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Analog Devices Inc. LTC2362HTS8#TRMPBF
- Part No.:
- LTC2362HTS8#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC2362HTS8#TRMPBF.pdf
- Description:
- IC ADC 12BIT SAR TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:485
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Product details
Overview
LTC2362HTS8#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–VREF analog input range (down to 1.4V full-scale), SPI/MICROWIRE-compatible serial interface, and guaranteed operation from –40°C to 125°C. It is used in high-speed, low-power sensor digitization for automotive engine control units.
For engineers reviewing the LTC2362HTS8#TRMPBF datasheet, LTC2362HTS8#TRMPBF pinout, LTC2362HTS8#TRMPBF application, or LTC2362HTS8#TRMPBF equivalent, key selection criteria include its 500ksps throughput with 73dB SNR, TSOT-23-8 thermal performance at 125°C, VREF/OVDD flexibility for mixed-voltage systems, and microamp-level sleep mode for duty-cycled sensing.
Technical Context
The LTC2362HTS8#TRMPBF implements a switched-capacitor SAR architecture with internal sample-and-hold, controlled by an internal oscillator enabling fixed 500ksps sampling without external clock dependency. Its timing is defined by CONV-triggered acquisition (0.5μs) and conversion (1.5μs), delivering no data latency and deterministic throughput time of 2μs.
It supports dual-supply operation: VDD powers analog core (2.35V–3.6V), VREF sets full-scale range (1.4V–VDD), and OVDD independently biases SDO output (1.0V–VDD), enabling direct interfacing with 1.8V/2.5V/3.0V digital logic while maintaining analog accuracy. All specifications-including ±1 LSB INL, 73dB SNR, and –81dB THD-are guaranteed over –40°C to 125°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes-ensures monotonic transfer function for precision closed-loop control. |
| Sampling Rate | 500ksps maximum-supports undersampling of signals up to 250kHz Nyquist and beyond via full-power bandwidth of 10MHz. |
| SNR | 73dB typical at fIN = 100kHz-enables >11-bit effective resolution (ENOB) in high-frequency sensor applications. |
| Supply Current | 1.1mA at 500ksps, 0.1μA in sleep-reduces average power to sub-microwatt levels in burst-mode acquisition. |
| Integral Linearity | ±1 LSB max over temperature-maintains accuracy across automotive thermal cycling without calibration. |
| Analog Input Range | 0V to VREF, VREF = 1.4V to VDD-allows direct connection to low-voltage sensors (e.g., 1.8V bridge outputs) without gain stages. |
| Digital Output Supply | OVDD = 1.0V to VDD-permits interoperability with 1.8V FPGAs or 3.3V MCUs without level shifters. |
Pinout & Package
Package: 8-lead plastic TSOT-23 (TS8), 2.9mm × 1.6mm × 0.8mm, –40°C to 125°C operating range, θJA = 250°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Analog supply input | 2.35V–3.6V core supply; bypass required with 2.2μF ceramic capacitor to GND for noise immunity. |
| VREF (Pin 2) | External reference input | Sets full-scale range (0V to VREF); supports 1.4V minimum-enables high-resolution digitization of low-span sensors. |
| GND (Pin 3) | Analog ground reference | Must connect directly to solid ground plane; separates analog return path from digital noise sources. |
| AIN (Pin 4) | Single-ended analog input | High-impedance input (±1μA leakage) referenced to GND; accepts 0V–VREF signals without external buffering. |
| OVDD (Pin 5) | Digital output driver supply | Independent 1.0V–VDD supply for SDO; allows level-shifting to match host logic voltage (e.g., 1.8V MCU I/O). |
| SDO (Pin 6) | Three-state serial data output | MSB-first 12-bit stream + trailing zeros; Hi-Z when CONV high-enables shared bus configurations. |
| SCK (Pin 7) | Serial clock input | Accepts up to 50MHz clock; data valid on falling edge-compatible with standard SPI master timing. |
| CONV (Pin 8) | Convert start input | Active-high edge-triggered; initiates acquisition and conversion, then enables SDO when low for readout. |
Key Features
| Feature | Design Value |
|---|---|
| 500ksps sampling at 1.1mA | Enables real-time monitoring of fast transients (e.g., knock detection in ICE) with <1.5mW active power. |
| 0.1μA sleep current | Reduces average power in intermittent sensing (e.g., tire pressure monitoring) to nanowatt-level standby. |
| Dedicated VREF and OVDD | Decouples analog reference accuracy from digital I/O voltage-eliminates need for external level shifters or regulators. |
| No data latency | Guarantees deterministic 2μs throughput time-critical for time-triggered control loops in ASIL-B systems. |
| –40°C to 125°C operation | Qualified for under-hood automotive use without derating; specified INL/SNR/THD maintained across full range. |
| SPI/MICROWIRE compatibility | Direct interface to ARM Cortex-M, TI C2000, or Xilinx Zynq without protocol translation or glue logic. |
Applications
| Automotive Engine Control | Industrial Motor Drive Feedback |
|---|---|
|
Use Scenario: Digitizing cylinder pressure transducer outputs in gasoline direct injection systems. IC Role / Device Role / Timing Role: High-speed, low-latency ADC capturing combustion pressure waveforms at 500ksps with 12-bit fidelity. Use Value: Enables real-time combustion analysis and closed-loop fuel trim adjustment within strict ASIL-B timing budgets. |
Use Scenario: Sampling current-sense amplifier outputs in servo motor phase-current feedback loops. IC Role / Device Role / Timing Role: Precision analog front-end for field-oriented control (FOC), synchronized to PWM carrier. Use Value: Delivers 73dB SNR and ±1 LSB INL to maintain torque ripple <1% across 0–10kHz bandwidth. |
| Portable Medical Instrumentation | Uninterruptible Power Supply Monitoring |
|
