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Analog Devices Inc. LTC2365CS6#TRPBF
- Part No.:
- LTC2365CS6#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
LTC2365CS6#TRPBF.pdf
- Description:
- IC ADC 12BIT SAR TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:3,468
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Product details
Overview
LTC2365CS6#TRPBF from Analog Devices (formerly Linear Technology) is a 12-bit, 1Msps successive-approximation analog-to-digital converter (SAR ADC) in a 6-lead TSOT-23 package, operating from a single 2.35V–3.6V supply with 2mA typical supply current. It features 73dB SNR, 72dB SINAD at 1Msps, no data latency, and a high-impedance single-ended analog input (0V to VDD). It is used in battery-powered instrumentation and compact sensor interfaces where low power and small footprint are critical.
For engineers reviewing the LTC2365CS6#TRPBF datasheet, LTC2365CS6#TRPBF pinout, LTC2365CS6#TRPBF application, or LTC2365CS6#TRPBF equivalent, key selection criteria include guaranteed 12-bit no-missing-codes performance, 1Msps throughput with 333ns minimum throughput time, sleep mode consuming only 0.1µA, TSOT-23-6 thermal resistance (θJA = 250°C/W), and operation across 0°C to 70°C.
Technical Context
The LTC2365CS6#TRPBF implements a switched-capacitor SAR architecture with an integrated sample-and-hold circuit. Its analog input is referenced directly to VDD (0V to VDD range), eliminating external reference components. The serial interface uses SPI/MICROWIRE-compatible 3-wire timing with CS-active-low framing and SDO output enabled on CS fall.
It achieves full 12-bit resolution without missing codes over temperature, with ±0.25 LSB typical integral nonlinearity and ±0.25 LSB typical differential nonlinearity. Conversion is completed in 1000ns (tTHROUGHPUT), comprising 181.5ns acquisition and 818.5ns conversion time, synchronized to the falling edge of SCK.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with guaranteed no missing codes - ensures monotonic transfer function for precision measurement systems. |
| Sampling Rate | 1Msps maximum - supports real-time signal capture up to Nyquist frequency of 500kHz. |
| SNR / SINAD | 73dB / 72.8dB at 1MHz input - enables >11.7 effective bits for high-fidelity digitization. |
| Supply Current | 2mA typical at 1Msps, 0.1µA in sleep mode - allows ultra-low-power operation in duty-cycled sensor nodes. |
| Analog Input Range | 0V to VDD (2.35V–3.6V) - simplifies design by using supply rail as reference, no external VREF required. |
| Package | 6-lead TSOT-23 (2.9mm × 1.6mm × 0.8mm) - enables space-constrained PCB layouts in portable equipment. |
| Operating Temp | 0°C to 70°C (C-grade) - qualified for commercial and industrial control applications with ambient thermal stability. |
Pinout & Package
Package: 6-lead Plastic TSOT-23 (S6), 2.9mm × 1.6mm × 0.8mm body, exposed pad not electrically connected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pin 1) | Positive supply input | 2.35V–3.6V single supply; also defines full-scale analog input range (0V to VDD); requires 10µF ceramic bypass to GND. |
| GND (Pin 2) | Analog ground reference | Must connect directly to solid ground plane; serves as return for analog input and internal sample-and-hold. |
| AIN (Pin 3) | Analog input | Single-ended, high-impedance input (±1µA leakage); accepts 0V to VDD; no external gain stage needed for many transducers. |
| SCK (Pin 4) | Serial clock input | Falling-edge-triggered; controls conversion timing and data shift-out; max 16MHz for LTC2365; tSCK ≥ 2000ns. |
| SDO (Pin 5) | Serial data output | Three-state, MSB-first output; data format: two leading zeros + 12-bit result + two trailing zeros; Hi-Z when CS = HIGH. |
| CS (Pin 6) | Chip select input | Active-low; falling edge initiates conversion and enables SDO; minimum pulse width 4ns; frames entire 16-bit transfer. |
Key Features
| Feature | Design Value |
|---|---|
| No data latency | Output data valid immediately after conversion completes - eliminates pipeline delay in closed-loop control. |
| Integrated sample-and-hold | Aperture jitter < 0.3ns - preserves signal integrity for high-frequency inputs up to 30MHz full-power bandwidth. |
| Sleep mode | 0.1µA typical supply current - reduces average power in intermittent-sampling applications like wireless sensors. |
| Single-supply operation | 2.35V–3.6V VDD powers analog and digital sections - eliminates dual-rail supplies and associated regulators. |
| TSOT-23-6 footprint | 2.9mm × 1.6mm area - fits into < 5mm² board space, ideal for handheld medical and test equipment. |
Applications
| Portable Data Loggers | Industrial Sensor Interfaces |
|---|---|
Use Scenario: Battery-powered environmental monitors logging temperature, humidity, and pressure at 1ksps intervals. IC Role / Device Role / Timing Role: Primary SAR ADC capturing conditioned analog sensor outputs with minimal power overhead. Use Value: 2mA active current and 0.1µA sleep current extend battery life to >1 year on coin-cell; 12-bit resolution captures sub-0.1% sensor variations. | Use Scenario: DIN-rail mounted PLC analog input modules acquiring 4–20mA loop signals via precision shunt resistors. IC Role / Device Role / Timing Role: High-speed, rail-referenced ADC enabling fast scan rates across multiple channels. Use Value: 1Msps sampling supports 100+ channel multiplexed acquisition at >10ksps per channel; no missing codes ensures reliable fault detection. |
| Handheld Test Equipment | Medical Vital Sign Monitors |
