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Analog Devices Inc. LTC2376IMS-16#TRPBF
- Part No.:
- LTC2376IMS-16#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-TFSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC2376IMS-16#TRPBF.pdf
- Description:
- IC ADC 16BIT SAR 16MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,996
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Product details
Overview
LTC2376IMS-16#TRPBF from Analog Devices (formerly Linear Technology) is a 16-bit, 250ksps successive approximation register (SAR) analog-to-digital converter with ±0.5LSB INL max, 97dB SNR at 2kHz, and fully differential ±VREF input range (2.5V–5.1V). Operating from a single 2.5V supply and consuming only 3.4mW, it delivers no missing codes at 16 bits and supports digital gain compression (DGC) to enable single-supply amplifier driving - ideal for high-precision, low-power data acquisition in compact instrumentation.
For engineers reviewing the LTC2376IMS-16#TRPBF datasheet, LTC2376IMS-16#TRPBF pinout, LTC2376IMS-16#TRPBF application, or LTC2376IMS-16#TRPBF equivalent, key selection considerations include guaranteed operation from –40°C to +85°C, SPI-compatible serial interface with daisy-chain mode, internal conversion clock, 1.8V–5V I/O voltage support, and DGC-enabled 0.5V–4.5V input range with 5V reference.
Technical Context
The LTC2376IMS-16#TRPBF implements a charge-redistribution SAR architecture with a 16-bit CDAC and differential comparator, achieving no pipeline delay and zero cycle latency. Its internal oscillator eliminates external timing dependencies, while auto power-down between conversions scales dissipation with sampling rate - 3.4µW at 250sps.
Digital gain compression (DGC) is controlled via the REF/DGC pin: grounded enables 10%–90% full-scale mapping (e.g., 0.5V–4.5V with 5V VREF), preserving 16-bit resolution without requiring negative supply for input drivers. The ADC accepts fully differential inputs with ±VREF range and supports common-mode voltages from VREF/2 ± 0.1V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - guarantees 65,536 discrete output levels with no missing codes across temperature. |
| Sampling Rate | 250ksps - enables real-time capture of signals up to 125kHz Nyquist bandwidth. |
| SNR | 97dB (typ, fIN = 2kHz, VREF = 5V) - supports >15.8 effective bits (ENOB) in precision measurement. |
| INL | ±0.5LSB (max) - ensures monotonicity and accurate end-point linearity for calibration-critical systems. |
| Power Consumption | 3.4mW at 250ksps - allows battery-powered operation with thermal headroom in MSOP package. |
| Input Range | ±VREF (2.5V–5.1V) fully differential - accommodates wide dynamic signal swings without external scaling. |
| DGC Support | Enabled by grounding REF/DGC - shifts usable input span to 0.1×VREF to 0.9×VREF, enabling single 5.5V-supply driver amplifiers. |
Pinout & Package
Package: 16-lead plastic MSOP (5.0mm × 4.4mm × 1.1mm), rated for –40°C to +85°C operation. Exposed pad not present in MSOP variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CHAIN (1) | Mode selector | Low = normal SPI mode (RDL/SDI = bus enable); high = daisy-chain mode (RDL/SDI = serial data input). |
| VDD (2) | Analog supply | 2.375V–2.625V core supply; bypass with 10µF ceramic capacitor to GND. |
| GND (3,6,10,16) | Ground reference | Four dedicated ground pins minimize ground bounce and improve PSRR. |
| IN+, IN– (4,5) | Differential analog inputs | Accept ±VREF swing; input capacitance 45pF (sample), 5pF (hold); require low-impedance drive for settling. |
| REF (7) | Reference voltage input | 2.5V–5.1V external reference; decouple with 47µF X5R ceramic (0805) close to pin. |
| REF/DGC (8) | DGC control / reference bias | Tied to GND enables digital gain compression; tied to REF disables DGC for full ±VREF range. |
| CNV (9) | Convert trigger | Rising edge initiates conversion and powers up ADC; asynchronous, no minimum pulse width required. |
| BUSY (11) | Conversion status | Active-high open-drain indicator; asserts at CNV↑, deasserts when 16-bit result ready on SDO. |
| RDL/SDI (12) | Serial interface control/data | Function depends on CHAIN state; in chain mode, receives MSB-first data from upstream ADC. |
