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Analog Devices Inc. LTC2362ITS8#TRPBF
- Part No.:
- LTC2362ITS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-8 Thin, TSOT-23-8
- Datasheet:
-
LTC2362ITS8#TRPBF.pdf
- Description:
- IC ADC 12BIT SAR TSOT23-8
- Quantity:
- Payment:
- Shipping:
Inventory:2,488
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Product details
Overview
LTC2362ITS8#TRPBF 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 a dedicated external reference input (VREF), independent digital output supply (OVDD), SPI/MICROWIRE-compatible serial interface, and 0V to VREF analog input range down to 1.4V full-scale - enabling direct sensor interfacing in battery-powered data acquisition systems.
For engineers reviewing the LTC2362ITS8#TRPBF datasheet, LTC2362ITS8#TRPBF pinout, LTC2362ITS8#TRPBF application, or LTC2362ITS8#TRPBF equivalent, key selection considerations include its guaranteed –40°C to +85°C industrial temperature grade, 73dB SNR at 100kHz input, no data latency, 1.5μs total throughput time, and compatibility with 1.0V–3.6V OVDD for mixed-voltage system interfacing.
Technical Context
The LTC2362ITS8#TRPBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, using an internal oscillator to enforce precise 500ksps sampling without external clock dependency. Its timing is fully characterized for CONV-triggered conversion initiation and SDO data streaming synchronized to SCK falling edges.
It supports two distinct analog input configurations: VREF-defined 0V–VREF span (TS8 package) with 1.4V minimum reference voltage, and high-impedance single-ended input referenced to GND. Digital I/O operates independently via OVDD, allowing level-shifting between 1.0V and VDD for seamless integration with low-voltage microcontrollers or FPGAs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes - guarantees monotonic transfer function and deterministic code mapping across full temperature range. |
| Sampling Rate | 500ksps maximum - enables real-time digitization of signals up to 250kHz Nyquist bandwidth with minimal aliasing risk. |
| SNR | 73dB at fIN = 100kHz - delivers >11.8 effective bits for precision measurement in noise-sensitive applications. |
| Supply Current | 1.1mA at 500ksps, 0.1μA in sleep mode - reduces average power to sub-mW levels in duty-cycled sensing systems. |
| Integral Linearity | ±0.25 LSB typical (±1 LSB max) - ensures <0.025% full-scale error for accurate calibration-critical measurements. |
| Reference Range | VREF = 1.4V to VDD - supports low-voltage sensor outputs (e.g., 1.8V/2.5V transducers) without external gain stages. |
| OVDD Range | 1.0V to VDD - allows direct connection to 1.8V logic families while powered from 3.3V analog supply. |
Pinout & Package
Package: 8-lead plastic TSOT-23 (0.65mm pitch), 2.9mm × 1.6mm footprint, rated for –40°C to +85°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Analog supply input | 2.35V–3.6V primary supply powering internal analog circuitry and defining reference upper bound when VREF is unconnected. |
| VREF (Pin 2) | External reference input | Accepts 1.4V–VDD reference voltage to set full-scale analog input range (0V to VREF); bypass required with 2.2μF capacitor. |
| GND (Pin 3) | Analog ground | Low-impedance return path for analog signals and reference; must connect directly to solid ground plane. |
| AIN (Pin 4) | Analog input | Single-ended, high-impedance input accepting 0V–VREF; capacitance 4pF during conversion, 20pF between conversions. |
| OVDD (Pin 5) | Digital output supply | Independent 1.0V–VDD supply setting SDO logic-high level; enables level translation to 1.8V/2.5V/3.3V digital domains. |
| SDO (Pin 6) | Serial data output | Three-state MSB-first SPI-compatible output; enabled by low CONV; transitions on SCK falling edge. |
| SCK (Pin 7) | Serial clock input | Accepts up to 50MHz clock; synchronizes data readout; timing parameters fully specified for 40%–60% duty cycle. |
| CONV (Pin 8) | Convert control input | Active-high signal initiating conversion on rising edge; low state enables SDO and clocks out data; controls automatic sleep entry. |
Key Features
| Feature | Design Value |
|---|---|
| No data latency | Conversion result available immediately after tTHROUGHPUT (2μs max), eliminating pipeline delay in closed-loop control. |
| Auto-sleep power management | Draws only 0.1μA when CONV remains high post-conversion - cuts average power by >99% at low duty cycles. |
| Flexible reference and output supplies | VREF and OVDD operate independently, enabling simultaneous optimization of analog accuracy and digital compatibility. |
| Guaranteed industrial temperature range | Specified performance over –40°C to +85°C without derating - suitable for automotive cabin, industrial PLC, and outdoor IoT nodes. |
| High-speed serial interface | 50MHz SCK support enables 12-bit reads in ≤240ns - compatible with high-throughput microcontrollers and FPGA interfaces. |
Applications
| Portable Data Loggers | Automotive Cabin Sensors |
|---|---|
Use Scenario: Battery-powered environmental monitors logging temperature, humidity, and pressure at 100–500Hz intervals over multi-day deployments. IC Role / Device Role / Timing Role: Primary 12-bit ADC acquiring conditioned sensor outputs with minimal power overhead and no external reference or level-shifting components. Use Value: 0.1μA sleep current extends coin-cell life beyond 2 years; 1.4V–3.6V VREF range accommodates diverse sensor output spans without gain amplifiers. | Use Scenario: Occupancy detection and air quality monitoring inside vehicle cabins using MEMS microphones and CO₂ sensors. IC Role / Device Role / Timing Role: High-fidelity analog front-end digitizing low-amplitude audio and gas sensor signals under wide thermal and supply-voltage variation. Use Value: 73dB SNR and ±0.25 LSB INL ensure reliable signal integrity across –40°C to +85°C; OVDD independence allows direct interface to 1.8V automotive SoCs. |
| Industrial Process Controllers | Medical Wearable Monitors |
