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Analog Devices Inc. LTC2367HMS-16#PBF
- Part No.:
- LTC2367HMS-16#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2367HMS-16#PBF.pdf
- Description:
- IC ADC 16BIT SAR 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,140
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Product details
Overview
LTC2367HMS-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 500ksps 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 medical imaging systems.
For engineers reviewing the LTC2367HMS-16#PBF datasheet, LTC2367HMS-16#PBF pinout, LTC2367HMS-16#PBF application, or LTC2367HMS-16#PBF equivalent, key selection criteria include guaranteed 16-bit no-missing-codes performance, daisy-chain SPI interface compatibility across 1.8V–5V logic, internal conversion clock, auto power-down at low sampling rates, and H-grade extended temperature reliability.
Technical Context
The LTC2367HMS-16#PBF implements a charge-redistribution SAR architecture with a differential comparator and 16-bit CDAC, enabling precise pseudo-differential sampling of IN+ relative to IN– while rejecting common-mode noise. Its acquisition phase draws transient current into 45pF input capacitance via ~40Ω switch RON, followed by a deterministic 1.5µs conversion time set by an internal oscillator.
It features dual-supply operation: 2.375V–2.625V on VDD for analog core and 1.71V–5.25V on OVDD for flexible I/O interfacing. The CHAIN pin configures RDL/SDI between bus-enable (normal mode) and serial-data-input (daisy-chain mode), supporting multi-ADC synchronization without external timing control.
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 | 500ksps - enables real-time capture of signals up to 250kHz Nyquist bandwidth with zero cycle latency. |
| SNR | 94.7dB (typ) at fIN = 2kHz - corresponds to <1.2 LSBRMS noise floor, critical for high-fidelity sensor digitization. |
| INL | ±0.75LSB (max) - ensures monotonicity and end-point linearity error ≤ ±4.6mV (at VREF = 5V). |
| Power Dissipation | 6.75mW at 500ksps - enables battery-operated instrumentation with thermal rise <0.3°C in MSOP package (θJA = 110°C/W). |
| Operating Temperature | –40°C to +125°C - qualified for under-hood automotive sensing, downhole tools, and industrial PLC analog input modules. |
| Reference Range | 2.5V to 5.1V - allows system-level scaling of input dynamic range without external gain stages. |
Pinout & Package
Package: 16-lead plastic MSOP (5.0mm × 4.4mm × 1.1mm), exposed pad not present (DFN variant has exposed GND pad; MSOP does not). Pin pitch: 0.65mm.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CHAIN (1) | Mode selector | High = daisy-chain mode (RDL/SDI becomes serial input); Low = normal mode (RDL/SDI enables SDO tri-state). |
| VDD (2) | Analog core supply | 2.5V ±62.5mV supply; bypass with 10µF ceramic capacitor to minimize switching noise coupling into ADC core. |
| GND (3,6,10,16) | Analog/digital ground | Four dedicated GND pins reduce ground bounce; must be connected to low-impedance PCB ground plane. |
| IN+ (4) | Pseudo-differential input (+) | Accepts 0V to VREF signal; sees 45pF capacitance during acquisition; requires low-impedance drive or buffer (e.g., LT6202). |
| IN– (5) | Common-mode reference input | Input range ±100mV w.r.t. GND; ties to remote ground sense or local ground to reject common-mode noise. |
| REF (7,8) | Reference voltage inputs | Dual-pin connection for low-inductance decoupling; requires 47µF X5R ceramic cap (0805) placed <1mm from pins. |
| CNV (9) | Convert trigger | Rising edge initiates acquisition/conversion; minimum pulse width 20ns; asynchronous to SCK; powers up ADC from auto-power-down state. |
| BUSY (11) | Conversion status indicator | Active-high open-drain output; asserts at CNV↑, deasserts after tCONV (1.5µs max); used for timing readback or multi-ADC synchronization. |
| RDL/SDI (12) | Configurable I/O | In normal mode: active-low bus enable for SDO; in chain mode: serial data input for daisy-chained ADCs. |
| SCK (13) | Serial clock input | Supports up to 100MHz clock (10ns period); rising-edge sampled; timing-critical for SDO setup/hold compliance. |
