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Analog Devices Inc. LTC2453CTS8#TRMPBF
- Part No.:
- LTC2453CTS8#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC2453CTS8#TRMPBF.pdf
- Description:
- IC ADC 16BIT SIG-DELTA TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:539
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Product details
Overview
LTC2453CTS8#TRMPBF from Analog Devices (formerly Linear Technology) is a fully differential, 16-bit delta-sigma analog-to-digital converter with I²C interface, ±VREF input range up to ±(VREF+ – VREF–), 60 conversions per second, and ultra-low 0.2 µA sleep current. It operates from a single 2.7V to 5.5V supply and targets precision sensor monitoring in space-constrained industrial and environmental systems.
For engineers reviewing the LTC2453CTS8#TRMPBF datasheet, LTC2453CTS8#TRMPBF pinout, LTC2453CTS8#TRMPBF application, or LTC2453CTS8#TRMPBF equivalent, key selection considerations include its TSOT-23-8 package, differential input sampling architecture with 50 nA average input current, integrated oscillator eliminating external timing components, and guaranteed no missing codes over temperature.
Technical Context
The LTC2453CTS8#TRMPBF implements a proprietary delta-sigma modulator core with decimating sinc filter and continuous internal offset/full-scale calibration-transparent to the user and effective across –40°C to 85°C for the I-grade variant (this part is C-grade: 0°C to 70°C). Its input sampling scheme eliminates latency in multiplexed applications and ensures single-cycle settling without pipeline delay.
It uses a hard-wired I²C slave address (0010100), supports Standard- and Fast-Mode (up to 400 kHz), and features open-drain SDA with external 1.7 kΩ pull-up. The device enters sleep mode automatically after conversion completion and draws <0.2 µA unless addressed-enabling sub-50 µW average power at 1 Hz read rate from 2.7 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit (including sign), no missing codes-guarantees monotonicity and full code coverage for precision measurement. |
| Conversion Rate | 60 conversions/second-supports real-time system monitoring without oversampling bottlenecks. |
| INL Error | ±2 LSB max (full temp range)-ensures ≤0.03% linearity error over operating conditions. |
| Offset Error | ±2 LSB max-enables accurate zero-point referencing in bridge or thermocouple circuits. |
| Supply Current | 800 µA during conversion, <0.2 µA in sleep-reduces thermal drift and enables battery-powered operation. |
| Differential Input Range | ±(VREF+ – VREF–) up to ±5 V-supports direct interfacing with industrial sensors and transducers. |
| I²C Address | Fixed 7-bit address 0x24 (0010100)-simplifies firmware integration with no address configuration required. |
Pinout & Package
Package: 8-lead plastic TSOT-23 (3 mm × 3 mm), lead-free, exposed pad not present (DFN variant has exposed pad; TSOT-23 does not).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| GND (Pin 1) | Ground reference | Primary return path for analog/digital supplies; must connect directly to low-impedance PCB ground plane. |
| REF– (Pin 2) | Negative reference input | Defines lower bound of differential reference voltage; accepts 0 V to (VCC – 2.5 V) with VREF+ > VREF– + 2.5 V. |
| REF+ (Pin 3) | Positive reference input | Defines upper bound of differential reference voltage; accepts (VCC – 2.5 V) to VCC. |
| VCC (Pin 4) | Positive supply | 2.7 V to 5.5 V single supply; requires local 0.1 µF + 10 µF ceramic decoupling per layout guidelines. |
| IN– (Pin 5) | Negative analog input | Differential input terminal; exhibits <10 nA DC leakage and 0.35 pF sampling capacitance. |
| IN+ (Pin 6) | Positive analog input | Differential input terminal; supports overrange/underrange digitization up to ±31 LSB beyond full scale. |
| SCL (Pin 7) | I²C clock input | Slave-only interface; accepts 0–400 kHz clock; rising edge latches data, falling edge outputs data. |
| SDA (Pin 8) | I²C bidirectional data | Open-drain output requiring external 1.7 kΩ pull-up to VCC; transmits 16-bit signed result MSB-first. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low input sampling current | 50 nA average-enables direct RC filtering (e.g., 1 kΩ + 0.1 µF) with <1 LSB error, eliminating active buffering. |
| No-latency multiplexed operation | Single-cycle settling-allows rapid switching between multiple sensors without dead time or settling delays. |
| Integrated oscillator | No external crystal or RC network required-reduces BOM count and layout sensitivity. |
| Auto-sleep on conversion completion | Power drops to <0.2 µA until next I²C read-ideal for intermittent sensing in energy-constrained nodes. |
| Continuous internal calibration | Offset and full-scale correction applied every conversion-maintains accuracy across temperature and time without host intervention. |
Applications
| System Monitoring | Environmental Monitoring |
|---|---|
Use Scenario: Real-time voltage, current, and temperature tracking in programmable logic controllers and remote I/O modules. IC Role / Device Role / Timing Role: Precision ADC capturing differential sensor outputs (e.g., shunt-based current, RTD bridges) with minimal external components. Use Value: 16-bit resolution and ±2 LSB INL ensure detection of sub-millivolt changes in 24 V industrial rails, supporting predictive maintenance algorithms. |
Use Scenario: Low-power air quality and humidity sensing nodes deployed in unattended field locations. IC Role / Device Role / Timing Role: Primary data acquisition engine for electrochemical gas sensors and capacitive humidity elements. Use Value: 0.2 µA sleep current enables multi-year battery life at 1 sample/minute; differential inputs reject common-mode noise from ambient EMI. |
| Direct Temperature Measurements | Instrumentation |
Use Scenario: Cold-junction compensation and thermocouple linearization in portable handheld meters. IC Role / Device Role / Timing Role: High-accuracy front-end digitizing thermocouple voltage referenced to local sensor temperature. Use Value: ±31 LSB overrange capability captures thermocouple transients beyond nominal range without clipping; negligible IN+/IN– leakage prevents thermocouple EMF corruption. |
