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Analog Devices Inc. LTC6363IMS8-0.5#TRPBF
- Part No.:
- LTC6363IMS8-0.5#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6363IMS8-0.5#TRPBF.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,576
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Product details
Overview
LTC6363IMS8-0.5#TRPBF from Analog Devices is a precision, low-power, fixed-gain (0.5 V/V) differential amplifier optimized for driving high-resolution SAR ADCs such as the LTC2378-20. It features laser-trimmed on-chip resistors for 45 ppm max gain error, 94 dB min CMRR, and rail-to-rail differential outputs with input common mode range extending to ground. Its 2.9 nV/√Hz input-referred noise and 720 ns settling time to 18-bit accuracy support 20-bit data acquisition in battery-powered instrumentation.
For engineers reviewing the LTC6363IMS8-0.5#TRPBF datasheet, LTC6363IMS8-0.5#TRPBF pinout, LTC6363IMS8-0.5#TRPBF application, or LTC6363IMS8-0.5#TRPBF equivalent, key selection criteria include guaranteed 0.5 V/V gain accuracy over temperature, shutdown current ≤40 µA at 3 V, and MS8 package compatibility with space-constrained signal chains requiring single-ended-to-differential conversion.
Technical Context
The LTC6363IMS8-0.5#TRPBF integrates precision matched thin-film resistors to form a fully differential amplifier with fixed 0.5 V/V gain, eliminating external resistor matching errors and reducing layout sensitivity. Its internal feedback network ensures stable operation across 2.8 V to 11 V supply rails while maintaining ultralow gain drift (±0.5 ppm/°C).
Designed specifically for DC-coupled interfaces, it accepts ground-referenced single-ended inputs and delivers balanced, rail-to-rail differential outputs with VOCM pin control of output common-mode voltage. The amplifier's 35 MHz –3dB bandwidth and 500 MHz gain-bandwidth product enable wideband signal conditioning without sacrificing DC precision.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | Fixed 0.5 V/V with ±0.0075% max gain error over temperature - enables predictable scaling without external resistor tolerances. |
| Input Noise Density | 15.1 nV/√Hz at 100 kHz - includes internal resistor thermal noise, critical for preserving SNR in 18–20-bit ADC systems. |
| Settling Time | 720 ns to 4 ppm (18-bit) - ensures full accuracy before SAR ADC sampling window closes. |
| Supply Current | 1.95 mA max at 3 V active, 40 µA max in shutdown - supports ultra-low-power portable and sensor-node designs. |
| CMRR | 94 dB min (typ. 106 dB) - rejects common-mode interference from noisy digital or power domains in mixed-signal PCBs. |
| Input Common Mode Range | –10 V to +16.4 V at 10 V supply - accommodates wide-range industrial sensors without level-shifting circuitry. |
| Shutdown Current | 40 µA max at 3 V - allows rapid power gating between conversion cycles to extend battery life. |
Pinout & Package
Package: 8-Lead MSOP (2 mm × 3 mm), RoHS-compliant, exposed pad connected to V– per datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (–IN) | Inverting Input | Differential input node; accepts ground-referenced or bipolar signals within specified VICMR. |
| 2 (VOCM) | Output Common-Mode Control | Sets midpoint voltage of differential output pair; externally driven or self-biased (1.5 V at 3 V supply). |
| 3 (V+) | Positive Supply Rail | Accepts 2.8 V to 11 V; PSRR >90 dB minimizes supply ripple coupling into output. |
| 4 (+OUT) | Positive Differential Output | Rail-to-rail output; swings within 0.1 V of rails at 5 mA load - simplifies interface to ADC input ranges. |
| 5 (+IN) | Non-Inverting Input | Differential input node; matched to Pin 1 for optimal CMRR performance. |
| 6 (SHDN) | Shutdown Enable | Logic-controlled (VIH ≥ (V+ + V–)/2 + 1.2 V); reduces supply current to µA range. |
| 7 (V–) | Negative Supply Rail | Ground or negative rail; exposed pad must be connected to V– for thermal and electrical integrity. |
