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Analog Devices Inc. LTC2364HMS-16#PBF
- Part No.:
- LTC2364HMS-16#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2364HMS-16#PBF.pdf
- Description:
- IC ADC 16BIT SAR 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,325
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Product details
Overview
LTC2364HMS-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. It operates from a single 2.5V supply, supports 0V to VREF input range (VREF = 2.5V–5.1V), delivers 250ksps throughput with no pipeline delay, achieves ±0.75LSB INL max and 94.7dB SNR (typ), and is rated for –40°C to +125°C operation in industrial and harsh-environment instrumentation.
For engineers reviewing the LTC2364HMS-16#PBF datasheet, LTC2364HMS-16#PBF pinout, LTC2364HMS-16#PBF application, or LTC2364HMS-16#PBF equivalent, key selection criteria include guaranteed 16-bit no-missing-codes performance at full temperature range, H-grade thermal robustness, SPI-compatible daisy-chain capability, internal conversion clock, and ultra-low 3.4mW power consumption at 250ksps.
Technical Context
The LTC2364HMS-16#PBF implements a charge-redistribution SAR architecture with a 16-bit CDAC and differential comparator, sampling pseudo-differential inputs (IN+, IN–) using an internal oscillator to eliminate external timing dependencies. Its acquisition phase draws transient current into 45pF input capacitance, while conversion phase relies on binary-weighted reference fraction comparisons (e.g., VREF/2, VREF/4…VREF/65536).
It features dual supply domains: 2.5V analog core (VDD) and flexible 1.8V–5.25V digital I/O (OVDD), enabling interoperability with mixed-voltage host systems. The device supports both normal mode (RDL/SDI as bus enable) and chain mode (RDL/SDI as serial data input), with BUSY signaling and CNV-triggered conversion initiation - all specified over its full –40°C to +125°C operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - guarantees full-scale quantization into 65,536 discrete levels with no missing codes across temperature. |
| Sampling Rate | 250ksps - enables real-time capture of signals up to 125kHz Nyquist bandwidth without latency or pipeline delay. |
| SNR (typ) | 94.7dB at fIN = 2kHz, VREF = 5V - corresponds to ~76µV LSB size and < 0.001% RMS noise floor relative to full scale. |
| INL (max) | ±0.75LSB - ensures monotonicity and end-point linearity error ≤ ±48µV (at 5V ref), critical for precision control loops. |
| Power (250ksps) | 3.4mW total - splits as 1.36mA @ 2.5V (VDD) + 0.9mA @ 2.5V (OVDD) + 0.2mA ref current, enabling battery-constrained designs. |
| Operating Temp | –40°C to +125°C - qualified per H-grade specification, supporting deployment in engine control, downhole tools, and industrial PLCs. |
| VREF Range | 2.5V to 5.1V - allows dynamic scaling of input range (e.g., 0–2.5V or 0–5.1V) without hardware change, preserving SNR across voltage settings. |
Pinout & Package
Package: 16-lead plastic MSOP (5mm × 4.4mm), exposed pad not present (DFN variant has exposed GND pad; MSOP does not). Pin pitch: 0.65mm. RoHS-compliant lead-free finish (#PBF).