| SCK (13) | Serial clock input | Supports up to 100MHz (10ns period); rising edge clocks data out on SDO or in on RDL/SDI. |
| SDO (14) | Serial data output | 2's complement format; outputs 16-bit result MSB first; tri-state when RDL = low in normal mode. |
| OVDD (15) | I/O supply | 1.71V–5.25V logic supply; sets VIH/VIL thresholds; bypass with 0.1µF ceramic to GND. |
Key Features
| Feature | Design Value |
|---|---|
| No missing codes at 16 bits | Guaranteed monotonic transfer function over full temperature range (–40°C to +85°C), eliminating code ambiguity in closed-loop control. |
| Digital Gain Compression (DGC) | Enables 0.5V–4.5V input span with 5V reference, allowing single-supply op-amps (e.g., LT6350) without negative rail - reduces BOM count and PCB area. |
| Internal conversion clock | Eliminates need for external timing circuitry; simplifies layout and improves jitter immunity versus crystal-based clocks. |
| 1.8V–5V I/O compatibility | Supports direct interfacing to diverse host processors (ARM Cortex-M, FPGA, DSP) without level shifters - lowers system cost and complexity. |
| Auto power-down between conversions | Reduces current to 0.9µA typical during idle periods; power scales linearly with sample rate - critical for duty-cycled sensor nodes. |
Applications
| Medical Imaging Signal Chain | Industrial Process Monitoring |
|---|---|
Use Scenario: Digitizing low-noise, bipolar analog outputs from ultrasound beamformer channels or MRI gradient sensors. IC Role / Device Role / Timing Role: High-resolution, low-latency SAR ADC capturing transient waveforms with 97dB SNR and no missing codes. Use Value: Enables 16-bit fidelity in portable imaging devices while maintaining <3.4mW power draw per channel - extends battery life without sacrificing diagnostic accuracy. | Use Scenario: Sampling 4–20mA loop outputs, thermocouple signals, or pressure transducer bridges in PLC analog input modules. IC Role / Device Role / Timing Role: Precision front-end ADC with ±VREF differential input and DGC for simplified single-supply signal conditioning. Use Value: Eliminates need for dual-rail op-amps and external gain stages; reduces component count and improves long-term drift stability in harsh industrial environments. |
| Portable Test Equipment | Automated Test Equipment (ATE) |
Use Scenario: Embedded digitizer in handheld oscilloscopes or multimeters requiring DC–125kHz bandwidth and battery operation. IC Role / Device Role / Timing Role: Low-power, high-speed SAR ADC with internal clock and SPI interface for compact microcontroller-based acquisition. Use Value: Delivers 250ksps throughput with zero latency and 3.4µW standby power - enables >24-hour runtime on coin-cell batteries in field-deployable tools. | Use Scenario: Channelized digitization in modular ATE systems where multiple ADCs must be synchronized and daisy-chained. IC Role / Device Role / Timing Role: SPI-compatible ADC with CHAIN pin and daisy-chain mode for deterministic multi-device readout. Use Value: Reduces FPGA I/O pin count and routing complexity; enables precise inter-channel timing alignment without external clock distribution networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, low-power SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7960BCPZ-RL7 | 18-bit, 5MSPS, requires external reference and separate analog/digital supplies; no DGC; higher power (43mW at 5MSPS). | Targeted at ultra-high-resolution, high-throughput applications (e.g., spectral analysis), not low-power portable use. | Select when ENOB >16.5 bits and sampling >1MSPS is mandatory; avoid if DGC or sub-5mW operation is required. |
| ADS8860IDRCT | 16-bit, 1MSPS, SPI interface, but only 1.8V supply, no DGC, and ±2.048V fixed reference range (no VREF flexibility). | Optimized for low-voltage, high-speed data loggers with fixed reference; lacks differential input common-mode flexibility. | Choose for cost-sensitive, single-supply 1.8V systems where ±VREF programmability and DGC are unnecessary. |
Compared with AD7960BCPZ-RL7 and ADS8860IDRCT, the LTC2376IMS-16#TRPBF uniquely balances 16-bit integrity, 250ksps speed, 3.4mW power, ±VREF flexibility, and DGC - making it optimal for portable, battery-constrained, and single-supply signal chains where precision and efficiency coexist.
