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Analog Devices Inc. LTC2366CTS8#TRMPBF
- Part No.:
- LTC2366CTS8#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC2366CTS8#TRMPBF.pdf
- Description:
- IC ADC 12BIT SAR TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:559
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Product details
Overview
LTC2366CTS8#TRMPBF from Analog Devices (formerly Linear Technology) is a 12-bit, 3Msps successive-approximation analog-to-digital converter (SAR ADC) in an 8-lead TSOT-23 package. It operates from a single 2.35V–3.6V supply, draws 2.6mA typical current at full speed, delivers 72dB SINAD and –80.3dB THD at 994kHz input, and features dedicated VREF and OVDD pins for flexible reference and digital output voltage control - ideal for battery-powered instrumentation and high-speed sensor interfaces.
For engineers reviewing the LTC2366CTS8#TRMPBF datasheet, LTC2366CTS8#TRMPBF pinout, LTC2366CTS8#TRMPBF application, or LTC2366CTS8#TRMPBF equivalent, key selection criteria include its 3Msps sampling rate with 48MHz SCK support, 1.4V–VDD reference range, 1V–VDD OVDD compatibility, sleep mode (0.1µA), and guaranteed operation from 0°C to 70°C in the C-grade TSOT-23-8 package.
Technical Context
The LTC2366CTS8#TRMPBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, supporting true 12-bit no-missing-codes performance. Its timing is synchronized to an external SCK clock, with conversion initiated on CS falling edge and data output MSB-first over 16 SCK cycles (two leading zeros, 12 data bits, two trailing zeros).
Unlike the 6-lead S6 variant, the TS8 package separates reference (VREF) and digital output supply (OVDD) functions, enabling independent scaling of analog input span (0V to VREF, down to 1.4V) and digital logic swing (1V to VDD), allowing direct interfacing with 1.8V/2.5V/3V microcontrollers without level shifters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes - guarantees monotonic transfer function and deterministic code transitions across full temperature range. |
| Sampling Rate | 3Msps maximum - enables digitization of signals up to 1.5MHz Nyquist bandwidth with undersampling capability. |
| SINAD | 72dB at fIN = 994kHz, fSMPL = 3Msps - supports >11.6 effective bits for precision measurement applications. |
| THD | –80.3dB at fIN = 994kHz - low distortion preserves signal integrity in communication and medical imaging front-ends. |
| Supply Current | 2.6mA typical at 3Msps - achieves 6mW power dissipation at 3V, enabling compact, thermally constrained designs. |
| Sleep Current | 0.1µA typical - allows rapid wake-up (<1µs) and ultra-low quiescent power during idle periods in portable systems. |
| Reference Range | VREF = 1.4V to VDD - supports reduced-span operation for improved resolution (342µV at 1.4V full scale) with direct sensor connection. |
| Digital Output Supply | OVDD = 1V to VDD - ensures compatible logic levels with 1.8V, 2.5V, or 3V host processors without external level translation. |
Pinout & Package
Package: 8-lead plastic TSOT-23 (0°C to 70°C operating range), 2.9mm × 1.6mm footprint, 0.65mm pitch, exposed pad optional.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Analog and core digital supply | 2.35V–3.6V input powering internal circuitry; bypass with 10µF ceramic capacitor to GND for stability. |
| VREF (Pin 2) | External reference input | Defines full-scale analog input range (0V to VREF); supports 1.4V minimum for enhanced resolution with low-voltage sensors. |
| GND (Pin 3) | Analog ground reference | Must connect directly to solid ground plane; serves as return path for analog input and reference currents. |
| AIN (Pin 4) | Single-ended analog input | High-impedance input (±1µA leakage) accepting 0V to VREF; no gain stage required for many transducer interfaces. |
| OVDD (Pin 5) | Digital output driver supply | Controls SDO logic swing (1V–VDD); enables interoperability with mixed-voltage digital systems (e.g., 1.8V FPGA I/O). |
| SDO (Pin 6) | Three-state serial data output | MSB-first 16-bit frame (00 + 12-bit code + 00); enters Hi-Z when CS is high or after 16th SCK falling edge. |
