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Analog Devices Inc. LTC2364IMS-16#PBF
- Part No.:
- LTC2364IMS-16#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2364IMS-16#PBF.pdf
- Description:
- IC ADC 16BIT SAR 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,571
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Product details
Overview
LTC2364IMS-16#PBF from Analog Devices (formerly Linear Technology) is a 16-bit pseudo-differential unipolar successive approximation register (SAR) ADC optimized for high-speed, low-noise data acquisition. Operating from a single 2.5V supply with 2.5V–5.1V external reference support, it delivers 250ksps throughput, ±0.75LSB INL (max), guaranteed no missing codes, and 94.7dB typical SNR at 2kHz input-enabling precision measurement in portable instrumentation and industrial process control.
For engineers reviewing the LTC2364IMS-16#PBF datasheet, LTC2364IMS-16#PBF pinout, LTC2364IMS-16#PBF application, or LTC2364IMS-16#PBF equivalent, key selection considerations include its 16-lead MSOP package with –40°C to +85°C operating range, SPI-compatible serial interface with daisy-chain mode, internal conversion clock eliminating external timing constraints, and ultra-low 3.4mW power consumption at full speed.
Technical Context
The LTC2364IMS-16#PBF implements a charge-redistribution SAR architecture with a 16-bit CDAC and differential comparator, sampling the pseudo-differential IN+/IN– input during acquisition and executing binary-weighted voltage comparisons against VREF during conversion. It features no pipeline delay or cycle latency, enabling deterministic real-time sampling.
Its dual-supply design separates analog core (VDD = 2.5V) from digital I/O (OVDD = 1.8V–5.25V), supporting interoperability with mixed-voltage host systems. The internal oscillator governs conversion timing (tCONV = 1.9–3µs), while automatic power-down between conversions scales quiescent current from 1.7mA at 250ksps to 0.9µA in idle state.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit-guarantees full-scale quantization into 65,536 discrete levels with no missing codes. |
| Sampling Rate | 250ksps-supports real-time capture of signals up to 125kHz Nyquist bandwidth without undersampling. |
| SNR | 94.7dB typical at fIN = 2kHz, VREF = 5V-enables >15.7 effective number of bits (ENOB) in narrowband applications. |
| INL | ±0.75LSB maximum over temperature-ensures monotonicity and linearity critical for closed-loop control feedback. |
| Power Consumption | 3.4mW at 250ksps, 3.4µW at 250sps-facilitates battery-powered operation with dynamic power scaling. |
| Reference Range | 2.5V to 5.1V-allows flexible full-scale adjustment while maintaining 76µV LSB size at 5V reference. |
| Operating Temperature | –40°C to +85°C-qualified for industrial environments without derating. |
Pinout & Package
Package: 16-lead plastic MSOP (4.0mm × 3.0mm × 1.1mm), exposed pad not present (DFN variant has exposed pad; MSOP does not).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| CHAIN (1) | Mode selector | Low = normal SPI mode (RDL/SDI enables SDO); high = daisy-chain mode (RDL/SDI becomes SDI input). |
| VDD (2) | Analog core supply | 2.375V–2.625V; powers SAR core and reference buffer-requires 10µF ceramic bypass to GND. |
| GND (3,6,10,16) | Ground reference | Four dedicated ground pins minimize ground bounce and improve PSRR in high-speed sampling. |
| IN+ (4) | Pseudo-differential analog input (+) | Accepts 0V to VREF input; sees 45pF sampling capacitance and 40Ω switch resistance during acquisition. |
| IN– (5) | Pseudo-differential analog input (–) | Common-mode sense node; ±100mV range relative to GND-must connect to ground plane or remote sense point. |
| REF (7,8) | Reference voltage inputs | Dual-pin connection for low-impedance 2.5V–5.1V reference; requires 47µF X5R ceramic decoupling at pin. |
| CNV (9) | Convert trigger | Rising-edge–initiated conversion start; powers up ADC and begins acquisition phase-no minimum pulse width required. |
| BUSY (11) | Conversion status indicator | Active-high open-drain output signaling conversion progress; logic level referenced to OVDD. |
