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Analog Devices Inc. LTC2463IDD#PBF
- Part No.:
- LTC2463IDD#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 12-WFDFN Exposed Pad
- Datasheet:
-
LTC2463IDD#PBF.pdf
- Description:
- IC ADC 16BIT SIGMA-DELTA 12DFN
- Quantity:
- Payment:
- Shipping:
Inventory:138
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Product details
Overview
LTC2463IDD#PBF 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 LTC2463IDD#PBF datasheet, LTC2463IDD#PBF pinout, LTC2463IDD#PBF application, or LTC2463IDD#PBF equivalent, key selection criteria include differential input range (±1.25V), I²C address flexibility (two hardware-selectable addresses), internal oscillator (no external timing components), and guaranteed no missing codes over temperature.
Technical Context
The LTC2463IDD#PBF implements a delta-sigma architecture with proprietary input sampling that reduces average input current to 50nA-enabling direct RC filter interfacing without significant error. Its integrated 1.25V reference achieves ±2 ppm/°C drift over –40°C to +85°C and supports full-scale differential input of ±VREF.
Conversion is fully settled with no latency or filter delay; each conversion yields one deterministic 16-bit output corresponding to the completed sample. Continuous internal offset and full-scale calibration run transparently every cycle, ensuring stability across time and temperature without user intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit, no missing codes-guarantees monotonicity and full dynamic range utilization in precision measurement. |
| Differential Input Range | ±1.25 V-supports bipolar signals such as bridge sensors, thermocouples, and current shunts without external level-shifting. |
| Reference Accuracy | 1.25 V ±0.1% initial, ±5 ppm/°C max drift (I-grade)-enables stable absolute measurements without external reference calibration. |
| Conversion Rate | 60 conversions/second-sufficient for real-time monitoring of slow-varying physical parameters (e.g., temperature, pressure). |
| Sleep Current | 200 nA-allows multi-year battery operation in low-duty-cycle sensing nodes (e.g., environmental loggers). |
| I²C Interface | Two hardware-configurable addresses (A0 = GND/VCC) plus global sync address-enables multi-device synchronization on shared bus. |
| Supply Range | 2.7 V to 5.5 V-compatible with single Li-ion, 3.3 V, and 5 V system rails without LDO overhead. |
Pinout & Package
Package: 12-lead (3 mm × 3 mm) plastic DFN with exposed pad (DD package), rated for –40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| REFOUT (Pin 1) | Reference output | Nominally 1.25 V; sets ADC full-scale range; requires 0.1 µF bypass to GND for noise suppression and stability. |
| COMP (Pin 2) | Reference compensation | Connects to 0.1 µF capacitor to GND; stabilizes internal reference and prevents oscillation. |
| A0 (Pin 3) | I²C address select | Hardwired to GND or VCC to select I²C address (0010100 or 1010100); enables dual-device addressing on same bus. |
| GND (Pins 4, 7, 11, 13) | Ground terminals | Multiple low-impedance ground connections-including exposed pad-minimize thermal resistance and noise coupling. |
| SCL (Pin 5) | I²C clock input | Slave-only interface; accepts up to 400 kHz clock; timing-compliant with Fast-Mode I²C standard. |
| SDA (Pin 6) | I²C bidirectional data | Open-drain output requiring external pull-up; transmits 16-bit result MSB-first on falling SCL edges. |
| REF– (Pin 8) | Negative reference input | Sets zero-scale point; tied directly to system ground or remote sensor ground for accurate common-mode rejection. |
| IN+ (Pin 9) | Differential positive input | Accepts voltage up to VREF; supports inputs slightly below GND (down to –8 LSB) due to proprietary sampling architecture. |
| IN– (Pin 10) | Differential negative input | Accepts voltage down to 0 V; paired with IN+ for true differential measurement; negligible leakage between pins. |
| VCC (Pin 12) | Positive supply | 2.7 V–5.5 V input; requires local decoupling with 10 µF + 0.1 µF ceramic capacitors for stable conversion performance. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 1.25 V reference | 2 ppm/°C max drift (I-grade), 0.1% initial accuracy-eliminates need for external reference and associated layout complexity. |
| Proprietary input sampling | 50 nA average input current-permits direct connection of RC anti-alias filters (e.g., 1 kΩ + 0.1 µF) with <1 LSB error. |
| Zero-latency data output | One-to-one mapping between conversion completion and 16-bit output-enables deterministic multiplexed sampling without timing overhead. |
| Continuous self-calibration | Offset and full-scale correction performed every conversion-maintains accuracy over temperature and time without host intervention. |
| Ultra-low power sleep mode | 200 nA total supply current with ADC and reference powered down-extends battery life in intermittent-sampling applications. |
Applications
| Industrial Process Monitoring | Environmental Data Logging |
|---|---|
|
Use Scenario: Continuous measurement of strain gauge outputs in pipeline pressure transmitters operating unattended for >5 years. IC Role / Device Role / Timing Role: Differential ADC digitizing mV-level bridge signals; internal reference ensures absolute accuracy without field recalibration. Use Value: 16-bit resolution and <±2 LSB offset error enable detection of sub-0.05% full-scale changes, critical for leak detection compliance. |
Use Scenario: Battery-powered soil moisture sensor node deployed in remote agricultural fields with 10-year service life target. IC Role / Device Role / Timing Role: Low-power ADC acquiring capacitance-based moisture readings every 15 minutes; sleeps at 200 nA between samples. Use Value: Integrated oscillator and no-missing-codes guarantee reliable long-term data integrity without external crystal or firmware calibration routines. |
| Medical Vital Sign Sensing | Embedded System Health Monitoring |
|