| 8 (–OUT) | Negative Differential Output | Complementary to Pin 4; maintains balance for optimal harmonic distortion (HD2/HD3 ≤ –123/–128 dBc). |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed gain resistors | 0.5 V/V gain accuracy maintained at ±0.0075% over –40°C to 85°C - eliminates calibration for production test. |
| DC-coupled single-ended-to-differential conversion | Input common mode includes ground; no AC coupling capacitors needed - preserves low-frequency fidelity down to 0 Hz. |
| Low distortion at full scale | 118 dB SFDR at 2 kHz, 18 VP-P - meets dynamic range requirements of 20-bit SAR ADCs like LTC2378-20. |
| Fast, precise settling | 720 ns to 18-bit (4 ppm) - aligns with sub-microsecond sampling windows of 1 Msps ADCs. |
| Flexible VOCM control | VOCM pin supports externally driven or self-biased operation (1.5 V at 3 V supply) - adapts to varying ADC reference levels. |
| Low-power shutdown mode | 20 µA typical shutdown current at 3 V - enables duty-cycled operation in energy-constrained IoT endpoints. |
Applications
| High-Resolution Data Acquisition | Battery-Powered Instrumentation |
|---|---|
|
Use Scenario: Digitizing low-level sensor outputs (e.g., strain gauges, thermocouples) with 20-bit resolution using LTC2378-20 ADC. IC Role / Device Role / Timing Role: Precision differential driver providing DC-coupled, low-noise, gain-stable interface between sensor front-end and SAR ADC input. Use Value: 15.1 nV/√Hz noise and 720 ns settling preserve full 102 dB SNR and 101.8 dB SINAD measured with LTC2378-20 at 131k-point FFT. |
Use Scenario: Portable multimeter or handheld oscilloscope requiring extended battery life and high DC accuracy. IC Role / Device Role / Timing Role: Low-power signal conditioner enabling 1.95 mA active current and 40 µA shutdown - extends runtime between charges. Use Value: Shutdown mode reduces average system power by >98% during idle periods, while 0.5 V/V gain maintains consistent scaling across temperature. |
| Industrial Process Monitoring | Medical Sensor Signal Chain |
|
Use Scenario: Isolated analog input module for PLCs measuring 4–20 mA loop signals with ±0.01% linearity. IC Role / Device Role / Timing Role: Level shifter and common-mode translator converting unipolar loop current to differential ADC input with VOCM control. Use Value: Input common mode range of –10 V to +16.4 V at 10 V supply accommodates wide industrial voltage transients without clamping diodes. |
Use Scenario: ECG or EEG front-end digitizing microvolt-level bio-signals with minimal added noise and offset drift. IC Role / Device Role / Timing Role: Ultra-stable gain block with 0.45 µV/°C offset drift and 45 ppm max gain error - reduces calibration frequency. Use Value: Laser-trimmed resistors ensure long-term gain stability, critical for FDA-compliant medical devices requiring traceable accuracy over shelf life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4940-1ARZ | Unity-gain stable, 200 MHz GBW, higher supply current (4.5 mA), no integrated gain resistors - requires external 0.5× attenuation network. | Higher bandwidth suits >10 MSPS ADCs; lacks factory-trimmed 0.5 V/V gain - adds design complexity and matching risk. | Select ADA4940-1ARZ only if >100 MHz small-signal bandwidth is required and external resistor matching is acceptable. |
| LTC6363IMS8-1#TRPBF | Same architecture, 1 V/V fixed gain, identical package/pinout, 10.5 nV/√Hz noise - lower noise but no attenuation capability. | Used where signal amplitude matches ADC full-scale without scaling; cannot replace 0.5× gain function without external attenuation. | Choose LTC6363IMS8-1#TRPBF only when unity gain is sufficient; LTC6363IMS8-0.5#TRPBF remains mandatory for signal attenuation scenarios. |
Compared with ADA4940-1ARZ and LTC6363IMS8-1#TRPBF, the LTC6363IMS8-0.5#TRPBF uniquely delivers factory-calibrated 0.5 V/V gain with <0.01% error, enabling direct replacement of discrete attenuator + amplifier stages while guaranteeing CMRR and noise performance without layout-dependent tuning.