| RDL/SDI (12) | Serial bus control / data input | Function depends on CHAIN state; enables SDO tri-state (normal) or accepts daisy-chain data (chain mode). |
| SCK (13) | Serial clock input | Accepts 10ns min period (100MHz max); rising edge clocks out MSB-first 16-bit straight-binary result on SDO. |
| SDO (14) | Serial data output | Three-state output driven by OVDD; outputs conversion result or daisy-chain data synchronized to SCK. |
| OVDD (15) | Digital I/O supply | 1.71V–5.25V-sets logic thresholds for all digital pins, enabling direct interfacing with 1.8V/2.5V/3.3V/5V controllers. |
Key Features
| Feature | Design Value |
|---|---|
| No cycle latency | Immediate data availability after BUSY goes low-eliminates pipeline delay for time-critical control loops. |
| Auto power-down | Reduces supply current to 0.9µA between conversions-cuts average power in burst-sampling applications. |
| SPI-compatible interface | Supports 1.8V–5V logic levels and daisy-chain mode-enables multi-ADC synchronization without additional glue logic. |
| Guaranteed 16-bit no missing codes | Validated across –40°C to +85°C-ensures monotonic response in safety-critical sensor interfaces. |
| Internal conversion clock | Removes need for external timing circuitry-simplifies PCB layout and reduces BOM count. |
Applications
| Medical Imaging Signal Chain | Portable Data Logger |
|---|---|
Use Scenario: Digitizing low-amplitude analog outputs from ultrasound transducer front-ends or ECG amplifiers with minimal added noise. IC Role / Device Role / Timing Role: Primary SAR ADC capturing baseband signals at 250ksps with 94.7dB SNR to preserve diagnostic fidelity. Use Value: Enables 16-bit resolution without oversampling or digital filtering-reducing FPGA/DSP processing load in handheld scanners. |
Use Scenario: Battery-powered environmental monitoring node recording temperature, pressure, and humidity over extended periods. IC Role / Device Role / Timing Role: Low-power ADC sampling sensors at variable rates (250sps–250ksps) with automatic power-down between samples. Use Value: 3.4µW idle power extends battery life to years in low-duty-cycle deployments while maintaining 16-bit accuracy. |
| Industrial PLC Analog Input Module | Automated Test Equipment (ATE) |
Use Scenario: High-density I/O card acquiring multiple sensor channels in factory automation with tight channel-to-channel isolation. IC Role / Device Role / Timing Role: Precision ADC with pseudo-differential inputs rejecting common-mode noise from motor drives and switching power supplies. Use Value: 80dB CMRR at 125kHz and ±0.75LSB INL ensure accurate readings despite electrically noisy plant-floor environments. |
Use Scenario: High-speed functional test system validating mixed-signal ICs using fast, repeatable DC and AC parametric measurements. IC Role / Device Role / Timing Role: Reference-grade ADC providing traceable 16-bit measurements with <1LSB integral nonlinearity for calibration verification. Use Value: 94.7dB SNR and –120dB THD enable precise characterization of device spectral performance without external averaging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7682BCPZ-RL7 | 250ksps, 16-bit, pseudo-differential, but requires external reference and has higher 5.5mW power at full speed. | Lacks integrated reference buffer and daisy-chain mode-needs external REF driver and additional logic for multi-ADC sync. | Choose when existing design uses ADI ecosystem and external reference is already available; avoid if minimizing board area is critical. |
| ADS8860IDRCT | 16-bit, 1MSPS, but unipolar single-ended only and consumes 11mW at full speed-no pseudo-differential input or auto power-down. | Higher speed trades off noise performance (89dB SNR) and power efficiency-unsuitable for battery operation or noise-sensitive inputs. | Choose only for applications requiring >250ksps with relaxed SNR requirements; not a drop-in replacement due to different input structure and pinout. |
Compared with AD7682BCPZ-RL7 and ADS8860IDRCT, the LTC2364IMS-16#PBF uniquely combines pseudo-differential input, internal clock, daisy-chain capability, and sub-4mW power at 250ksps-making it optimal for space-constrained, low-noise, multi-channel industrial and portable systems where signal integrity and energy efficiency are co-prioritized.