Use Scenario: Portable ECG front-end measuring microvolt-level differential biopotentials with galvanic isolation. IC Role / Device Role / Timing Role: Precision differential ADC rejecting common-mode interference; REF– tied to isolated ground plane for safety compliance. Use Value: 60 sps sampling rate and continuous offset calibration maintain baseline stability across body temperature variations (35–42°C). |
Use Scenario: Server rack power supply unit monitoring input voltage, output current, and heatsink temperature via single MCU. IC Role / Device Role / Timing Role: Multi-channel sensor hub ADC interfaced via I²C; synchronized conversions using global address call for phase-aligned sampling. Use Value: Two hardware-selectable I²C addresses allow co-location with other LTC246x devices on same bus without address conflict or additional GPIO. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision differential ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS1115IDGSR | 16-bit, 860 sps, external reference required, no integrated oscillator, 150 µA active current | Higher speed but lacks internal reference and ultra-low sleep current; requires external clock and reference design effort | Choose ADS1115IDGSR when higher throughput is needed and board space allows external reference + timing components. |
| MAX11613EEE+ | 16-bit, 100 sps, internal reference (±15 ppm/°C), 1.2 µA sleep current, SPI interface only | Higher reference drift and 6× higher sleep current; SPI-only limits compatibility with I²C-only microcontrollers | Choose MAX11613EEE+ only if SPI interface is mandatory and system can tolerate reduced long-term reference stability. |
Compared with ADS1115IDGSR and MAX11613EEE+, the LTC2463IDD#PBF uniquely combines integrated 2 ppm/°C reference, 200 nA sleep current, and I²C address flexibility-making it optimal for space-constrained, battery-operated, and calibration-sensitive applications where minimal BOM count and guaranteed monotonicity are essential.
Availability
LTC2463IDD#PBF is available at Aetrix Electronics and suitable for industrial process monitoring, environmental data logging, and embedded system health monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC2463IDD#PBF 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 LTC2463IDD#PBF belongs to ADI's ultra-precision delta-sigma ADC family designed for low-power, high-accuracy sensor interfacing in space- and energy-constrained applications where reference stability and ease of integration are critical.
FAQ
What is the operating temperature range of the LTC2463IDD#PBF?
The LTC2463IDD#PBF is rated for –40°C to +85°C operation (I-grade). This is confirmed in the "ORDER INFORMATION" table and "ABSOLUTE MAXIMUM RATINGS" section of the official datasheet. The device maintains specified performance-including 2 ppm/°C reference drift and ±2 LSB offset error-across this full range. Thermal derating is not required within these limits.
Does the LTC2463IDD#PBF require an external crystal or oscillator?
No, the LTC2463IDD#PBF does not require an external crystal or oscillator. It includes a fully integrated oscillator, as explicitly stated in the "FEATURES" list and "APPLICATIONS INFORMATION" section. This eliminates external timing components, reduces BOM count, and improves reliability in vibration-prone or space-constrained designs.
How many I²C addresses does the LTC2463IDD#PBF support?
The LTC2463IDD#PBF supports two hardware-configurable I²C addresses (0010100 and 1010100) via the A0 pin, plus a global address (1110111) for synchronized conversions. This is documented in the "PIN FUNCTIONS" and "I2C INTERFACE" sections. No software configuration or register writes are needed to select the base address.
What is the maximum differential input voltage the LTC2463IDD#PBF can accept?
The LTC2463IDD#PBF accepts a differential input voltage range of ±1.25 V, defined by VIN+ and VIN– relative to REF–. As stated in the "ANALOG INPUTS" table and "Input Voltage Range (LTC2463)" section, full-scale corresponds to (VIN+ – VIN–) = ±VREF. Inputs beyond ±1.25 V are clamped to 0 or 65535.
Can the LTC2463IDD#PBF operate from a 3.3 V supply?
Yes, the LTC2463IDD#PBF operates from 2.7 V to 5.5 V, fully supporting 3.3 V nominal supplies. Electrical characteristics-including 1.5 mA conversion current, 200 nA sleep current, and 1.25 V reference output-are specified across this entire range, as verified in the "POWER REQUIREMENTS" table and "VREF vs VCC" plot.
LTC2463IDD#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 12-WFDFN Exposed Pad
- Packaging:
- Tube
- 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-DFN (3x3)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2463IDD#PBF FAQ
1.How can I place an order for LTC2463IDD#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2463IDD#PBF 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 LTC2463IDD#PBF reliable?
The price and inventory of LTC2463IDD#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2463IDD#PBF is usually 5 days.
3.What payment methods are accepted for LTC2463IDD#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2463IDD#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2463IDD#PBF?
LTC2463IDD#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2463IDD#PBF 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 LTC2463IDD#PBF?
For technical support, including LTC2463IDD#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2463IDD#PBF requirements.
6.How does Aetrix verify that LTC2463IDD#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2463IDD#PBF 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 LTC2463IDD#PBF meets industry standards.
7.What is the process for return or replacement of LTC2463IDD#PBF?
All LTC2463IDD#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2463IDD#PBF, 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 LTC2463IDD#PBF part is unused and in its original packaging.
Return procedure for LTC2463IDD#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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