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Analog Devices Inc. LTC2364IDE-16#TRPBF
- Part No.:
- LTC2364IDE-16#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-WFDFN Exposed Pad
- Datasheet:
-
LTC2364IDE-16#TRPBF.pdf
- Description:
- IC ADC 16BIT SAR 16DFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,451
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Product details
Overview
LTC2364IDE-16#TRPBF 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. It delivers 250ksps throughput, ±0.75LSB INL max, 94.7dB SNR at 2kHz input, and operates from a single 2.5V supply with VREF adjustable from 2.5V to 5.1V - ideal for portable instrumentation and industrial process control requiring precision at low power.
For engineers reviewing the LTC2364IDE-16#TRPBF datasheet, LTC2364IDE-16#TRPBF pinout, LTC2364IDE-16#TRPBF application, or LTC2364IDE-16#TRPBF equivalent, key selection criteria include guaranteed no-missing-codes performance, daisy-chain SPI interface compatibility, internal conversion clock, -40°C to +85°C extended temperature operation, and 4mm × 3mm DFN package with exposed ground pad.
Technical Context
The LTC2364IDE-16#TRPBF implements a charge-redistribution SAR architecture with pseudo-differential sampling: IN+ accepts 0V to VREF signals while IN– serves as a ground-sense reference with ±100mV range. Conversion is initiated by a rising edge on CNV, with no pipeline delay and fixed 1.9–3µs conversion time set by an internal oscillator.
Its SPI-compatible serial interface supports 1.8V–5V OVDD logic levels and offers two operational modes: normal mode (RDL/SDI enables/disables SDO) and daisy-chain mode (RDL/SDI becomes serial data input when CHAIN = high), enabling multi-ADC synchronization without external timing control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - guarantees full 65,536-code dynamic range with no missing codes across temperature. |
| Sampling Rate | 250ksps - enables real-time capture of signals up to 125kHz Nyquist bandwidth. |
| SNR | 94.7dB typical at fIN = 2kHz, VREF = 5V - corresponds to ~76µV LSB noise floor for high-fidelity signal digitization. |
| INL | ±0.75LSB maximum - ensures monotonicity and accurate end-point linearity in calibration-critical systems. |
| Power Consumption | 3.4mW at 250ksps - enables battery-operated designs with <1.7mA total supply current (VDD + OVDD + IREF). |
| Reference Range | VREF = 2.5V to 5.1V - allows flexible full-scale scaling while maintaining 16-bit resolution and SNR performance. |
| Operating Temperature | –40°C to +85°C - qualified for industrial environments without derating. |
Pinout & Package
Package: 16-lead (4mm × 3mm) plastic DFN with exposed GND pad (Pin 17), RoHS-compliant, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CHAIN (1) | Mode selector | High = daisy-chain mode (RDL/SDI becomes SDI); Low = normal mode (RDL/SDI enables SDO bus). |
| VDD (2) | Analog supply | 2.375V–2.625V @ 2.5V nominal; powers core ADC and internal oscillator. |
| GND (3,6,10,16) | Ground return | Multiple dedicated analog/digital GND pins minimize ground bounce and improve PSRR. |
| IN+ (4) | Pseudo-differential input | Accepts 0V to VREF unipolar signal; sampled via 45pF capacitor and 40Ω switch during acquisition phase. |
| IN– (5) | Ground sense reference | ±100mV range w.r.t. GND; must connect to system ground plane or remote ground point. |
| REF (7,8) | Reference input | 2.5V–5.1V external reference; requires 47µF X5R ceramic decoupling close to pin. |
| CNV (9) | Convert trigger | Rising-edge initiates acquisition/conversion; no minimum low-time requirement beyond 20ns. |
| BUSY (11) | Status indicator | Active-high open-drain output signals conversion progress; logic referenced to OVDD. |
| RDL/SDI (12) | Configurable I/O | Function depends on CHAIN state; supports bidirectional SPI communication in chain mode. |
| SCK (13) | Serial clock | Accepts 10ns min period (100MHz max); controls MSB-first data shift timing for SDO. |
| SDO (14) | Serial data output | 3-state output driven by OVDD; outputs straight-binary 16-bit code synchronized to SCK rising edge. |
| OVDD (15) | Digital I/O supply | 1.71V–5.25V - enables direct interfacing with 1.8V/2.5V/3.3V/5V host controllers. |
| GND (17) | Exposed pad | Thermal and electrical ground; must be soldered to PCB ground plane for thermal dissipation and noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| No cycle latency | Immediate data availability after BUSY goes low - eliminates FIFO buffering in real-time control loops. |
| Auto power-down | Reduces current to 0.9µA between conversions - cuts average power proportionally to sampling duty cycle. |
| Daisy-chain SPI mode | Enables synchronous sampling across multiple LTC2364IDE-16#TRPBF devices using single SCK/SCKCH line - simplifies multi-channel timing. |
| Guaranteed 16-bit no missing codes | Validated over full –40°C to +85°C range - eliminates code gaps in closed-loop feedback or metrology applications. |
| Internal conversion clock | Removes need for external timing source or clock tree design - reduces BOM count and layout complexity. |
Applications
| Medical Imaging Signal Chain | Portable Battery-Powered Instrumentation |
|---|---|
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 250ksps waveform data with 94.7dB SNR and ±0.75LSB INL to preserve diagnostic fidelity. Use Value: Enables high-resolution imaging without oversampling or digital filtering, reducing FPGA processing load and power. |
Use Scenario: High-precision voltage/current monitoring in handheld multimeters or field calibrators operating from coin-cell or Li-ion batteries. IC Role / Device Role / Timing Role: Low-power 16-bit ADC providing calibrated measurements with auto power-down between readings. Use Value: 3.4mW active power and sub-µA shutdown current extend battery life to >1 year in intermittent-use instruments. |
| Industrial Process Control Sensor Interface | Automated Test Equipment (ATE) Channel Expansion |
