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Analog Devices Inc. LTC2366HTS8#TRPBF
- Part No.:
- LTC2366HTS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC2366HTS8#TRPBF.pdf
- Description:
- IC ADC 12BIT SAR TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:4,332
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Product details
Overview
LTC2366HTS8#TRPBF from Analog Devices (formerly Linear Technology) is a 3Msps, 12-bit successive-approximation ADC in an 8-lead TSOT-23 package, operating from a single 2.35V–3.6V supply with 2.6mA typical supply current. It features dedicated external reference (VREF), independent digital output supply (OVDD: 1V–VDD), SPI/MICROWIRE-compatible serial interface, and guaranteed operation from –40°C to 125°C. It delivers 72dB SINAD and –80dB THD at 3Msps for high-fidelity signal acquisition in compact, thermally demanding systems.
For engineers reviewing the LTC2366HTS8#TRPBF datasheet, LTC2366HTS8#TRPBF pinout, LTC2366HTS8#TRPBF application, or LTC2366HTS8#TRPBF equivalent, key selection criteria include its 3Msps sampling rate with 48MHz SCK support, 1.4V–VDD programmable full-scale range, sleep mode (0.1µA), and TSOT-23-8 thermal performance up to 125°C ambient.
Technical Context
The LTC2366HTS8#TRPBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, achieving 0.34LSB RMS transition noise and 1ns aperture jitter. Its analog input is single-ended (0V to VREF), referenced to GND, and supports reduced spans down to 1.4V full scale without gain stages.
It uses a 3-wire SPI-compatible serial interface with CS-active-low framing, MSB-first 16-bit frame (two leading zeros + 12 data bits + two trailing zeros), and configurable SDO timing-valid on SCK falling edge with 14-cycle minimum conversion time (333ns throughput). OVDD decouples digital output swing from VDD, enabling interoperability with 1.8V/2.5V/3V logic domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Sampling Rate | 3Msps - enables real-time digitization of signals up to 1.5MHz Nyquist bandwidth with undersampling capability |
| Resolution | 12-bit with no missing codes - guarantees monotonic transfer function and deterministic code mapping |
| SINAD / SNR | 72dB / 73dB at 1MHz input - supports >11.6 effective bits (ENOB) for precision measurement applications |
| THD | –80.3dB at 994kHz - low harmonic distortion critical for spectral purity in communication and medical imaging |
| Supply Current | 2.6mA at 3Msps - achieves 6mW power dissipation at 3V, optimizing battery life in portable instrumentation |
| Operating Temp | –40°C to 125°C - qualified for under-hood automotive, industrial motor control, and aerospace environments |
| VREF Range | 1.4V to VDD - allows flexible scaling (e.g., 1.8V reference for 150µV LSB resolution) without external buffers |
| Sleep Current | 0.1µA typical - reduces standby power by >26,000× versus active mode for duty-cycled sensor interfaces |
Pinout & Package
Package: 8-lead plastic TSOT-23 (0.65mm pitch, 2.9mm × 1.6mm footprint, 0.8mm height), optimized for thermal dissipation (θJA = 250°C/W) and high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Analog supply input | 2.35V–3.6V main supply; defines internal biasing and sets maximum VREF; requires 10µF ceramic bypass to GND |
| VREF (Pin 2) | External reference input | 1.4V–VDD reference voltage; determines full-scale analog input range (0V to VREF); bypass with 4.7µF ceramic |
| GND (Pin 3) | Analog ground | Primary return path for analog circuitry; must connect directly to solid ground plane to minimize noise coupling |
| AIN (Pin 4) | Analog input | Single-ended input referenced to GND; accepts 0V–VREF; high-impedance (±1µA leakage) with 4pF capacitance during conversion |
| OVDD (Pin 5) | Digital output supply | 1V–VDD supply for SDO driver; sets logic-high level independently of VDD-enables interfacing with 1.8V FPGA I/O banks |
| SDO (Pin 6) | Serial data output | Three-state MSB-first output; drives 16-bit frame (00 + 12b + 00); transitions on SCK falling edge; Hi-Z when CS high |
| SCK (Pin 7) | Serial clock input | Up to 48MHz clock; controls conversion timing and data shift; falling edge clocks data out and advances SAR logic |