| SDO (14) | Serial data output | MSB-first straight-binary output; tri-stated when RDL/SDI = low (normal mode) or BUSY = high (conversion in progress). |
| OVDD (15) | I/O interface supply | 1.71V–5.25V logic supply; sets VIH/VIL thresholds; bypass with 0.1µF ceramic cap near pin. |
Key Features
| Feature | Design Value |
|---|---|
| No pipeline delay / zero cycle latency | Enables deterministic real-time control loops-conversion result available immediately after BUSY deasserts, no FIFO buffering required. |
| Internal conversion clock | Eliminates need for external crystal or clock generator; simplifies layout and reduces BOM count in space-constrained designs. |
| Auto power-down between conversions | Reduces average power to 6.8µW at 500sps-ideal for duty-cycled sensor nodes where sampling occurs infrequently. |
| SPI-compatible daisy-chain mode | Allows synchronous readout of multiple LTC2367HMS-16#PBF devices using single SCK/SDO lines-reduces GPIO count and routing complexity. |
| H-grade temperature qualification | Guaranteed parametric performance over –40°C to +125°C-enables deployment in harsh environments without derating or thermal management overhead. |
Applications
| Medical Imaging Signal Chain | Industrial Process Control Loop |
|---|---|
Use Scenario: Digitizing low-amplitude, high-frequency ultrasound transducer outputs in portable imaging systems. IC Role / Device Role / Timing Role: Primary analog front-end ADC capturing 12–20MHz RF envelope signals after bandpass filtering and amplification. Use Value: 94.7dB SNR preserves weak echo signal integrity; 500ksps rate supports >25cm depth resolution; H-grade rating ensures stable operation inside thermally isolated handheld enclosures. | Use Scenario: High-precision analog input module for PLCs monitoring pressure, flow, and temperature in chemical processing plants. IC Role / Device Role / Timing Role: Isolated channel ADC converting 4–20mA loop signals conditioned by precision op-amps and references. Use Value: ±0.75LSB INL ensures <0.001% full-scale measurement accuracy; 125°C rating permits mounting near hot process piping; daisy-chain mode simplifies multi-channel scan sequencing. |
| Portable Test Equipment | Battery-Powered Data Logger |
Use Scenario: Handheld oscilloscope or spectrum analyzer capturing transient waveforms in field service applications. IC Role / Device Role / Timing Role: Core sampling ADC synchronized to internal timebase for real-time FFT computation and display. Use Value: No missing codes prevents waveform aliasing artifacts; internal clock eliminates jitter-sensitive external oscillator; 6.75mW dissipation extends Li-ion battery life to >8 hours per charge. | Use Scenario: Remote environmental sensor node logging vibration, humidity, and gas concentration over weeks on coin-cell power. IC Role / Device Role / Timing Role: Event-triggered ADC activated only upon threshold crossing or scheduled wake-up intervals. Use Value: Auto power-down cuts idle current to <140µA; 500sps ultra-low-power mode achieves 6.8µW consumption; H-grade reliability ensures long-term field deployment without recalibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7960BCPZ-RL7 | 18-bit, 5Msps, 2.5V supply, requires external reference and clock; higher power (43mW), no auto power-down. | Better resolution/speed but demands more board area, power budget, and timing design effort. | Select when >16-bit resolution and >500ksps are mandatory; avoid if thermal or power constraints apply. |
| ADS8860IRGET | 16-bit, 1MSPS, 2.5–5V supply, SPI interface, integrated reference; lower SNR (91.5dB), –40°C to +85°C grade only. | Lower cost and simpler BOM (no external REF), but insufficient for 125°C environments or highest SNR requirements. | Select for cost-sensitive, non-extended-temp applications where 91.5dB SNR meets system specs. |
Compared with AD7960BCPZ-RL7 and ADS8860IRGET, the LTC2367HMS-16#PBF uniquely balances 16-bit no-missing-codes fidelity, 500ksps throughput, ultra-low 6.75mW power, internal clocking, and full H-grade temperature support-making it optimal for compact, battery-aware, high-reliability industrial and medical data acquisition.
