.g., 400 Hz for specialized motor control feedback) while retaining full 24-bit resolution and auto-calibration functionality.
What is the significance of "no latency" in the LTC2411IMS#TRPBF's delta-sigma architecture?
"No latency" means the LTC2411IMS#TRPBF's digital filter settles fully within one conversion cycle - delivering a valid, calibrated 32-bit output immediately after conversion completes. Unlike conventional ∆Σ ADCs that require multiple cycles to settle after input steps, this enables true real-time multiplexing of multiple sensors without inter-channel crosstalk or timing uncertainty - a key advantage in dynamic load-cell or vibration monitoring systems.
LTC2411IMS#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- microPOWER™
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 24
- Sampling Rate (Per Second):
- 7.5
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- SPI
- Configuration:
- ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- Sigma-Delta
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.7V ~ 5.5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.5V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 10-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2411IMS#TRPBF FAQ
1.How can I place an order for LTC2411IMS#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2411IMS#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 LTC2411IMS#TRPBF reliable?
The price and inventory of LTC2411IMS#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2411IMS#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2411IMS#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2411IMS#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2411IMS#TRPBF?
LTC2411IMS#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2411IMS#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 LTC2411IMS#TRPBF?
For technical support, including LTC2411IMS#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2411IMS#TRPBF requirements.
6.How does Aetrix verify that LTC2411IMS#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2411IMS#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 LTC2411IMS#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2411IMS#TRPBF?
All LTC2411IMS#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2411IMS#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 LTC2411IMS#TRPBF part is unused and in its original packaging.
Return procedure for LTC2411IMS#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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