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Analog Devices Inc. LTC2362CTS8#TRMPBF
- Part No.:
- LTC2362CTS8#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC2362CTS8#TRMPBF.pdf
- Description:
- IC ADC 12BIT SAR TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:4,074
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Product details
Overview
LTC2362CTS8#TRMPBF from Analog Devices (formerly Linear Technology) is a 12-bit, 500ksps successive-approximation ADC in an 8-lead TSOT-23 package, operating from a single 2.35V–3.6V supply with 1.1mA typical supply current at full rate and 0.1μA sleep current. It features dedicated VREF and OVDD pins, 0V to VREF analog input range (down to 1.4V full-scale), SPI/MICROWIRE-compatible serial interface, and no data latency - used for high-speed sensor digitization in portable instrumentation and battery-powered data loggers.
For engineers reviewing the LTC2362CTS8#TRMPBF datasheet, LTC2362CTS8#TRMPBF pinout, LTC2362CTS8#TRMPBF application, or LTC2362CTS8#TRMPBF equivalent, key selection criteria include its 500ksps throughput with 73dB SNR, TSOT-23-8 package compatibility with 1.8V/2.5V/3V digital systems via OVDD, guaranteed operation from 0°C to 70°C, and support for external reference down to 1.4V for sub-1mV resolution.
Technical Context
The LTC2362CTS8#TRMPBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, using an internal oscillator to enforce precise 500ksps sampling. Its timing is fully synchronous to the external SCK clock only during data readout; conversion initiation and completion are controlled solely by the CONV signal's rising and falling edges.
It supports two distinct analog input configurations: VREF-defined full-scale range (0V to VREF) with independent OVDD for digital output swing control (1V to VDD), enabling interoperability with mixed-voltage digital subsystems. The device enters automatic sleep mode after conversion when CONV remains high, reducing IDD to 0.1μA without requiring software intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes - guarantees monotonic transfer function and unambiguous code mapping across full temperature range. |
| Sampling Rate | 500ksps maximum - enables real-time capture of signals up to 250kHz Nyquist bandwidth without aliasing in baseband applications. |
| SNR | 73dB at fIN = 100kHz - corresponds to ~0.32LSB RMS transition noise, supporting <1mV effective resolution with 3V full-scale. |
| Supply Current | 1.1mA at 500ksps, 0.1μA in sleep - achieves 1.5mW active power at 3V, ideal for duty-cycled sensing nodes. |
| Analog Input Range | 0V to VREF, VREF = 1.4V to VDD - allows direct connection to low-voltage sensors (e.g., 1.8V-output MEMS) without gain stages. |
| Digital I/O Supply | OVDD = 1.0V to VDD - permits SDO output swing matching 1.8V FPGA I/O banks or 2.5V microcontroller inputs without level shifters. |
| Operating Temp | 0°C to 70°C - specified for commercial-grade embedded systems where extended temperature is not required. |
Pinout & Package
Package: 8-lead plastic TSOT-23 (TS8), 2.9mm × 1.6mm × 0.8mm, exposed pad optional, θJA = 250°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Positive analog supply | 2.35V–3.6V main power rail; also defines upper limit for VREF; requires 2.2μF ceramic bypass to GND. |
| VREF (Pin 2) | External reference input | Defines full-scale analog input range (0V to VREF); supports 1.4V–VDD range; bypassed with 2.2μF capacitor. |
| GND (Pin 3) | Analog ground reference | Single-point tie to solid ground plane; separates analog return path from digital switching noise. |
| AIN (Pin 4) | Single-ended analog input | High-impedance input (±1μA leakage) referenced to GND; accepts 0V to VREF voltage range directly. |
| OVDD (Pin 5) | Digital output driver supply | Sets SDO logic-high level (1.0V to VDD); enables interfacing with 1.8V/2.5V/3V digital systems independently of VDD. |
| SDO (Pin 6) | Three-state serial data output | MSB-first 12-bit stream + trailing zeros; enabled by CONV low; Hi-Z when CONV high or after data transfer. |