Availability
LTC6363IMS8-0.5#TRPBF is available at Aetrix Electronics and suitable for high-resolution data acquisition, battery-powered instrumentation, and industrial process monitoring requiring stable component supply and guaranteed parametric performance across –40°C to 85°C.
Supply support for LTC6363IMS8-0.5#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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision measurement, industrial automation, and communications markets.
The LTC6363 family was designed to solve precision signal chain challenges in high-resolution SAR ADC interfaces, delivering integrated gain, low noise, and rail-to-rail output drive in miniature packages - with LTC6363IMS8-0.5#TRPBF targeting applications needing accurate 0.5× attenuation.
FAQ
What is the guaranteed gain accuracy of LTC6363IMS8-0.5#TRPBF over temperature?
The LTC6363IMS8-0.5#TRPBF guarantees ±0.0075% differential gain error over its full operating range of –40°C to 85°C, enabled by laser-trimmed on-chip resistors. This corresponds to 45 ppm max gain error, ensuring predictable scaling without recalibration in field-deployed equipment.
Does LTC6363IMS8-0.5#TRPBF support true DC-coupled operation from ground-referenced inputs?
Yes, LTC6363IMS8-0.5#TRPBF supports DC-coupled operation with input common mode range including ground (0 V) at 3 V supply, extending to –10 V at 10 V supply. This eliminates the need for AC-coupling capacitors and preserves signal integrity down to 0 Hz - essential for precision sensor interfaces.
What is the maximum settling time to 18-bit accuracy for LTC6363IMS8-0.5#TRPBF?
The LTC6363IMS8-0.5#TRPBF settles to 4 ppm (18-bit) accuracy in 720 ns for an 8 VP-P output step, as specified in the Electrical Characteristics table. This performance is validated across temperature and supply conditions, enabling reliable use with 1 Msps SAR ADCs like the LTC2378-20.
Can the VOCM pin of LTC6363IMS8-0.5#TRPBF be left floating?
No, the VOCM pin must not be left floating. It can be either driven externally to set output common-mode voltage or allowed to self-bias (e.g., to 1.5 V at 3 V supply). Floating VOCM causes undefined output common-mode behavior and violates Absolute Maximum Ratings - always connect via resistor or voltage source per datasheet Figure 1.
How does LTC6363IMS8-0.5#TRPBF achieve low noise despite integrated resistors?
The LTC6363IMS8-0.5#TRPBF achieves 15.1 nV/√Hz input-referred noise at 100 kHz by optimizing thin-film resistor geometry and layout to minimize thermal noise contribution, while maintaining laser trimming for gain accuracy. This value includes both amplifier and integrated resistor noise - verified in production test across temperature.
LTC6363IMS8-0.5#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Amplifier Type:
- Differential
- Number of Circuits:
- 1
- Output Type:
- Differential, Rail-to-Rail
- Slew Rate:
- 75V/µs
- Gain Bandwidth Product:
- 500 MHz
- -3db Bandwidth:
- 35 MHz
- Current - Input Bias:
- 100 nA
- Voltage - Input Offset:
- 25 µV
- Current - Supply:
- 1.9mA
- Current - Output / Channel:
- 55 mA
- Voltage - Supply Span (Min):
- 2.8 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LTC6363IMS8-0.5#TRPBF FAQ
1.How can I place an order for LTC6363IMS8-0.5#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6363IMS8-0.5#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 LTC6363IMS8-0.5#TRPBF reliable?
The price and inventory of LTC6363IMS8-0.5#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6363IMS8-0.5#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6363IMS8-0.5#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6363IMS8-0.5#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6363IMS8-0.5#TRPBF?
LTC6363IMS8-0.5#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6363IMS8-0.5#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 LTC6363IMS8-0.5#TRPBF?
For technical support, including LTC6363IMS8-0.5#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6363IMS8-0.5#TRPBF requirements.
6.How does Aetrix verify that LTC6363IMS8-0.5#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6363IMS8-0.5#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 LTC6363IMS8-0.5#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6363IMS8-0.5#TRPBF?
All LTC6363IMS8-0.5#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6363IMS8-0.5#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 LTC6363IMS8-0.5#TRPBF part is unused and in its original packaging.
Return procedure for LTC6363IMS8-0.5#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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