Use Scenario: Calibration-grade benchtop multimeters and data loggers requiring traceable linearity. IC Role / Device Role / Timing Role: Core ADC in high-stability measurement chains with external precision references (e.g., LT6660). Use Value: Continuous internal calibration and <1.4 µVRMS transition noise support 16-bit effective resolution in lab-grade instruments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit differential I²C ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS1115IDGSR | 16-bit, 860 sps, PGA gain up to 16×, but higher 150 µA active current and no auto-sleep mode. | Better for high-gain, low-level signal conditioning; less suitable for ultra-low-power intermittent sensing. | Select ADS1115IDGSR when amplification of µV-level signals is required; LTC2453CTS8#TRMPBF preferred for direct sensor interfacing with lowest quiescent power. |
| MCP3424-E/SL | 18-bit, 15 sps, no internal oscillator (requires external clock), 1 µA sleep current, and larger SOIC-14 package. | Higher resolution but slower; lacks integrated timing and ultra-small footprint. | Choose MCP3424-E/SL only when 18-bit resolution is mandatory and board area is not constrained; LTC2453CTS8#TRMPBF offers superior size/power trade-off for 16-bit needs. |
Compared with ADS1115IDGSR and MCP3424-E/SL, the LTC2453CTS8#TRMPBF uniquely combines TSOT-23-8 packaging, 0.2 µA sleep current, and no-latency differential conversion-making it optimal for miniaturized, battery-operated measurement nodes where layout simplicity and long service life are critical.
Availability
LTC2453CTS8#TRMPBF is available at Aetrix Electronics and suitable for system monitoring, environmental sensing, and instrumentation applications requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production batches.
Supply support for LTC2453CTS8#TRMPBF 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. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.
The LTC2453CTS8#TRMPBF belongs to Linear Technology's ultra-low-power delta-sigma ADC product line, designed specifically for precision measurement in space- and energy-constrained embedded systems-from industrial IoT nodes to portable test equipment.
FAQ
What is the operating temperature range for the LTC2453CTS8#TRMPBF?
The LTC2453CTS8#TRMPBF is specified for the C-grade temperature range of 0°C to 70°C. This differs from the I-grade variant (LTC2453ITS8#TRMPBF), which supports –40°C to 85°C. The C-grade rating reflects its intended use in commercial and controlled-environment applications where extended industrial temperature tolerance is not required.
Does the LTC2453CTS8#TRMPBF require external clock components?
No, the LTC2453CTS8#TRMPBF includes an integrated oscillator that requires no external crystals, capacitors, or resistors. This simplifies design, reduces bill-of-materials cost, and improves reliability by eliminating timing component dependencies-confirmed in the device's "FEATURES" and "DESCRIPTION" sections.
How does the LTC2453CTS8#TRMPBF handle input overrange conditions?
The LTC2453CTS8#TRMPBF provides typical ±31 LSB of combined overrange and underrange capability beyond full scale. For example, with a 5 V reference, it can correctly digitize inputs up to ~1.22 mV beyond VREF+ or below VREF–, as verified in Figure 2 and the "Reference Voltage Range" section of the datasheet.
What is the I²C address of the LTC2453CTS8#TRMPBF?
The LTC2453CTS8#TRMPBF has a fixed 7-bit I²C slave address of 0x24 (binary 0010100), as explicitly stated in the "I2C INTERFACE" section and Figure 4 timing diagram. No address pins or configuration registers exist-addressing is hard-wired and immutable.
Can the LTC2453CTS8#TRMPBF be used with a single-ended input configuration?
No-the LTC2453CTS8#TRMPBF is strictly a fully differential ADC. Its IN+ and IN– pins must be driven differentially relative to the REF+ and REF– reference pair. Single-ended operation is not supported; attempting it violates the input voltage constraints and invalidates accuracy specifications.
LTC2453CTS8#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-8 Thin, TSOT-23-8
- 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:
- External
- Voltage - Supply, Analog:
- 2.7V ~ 5.5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.5V
- Features:
- -
- Operating Temperature:
- 0°C ~ 70°C
- Supplier Device Package:
- TSOT-23-8
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2453CTS8#TRMPBF FAQ
1.How can I place an order for LTC2453CTS8#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2453CTS8#TRMPBF 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 LTC2453CTS8#TRMPBF reliable?
The price and inventory of LTC2453CTS8#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2453CTS8#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC2453CTS8#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2453CTS8#TRMPBF transactions.
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4.How is shipping managed for LTC2453CTS8#TRMPBF?
LTC2453CTS8#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2453CTS8#TRMPBF 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 LTC2453CTS8#TRMPBF?
For technical support, including LTC2453CTS8#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2453CTS8#TRMPBF requirements.
6.How does Aetrix verify that LTC2453CTS8#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC2453CTS8#TRMPBF 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 LTC2453CTS8#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC2453CTS8#TRMPBF?
All LTC2453CTS8#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2453CTS8#TRMPBF, 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 LTC2453CTS8#TRMPBF part is unused and in its original packaging.
Return procedure for LTC2453CTS8#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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