Availability
LTC2367HMS-16#PBF is available at Aetrix Electronics and suitable for medical imaging signal chains, industrial process control loops, and portable test equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC2367HMS-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 LTC2367 family was designed by Linear Technology (acquired by ADI in 2017) specifically for high-speed, low-power, precision data acquisition in thermally demanding environments-emphasizing robustness, simplicity, and guaranteed AC performance across temperature.
FAQ
What is the maximum recommended reference voltage for the LTC2367HMS-16#PBF?
The LTC2367HMS-16#PBF supports a reference voltage range of 2.5V to 5.1V. Operation above 5.1V violates absolute maximum ratings and may cause permanent damage. At 5.1V, LSB size is 78µV, maximizing dynamic range without exceeding specification limits. Always decouple REF pins with a 47µF X5R ceramic capacitor placed within 1mm of the pins to maintain stability during conversion transients.
Does the LTC2367HMS-16#PBF require external clocking for conversion timing?
No, the LTC2367HMS-16#PBF uses an internal oscillator to set conversion time (tCONV = 1.5µs max), eliminating dependency on external clocks. This simplifies system timing design and avoids jitter-induced SNR degradation. External SCK is only required for serial data readout-not for conversion initiation or duration control.
Can the LTC2367HMS-16#PBF operate with OVDD = 1.8V while VDD = 2.5V?
Yes, the LTC2367HMS-16#PBF fully supports independent OVDD (1.71V–5.25V) and VDD (2.375V–2.625V) supplies. With OVDD = 1.8V, digital I/O thresholds become VIH = 1.44V and VIL = 0.36V, ensuring compatibility with 1.8V FPGA or microcontroller interfaces while maintaining full analog performance from the 2.5V VDD rail.
How does the CHAIN pin affect the RDL/SDI pin functionality in the LTC2367HMS-16#PBF?
When CHAIN = low, RDL/SDI acts as an active-low bus enable controlling SDO tri-state; when CHAIN = high, RDL/SDI becomes SDI for daisy-chain mode, accepting serial data from upstream ADCs. This dual-role pin enables flexible system architecture-single-device point-to-point or multi-device synchronized acquisition-without changing PCB layout or firmware I/O mapping.
Is the LTC2367HMS-16#PBF pin-compatible with other variants in the LTC2367-16 family?
Yes, all LTC2367-16 variants-including LTC2367CMS-16#PBF (C-grade), LTC2367IMS-16#PBF (I-grade), and LTC2367HMS-16#PBF (H-grade)-share identical 16-lead MSOP pinout, electrical interface, and functional behavior. Only operating temperature range and tested parametric limits differ; no PCB redesign is needed when upgrading from I-grade to H-grade for extended thermal environments.
LTC2367HMS-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):
- 500k
- 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:
- -
LTC2367HMS-16#PBF FAQ
1.How can I place an order for LTC2367HMS-16#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2367HMS-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 LTC2367HMS-16#PBF reliable?
The price and inventory of LTC2367HMS-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 LTC2367HMS-16#PBF is usually 5 days.
3.What payment methods are accepted for LTC2367HMS-16#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2367HMS-16#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2367HMS-16#PBF?
LTC2367HMS-16#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2367HMS-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 LTC2367HMS-16#PBF?
For technical support, including LTC2367HMS-16#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2367HMS-16#PBF requirements.
6.How does Aetrix verify that LTC2367HMS-16#PBF is sourced from the original manufacturer or authorized distributors?
All LTC2367HMS-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 LTC2367HMS-16#PBF meets industry standards.
7.What is the process for return or replacement of LTC2367HMS-16#PBF?
All LTC2367HMS-16#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2367HMS-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 LTC2367HMS-16#PBF part is unused and in its original packaging.
Return procedure for LTC2367HMS-16#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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