| CS (Pin 8) | Chip select input | Active-low conversion trigger; falling edge initiates sample-and-hold hold mode and starts conversion sequence |
Key Features
| Feature | Design Value |
|---|---|
| TSOT-23-8 thermal grade H | Rated for continuous operation from –40°C to 125°C ambient, validated for automotive under-hood and industrial motor drive use cases |
| Independent OVDD supply | Decouples digital I/O voltage from analog supply, enabling direct connection to mixed-voltage SoCs and FPGAs without level shifters |
| Reduced full-scale span | Supports 1.4V–VDD reference range, delivering 342µV LSB resolution at 1.8V reference-ideal for low-voltage sensor front-ends |
| No data latency | Output data available immediately after conversion completes; no pipeline delay simplifies real-time control loop timing |
| Low-power sleep mode | 0.1µA quiescent current with full retention of configuration; wake-up time <333ns enables microsecond-scale duty cycling |
| High dynamic range | 72dB SINAD at 3Msps ensures >11-bit effective resolution across 0–1.5MHz input spectrum for RF sampling and ultrasound applications |
Applications
| Portable Medical Sensors | Automotive Battery Monitoring |
|---|---|
Use Scenario: Digitizing ECG, pulse oximetry, or glucose sensor outputs in handheld diagnostic devices with strict size and battery-life constraints. IC Role / Device Role / Timing Role: 12-bit SAR ADC capturing analog biosignals at ≥1ksps with minimal power draw and no external gain stage required. Use Value: Direct 0V–1.8V sensor interface via VREF eliminates op-amp buffer, reducing BOM count and board area while maintaining 72dB SINAD for clinical-grade fidelity. | Use Scenario: Monitoring individual cell voltages in 12–48V Li-ion battery packs within electric vehicle battery management systems (BMS). IC Role / Device Role / Timing Role: High-speed, temperature-stable ADC sampling multiple cells sequentially in <1ms per string under under-hood thermal stress. Use Value: Guaranteed –40°C to 125°C operation and 0.1µA sleep current enable reliable cell monitoring during vehicle shutdown and hot-soak conditions. |
| Industrial Motor Control Feedback | Communications Baseband Sampling |
Use Scenario: Capturing current-sense amplifier outputs for field-oriented control (FOC) in servo drives and inverters operating in harsh factory environments. IC Role / Device Role / Timing Role: 3Msps ADC acquiring phase current waveforms synchronized to PWM switching cycles for real-time torque calculation. Use Value: 333ns throughput time and no latency allow sub-microsecond current loop closure; 72dB SINAD preserves signal integrity despite high dv/dt noise. | Use Scenario: Undersampling IF signals in software-defined radio (SDR) receivers and broadband test equipment requiring wide instantaneous bandwidth. IC Role / Device Role / Timing Role: High-Nyquist ADC digitizing 1–2MHz bandpass signals centered at 10–50MHz using track-and-hold aliasing techniques. Use Value: Full-power bandwidth >30MHz and flat SINAD response beyond Nyquist enable clean undersampling without external anti-alias filters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 12-bit, high-speed SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7953IRHBT | 12-bit, 1MSPS, 16-channel MUX, 2.7–5.25V supply, SPI interface, 16-QFN package | Integrated multiplexer supports multi-sensor scanning; lacks 3Msps speed and –40°C to 125°C rating | Select for multi-channel data acquisition where channel count outweighs speed and extended temperature needs |
| MAX11192ETE+ | 12-bit, 3Msps, 2.7–3.6V supply, SPI, 16-TQFN, –40°C to 125°C, but no separate OVDD or VREF pins | Fixed 3V supply for both analog and digital domains; no independent reference or output voltage scaling | Select when system uses uniform 3V rails and does not require 1.4V–VDD reference flexibility or 1.8V logic compatibility |
Compared with ADS7953IRHBT and MAX11192ETE+, the LTC2366HTS8#TRPBF uniquely combines 3Msps speed, TSOT-23-8 footprint, independent VREF/OVDD, and full industrial temperature range-making it optimal for space-constrained, thermally aggressive, mixed-voltage signal chains.