| SCK (Pin 7) | Serial clock input | Accepts up to 50MHz clock; data valid on falling edge; SDO transitions synchronized to SCK falling edge. |
| CONV (Pin 8) | Convert control input | Active-high edge-triggered start signal; falling edge enables SDO; high state forces automatic sleep mode post-conversion. |
Key Features
| Feature | Design Value |
|---|---|
| No data latency | Conversion result available immediately after tTHROUGHPUT (2μs max), eliminating pipeline delay in closed-loop control. |
| Reduced full-scale span | Supports VREF as low as 1.4V - delivers 342μV LSB step size, enabling high-resolution measurement of low-output transducers. |
| Independent OVDD | Decouples digital output voltage from analog supply - eliminates level-shifter components when interfacing with 1.8V ASICs or FPGAs. |
| Automatic sleep mode | IDD drops to 0.1μA without firmware overhead when CONV remains high - critical for ultra-low-duty-cycle sensor nodes. |
| Guaranteed operation | Specified over 0°C to 70°C ambient - validated performance for commercial industrial and medical portable equipment. |
Applications
| Portable Data Logger | Battery-Powered Sensor Node |
|---|---|
Use Scenario: Continuous 100ksps–500ksps acquisition of thermocouple, strain gauge, or MEMS accelerometer outputs in handheld diagnostic tools. IC Role / Device Role / Timing Role: Primary analog front-end ADC; samples sensor voltage directly with no amplification; initiates conversion on timer-triggered CONV pulse. Use Value: 73dB SNR ensures >11-bit effective resolution at 100kHz input; 1.1mA active current extends AA-battery life to >1 year at 1% duty cycle. |
Use Scenario: Intermittent environmental monitoring (temperature/humidity/pressure) in wireless IoT endpoints powered by coin-cell batteries. IC Role / Device Role / Timing Role: Low-power digitizer activated every 10 seconds; sleeps between conversions; uses VREF = 1.8V for optimal energy per sample. Use Value: 0.1μA sleep current minimizes quiescent drain; OVDD = 1.8V enables direct connection to BLE SoC GPIO without level translation. |
| Automotive Cabin Control | Uninterruptible Power Supply Monitor |
Use Scenario: Real-time cabin air quality sensing (CO₂, VOC) in automotive HVAC modules with strict EMI and thermal constraints. IC Role / Device Role / Timing Role: High-immunity ADC sampling filtered analog sensor outputs; operates from 3.3V rail; CONV driven by MCU GPIO. Use Value: TSOT-23-8 footprint saves PCB area; 72dB SINAD maintains accuracy despite engine vibration-induced noise coupling. |
Use Scenario: Precision DC bus voltage and battery terminal monitoring in UPS systems requiring fast response to brownout conditions. IC Role / Device Role / Timing Role: High-speed auxiliary ADC for fault detection; samples 12V rail through resistive divider; triggers shutdown within 2μs of threshold violation. Use Value: 2μs minimum throughput time enables sub-5μs total fault-to-action latency; 12-bit resolution detects <5mV changes on 12V scale. |
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 | 200ksps max, 2.7V–5.25V supply, no OVDD pin, VREF tied to VDD or external - lacks independent digital I/O supply and lower voltage flexibility. | Requires level-shifting for 1.8V digital interfaces; limited to ≥2.7V systems; unsuitable for 1.4V–2.35V VREF operation. | Select when system uses 3.3V/5V-only digital rails and higher sampling rate is not required. |
| MAX11166ETE+ | 500ksps, 12-bit, 1.8V–3.6V supply, SPI interface, but uses internal reference only (no VREF pin) and fixed 1.8V OVDD - no external reference or OVDD flexibility. | Cannot accommodate custom reference sources or mixed-voltage digital domains; reference accuracy and tempco depend entirely on internal bandgap. | Select when board space allows TQFN-16 and design prioritizes internal reference simplicity over VREF/OVDD configurability. |
Compared with ADS7822U and MAX11166ETE+, the LTC2362CTS8#TRMPBF uniquely combines 500ksps speed, 1.4V–VDD VREF adjustability, and independent 1V–VDD OVDD - enabling direct sensor-to-digital integration in ultra-compact, multi-rail embedded systems without passive components or layout compromises.
