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Analog Devices Inc. LTC2361HS6#TRPBF
- Part No.:
- LTC2361HS6#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LTC2361HS6#TRPBF.pdf
- Description:
- IC ADC 12BIT SAR TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,668
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Product details
Overview
LTC2361HS6#TRPBF from Analog Devices (formerly Linear Technology) is a 12-bit, 250ksps successive-approximation ADC in a 6-lead TSOT-23 package, operating from a single 2.35V–3.6V supply with 0.75mA typical supply current at full rate and 0.1μA sleep current. It features single-ended analog input (0V to VDD), no data latency, SPI/MICROWIRE-compatible serial interface, and guaranteed operation from –40°C to 125°C. It is used in high-speed, low-power sensor digitization in automotive engine control units.
For engineers reviewing the LTC2361HS6#TRPBF datasheet, LTC2361HS6#TRPBF pinout, LTC2361HS6#TRPBF application, or LTC2361HS6#TRPBF equivalent, key selection criteria include its 250ksps throughput with 73dB SNR, TSOT-23-6 footprint compatibility, –40°C to 125°C extended temperature rating, and VDD-referenced input architecture requiring no external reference.
Technical Context
The LTC2361HS6#TRPBF implements a switched-capacitor SAR architecture with integrated sample-and-hold, using an internal oscillator to enforce precise 250ksps sampling without external clock dependency. Its conversion timing is deterministic: 4μs total throughput time (1μs acquisition + 3μs conversion), with aperture jitter of only 0.3ns.
It employs a 3-wire serial interface where CONV controls both conversion initiation and SDO enable/disable, and SCK synchronizes MSB-first 12-bit data output on falling edges. The S6 package ties VREF internally to VDD, eliminating external reference components but fixing full-scale range to 0V–VDD.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes - guarantees monotonic transfer function for closed-loop control stability |
| Sampling Rate | 250ksps maximum - supports anti-aliasing filter design up to 125kHz Nyquist bandwidth |
| SNR | 73dB at fIN = 100kHz - enables >11.8 effective bits for precision sensor signal capture |
| Supply Current | 0.75mA at 250ksps, 0.1μA in sleep - allows battery operation with <1.5mW active power at 3V |
| Integral Linearity | ±0.25LSB typical - ensures <0.006% full-scale error for calibration-critical industrial sensing |
| Operating Temp | –40°C to 125°C - qualified for under-hood automotive and industrial motor drive environments |
| Input Range | 0V to VDD (2.35V–3.6V) - eliminates need for external reference or level-shifting circuitry |
Pinout & Package
Package: 6-lead TSOT-23 (S6), 1.6mm × 2.9mm × 0.8mm, moisture sensitivity level 1, RoHS-compliant lead-free finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Positive supply and internal reference source | Defines full-scale analog input range (0V to VDD); must be bypassed with 2.2μF ceramic capacitor to GND |
| GND (Pin 2) | Analog and digital ground reference | Single-point connection to solid ground plane required to minimize noise coupling into SAR core |
| AIN (Pin 3) | Single-ended analog input | Accepts 0V to VDD signals directly from transducers; high-impedance input (±1μA leakage) avoids loading |
| SCK (Pin 4) | Serial clock input | Drives data shift-out timing; max 25MHz frequency enables fast MCU/DSP interfacing |
| SDO (Pin 5) | Three-state serial data output | Outputs 12-bit MSB-first conversion result followed by trailing zeros; Hi-Z when CONV = high |
| CONV (Pin 6) | Convert start and SDO enable control | Rising edge initiates conversion; low state enables SDO for readout - no separate CS pin needed |
Key Features
| Feature | Design Value |
|---|---|
| No data latency | Conversion result available immediately after tTHROUGHPUT (4μs), enabling real-time feedback loops without pipeline delay |
| Auto-sleep mode | Draws only 0.1μA between conversions - reduces average power by >99% at low duty-cycle sampling |
| VDD-referenced input | Eliminates external reference IC and associated cost, board space, and thermal drift errors |
| SPI/MICROWIRE compatibility | Direct interface to standard microcontroller peripherals without protocol translation logic or firmware overhead |
| High-temperature grade | Specified performance over –40°C to 125°C meets AEC-Q100 Grade 1 requirements for automotive applications |
Applications
| Automotive Engine Control | Industrial Motor Drive Sensing |
|---|---|
Use Scenario: Digitizing crankshaft position and oxygen sensor outputs in engine management systems. IC Role / Device Role / Timing Role: High-speed, low-latency analog front-end ADC capturing transient combustion events. Use Value: 250ksps sampling captures rapid pressure/lambda changes; 125°C rating ensures reliability near exhaust manifolds. |
Use Scenario: Sampling phase currents and DC bus voltage in servo drives and inverters. IC Role / Device Role / Timing Role: Precision current/voltage monitor feeding real-time PWM control algorithms. Use Value: ±0.25LSB INL maintains torque accuracy across temperature; 0.1μA sleep current extends standby battery life. |
| Portable Medical Instrumentation | Uninterruptible Power Supply Monitoring |
Use Scenario: Converting ECG electrode signals and battery voltage in handheld diagnostic devices. IC Role / Device Role / Timing Role: Low-power, single-supply ADC minimizing PCB area and BOM count. Use Value: 0.75mA active current and 6-lead TSOT-23 enable compact, battery-operated form factors with >100-hour runtime. |
