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Analog Devices Inc. LTC2366IS6#TRMPBF
- Part No.:
- LTC2366IS6#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LTC2366IS6#TRMPBF.pdf
- Description:
- IC ADC 12BIT SAR TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,435
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Product details
Overview
LTC2366IS6#TRMPBF from Analog Devices (formerly Linear Technology) is a 12-bit, 3Msps successive-approximation analog-to-digital converter (SAR ADC) in a 6-lead TSOT-23 package, operating from a single 2.35V–3.6V supply with 2.6mA typical supply current. It features 72dB SINAD at 3Msps, 0.34LSB RMS transition noise, no data latency, and –40°C to +85°C industrial temperature range. It enables direct sensor interfacing with 0V to VDD analog input range in compact, battery-powered data acquisition systems.
For engineers reviewing the LTC2366IS6#TRMPBF datasheet, LTC2366IS6#TRMPBF pinout, LTC2366IS6#TRMPBF application, or LTC2366IS6#TRMPBF equivalent, key selection criteria include guaranteed 3Msps throughput with 48MHz SCK, sleep mode drawing only 0.1µA, single-supply operation, TSOT-23-6 footprint compatibility, and full industrial temperature support without external reference.
Technical Context
The LTC2366IS6#TRMPBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, using VDD as both supply and reference. Its analog input is single-ended with respect to GND, spanning 0V to VDD, eliminating need for external reference or level-shifting circuitry in many sensor applications.
It employs a 3-wire SPI/MICROWIRE-compatible serial interface with CS-active-low framing, MSB-first 16-bit frame (two leading zeros + 12 data bits + two trailing zeros), and SDO output synchronized to falling SCK edges. Conversion completes in 333ns minimum throughput time, with acquisition time of 56ns and conversion time of 277ns at 3Msps.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes - guarantees monotonic transfer function and deterministic code mapping across full temperature range. |
| Sampling Rate | 3Msps maximum - supports undersampling of signals up to 1.5MHz Nyquist frequency with 72dB SINAD maintained. |
| SINAD | 72dB at fIN = 994kHz, fSMPL = 3Msps - enables high-fidelity digitization of RF or wideband sensor outputs without post-processing correction. |
| Supply Current | 2.6mA typical at 3Msps - achieves 6mW power dissipation at 3V, enabling >100ksps operation from coin-cell batteries. |
| Sleep Current | 0.1µA typical - allows rapid wake-up (<1µs) and ultra-low quiescent power during idle intervals in duty-cycled systems. |
| Analog Input Range | 0V to VDD (2.35V–3.6V) - permits direct connection to unbuffered voltage-output sensors without gain stage or rail-to-rail op-amp. |
| Operating Temperature | –40°C to +85°C - qualified for industrial control, automotive cabin electronics, and portable test equipment environments. |
Pinout & Package
Package: 6-lead Plastic TSOT-23 (S6), 1.6mm × 1.6mm × 0.55mm profile, exposed pad optional, RoHS-compliant lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Positive supply and internal reference | Defines full-scale analog input range (0V to VDD); must be bypassed with 10µF ceramic + 0.1µF ceramic to solid ground plane. |
| GND (Pin 2) | Analog and digital ground reference | Single ground connection for all internal circuits; requires low-inductance tie to system ground plane. |
| AIN (Pin 3) | Analog input terminal | Single-ended input referenced to GND; accepts 0V to VDD range; input capacitance is 4pF during conversion. |
| SCK (Pin 4) | Serial clock input | Controls conversion timing and data shift-out; supports up to 48MHz; falling edge clocks data out on SDO. |
| SDO (Pin 5) | Three-state serial data output | Outputs 16-bit frame (MSB first: 00 + 12-bit result + 00); driven by VDD; enters Hi-Z when CS is high. |
| CS (Pin 6) | Chip select input | Active-low signal that initiates conversion on falling edge and frames serial data transfer; minimum pulse width is 4ns. |
Key Features
| Feature | Design Value |
|---|---|
| No data latency | Output data valid immediately after final SCK edge - eliminates pipeline delay in real-time closed-loop control. |
| Integrated sample-and-hold | Aperture jitter of 0.3ns RMS - preserves signal integrity for high-frequency inputs up to 30MHz full-power bandwidth. |
| Flexible serial interface | 16-bit frame with leading/trailing zeros - simplifies bit alignment in microcontroller firmware without masking or shifting. |
| Direct sensor interface capability | 0V to VDD input range with 1.4V minimum effective span - avoids external op-amps for thermocouples, RTDs, and MEMS sensors. |
| Industrial temperature grade | –40°C to +85°C operation with guaranteed specs - supports deployment in motor drives, PLC I/O modules, and outdoor instrumentation. |
Applications
| Portable Data Loggers | Industrial Sensor Interfaces |
|---|---|
Use Scenario: Battery-powered environmental monitoring unit sampling temperature, humidity, and pressure sensors at 1–10ksps with 12-bit resolution over 6+ months. IC Role / Device Role / Timing Role: Primary ADC converting analog sensor outputs to digital stream for MCU processing and wireless transmission. Use Value: 2.6mA active current and 0.1µA sleep current extend battery life; TSOT-23-6 footprint minimizes PCB area in space-constrained enclosures. | Use Scenario: DIN-rail mounted analog input module acquiring 4–20mA loop signals and thermocouple outputs in factory automation systems. IC Role / Device Role / Timing Role: High-speed front-end ADC providing isolated analog channel digitization with minimal latency for real-time PID control. Use Value: 3Msps sampling enables oversampling for noise reduction; 72dB SINAD ensures accurate representation of low-level sensor signals amid EMI-rich plant floors. |
| Medical Point-of-Care Devices | Automotive Cabin Electronics |