Use Scenario: Pocket-sized oscilloscope probes digitizing baseband audio and low-MHz signals for FFT analysis. IC Role / Device Role / Timing Role: Front-end ADC providing real-time waveform capture with low noise floor and high dynamic range. Use Value: 73dB SNR and 72.8dB SINAD enable clean spectral analysis of 1MHz signals; TSOT-23-6 eases layout in multi-layer probe PCBs. | Use Scenario: Wearable ECG/PPG devices measuring biopotentials with low-noise front-end amplifiers. IC Role / Device Role / Timing Role: Final-stage digitizer converting amplified analog bio-signals with deterministic timing. Use Value: No data latency ensures precise R-wave timing alignment; 12-bit resolution resolves microvolt-level cardiac features. |
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 | 12-bit, 250ksps, 3.3V-only supply, 8-pin SOIC; higher power (1.2mW vs 6mW), no sleep mode. | Lower throughput limits use in high-speed transient capture; larger SOIC package increases board area. | Select when cost sensitivity outweighs speed/power needs and SOIC is acceptable. |
| MAX11100ETE+ | 12-bit, 1Msps, 2.7–3.6V supply, 12-pin TDFN; includes internal reference; 3.5mA supply current. | Internal reference adds flexibility but increases quiescent current; TDFN requires tighter layout control than TSOT-23. | Select when reference decoupling complexity must be avoided and TDFN assembly is supported. |
Compared with ADS7822U and MAX11100ETE+, the LTC2365CS6#TRPBF delivers superior power efficiency (6mW vs ≥10mW), smallest footprint (TSOT-23-6), and guaranteed no-missing-codes performance across temperature - making it optimal for size- and battery-constrained designs requiring deterministic 1Msps sampling.
Availability
LTC2365CS6#TRPBF is available at Aetrix Electronics and suitable for portable data loggers, industrial sensor interfaces, and handheld test equipment requiring stable component supply, long-term production continuity, and RoHS-compliant packaging.
Supply support for LTC2365CS6#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 LTC2365CS6#TRPBF belongs to ADI's legacy Linear Technology precision SAR ADC family, designed specifically for low-power, high-speed, space-constrained applications where rail-referenced simplicity and guaranteed 12-bit linearity are essential.
FAQ
What is the maximum sampling rate of the LTC2365CS6#TRPBF?
The LTC2365CS6#TRPBF has a maximum sampling rate of 1Msps, with a minimum throughput time of 1000ns. This is achieved using a 16MHz SCK clock, requiring 14 SCK cycles per conversion. At this rate, the device maintains 72.8dB SINAD and 73dB SNR with a 1MHz input signal, supporting high-fidelity digitization in compact systems.
Does the LTC2365CS6#TRPBF require an external reference voltage?
No, the LTC2365CS6#TRPBF does not require an external reference voltage. In the S6 package, it uses VDD as the reference, resulting in an analog input range of 0V to VDD (2.35V–3.6V). This eliminates external reference components and simplifies layout, unlike the TS8 variant which supports dedicated VREF and OVDD pins.
What is the sleep mode current consumption of the LTC2365CS6#TRPBF?
The LTC2365CS6#TRPBF draws only 0.1µA typical supply current in sleep mode, activated via the serial interface. This ultra-low quiescent current enables extended battery life in duty-cycled applications such as wireless sensor nodes and portable meters, where the LTC2365CS6#TRPBF remains idle between measurement bursts.
Can the LTC2365CS6#TRPBF interface directly with a 1.8V microcontroller?
No, the LTC2365CS6#TRPBF cannot interface directly with a 1.8V microcontroller. Its SDO output swing is tied to VDD (2.35V–3.6V), and its digital inputs require VIH ≥ 2.35V (for VDD > 2.7V). For 1.8V logic compatibility, level-shifting circuitry is required. The TS8-package variants (e.g., LTC2365CTS8#TRPBF) support OVDD for independent digital output voltage control.
What package type and dimensions does the LTC2365CS6#TRPBF use?
The LTC2365CS6#TRPBF uses a 6-lead Plastic TSOT-23 (S6) package measuring 2.9mm × 1.6mm × 0.8mm. It features gull-wing leads and a non-electrical exposed pad. This compact footprint provides thermal resistance θJA = 250°C/W and enables high-density PCB layouts in space-constrained applications such as handheld medical devices and IoT endpoints.
LTC2365CS6#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):
- 1M
- 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-23-6
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2365CS6#TRPBF FAQ
1.How can I place an order for LTC2365CS6#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2365CS6#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 LTC2365CS6#TRPBF reliable?
The price and inventory of LTC2365CS6#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2365CS6#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2365CS6#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2365CS6#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2365CS6#TRPBF?
LTC2365CS6#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2365CS6#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 LTC2365CS6#TRPBF?
For technical support, including LTC2365CS6#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2365CS6#TRPBF requirements.
6.How does Aetrix verify that LTC2365CS6#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2365CS6#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 LTC2365CS6#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2365CS6#TRPBF?
All LTC2365CS6#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2365CS6#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 LTC2365CS6#TRPBF part is unused and in its original packaging.
Return procedure for LTC2365CS6#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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