| SCK (Pin 7) | Serial clock input | Accepts up to 48MHz clock; falling edge clocks out data; timing-critical for achieving 3Msps throughput (tTHROUGHPUT = 333ns). |
| CS (Pin 8) | Chip select / conversion start | Active-low signal initiating conversion on falling edge; frames serial data transfer and controls SDO enable timing. |
Key Features
| Feature | Design Value |
|---|---|
| 3Msps sampling with 48MHz SCK | Enables real-time capture of fast transient events (e.g., motor current spikes, ultrasound echoes) without oversampling hardware. |
| Independent VREF and OVDD pins | Decouples analog accuracy from digital interface voltage, eliminating level shifters and reducing BOM count in mixed-supply systems. |
| 1.4V minimum reference voltage | Delivers 342µV LSB resolution at 1.4V full scale - suitable for low-output sensors (e.g., piezoresistive bridges, thermopiles) without amplification. |
| 0.1µA sleep mode current | Reduces average system power in duty-cycled applications (e.g., wireless sensor nodes), extending battery life by orders of magnitude. |
| Guaranteed operation to 70°C | Validated performance across commercial temperature range - simplifies thermal design for industrial handhelds and automotive cabin modules. |
| No data latency | Provides deterministic conversion timing (tCONV = 277ns) critical for closed-loop control systems requiring precise jitter control. |
Applications
| Portable Data Acquisition | Medical Sensor Interface |
|---|---|
Use Scenario: Handheld multimeter capturing AC/DC voltage, current, and temperature with sub-second update rate. IC Role / Device Role / Timing Role: Primary SAR ADC digitizing conditioned sensor outputs; 3Msps rate enables fast auto-ranging and RMS calculation. Use Value: Single-supply operation and integrated sample-and-hold eliminate external op-amps and reduce PCB area by >30% versus discrete solutions. |
Use Scenario: Portable ECG monitor acquiring lead-II signals at ≥1ksps with low noise and high common-mode rejection. IC Role / Device Role / Timing Role: Front-end ADC converting amplified biopotential signals; 72dB SINAD ensures clean waveform fidelity for arrhythmia detection. Use Value: 1.4V reference support enables direct connection to low-gain instrumentation amplifiers, minimizing noise contribution from gain stages. |
| Battery-Powered Test Equipment | Automotive Cabin Monitoring |
Use Scenario: Wireless oscilloscope probe digitizing 100kHz sensor waveforms while operating from coin-cell battery. IC Role / Device Role / Timing Role: Low-power ADC managing acquisition duty cycle; sleep mode reduces average current to <1µA between triggers. Use Value: 0.1µA sleep current extends 200mAh CR2032 battery life to >1 year in intermittent-use scenarios. |
Use Scenario: In-cabin air quality sensor measuring CO₂, VOC, and humidity with microcontroller-based signal processing. IC Role / Device Role / Timing Role: Multi-channel ADC digitizing analog outputs from electrochemical and NDIR sensors; OVDD = 1.8V matches MCU I/O voltage. Use Value: Independent OVDD eliminates need for dual-rail level translators, reducing component count and EMI risk in EMC-sensitive automotive environments. |
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 |
|---|---|---|---|
| ADS7953IRHBT | 12-bit, 1MSPS, SPI-compatible, 16-channel MUX, 2.7–5.25V supply, no dedicated VREF/OVDD separation. | Higher channel count but lower speed; requires external reference and level-shifting for 1.8V hosts. | Select when multi-channel scanning is needed and 3Msps is not required; avoid if VREF flexibility or ultra-low sleep current is critical. |
| MAX11192ETE+ | 12-bit, 3Msps, 2.7–3.6V supply, internal reference only (no external VREF), 1.7–3.6V OVDD, 0.5µA sleep current. | Fixed 2.048V internal reference limits full-scale range flexibility; higher sleep current than LTC2366CTS8#TRMPBF. | Select for simplified BOM where fixed reference suffices; avoid when variable sensor output spans demand adjustable VREF down to 1.4V. |
Compared with ADS7953IRHBT and MAX11192ETE+, the LTC2366CTS8#TRMPBF uniquely combines 3Msps speed, externally adjustable 1.4V–VDD reference, independent 1V–VDD OVDD, and industry-leading 0.1µA sleep current - making it optimal for compact, battery-constrained, high-fidelity sensor digitization.