Use Scenario: Handheld ECG or pulse oximeter requiring low-noise, low-power analog acquisition with clinical-grade accuracy. IC Role / Device Role / Timing Role: Signal-chain ADC capturing biopotential waveforms with high dynamic range and minimal thermal drift. Use Value: 0.34LSB transition noise and 73dB SNR meet IEC 60601-2-27 requirements for diagnostic waveform fidelity; –40°C to +85°C rating covers clinical and transport conditions. | Use Scenario: In-vehicle cabin air quality monitor measuring CO₂, VOC, and particulate levels in HVAC control units. IC Role / Device Role / Timing Role: Multi-channel ADC digitizing outputs from electrochemical and NDIR gas sensors under varying thermal loads. Use Value: Single 3V supply simplifies power architecture; VDD-referenced input eliminates need for precision external reference, reducing BOM cost and layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 12-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7822U | 2.7V–5.25V supply; 1Msps max; 71dB SINAD; 8-pin SOIC package | Lower sampling rate and larger footprint; lacks sleep mode; requires external reference | Choose for legacy designs needing SOIC compatibility and wider supply range, but not for 3Msps or space-constrained layouts. |
| MAX11166ETE+ | 2.7V–3.6V supply; 3Msps; 73dB SINAD; 12-bit; 12-pin TQFN package | Higher pin count, different serial protocol (no leading/trailing zeros), no VDD-as-reference option | Prefer when higher channel density or daisy-chain capability is required, but avoid if TSOT-23-6 footprint or VDD-referenced simplicity is critical. |
Compared with ADS7822U and MAX11166ETE+, the LTC2366IS6#TRMPBF uniquely combines 3Msps speed, VDD-as-reference simplicity, TSOT-23-6 size, and 0.1µA sleep current-making it optimal for ultra-compact, battery-sensitive, single-supply sensor nodes where minimal external components and fast wake-up are essential.
Availability
LTC2366IS6#TRMPBF is available at Aetrix Electronics and suitable for portable medical devices, industrial sensor transmitters, automotive cabin monitors, and handheld test equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC2366IS6#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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC2366IS6#TRMPBF belongs to ADI's precision SAR ADC product line, designed specifically for low-power, high-speed, space-constrained applications where integration, accuracy, and ease of use outweigh multi-channel flexibility or programmable features.
FAQ
What is the maximum sampling rate supported by the LTC2366IS6#TRMPBF?
The LTC2366IS6#TRMPBF supports a maximum sampling rate of 3Msps, achieved with a 48MHz SCK clock and minimum throughput time of 333ns. This is confirmed in the Timing Characteristics table (page 5) of the official datasheet, where fSMPL(MAX) is specified as 3MHz over the full –40°C to +85°C temperature range for the I-grade part.
Does the LTC2366IS6#TRMPBF require an external reference voltage?
No, the LTC2366IS6#TRMPBF does not require an external reference. As a 6-lead TSOT-23 (S6) variant, it uses VDD as the internal reference, establishing a 0V to VDD analog input range. This is explicitly stated in the Pin Functions section (page 9) and Applications Information (page 14), distinguishing it from the 8-lead TS8 variants that accept external VREF.
What is the sleep mode current consumption of the LTC2366IS6#TRMPBF?
The LTC2366IS6#TRMPBF draws 0.1µA typical supply current in sleep mode, as specified in the Power Requirement table (page 4) under "Sleep Mode" for the –40°C to +85°C temperature range. This value is guaranteed over the full industrial temperature range and enables ultra-low-power operation in duty-cycled sensor systems.
Can the LTC2366IS6#TRMPBF interface directly with a 1.8V microcontroller?
No, the LTC2366IS6#TRMPBF cannot directly interface with a 1.8V microcontroller because its SDO output swing is referenced to VDD (2.35V–3.6V), and it lacks a separate OVDD pin. The S6 package does not support independent digital output voltage scaling. For 1.8V logic compatibility, the 8-lead TS8 variant (e.g., LTC2366ITS8#TRMPBF) with dedicated OVDD pin must be used instead.
What is the analog input impedance and leakage current of the LTC2366IS6#TRMPBF?
The LTC2366IS6#TRMPBF has an analog input leakage current of ±1µA maximum over temperature (page 3, Analog Inputs table) and input capacitance of 4pF during conversion (page 3). Its input is high-impedance single-ended with respect to GND, and no series resistance is required for typical sensor connections - though source impedance should remain below 1kΩ to maintain AC performance per design guidelines.
LTC2366IS6#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 3M
- Number of Inputs:
- 1
- Input Type:
- Single Ended
- 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:
- 2.35V ~ 3.6V
- Voltage - Supply, Digital:
- 2.35V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- TSOT-23-6
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2366IS6#TRMPBF FAQ
1.How can I place an order for LTC2366IS6#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2366IS6#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 LTC2366IS6#TRMPBF reliable?
The price and inventory of LTC2366IS6#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2366IS6#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC2366IS6#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2366IS6#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2366IS6#TRMPBF?
LTC2366IS6#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2366IS6#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 LTC2366IS6#TRMPBF?
For technical support, including LTC2366IS6#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2366IS6#TRMPBF requirements.
6.How does Aetrix verify that LTC2366IS6#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC2366IS6#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 LTC2366IS6#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC2366IS6#TRMPBF?
All LTC2366IS6#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2366IS6#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 LTC2366IS6#TRMPBF part is unused and in its original packaging.
Return procedure for LTC2366IS6#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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