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Analog Devices Inc. LTC2463IMS#TRPBF
- Part No.:
- LTC2463IMS#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 12-TSSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2463IMS#TRPBF.pdf
- Description:
- IC ADC 16BIT SIGMA-DELTA 12MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,659
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Product details
Overview
LTC2463IMS#TRPBF from Analog Devices (formerly Linear Technology) is a 16-bit differential ΔΣ analog-to-digital converter with integrated 1.25V precision reference, I²C interface, and ultra-low 200nA sleep current. It operates from 2.7V to 5.5V, delivers 60 conversions per second, and features ±2 LSB offset error (typ), 0.01% gain error (typ), and 2ppm/°C reference drift (I-grade). It is used in high-accuracy sensor signal conditioning for industrial monitoring systems.
For engineers reviewing the LTC2463IMS#TRPBF datasheet, LTC2463IMS#TRPBF pinout, LTC2463IMS#TRPBF application, or LTC2463IMS#TRPBF equivalent, key selection criteria include its differential input architecture, integrated reference stability over –40°C to +85°C, I²C address configurability via A0 pin, and guaranteed no missing codes across temperature.
Technical Context
The LTC2463IMS#TRPBF implements a delta-sigma modulation architecture with a sinc³ decimating filter and internal oscillator-no external clock required. Its proprietary input sampling scheme limits average input current to 50nA, enabling direct RC filtering without significant error.
It performs continuous internal offset and full-scale calibration transparently during each conversion cycle, ensuring long-term accuracy without user intervention. The device supports two I²C slave addresses (0010100b or 1010100b) plus global address synchronization (1110111b), and enters low-power Nap mode (800µA) or Sleep mode (200nA) automatically post-conversion.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit, no missing codes - guarantees monotonicity and full dynamic range utilization. |
| Input Type | Differential (IN+, IN–) - rejects common-mode noise and enables bipolar measurement up to ±1.25V. |
| Reference Output | 1.25V ±3mV (1.247V–1.253V), 2ppm/°C max drift (I-grade) - eliminates need for external reference in space-constrained designs. |
| Conversion Rate | 60 conversions/second - supports real-time monitoring of slow-varying physical parameters (e.g., temperature, pressure). |
| Supply Current | 1.5mA active, 200nA sleep - enables battery-powered operation for >10 years in duty-cycled sensing applications. |
| I²C Interface | Standard/Fast-mode (0–400kHz), two configurable addresses - allows multi-device bus sharing without address conflict. |
| Operating Temp | –40°C to +85°C (I-grade) - qualified for industrial and automotive under-hood environments. |
Pinout & Package
Package: 12-lead MSOP (3mm × 3mm), exposed pad grounded. Pin-compatible with LTC2463CDD#TRPBF (DFN) but with different thermal resistance (θJA = 135°C/W vs. 43°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| REFOUT (1) | Reference output | Nominally 1.25V; sets ADC full-scale range; requires 0.1µF bypass to GND for stability. |
| COMP (2) | Reference compensation | Connects to 0.1µF capacitor to GND; stabilizes reference loop; value must be ≥ REFOUT capacitor. |
| A0 (3) | I²C address select | Logic level sets slave address: GND → 0010100b, VCC → 1010100b. |
| GND (4,7,11) | Ground return | Three dedicated ground pins minimize ground bounce; exposed pad (Pin 13) must be soldered to PCB ground plane. |
| SCL (5) | I²C clock input | Slave-only interface; accepts external clock up to 400kHz; timing compliant with I²C Fast-mode spec. |
| SDA (6) | I²C bidirectional data | Open-drain output requiring external pull-up; transmits 16-bit result MSB-first on SCL falling edges. |
| REF– (8) | Reference negative input | Defines zero-scale point; tied directly to system ground or sensor ground sense point. |
| IN+ (9) | Differential positive input | Accepts voltage up to VREF (1.25V); supports inputs slightly below GND (down to –8 LSB) due to proprietary sampling. |
| IN– (10) | Differential negative input | Accepts voltage from 0V to VREF; paired with IN+ for true differential measurement and CMRR enhancement. |
| VCC (12) | Power supply | 2.7V–5.5V operation; requires local 10µF + 0.1µF ceramic bypass at pin. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 1.25V reference | 2ppm/°C max drift (I-grade), 0.1% initial accuracy - removes external reference IC and associated layout complexity. |
| Ultra-low input current | 50nA average sampling current - permits direct connection to high-impedance sensors and simple RC antialiasing filters. |
| Automatic calibration | Continuous offset and full-scale correction per conversion - maintains accuracy across temperature and time without host intervention. |
| Flexible power management | Configurable Sleep mode (200nA) and Nap mode (800µA) - enables energy harvesting and long-life battery operation. |
| No-latency data output | One-to-one mapping between conversion completion and 16-bit output - eliminates FIFO buffering and simplifies multiplexed sensor reading. |
Applications
| Industrial Process Monitoring | Environmental Sensor Nodes |
|---|---|
|
Use Scenario: Measuring thermocouple or RTD outputs in PLC analog input modules with isolated field-side power. IC Role / Device Role / Timing Role: Differential ADC digitizing µV-level signals referenced to remote sensor ground; 1.25V internal reference eliminates reference drift errors. Use Value: Achieves <100ppm total unadjusted error over –40°C to +85°C without trimming, reducing calibration labor and test time. |
Use Scenario: Battery-powered air quality sensor node measuring PM2.5, CO₂, and humidity with multi-sensor multiplexing. IC Role / Device Role / Timing Role: Low-power ADC performing sequential conversions on 4-channel analog mux; Sleep mode extends battery life to >5 years. Use Value: 200nA sleep current and automatic calibration enable maintenance-free deployment in inaccessible locations. |
| Direct Temperature Measurement | Embedded ADC Upgrade |
|
Use Scenario: Precision cold-junction compensation using thermistor network in handheld thermal imaging devices. IC Role / Device Role / Timing Role: High-accuracy differential ADC capturing ratiometric thermistor voltage with 1.25V reference as excitation source. Use Value: 2ppm/°C reference drift ensures <0.1°C measurement stability over operating temperature range. |