Availability
LTC2376IMS-16#TRPBF is available at Aetrix Electronics and suitable for medical imaging signal chains, industrial process monitoring, portable test equipment, and automated test equipment requiring stable component supply, extended temperature support (–40°C to +85°C), and RoHS-compliant packaging.
Supply support for LTC2376IMS-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, 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 LTC2376IMS-16#TRPBF belongs to ADI's legacy Linear Technology precision SAR ADC product line, engineered for applications demanding low noise, low power, and guaranteed 16-bit performance in space- and energy-constrained systems.
FAQ
What is the operating temperature range for the LTC2376IMS-16#TRPBF?
The LTC2376IMS-16#TRPBF is specified for operation from –40°C to +85°C (Industrial grade). This is confirmed in the Order Information table and Absolute Maximum Ratings section of the datasheet, and applies to all electrical and timing specifications unless otherwise noted. The "I" suffix in the part number explicitly denotes this temperature grade.
Does the LTC2376IMS-16#TRPBF support daisy-chaining with other ADCs?
Yes, the LTC2376IMS-16#TRPBF supports daisy-chaining via its CHAIN pin (Pin 1) and RDL/SDI pin (Pin 12). When CHAIN is high, RDL/SDI functions as a serial data input, accepting MSB-first data from an upstream ADC in the chain. The SDO output then relays the combined data stream, enabling synchronized multi-channel acquisition with minimal host interface resources.
How does Digital Gain Compression (DGC) affect the input voltage range of the LTC2376IMS-16#TRPBF?
When DGC is enabled (REF/DGC pin tied to GND), the LTC2376IMS-16#TRPBF maps zero-scale to 0.1×VREF and full-scale to 0.9×VREF. With a 5V reference, this yields a usable input range of 0.5V to 4.5V - providing 0.5V headroom at both rails. This allows driving amplifiers (e.g., LT6350) to operate from a single 5.5V supply instead of requiring ±5V rails, simplifying power design.
What is the maximum sampling frequency and corresponding conversion time for the LTC2376IMS-16#TRPBF?
The LTC2376IMS-16#TRPBF achieves a maximum sampling frequency of 250ksps, with a guaranteed conversion time (tCONV) of 1.9µs to 3.0µs over temperature. Its no-latency architecture means the BUSY signal deasserts precisely when the 16-bit result is ready on SDO, enabling immediate readout without pipeline delays - critical for real-time control loops.
Which package type does the LTC2376IMS-16#TRPBF use, and what are its key mechanical features?
The LTC2376IMS-16#TRPBF uses a 16-lead plastic MSOP package (5.0mm × 4.4mm × 1.1mm body size). It features gull-wing leads, no exposed thermal pad, and is qualified for surface-mount reflow per JEDEC J-STD-020. The "MS" in the part number explicitly identifies this MSOP variant, distinct from the DFN (DE) package offered in other versions like LTC2376CDE-16#TRPBF.
LTC2376IMS-16#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-TFSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 16
- Sampling Rate (Per Second):
- 250k
- Number of Inputs:
- 1
- Input Type:
- 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:
- -
LTC2376IMS-16#TRPBF FAQ
1.How can I place an order for LTC2376IMS-16#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC2376IMS-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 LTC2376IMS-16#TRPBF reliable?
The price and inventory of LTC2376IMS-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 LTC2376IMS-16#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC2376IMS-16#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC2376IMS-16#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC2376IMS-16#TRPBF?
LTC2376IMS-16#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC2376IMS-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 LTC2376IMS-16#TRPBF?
For technical support, including LTC2376IMS-16#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC2376IMS-16#TRPBF requirements.
6.How does Aetrix verify that LTC2376IMS-16#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC2376IMS-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 LTC2376IMS-16#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC2376IMS-16#TRPBF?
All LTC2376IMS-16#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC2376IMS-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 LTC2376IMS-16#TRPBF part is unused and in its original packaging.
Return procedure for LTC2376IMS-16#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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