Availability
LTC2364IMS-16#PBF is available at Aetrix Electronics and suitable for medical imaging signal chains, portable data loggers, and industrial PLC analog input modules requiring stable component supply with guaranteed long-term manufacturability.
Supply support for LTC2364IMS-16#PBF 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, formed through the acquisition of Linear Technology in 2017.
The LTC2364IMS-16#PBF belongs to ADI's precision SAR ADC product line, engineered for applications demanding high resolution, low power, and robust noise immunity-including portable instrumentation, industrial control, and medical diagnostics.
FAQ
What is the operating temperature range for the LTC2364IMS-16#PBF?
The LTC2364IMS-16#PBF is rated for operation from –40°C to +85°C, making it suitable for industrial environments where ambient temperatures exceed commercial grade limits. All key specifications-including INL, SNR, and power consumption-are guaranteed across this full range, with no derating required.
Does the LTC2364IMS-16#PBF require an external reference voltage?
Yes, the LTC2364IMS-16#PBF requires an external reference voltage applied to the REF pins (7 and 8). It supports 2.5V to 5.1V references, and performance metrics like SNR and INL are specified with a 5V reference. A low-noise, low-drift reference such as the LTC6655-5 is recommended to achieve datasheet performance.
How does the daisy-chain mode work on the LTC2364IMS-16#PBF?
Daisy-chain mode is enabled by pulling the CHAIN pin (1) high. In this mode, RDL/SDI (12) becomes a serial data input, allowing multiple LTC2364IMS-16#PBF devices to share one SCK and SDO line. Conversion results cascade through the chain, reducing GPIO count and simplifying synchronization in multi-channel systems.
What is the significance of the pseudo-differential input architecture in the LTC2364IMS-16#PBF?
The pseudo-differential input (IN+, IN–) rejects common-mode noise while maintaining unipolar input range (0V to VREF). IN– serves as a ground sense node (±100mV range), enabling accurate measurement in noisy environments-such as motor drives or switching power supplies-without requiring true differential signal sources.
Can the LTC2364IMS-16#PBF interface directly with a 1.8V microcontroller?
Yes-the LTC2364IMS-16#PBF supports 1.8V to 5V logic levels via the OVDD pin (15). When OVDD = 1.8V, all digital inputs (CNV, SCK, CHAIN, RDL/SDI) recognize 0.2×OVDD and 0.8×OVDD thresholds, and SDO outputs are compatible with 1.8V receivers-enabling seamless integration with ultra-low-voltage MCUs without level shifters.
LTC2364IMS-16#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-TFSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 250k
- Number of Inputs:
- 1
- Input Type:
- Pseudo-Differential
- 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:
- 2.375V ~ 2.625V
- Voltage - Supply, Digital:
- 2.375V ~ 2.625V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 16-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2364IMS-16#PBF FAQ
1.How can I place an order for LTC2364IMS-16#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2364IMS-16#PBF 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 LTC2364IMS-16#PBF reliable?
The price and inventory of LTC2364IMS-16#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2364IMS-16#PBF is usually 5 days.
3.What payment methods are accepted for LTC2364IMS-16#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2364IMS-16#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2364IMS-16#PBF?
LTC2364IMS-16#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2364IMS-16#PBF 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 LTC2364IMS-16#PBF?
For technical support, including LTC2364IMS-16#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2364IMS-16#PBF requirements.
6.How does Aetrix verify that LTC2364IMS-16#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2364IMS-16#PBF 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 LTC2364IMS-16#PBF meets industry standards.
7.What is the process for return or replacement of LTC2364IMS-16#PBF?
All LTC2364IMS-16#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2364IMS-16#PBF, 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 LTC2364IMS-16#PBF part is unused and in its original packaging.
Return procedure for LTC2364IMS-16#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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