Use Scenario: Compact PLC modules measuring current/voltage feedback from actuators and motors in factory automation equipment. IC Role / Device Role / Timing Role: Precision ADC capturing fast transient events (e.g., motor startup surges) at 500ksps with deterministic timing and no pipeline stalls. Use Value: 2μs total throughput time and no data latency enable real-time response; TSOT-23 footprint saves PCB space in dense control modules. | Use Scenario: ECG and PPG signal acquisition in wrist-worn health devices requiring ultra-low-power continuous sampling. IC Role / Device Role / Timing Role: Low-noise, low-power ADC digitizing amplified biopotential signals while minimizing battery drain during extended wear. Use Value: 1.1mA active current and automatic sleep reduce average power to ~15μW at 1ksps; 73dB SNR preserves diagnostic-grade waveform fidelity. |
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, SPI interface, but requires external reference and 2.7–5.25V supply; no OVDD pin; larger QFN-24 package. | Higher speed but less flexible supply/references; suited for fixed-rail industrial systems with ample board area. | Select if higher throughput (1MSPS) and integrated sequencer are needed; avoid if 1.4V reference or TSOT-23 size are mandatory. |
| MAX11100ETE+ | 12-bit, 500ksps, internal reference, 2.7–3.6V supply only; no OVDD; 16-pin TQFN; higher 2.5mW power at full rate. | Integrated reference simplifies BOM but limits input span flexibility; not suitable for sub-2.7V operation or mixed-voltage I/O. | Choose when reference stability is prioritized over supply flexibility; reject if 1.0V–3.6V OVDD or 1.4V VREF capability is required. |
Compared with ADS7953IRGET and MAX11100ETE+, the LTC2362ITS8#TRPBF uniquely combines 500ksps speed, 1.4V–VDD reference adaptability, independent OVDD, and ultra-small TSOT-23 packaging - making it optimal for space-constrained, multi-supply, battery-operated systems demanding precision and low quiescent power.
Availability
LTC2362ITS8#TRPBF is available at Aetrix Electronics and suitable for portable data loggers, automotive cabin sensors, industrial process controllers, medical wearable monitors, and battery-operated instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC2362ITS8#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 LTC2362ITS8#TRPBF belongs to ADI's legacy Linear Technology precision data converter family, engineered specifically for ultra-low-power, high-speed, small-footprint applications where supply flexibility, temperature robustness, and direct sensor interfacing are critical design requirements.
FAQ
What is the maximum sampling rate supported by the LTC2362ITS8#TRPBF?
The LTC2362ITS8#TRPBF supports a maximum sampling rate of 500ksps, verified across its full –40°C to +85°C operating temperature range. This rate is enforced by an internal oscillator, eliminating the need for an external clock source while ensuring consistent timing performance regardless of system clock jitter or supply variation.
Does the LTC2362ITS8#TRPBF require an external reference voltage?
Yes, the LTC2362ITS8#TRPBF requires an external reference voltage applied to the VREF pin (Pin 2) to define its analog input range (0V to VREF). The device accepts VREF from 1.4V up to VDD, enabling direct interfacing with low-voltage sensors. No internal reference is provided - VREF must be externally sourced and bypassed with a 2.2μF capacitor.
Can the LTC2362ITS8#TRPBF interface with a 1.8V microcontroller?
Yes, the LTC2362ITS8#TRPBF can interface directly with a 1.8V microcontroller by setting OVDD (Pin 5) to 1.8V. This configures the SDO output to swing between 0V and 1.8V, matching the microcontroller's logic thresholds. VDD and VREF may remain at 3.3V to maintain analog performance, demonstrating true supply domain isolation.
What is the total conversion and data-readout time for the LTC2362ITS8#TRPBF?
The LTC2362ITS8#TRPBF has a guaranteed maximum throughput time (tTHROUGHPUT) of 2μs, comprising 0.5μs acquisition time (tACQ) and 1.5μs conversion time (tCONV). After conversion, SDO data becomes valid 16ns after CONV goes low, and each bit is clocked out on the falling edge of SCK - enabling full 12-bit readout in under 240ns at 50MHz SCK.
How does the LTC2362ITS8#TRPBF achieve ultra-low power consumption?
The LTC2362ITS8#TRPBF achieves ultra-low power by automatically entering sleep mode (0.1μA typical) immediately after conversion completion when CONV remains high. Its 1.1mA active current at 500ksps scales linearly with sample rate, and the absence of data latency eliminates idle bus polling - reducing average power to microwatt levels in duty-cycled applications without compromising responsiveness.
LTC2362ITS8#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):
- 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#TRPBF FAQ
1.How can I place an order for LTC2362ITS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2362ITS8#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 LTC2362ITS8#TRPBF reliable?
The price and inventory of LTC2362ITS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2362ITS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2362ITS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2362ITS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2362ITS8#TRPBF?
LTC2362ITS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2362ITS8#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 LTC2362ITS8#TRPBF?
For technical support, including LTC2362ITS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2362ITS8#TRPBF requirements.
6.How does Aetrix verify that LTC2362ITS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2362ITS8#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 LTC2362ITS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2362ITS8#TRPBF?
All LTC2362ITS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2362ITS8#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 LTC2362ITS8#TRPBF part is unused and in its original packaging.
Return procedure for LTC2362ITS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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