Use Scenario: Battery-powered ECG front-end acquiring lead-II differential signals with ultra-low power. IC Role / Device Role / Timing Role: Low-noise, micropower ADC operating in burst mode during patient activity windows. Use Value: Achieves 12-bit resolution at 0.1μA sleep current-extends battery life to >72 hours on coin cell. |
Use Scenario: Real-time monitoring of DC bus voltage and battery charge/discharge current in UPS inverters. IC Role / Device Role / Timing Role: High-accuracy, thermally stable ADC for safety-critical overvoltage/undervoltage protection. Use Value: Maintains ±1 LSB INL from –40°C to 125°C-ensures reliable trip-point detection across ambient extremes. |
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 |
|---|---|---|---|
| ADS7953IRGET | 12-bit, 1MSPS, 2.7–5.25V supply, SPI interface, 20-pin QFN; no dedicated OVDD or VREF pins-uses internal reference. | Higher speed but larger footprint and no independent OVDD; requires external reference for best accuracy. | Select for higher throughput (>500ksps) where board space permits QFN and OVDD flexibility is not required. |
| MAX11100ETE+ | 12-bit, 500ksps, 2.7–3.6V supply, SPI, 16-pin TQFN; includes internal 2.048V reference and programmable gain amplifier. | Integrated PGA simplifies sensor interfacing but adds 1.5LSB offset error; limited to 85°C operation. | Select when sensor signal conditioning (gain/offset) is needed on-chip and extended temperature range is not mandatory. |
Compared with ADS7953IRGET and MAX11100ETE+, the LTC2362HTS8#TRMPBF uniquely combines TSOT-23-8 compactness, –40°C to 125°C qualification, independent VREF/OVDD for mixed-signal robustness, and guaranteed 73dB SNR at 500ksps-making it optimal for space-constrained, thermally demanding embedded control.
Availability
LTC2362HTS8#TRMPBF is available at Aetrix Electronics and suitable for automotive engine management, industrial motor control, portable medical instrumentation, and uninterruptible power supply monitoring requiring stable component supply across extended temperature ranges.
Supply support for LTC2362HTS8#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 LTC2362HTS8#TRMPBF belongs to ADI's legacy Linear Technology precision data converter portfolio, designed specifically for ultra-low-power, high-speed, thermally rugged embedded sensing in harsh environments.
FAQ
What is the maximum sampling rate of the LTC2362HTS8#TRMPBF?
The LTC2362HTS8#TRMPBF has a maximum sampling rate of 500ksps, achieved using its internal oscillator-no external clock is required. This rate is fully characterized and guaranteed over the –40°C to 125°C temperature range, with throughput time fixed at 2μs (tACQ + tCONV = 0.5μs + 1.5μs). At lower rates, supply current scales down automatically due to built-in sleep mode activation.
Does the LTC2362HTS8#TRMPBF require an external reference voltage?
Yes-the LTC2362HTS8#TRMPBF requires an external reference voltage applied to the VREF pin (Pin 2). VREF defines the full-scale analog input range (0V to VREF) and must be between 1.4V and VDD. The device does not include an internal reference; using a precision external reference (e.g., REF192) ensures optimal INL and SNR performance across temperature.
Can the LTC2362HTS8#TRMPBF interface directly with a 1.8V microcontroller?
Yes-the LTC2362HTS8#TRMPBF supports direct 1.8V interface via its dedicated OVDD pin (Pin 5). By supplying OVDD = 1.8V, the SDO output swing is referenced to that voltage, ensuring compatible logic levels with 1.8V MCUs without external level shifters. VDD and VREF remain independent, preserving analog accuracy.
What is the sleep current specification for the LTC2362HTS8#TRMPBF?
The LTC2362HTS8#TRMPBF draws 0.1μA typical supply current in sleep mode, verified over –40°C to 125°C. Sleep mode activates automatically after conversion when CONV remains high. This ultra-low quiescent current enables energy-efficient burst-mode operation in battery-powered applications such as wireless sensor nodes and portable diagnostics equipment.
Is the LTC2362HTS8#TRMPBF pin-compatible with other members of the LTC236x family?
The LTC2362HTS8#TRMPBF shares identical pinout and footprint with LTC2361HTS8#TRMPBF and LTC2360HTS8#TRMPBF in the TSOT-23-8 package. However, sampling rates differ (500ksps vs 250ksps vs 100ksps), and supply currents scale accordingly. System-level validation is required when substituting due to timing and power delivery differences, though PCB layout remains unchanged.
LTC2362HTS8#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 ~ 125°C
- Supplier Device Package:
- TSOT-23-8
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2362HTS8#TRMPBF FAQ
1.How can I place an order for LTC2362HTS8#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2362HTS8#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 LTC2362HTS8#TRMPBF reliable?
The price and inventory of LTC2362HTS8#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2362HTS8#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC2362HTS8#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2362HTS8#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2362HTS8#TRMPBF?
LTC2362HTS8#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2362HTS8#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 LTC2362HTS8#TRMPBF?
For technical support, including LTC2362HTS8#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2362HTS8#TRMPBF requirements.
6.How does Aetrix verify that LTC2362HTS8#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC2362HTS8#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 LTC2362HTS8#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC2362HTS8#TRMPBF?
All LTC2362HTS8#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2362HTS8#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 LTC2362HTS8#TRMPBF part is unused and in its original packaging.
Return procedure for LTC2362HTS8#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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