| 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 tristate); OVDD-referenced logic. |
| VDD (2) | Analog supply | 2.375V–2.625V core supply; bypass with 10µF ceramic capacitor; powers SAR, CDAC, and reference buffer. |
| GND (3,6,10,16) | Ground return | Four dedicated analog/digital GND pins minimize ground bounce; must be connected to low-impedance PCB plane. |
| IN+ (4) | Pseudo-diff input+ | Accepts 0V to VREF signal; sees 45pF capacitance during acquisition; requires low-impedance drive or buffering. |
| IN– (5) | Pseudo-diff input– | Common-mode sense node; ±100mV range vs GND; ties to remote ground or system AGND to reject common-mode noise. |
| REF (7,8) | Reference input | Dual-pin connection for 2.5V–5.1V external reference; requires 47µF X5R ceramic decoupling at pin for transient charge replenishment. |
| CNV (9) | Convert trigger | Rising-edge initiates acquisition/conversion; minimum 20ns pulse width; no setup/hold required relative to internal clock. |
| BUSY (11) | Status indicator | Active-high open-drain output; asserts at CNV↑, deasserts after tCONV (≤3µs); used for timing synchronization or interrupt generation. |
| RDL/SDI (12) | Serial interface control/data | In normal mode: bus-enable input (controls SDO tristate); in chain mode: serial data input (daisy-chain feed). |
| SCK (13) | Serial clock | OVDD-referenced input; supports up to 100MHz (10ns period); controls MSB-first data shift on rising edge. |
| SDO (14) | Serial data output | OVDD-referenced push-pull output; delivers 16-bit straight-binary result; valid within 9.5ns of SCK↑ (CL = 20pF). |
| OVDD (15) | Digital I/O supply | 1.71V–5.25V logic interface supply; sets VIH/VIL thresholds; bypass with 0.1µF ceramic capacitor. |
Key Features
| Feature | Design Value |
|---|---|
| No missing codes at 16 bits | Guaranteed over –40°C to +125°C, eliminating code ambiguity in closed-loop feedback or safety-critical monitoring. |
| Internal conversion clock | Removes need for external timing circuitry or master clock synchronization, simplifying layout and reducing BOM count. |
| Auto power-down between conversions | Reduces idle current to ≤140µA (H-grade), enabling burst-sampling architectures with µW-level average power. |
| SPI-compatible daisy-chain mode | Allows cascading multiple LTC2364HMS-16#PBF devices on one SPI bus, minimizing GPIO usage and PCB routing complexity. |
| Pseudo-differential unipolar input | Rejects common-mode noise on IN+/IN– while maintaining single-ended signal path simplicity and DC-coupled range definition. |
Applications
| Medical Imaging Signal Chain | Industrial Process Control Loop |
|---|---|
Use Scenario: Digitizing low-amplitude, high-fidelity analog outputs from ultrasound transducer front-ends or MRI gradient amplifiers. IC Role / Device Role / Timing Role: Primary SAR ADC capturing 16-bit samples at 250ksps with < 0.75LSB INL to preserve diagnostic image resolution and contrast fidelity. Use Value: 94.7dB SNR enables detection of sub-millivolt tissue echoes; H-grade temp rating supports compact, fanless scanner enclosures. | Use Scenario: Monitoring pressure, temperature, or flow sensors in distributed control systems (DCS) deployed in refineries or chemical plants. IC Role / Device Role / Timing Role: High-accuracy sensor digitizer interfacing with isolated microcontrollers via SPI, operating continuously at 125°C ambient. Use Value: Guaranteed no-missing-codes and ±0.75LSB INL ensure precise PID loop stability; 3.4mW dissipation reduces thermal loading in sealed junction boxes. |
| Portable Test Equipment | Automotive Battery Management System |
Use Scenario: Handheld oscilloscopes or multimeters requiring high-resolution, low-power analog capture in field-deployable units. IC Role / Device Role / Timing Role: Core ADC in battery-powered data logger acquiring sensor waveforms with minimal self-heating and long runtime. Use Value: 3.4µW standby power (250sps) extends battery life; 250ksps throughput supports real-time FFT analysis of vibration spectra. | Use Scenario: Cell voltage monitoring in high-voltage EV battery packs where thermal gradients exceed 100°C across modules. IC Role / Device Role / Timing Role: Precision cell voltage digitizer placed near battery cells, communicating via isolated SPI to central BMS controller. Use Value: –40°C to +125°C operation eliminates derating; pseudo-differential input rejects common-mode noise from switching inverters and motor drives. |
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 |
|---|---|---|---|
| ADS8860IDRCT | 16-bit, 1MSPS, single-ended input only; 2.5V supply; 92.5dB SNR (typ); –40°C to +85°C grade only. | Lacks pseudo-differential input and H-grade temp support; higher speed but lower SNR and narrower temp range. | Select when >250ksps is required and common-mode rejection is handled externally; avoid for 125°C environments. |
| AD7960BCPZ-RL7 | 18-bit, 5MSPS, pseudo-differential; 5V supply; 99.5dB SNR (typ); –40°C to +85°C; requires external reference and driver. | Higher resolution/speed but consumes 42mW at full rate; no integrated oscillator; wider supply and temp constraints. | Select for ultra-high-precision lab equipment where power and board space are secondary; not drop-in for LTC2364HMS-16#PBF footprint or thermal profile. |
Compared with ADS8860IDRCT and AD7960BCPZ-RL7, the LTC2364HMS-16#PBF uniquely balances 250ksps throughput, 94.7dB SNR, ±0.75LSB INL, and –40°C to +125°C operation in a compact MSOP package with internal clock and daisy-chain capability - making it optimal for ruggedized embedded systems where thermal margin and integration density are critical.