Availability
LTC2362CTS8#TRMPBF is available at Aetrix Electronics and suitable for portable instrumentation, battery-powered sensor nodes, automotive cabin controls, and uninterruptible power supply monitors requiring stable component supply across production lifecycles.
Supply support for LTC2362CTS8#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 LTC2362CTS8#TRMPBF belongs to ADI's precision SAR ADC product line, engineered for ultra-low-power, high-speed data acquisition in space-constrained, battery-sensitive applications - emphasizing minimal external components, flexible voltage scaling, and guaranteed commercial-temperature performance.
FAQ
What is the maximum sampling rate supported by the LTC2362CTS8#TRMPBF?
The LTC2362CTS8#TRMPBF supports a maximum sampling rate of 500ksps, verified across the full 0°C to 70°C operating temperature range. This rate is enforced by the internal oscillator and is independent of external clock frequency - though SCK may run up to 50MHz during data readout. At this rate, the device draws 1.1mA from a 3V supply and achieves 73dB SNR with 100kHz input.
Does the LTC2362CTS8#TRMPBF require an external reference voltage?
Yes, the LTC2362CTS8#TRMPBF requires an external reference voltage applied to the VREF pin (Pin 2). VREF sets the full-scale analog input range (0V to VREF) and can be configured from 1.4V up to VDD. Unlike some SAR ADCs with internal references, the LTC2362CTS8#TRMPBF relies entirely on this externally supplied, bypassed reference for accuracy and flexibility.
Can the LTC2362CTS8#TRMPBF interface directly with a 1.8V microcontroller?
Yes, the LTC2362CTS8#TRMPBF can interface directly with a 1.8V microcontroller by setting OVDD (Pin 5) to 1.8V. This configures the SDO output high-level voltage to match the MCU's VIH requirement, eliminating level-shifters. VDD and VREF may remain at 3.0V or 3.3V to maintain analog performance, as OVDD is electrically isolated from the analog supply domain.
What is the purpose of the CONV pin on the LTC2362CTS8#TRMPBF?
The CONV pin (Pin 8) serves two critical functions on the LTC2362CTS8#TRMPBF: a rising edge initiates conversion, and a falling edge enables the SDO pin for serial data readout. When held high after conversion, the device automatically enters sleep mode, drawing only 0.1μA. This dual-role pin simplifies timing control and enables deterministic low-power operation without additional handshaking signals.
Is the LTC2362CTS8#TRMPBF pin-compatible with other devices in the LTC236x family?
Yes, the LTC2362CTS8#TRMPBF shares identical pinout and package (TSOT-23-8) with the LTC2361CTS8#TRMPBF and LTC2360CTS8#TRMPBF. All three variants use the same VDD/VREF/GND/AIN/OVDD/SDO/SCK/CONV pin assignments and electrical interface, allowing hardware reuse across 100ksps, 250ksps, and 500ksps speed grades without PCB redesign.
LTC2362CTS8#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):
- 500k
- 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:
- -
LTC2362CTS8#TRMPBF FAQ
1.How can I place an order for LTC2362CTS8#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2362CTS8#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 LTC2362CTS8#TRMPBF reliable?
The price and inventory of LTC2362CTS8#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2362CTS8#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC2362CTS8#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2362CTS8#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2362CTS8#TRMPBF?
LTC2362CTS8#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2362CTS8#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 LTC2362CTS8#TRMPBF?
For technical support, including LTC2362CTS8#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2362CTS8#TRMPBF requirements.
6.How does Aetrix verify that LTC2362CTS8#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC2362CTS8#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 LTC2362CTS8#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC2362CTS8#TRMPBF?
All LTC2362CTS8#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2362CTS8#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 LTC2362CTS8#TRMPBF part is unused and in its original packaging.
Return procedure for LTC2362CTS8#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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