Use Scenario: Monitoring AC line voltage, battery charge level, and inverter output in UPS systems. IC Role / Device Role / Timing Role: System health monitor providing timely fault detection during brownouts or surges. Use Value: 73dB SNR ensures accurate RMS voltage measurement; 250ksps supports harmonic analysis up to 125kHz. |
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, requires external reference, 8-pin SOIC | Higher voltage operation but larger footprint and no extended temperature grade | Select if system uses 5V logic and needs higher supply margin; not suitable for 125°C or space-constrained designs |
| MAX1116EUT+T | 250ksps, 2.7V–3.6V, internal reference, SOT-23-6, –40°C to 85°C only | Same speed and package but limited to 85°C ambient - insufficient for under-hood use | Choose for cost-sensitive commercial applications below 85°C; avoid where automotive or industrial thermal stress exists |
Compared with ADS7822U and MAX1116EUT+T, the LTC2361HS6#TRPBF uniquely combines 250ksps throughput, –40°C to 125°C operation, VDD-referenced input, and 6-lead TSOT-23 packaging - making it the only option qualified for high-reliability, thermally demanding embedded systems without reference or layout compromises.
Availability
LTC2361HS6#TRPBF is available at Aetrix Electronics and suitable for automotive engine control, industrial motor drive sensing, and portable medical instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC2361HS6#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 LTC2361HS6#TRPBF belongs to ADI's ultra-low-power, high-speed SAR ADC product line, designed specifically for space- and energy-constrained embedded systems needing precision digitization without external references or complex support circuitry.
FAQ
What is the maximum sampling rate of the LTC2361HS6#TRPBF?
The LTC2361HS6#TRPBF has a guaranteed maximum sampling rate of 250ksps across its full operating temperature range (–40°C to 125°C). This rate is enforced by an internal oscillator, eliminating dependency on external clock stability. At 25°C, the device achieves 4μs minimum throughput time (1μs acquisition + 3μs conversion), supporting deterministic real-time control loop execution in the LTC2361HS6#TRPBF.
Does the LTC2361HS6#TRPBF require an external voltage reference?
No, the LTC2361HS6#TRPBF does not require an external voltage reference. In the S6 package configuration, the device uses VDD as its internal reference source, establishing a 0V to VDD analog input range. This eliminates external reference components, reduces BOM cost and PCB area, and removes reference-related thermal drift errors - a key design advantage confirmed in the LTC2361HS6#TRPBF datasheet.
What is the supply current consumption of the LTC2361HS6#TRPBF at 250ksps?
The LTC2361HS6#TRPBF draws 0.75mA typical supply current at 250ksps and 3V supply, corresponding to 2.25mW active power dissipation. In sleep mode (CONV held high between conversions), supply current drops to 0.1μA typical - a >7500× reduction that enables ultra-low average power in duty-cycled applications. These values are specified over the full –40°C to 125°C range for the LTC2361HS6#TRPBF.
Is the LTC2361HS6#TRPBF compatible with SPI interfaces?
Yes, the LTC2361HS6#TRPBF features a 3-wire SPI/MICROWIRE-compatible serial interface with CONV acting as chip select, SCK as clock, and SDO as data output. It outputs 12-bit MSB-first data on the falling edge of SCK and supports indefinite trailing zero output after valid data - enabling direct connection to standard microcontroller SPI peripherals without protocol translation. This compatibility is fully documented for the LTC2361HS6#TRPBF.
What is the operating temperature range of the LTC2361HS6#TRPBF?
The LTC2361HS6#TRPBF is rated for continuous operation from –40°C to 125°C, meeting extended industrial and automotive qualification requirements. This H-grade temperature range is explicitly defined in the ordering information table and verified across all electrical specifications - including SNR, INL, and supply current - ensuring reliable performance in under-hood, motor control, and harsh-environment applications using the LTC2361HS6#TRPBF.
LTC2361HS6#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 250k
- 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-23-6
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2361HS6#TRPBF FAQ
1.How can I place an order for LTC2361HS6#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2361HS6#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 LTC2361HS6#TRPBF reliable?
The price and inventory of LTC2361HS6#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2361HS6#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2361HS6#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2361HS6#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2361HS6#TRPBF?
LTC2361HS6#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2361HS6#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 LTC2361HS6#TRPBF?
For technical support, including LTC2361HS6#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2361HS6#TRPBF requirements.
6.How does Aetrix verify that LTC2361HS6#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2361HS6#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 LTC2361HS6#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2361HS6#TRPBF?
All LTC2361HS6#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2361HS6#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 LTC2361HS6#TRPBF part is unused and in its original packaging.
Return procedure for LTC2361HS6#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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