Availability
LTC2366CTS8#TRMPBF is available at Aetrix Electronics and suitable for portable instrumentation, medical sensor interfaces, battery-powered test equipment, and automotive cabin monitoring systems requiring stable component supply, long-term lifecycle support, and guaranteed commercial-temperature performance.
Supply support for LTC2366CTS8#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 semiconductors, formed through the acquisition of Linear Technology in 2017.
The LTC2366CTS8#TRMPBF belongs to ADI's precision SAR ADC product line, designed specifically for space-constrained, low-power, high-speed data acquisition systems where accuracy, speed, and supply flexibility must coexist without compromise.
FAQ
What is the maximum sampling rate supported by the LTC2366CTS8#TRMPBF?
The LTC2366CTS8#TRMPBF supports a maximum sampling rate of 3Msps, achieved using a 48MHz SCK clock with 14 SCK cycles per conversion (tTHROUGHPUT = 333ns). This rate is fully characterized and guaranteed over the 0°C to 70°C operating temperature range specified for the C-grade part.
Does the LTC2366CTS8#TRMPBF require an external reference voltage?
Yes, the LTC2366CTS8#TRMPBF requires an external reference voltage applied to the VREF pin. The VREF range is 1.4V to VDD (2.35V–3.6V), and it defines the full-scale analog input range (0V to VREF). No internal reference is provided - this external reference architecture enables precise scaling for diverse sensor outputs.
Can the LTC2366CTS8#TRMPBF interface directly with a 1.8V microcontroller?
Yes, the LTC2366CTS8#TRMPBF can interface directly with a 1.8V microcontroller by setting OVDD = 1.8V. The SDO output swing is controlled solely by OVDD, not VDD, allowing logic-level compatibility with 1.8V, 2.5V, or 3V digital systems without external level shifters or resistive dividers.
What is the sleep current specification for the LTC2366CTS8#TRMPBF?
The LTC2366CTS8#TRMPBF has a typical sleep current of 0.1µA at 25°C, with guaranteed maximum of 5µA over the full 0°C to 70°C temperature range. Sleep mode is entered when CS is held high and SCK is static; wake-up time is ≤1µs, enabling rapid response to trigger events in duty-cycled systems.
Is the LTC2366CTS8#TRMPBF pin-compatible with other members of the LTC2365/LTC2366 family?
The LTC2366CTS8#TRMPBF shares the same 8-lead TSOT-23 pinout with all other TS8-package variants (e.g., LTC2366ITS8#TRMPBF, LTC2365CTS8#TRMPBF), including identical VDD/VREF/GND/AIN/OVDD/SDO/SCK/CS assignments. However, it is not pin-compatible with the 6-lead S6-package versions due to differing pin count and function allocation.
LTC2366CTS8#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:
- 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:
- 0°C ~ 70°C
- Supplier Device Package:
- TSOT-23-8
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2366CTS8#TRMPBF FAQ
1.How can I place an order for LTC2366CTS8#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2366CTS8#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 LTC2366CTS8#TRMPBF reliable?
The price and inventory of LTC2366CTS8#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2366CTS8#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC2366CTS8#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2366CTS8#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2366CTS8#TRMPBF?
LTC2366CTS8#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2366CTS8#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 LTC2366CTS8#TRMPBF?
For technical support, including LTC2366CTS8#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2366CTS8#TRMPBF requirements.
6.How does Aetrix verify that LTC2366CTS8#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC2366CTS8#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 LTC2366CTS8#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC2366CTS8#TRMPBF?
All LTC2366CTS8#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2366CTS8#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 LTC2366CTS8#TRMPBF part is unused and in its original packaging.
Return procedure for LTC2366CTS8#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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