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Analog Devices Inc. LTC2362ITS8#TRMPBF
- Part No.:
- LTC2362ITS8#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC2362ITS8#TRMPBF.pdf
- Description:
- IC ADC 12BIT SAR TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:500
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Product details
Overview
LTC2362ITS8#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. It features a dedicated external reference input (VREF), independent digital output supply (OVDD: 1V to VDD), SPI/MICROWIRE-compatible serial interface, and 73dB SNR at 100kHz input - optimized for battery-powered data acquisition in portable instrumentation.
For engineers reviewing the LTC2362ITS8#TRMPBF datasheet, LTC2362ITS8#TRMPBF pinout, LTC2362ITS8#TRMPBF application, or LTC2362ITS8#TRMPBF equivalent, key selection criteria include its guaranteed –40°C to +85°C operation, 0.1μA sleep-mode current, 1.4V minimum VREF span, 12-bit no-missing-codes performance, and TSOT-23-8 pin compatibility across the LTC236x family.
Technical Context
The LTC2362ITS8#TRMPBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, using an internal oscillator to enforce precise 500ksps throughput. Its analog input is single-ended (0V to VREF), referenced to GND, with 20pF input capacitance and ±1μA leakage - enabling direct sensor interfacing without gain stages.
Digital communication uses a 3-wire SPI-compatible interface: CONV initiates conversion on rising edge and enables SDO output on falling edge; SCK clocks data (MSB-first) on falling edges; SDO transitions are synchronized to SCK falling edges with 8ns data valid hold time and 4ns setup margin - supporting reliable interfacing with microcontrollers and FPGAs at up to 50MHz SCK.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes - guarantees monotonic transfer function for precision control and measurement. |
| Sampling Rate | 500ksps maximum - supports undersampling of signals up to 250kHz Nyquist and beyond with maintained SINAD ≥ 72dB. |
| SNR | 73dB at fIN = 100kHz - enables >11-bit effective resolution in high-frequency sensing applications. |
| Supply Current | 1.1mA at 500ksps; drops to 0.1μA in sleep mode - reduces average power in duty-cycled systems by >99.9%. |
| VREF Range | 1.4V to VDD - allows flexible full-scale scaling (e.g., 1.8V reference yields 441μV LSB) while maintaining linearity. |
| Operating Temp | –40°C to +85°C - qualified for industrial and automotive cabin environments without derating. |
| Interface | SPI/MICROWIRE-compatible 3-wire serial - eliminates need for level shifters when interfacing with 1.8V/2.5V/3.3V logic via OVDD pin. |
Pinout & Package
Package: 8-lead plastic TSOT-23 (TS8), 2.9mm × 1.6mm × 0.8mm, moisture sensitivity level 1, RoHS-compliant lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Positive analog supply | 2.35V–3.6V main supply; powers internal reference buffer, sample-and-hold, and core logic - requires 2.2μF ceramic bypass to GND. |
| VREF (Pin 2) | External reference input | Defines full-scale range (0V to VREF); accepts 1.4V–VDD; 20pF input capacitance and ±1μA leakage enable stable low-impedance reference sourcing. |
| GND (Pin 3) | Analog ground | Primary return path for analog circuitry; must connect directly to solid ground plane to minimize noise coupling into AIN and VREF. |
| AIN (Pin 4) | Analog input | Single-ended input referenced to GND; 0V to VREF range; 20pF input capacitance during conversions - requires low-impedance source or external driver for <1LSB error. |
| OVDD (Pin 5) | Digital output supply | 1V–VDD supply for SDO driver - sets logic-high level independently of VDD, enabling direct interface with 1.8V FPGA I/O banks. |
| SDO (Pin 6) | Serial data output | Three-state MSB-first 12-bit output; driven only when CONV is low; enters Hi-Z state 6ns after CONV rising edge - prevents bus contention in multi-device systems. |
| SCK (Pin 7) | Serial clock input | Accepts up to 50MHz clock; data valid 8ns after SCK falling edge; 40% duty cycle requirement ensures robust timing margin across temperature. |