Availability
LTC2364HMS-16#PBF is available at Aetrix Electronics and suitable for industrial process control, portable instrumentation, and automotive battery monitoring requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC2364HMS-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 technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC2364HMS-16#PBF belongs to ADI's legacy Linear Technology precision SAR ADC portfolio, engineered for applications demanding low power, high SNR, and guaranteed performance across extreme temperatures - especially where reliability under thermal stress is non-negotiable.
FAQ
What is the maximum sampling frequency supported by the LTC2364HMS-16#PBF?
The LTC2364HMS-16#PBF supports a maximum sampling frequency of 250ksps, with guaranteed timing performance including tCONV ≤ 3µs and tCYC = 4µs across its full –40°C to +125°C operating range. This enables real-time capture of signals up to 125kHz without aliasing or latency penalties.
Does the LTC2364HMS-16#PBF require an external clock source?
No, the LTC2364HMS-16#PBF integrates an internal oscillator that sets the conversion time, eliminating dependency on external clock sources. This simplifies system timing design and improves immunity to clock jitter - a key advantage over externally clocked SAR ADCs.
Can the LTC2364HMS-16#PBF operate with a 3.3V digital interface while using a 2.5V analog supply?
Yes, the LTC2364HMS-16#PBF supports independent supplies: VDD = 2.5V for the analog core and OVDD = 1.71V–5.25V for digital I/O. With OVDD = 3.3V, VIH/VIL thresholds scale accordingly (VIH ≥ 2.64V, VIL ≤ 0.66V), ensuring reliable SPI communication with 3.3V microcontrollers.
What is the significance of the "H" grade in LTC2364HMS-16#PBF?
The "H" grade denotes qualification for continuous operation from –40°C to +125°C, with all electrical specifications - including ±0.75LSB INL, 94.7dB SNR, and 250ksps throughput - guaranteed across this full range. This distinguishes it from C-grade (0°C–70°C) and I-grade (–40°C–85°C) variants.
How does the pseudo-differential input architecture of the LTC2364HMS-16#PBF improve noise immunity?
The pseudo-differential input (IN+, IN–) rejects common-mode noise by comparing the signal on IN+ against a local ground sense on IN–, which has a ±100mV range. This architecture maintains unipolar 0V–VREF range while suppressing EMI, ground bounce, and supply ripple that couples equally to both pins - critical in noisy industrial environments.
LTC2364HMS-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 ~ 125°C
- Supplier Device Package:
- 16-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
LTC2364HMS-16#PBF FAQ
1.How can I place an order for LTC2364HMS-16#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2364HMS-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 LTC2364HMS-16#PBF reliable?
The price and inventory of LTC2364HMS-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 LTC2364HMS-16#PBF is usually 5 days.
3.What payment methods are accepted for LTC2364HMS-16#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2364HMS-16#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2364HMS-16#PBF?
LTC2364HMS-16#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2364HMS-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 LTC2364HMS-16#PBF?
For technical support, including LTC2364HMS-16#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2364HMS-16#PBF requirements.
6.How does Aetrix verify that LTC2364HMS-16#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2364HMS-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 LTC2364HMS-16#PBF meets industry standards.
7.What is the process for return or replacement of LTC2364HMS-16#PBF?
All LTC2364HMS-16#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2364HMS-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 LTC2364HMS-16#PBF part is unused and in its original packaging.
Return procedure for LTC2364HMS-16#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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