Use Scenario: Converting isolated 4–20mA loop signals or RTD/thermocouple outputs in PLC analog input modules. IC Role / Device Role / Timing Role: Precision unipolar ADC accepting buffered 0–5V inputs with CMRR >80dB at 125kHz to reject common-mode noise. Use Value: Eliminates need for external gain/level-shift stages; pseudo-differential architecture rejects ground-loop interference. |
Use Scenario: Adding high-speed, high-resolution measurement channels to modular ATE systems requiring synchronized sampling. IC Role / Device Role / Timing Role: SPI-configurable ADC supporting daisy-chain mode for deterministic multi-device timing alignment. Use Value: Reduces per-channel controller overhead and PCB routing complexity versus parallel-interface alternatives. |
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 |
|---|---|---|---|
| AD7960BCPZ-RL7 | 18-bit, 5MSPS, differential input only; requires external reference and driver; consumes 34mW at full speed. | Higher resolution/speed but demands more complex support circuitry and power budget. | Select when >16-bit ENOB or >250ksps is mandatory; avoid if board space or power is constrained. |
| ADS8860IDRCT | 16-bit, 1MSPS, pseudo-differential; 2.5–5V VREF; 3.3V-only OVDD; 92.5dB SNR; no daisy-chain mode. | Lacks CHAIN/RDL flexibility and 1.8V/5V OVDD compatibility; lower SNR than LTC2364IDE-16#TRPBF. | Choose for cost-sensitive, single-supply 3.3V systems where daisy-chaining is unnecessary. |
Compared with AD7960BCPZ-RL7 and ADS8860IDRCT, the LTC2364IDE-16#TRPBF uniquely balances 250ksps throughput, 94.7dB SNR, ultra-low 3.4mW power, and flexible 1.8V–5V SPI interface - making it optimal for compact, battery-aware, multi-ADC industrial and medical systems.
Availability
LTC2364IDE-16#TRPBF is available at Aetrix Electronics and suitable for medical imaging signal chains, portable instrumentation, industrial process control sensor interfaces, and automated test equipment requiring stable component supply across extended temperature ranges.
Supply support for LTC2364IDE-16#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 acquired Linear Technology in 2017 and maintains its high-performance precision analog portfolio, including SAR ADCs, references, and signal conditioning ICs.
The LTC2364IDE-16#TRPBF belongs to Linear's low-power, high-speed SAR ADC family designed for applications demanding high DC accuracy, excellent AC performance, and minimal power consumption in space-constrained environments.
FAQ
What is the guaranteed operating temperature range for the LTC2364IDE-16#TRPBF?
The LTC2364IDE-16#TRPBF is rated for continuous operation from –40°C to +85°C. This I-grade qualification is confirmed in the manufacturer's order information table and applies across all specified electrical parameters, including ±0.75LSB INL and 94.7dB SNR, without derating.
Does the LTC2364IDE-16#TRPBF require an external clock source?
No, the LTC2364IDE-16#TRPBF integrates an internal oscillator that sets conversion timing. This eliminates external clock generation and distribution, simplifying layout and reducing jitter-sensitive timing paths - a key advantage over externally clocked SAR ADCs.
How does the pseudo-differential input architecture of the LTC2364IDE-16#TRPBF improve noise rejection?
The LTC2364IDE-16#TRPBF's pseudo-differential input uses IN+ (0V to VREF) and IN– (±100mV around GND) to reject common-mode noise. Its 80dB CMRR at 125kHz suppresses ground-loop interference and EMI coupling - critical in noisy industrial or medical environments where true differential drivers are impractical.
Can the LTC2364IDE-16#TRPBF interface directly with a 1.8V microcontroller?
Yes. The LTC2364IDE-16#TRPBF supports OVDD from 1.71V to 5.25V, allowing direct connection to 1.8V logic without level shifters. VIH/VIL thresholds scale with OVDD (0.8×/0.2×), ensuring robust SPI communication with 1.8V hosts while maintaining full 250ksps throughput.
What is the purpose of the exposed pad (Pin 17) on the LTC2364IDE-16#TRPBF DFN package?
The exposed pad (Pin 17) on the LTC2364IDE-16#TRPBF is electrically and thermally connected to GND. It must be soldered to the PCB ground plane to ensure proper thermal dissipation (θJA = 40°C/W) and low-impedance grounding - failure to do so risks degraded SNR, increased thermal drift, and potential reliability issues.
LTC2364IDE-16#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- 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-DFN (4x3)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2364IDE-16#TRPBF FAQ
1.How can I place an order for LTC2364IDE-16#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2364IDE-16#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 LTC2364IDE-16#TRPBF reliable?
The price and inventory of LTC2364IDE-16#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC2364IDE-16#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2364IDE-16#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2364IDE-16#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2364IDE-16#TRPBF?
LTC2364IDE-16#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2364IDE-16#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 LTC2364IDE-16#TRPBF?
For technical support, including LTC2364IDE-16#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2364IDE-16#TRPBF requirements.
6.How does Aetrix verify that LTC2364IDE-16#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2364IDE-16#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 LTC2364IDE-16#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2364IDE-16#TRPBF?
All LTC2364IDE-16#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2364IDE-16#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 LTC2364IDE-16#TRPBF part is unused and in its original packaging.
Return procedure for LTC2364IDE-16#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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