| CONV (Pin 8) | Convert control input | Active-high conversion trigger; rising edge starts sampling; falling edge enables SDO and initiates data readout - controls power state transition between active and 0.1μA sleep mode. |
Key Features
| Feature | Design Value |
|---|---|
| Micro-power operation | 1.1mA at 500ksps and 0.1μA sleep current - enables >1-year battery life in 1ksps duty-cycled sensor nodes. |
| Flexible reference architecture | Dedicated VREF pin with 1.4V–VDD range - supports precision low-voltage sensors (e.g., 1.8V MEMS accelerometers) without external op-amp buffers. |
| Independent digital I/O supply | OVDD pin (1V–VDD) decouples SDO voltage swing from analog supply - eliminates level-shifter components in mixed-voltage systems. |
| No latency serial interface | Zero-cycle data latency: conversion result available immediately after tCONV (1.5μs) - critical for real-time closed-loop control loops. |
| High-temperature reliability | Guaranteed operation from –40°C to +85°C with no derating - validated for use in automotive infotainment and industrial PLC modules. |
Applications
| Portable Medical Sensors | Industrial Process Monitoring |
|---|---|
Use Scenario: Continuous glucose monitor (CGM) front-end digitizing electrochemical sensor output at 250ksps for real-time trend analysis. IC Role / Device Role / Timing Role: 12-bit SAR ADC acquiring single-ended analog signal with 1.4V reference to match sensor full-scale; delivers 12-bit samples every 2μs with no latency. Use Value: 73dB SNR preserves small-signal resolution needed for sub-1mg/dL glucose detection; 0.1μA sleep current extends coin-cell battery life to 18 months. | Use Scenario: Vibration monitoring node on rotating machinery capturing acceleration waveforms for predictive maintenance analytics. IC Role / Device Role / Timing Role: High-speed sampling ADC interfacing with piezoelectric accelerometer; oversamples at 500ksps to capture harmonics up to 200kHz. Use Value: Full-power bandwidth of 10MHz and SFDR of 86dB suppress spurious content from bearing faults; TSOT-23-8 package enables compact PCB layout near sensor. |
| Battery-Powered Data Loggers | Automotive Cabin Environment Sensors |
Use Scenario: Environmental logger recording temperature, humidity, and CO₂ in remote field deployments powered by Li-SOCl₂ batteries. IC Role / Device Role / Timing Role: Low-power ADC digitizing multiple conditioned analog channels via external multiplexer; wakes every 10s for 100-sample burst at 100ksps. Use Value: Sleep-mode current of 0.1μA minimizes quiescent drain; 12-bit linearity (±1 LSB INL) ensures traceable calibration over 10-year deployment. | Use Scenario: Occupant detection system using capacitive touch and IR proximity sensors in automotive dashboard assemblies. IC Role / Device Role / Timing Role: Precision ADC converting analog outputs of multi-element sensor arrays; operates across –40°C to +85°C ambient with no calibration drift. Use Value: Guaranteed –40°C to +85°C specification eliminates thermal compensation firmware; OVDD pin enables direct connection to 1.8V automotive MCU GPIOs. |
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 | 8-bit resolution, 200ksps max, no dedicated VREF pin - uses VDD as reference only; 3.3V supply only. | Limited to lower-precision applications like basic panel metering; cannot support 1.4V–1.8V sensor spans. | Select only if 8-bit resolution suffices and system uses fixed 3.3V supply with no need for reference flexibility. |
| MAX11166ETE+ | 12-bit, 500ksps, 2.7V–3.6V supply, but requires external reference and has no OVDD pin - SDO swings to VDD only. | Compatible for high-speed sampling but lacks independent digital I/O supply - mandates level shifters for 1.8V logic interfacing. | Choose when reference is already buffered externally and all digital logic runs at same voltage as VDD. |
Compared with ADS7822U and MAX11166ETE+, the LTC2362ITS8#TRMPBF uniquely combines 12-bit precision, 1.4V–VDD reference flexibility, and OVDD-driven 1.8V/2.5V/3.3V digital compatibility in a space-constrained TSOT-23-8 package - making it optimal for next-generation ultra-low-power, multi-voltage sensor nodes.