Availability
LTC2366HTS8#TRPBF is available at Aetrix Electronics and suitable for portable medical sensors, automotive battery monitoring, industrial motor control feedback, communications baseband sampling, and high-reliability embedded instrumentation requiring stable component supply across extended temperature ranges.
Supply support for LTC2366HTS8#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 LTC2366HTS8#TRPBF belongs to ADI's legacy Linear Technology precision data converter portfolio, designed specifically for ultra-low-power, high-speed, thermally robust signal acquisition in space- and energy-constrained embedded systems.
FAQ
What is the maximum sampling rate supported by the LTC2366HTS8#TRPBF?
The LTC2366HTS8#TRPBF supports a maximum sampling rate of 3Msps, achieved using a 48MHz SCK clock with a minimum 14-cycle conversion time (333ns throughput). This rate is fully specified and guaranteed over the –40°C to 125°C operating temperature range, making LTC2366HTS8#TRPBF suitable for real-time control and high-bandwidth sensing applications.
Does the LTC2366HTS8#TRPBF require an external reference voltage?
Yes, the LTC2366HTS8#TRPBF requires an external reference voltage applied to the VREF pin (Pin 2). The VREF range is 1.4V to VDD, and it directly defines the full-scale analog input range (0V to VREF). Unlike the S6-package variants, the TS8 package provides dedicated VREF and OVDD pins, giving LTC2366HTS8#TRPBF flexible scaling and mixed-voltage interface capability.
Can the LTC2366HTS8#TRPBF interface with 1.8V logic systems?
Yes, the LTC2366HTS8#TRPBF can interface directly with 1.8V logic systems via its OVDD pin (Pin 5), which supplies the SDO output driver. When OVDD = 1.8V, the SDO high-level output is ~1.6V (VDD – 0.2V), meeting 1.8V logic VIH requirements. This eliminates level shifters in mixed-voltage designs, and LTC2366HTS8#TRPBF maintains full 3Msps performance with OVDD set independently from VDD.
What is the sleep mode current consumption of the LTC2366HTS8#TRPBF?
The LTC2366HTS8#TRPBF draws 0.1µA typical supply current in sleep mode, with guaranteed operation across the full –40°C to 125°C temperature range. Sleep mode is entered via serial command or automatic timeout, and wake-up occurs on CS assertion with <333ns recovery time. This ultra-low sleep current makes LTC2366HTS8#TRPBF ideal for battery-powered devices requiring microsecond-scale duty cycling.
Is the LTC2366HTS8#TRPBF pin-compatible with other members of the LTC236x family?
No, the LTC2366HTS8#TRPBF is not pin-compatible with the 6-lead S6-package variants (e.g., LTC2366HS6#TRPBF) due to differing pin counts and functions. However, among TS8-package parts-including LTC2365HTS8#TRPBF and LTC2366HTS8#TRPBF-the pinout is identical. The primary functional difference is sampling rate: LTC2366HTS8#TRPBF operates at 3Msps, while LTC2365HTS8#TRPBF is rated for 1Msps, and both share the same LTC2366HTS8#TRPBF pin assignments and electrical interface.
LTC2366HTS8#TRPBF 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:
- 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 ~ 125°C
- Supplier Device Package:
- TSOT-23-8
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2366HTS8#TRPBF FAQ
1.How can I place an order for LTC2366HTS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2366HTS8#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 LTC2366HTS8#TRPBF reliable?
The price and inventory of LTC2366HTS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2366HTS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2366HTS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2366HTS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2366HTS8#TRPBF?
LTC2366HTS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2366HTS8#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 LTC2366HTS8#TRPBF?
For technical support, including LTC2366HTS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2366HTS8#TRPBF requirements.
6.How does Aetrix verify that LTC2366HTS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2366HTS8#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 LTC2366HTS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2366HTS8#TRPBF?
All LTC2366HTS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2366HTS8#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 LTC2366HTS8#TRPBF part is unused and in its original packaging.
Return procedure for LTC2366HTS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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