Use Scenario: Replacing legacy 12-bit SAR ADCs in medical diagnostic equipment to improve resolution without redesigning I²C firmware. IC Role / Device Role / Timing Role: Pin- and software-compatible upgrade delivering 16-bit resolution, no missing codes, and lower power than predecessor. Use Value: Enables higher diagnostic confidence (e.g., ECG baseline stability) while maintaining existing PCB layout and driver stack. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS1115IDGSR | 16-bit, 860SPS, PGA (2/4/8/16V/V), no integrated reference - requires external 2.048V ref; I²C address fixed (4 options). | Better for small-signal amplification (e.g., load cells); less suitable for direct ratiometric sensor interfaces needing stable internal reference. | Select when programmable gain is needed and board space allows separate reference; avoid if reference drift budget is tight. |
| MCP3424-E/SL | 18-bit, 15SPS, internal 2.048V ref (15ppm/°C), no differential input flexibility - all channels share same PGA setting; no Sleep mode. | Better for ultra-high-resolution static measurements (e.g., weigh scales); unsuitable for battery-powered or fast-sampling use cases. | Select for highest DC accuracy where speed and power are secondary; avoid for portable or multiplexed applications. |
Compared with ADS1115IDGSR and MCP3424-E/SL, the LTC2463IMS#TRPBF uniquely combines differential input, integrated 1.25V reference with 2ppm/°C drift, 200nA sleep current, and I²C address configurability-making it optimal for compact, low-power, ratiometric industrial sensor nodes.
Availability
LTC2463IMS#TRPBF is available at Aetrix Electronics and suitable for industrial process monitoring, environmental sensor nodes, and embedded ADC upgrades requiring stable component supply, long-lifecycle support, and guaranteed I-grade temperature performance.
Supply support for LTC2463IMS#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 LTC2463IMS#TRPBF belongs to ADI's ultra-low-power precision ΔΣ ADC family, designed specifically for space-constrained, battery-operated, and high-accuracy sensor signal acquisition in harsh industrial environments.
FAQ
What is the operating temperature range of the LTC2463IMS#TRPBF?
The LTC2463IMS#TRPBF is rated for –40°C to +85°C (I-grade), verified per manufacturer specifications. This range applies to all electrical characteristics including reference drift (±5ppm/°C max), offset error (±5 LSB), and supply current (1.5mA typ at 25°C, 1.9mA max at 85°C). The MSOP package's θJA of 135°C/W requires appropriate PCB copper area for thermal management at full load.
Does the LTC2463IMS#TRPBF require an external crystal or clock source?
No, the LTC2463IMS#TRPBF includes a fully integrated oscillator and requires no external clock components. Its I²C interface operates with standard and fast-mode timing (up to 400kHz SCL), and all internal timing-including conversion rate (60Hz), calibration cycles, and reference startup-is derived from this on-chip oscillator. This eliminates BOM cost and layout area for timing components.
How does the LTC2463IMS#TRPBF handle input voltages below ground?
The LTC2463IMS#TRPBF supports limited sub-ground inputs: its proprietary sampling architecture allows IN+ or IN– to go up to ~8 LSBs (≈0.3mV) below GND while maintaining linearity, provided the differential input (IN+ – IN–) stays within ±1.25V. This enables direct measurement of signals like thermocouples with cold-junction offsets, without level-shifting circuitry.
Can the internal reference of the LTC2463IMS#TRPBF be disabled to reduce power consumption?
Yes, the LTC2463IMS#TRPBF supports reference shutdown via the SLP bit in its I²C configuration register. When SLP = 1, the reference powers down after the next conversion completes, reducing total supply current to 200nA. Reference reactivation takes ~12ms (with 0.1µF COMP/REFOUT capacitors), so the first conversion after wake-up must be discarded or delayed accordingly.
Is the LTC2463IMS#TRPBF pin-compatible with other members of the LTC246x family?
Yes, the LTC2463IMS#TRPBF shares identical pinout and I²C command structure with LTC2461IMS#TRPBF (single-ended), LTC2463CDD#TRPBF (DFN), and LTC2461CDD#TRPBF. All variants use the same 12-pin MSOP/DFN footprint, pin functions, and register map-enabling hardware reuse across single-ended/differential and C/I-grade variants without PCB changes.
LTC2463IMS#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 12-TSSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 60
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- I2C
- Configuration:
- ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- Sigma-Delta
- Reference Type:
- Internal
- Voltage - Supply, Analog:
- 2.7V ~ 5.5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.5V
- Features:
- Selectable Address
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 12-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2463IMS#TRPBF FAQ
1.How can I place an order for LTC2463IMS#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2463IMS#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 LTC2463IMS#TRPBF reliable?
The price and inventory of LTC2463IMS#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2463IMS#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2463IMS#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2463IMS#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2463IMS#TRPBF?
LTC2463IMS#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2463IMS#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 LTC2463IMS#TRPBF?
For technical support, including LTC2463IMS#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2463IMS#TRPBF requirements.
6.How does Aetrix verify that LTC2463IMS#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2463IMS#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 LTC2463IMS#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2463IMS#TRPBF?
All LTC2463IMS#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2463IMS#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 LTC2463IMS#TRPBF part is unused and in its original packaging.
Return procedure for LTC2463IMS#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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