Availability
LTC2362ITS8#TRMPBF is available at Aetrix Electronics and suitable for portable medical devices, industrial process monitors, battery-powered data loggers, and automotive cabin environment sensors requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC2362ITS8#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, serving industrial, automotive, communications, and healthcare markets.
The LTC2362ITS8#TRMPBF belongs to ADI's precision SAR ADC product line, designed specifically for ultra-low-power, high-speed data acquisition in space- and energy-constrained embedded systems where accuracy, temperature stability, and small footprint are critical.
FAQ
What is the maximum sampling rate supported by the LTC2362ITS8#TRMPBF?
The LTC2362ITS8#TRMPBF supports a maximum sampling rate of 500ksps, as specified in its datasheet under "Maximum Sampling Frequency" with guaranteed timing across the full –40°C to +85°C operating range. This rate is enforced by an internal oscillator and corresponds to a minimum throughput time of 2μs (tTHROUGHPUT = tACQ + tCONV = 0.5μs + 1.5μs). At lower rates, supply current scales proportionally down to 0.1μA in sleep mode.
Does the LTC2362ITS8#TRMPBF require an external reference voltage?
Yes, the LTC2362ITS8#TRMPBF requires an external reference voltage applied to the VREF pin (Pin 2) when used in TSOT-23-8 (TS8) package configuration. The VREF range is 1.4V to VDD, and the device draws up to 80μA reference current at 500ksps. Unlike the 6-lead S6 variant, the TS8 package does not use VDD as the default reference - VREF must be supplied externally for accurate full-scale definition.
Can the LTC2362ITS8#TRMPBF interface directly with a 1.8V microcontroller?
Yes, the LTC2362ITS8#TRMPBF can interface directly with a 1.8V microcontroller using its OVDD pin (Pin 5). By supplying 1.8V to OVDD, the SDO output swing is referenced to that voltage - producing logic-high levels near 1.8V and logic-low near 0V. This eliminates the need for external level shifters while maintaining timing compliance per the 8ns data valid hold specification.
What is the guaranteed integral nonlinearity (INL) specification for the LTC2362ITS8#TRMPBF?
The LTC2362ITS8#TRMPBF has a guaranteed integral nonlinearity (INL) of ±1 LSB over temperature (–40°C to +85°C), as stated in the "Converter Characteristics" table of its datasheet. This applies to the entire 4096-code range and ensures monotonicity and end-point accuracy required for precision measurement applications such as sensor calibration and closed-loop control.
How does the LTC2362ITS8#TRMPBF enter and exit sleep mode?
The LTC2362ITS8#TRMPBF automatically enters sleep mode after each conversion completes if the CONV pin remains high; supply current drops to 0.1μA typical. To exit sleep mode, the host processor pulls CONV low - triggering power-up and acquisition. Full analog acquisition is complete after tACQ = 0.5μs, after which a new conversion may be initiated on the next CONV rising edge.
LTC2362ITS8#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:
- -40°C ~ 85°C
- Supplier Device Package:
- TSOT-23-8
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2362ITS8#TRMPBF FAQ
1.How can I place an order for LTC2362ITS8#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2362ITS8#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 LTC2362ITS8#TRMPBF reliable?
The price and inventory of LTC2362ITS8#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2362ITS8#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC2362ITS8#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2362ITS8#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2362ITS8#TRMPBF?
LTC2362ITS8#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2362ITS8#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 LTC2362ITS8#TRMPBF?
For technical support, including LTC2362ITS8#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2362ITS8#TRMPBF requirements.
6.How does Aetrix verify that LTC2362ITS8#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC2362ITS8#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 LTC2362ITS8#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC2362ITS8#TRMPBF?
All LTC2362ITS8#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2362ITS8#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 LTC2362ITS8#TRMPBF part is unused and in its original packaging.
Return procedure for LTC2362ITS8#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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