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Analog Devices Inc. LTC6363IMS8-1#PBF
- Part No.:
- LTC6363IMS8-1#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6363IMS8-1#PBF.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:192
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Product details
Overview
LTC6363IMS8-1#PBF from Analog Devices is a precision, low-power, fixed-gain (1V/V) fully differential amplifier optimized as an ADC driver for 16–20-bit SAR converters. It delivers 94dB min CMRR, 2.9nV/√Hz input-referred noise, 35MHz –3dB bandwidth, and rail-to-rail differential outputs with input common mode range including ground - enabling high-fidelity single-ended-to-differential conversion in battery-powered instrumentation.
For engineers reviewing the LTC6363IMS8-1#PBF datasheet, LTC6363IMS8-1#PBF pinout, LTC6363IMS8-1#PBF application, or LTC6363IMS8-1#PBF equivalent, key selection criteria include its 1V/V fixed gain accuracy (±0.0045% max error), 740ns 18-bit settling time, ±125µV max differential offset voltage over temperature, and MS8 package compatibility with space-constrained signal chains requiring ultralow distortion and stable gain.
Technical Context
The LTC6363IMS8-1#PBF integrates laser-trimmed on-chip resistors to achieve precise 1V/V differential gain with <±0.0045% error and 0.5ppm/°C gain drift. Its architecture supports DC-coupled operation with VOCM pin control of output common-mode level, enabling seamless interfacing to SAR ADCs like the LTC2378-20.
It features dual rail-to-rail output stages, internal feedback topology eliminating external gain-setting resistors, and shutdown mode drawing only 30µA at 5V supply. Input common mode range extends from 0V to 5.1V at VS = 5V, and CMRR exceeds 94dB across temperature - critical for rejecting noise in precision measurement front-ends.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | Fixed 1V/V with ±0.0045% max error - eliminates external resistor matching errors and PCB layout sensitivity. |
| Input-Referred Noise | 10.5nV/√Hz at 100kHz - enables >101dB SINAD when driving 20-bit SAR ADCs at full scale. |
| Settling Time | 740ns to 4ppm (18-bit) - supports 1Msps sampling without acquisition-time penalty. |
| CMRR | Min 94dB - rejects common-mode interference in noisy industrial sensor interfaces. |
| Supply Current | 1.85mA max at 5V active, 30µA in shutdown - extends battery life in portable data loggers. |
| Input Offset Voltage | ±125µV max over –40°C to 85°C - reduces calibration burden in unattended field instruments. |
| Bandwidth | 35MHz –3dB - accommodates wideband sensor signals up to ~10MHz without gain peaking. |
Pinout & Package
Package: 8-Lead Plastic MSOP (MS8), 3mm × 3mm footprint, exposed pad connected to V–.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (–IN) | Inverting input | Differential input node; accepts ground-referenced or biased single-ended signals. |
| 2 (VOCM) | Output common-mode control | Sets (V+OUT + V–OUT)/2; externally driven or self-biased to 2.5V at 5V supply. |
| 3 (V+) | Positive supply | Accepts 2.8V to 11V; PSRR >90dB ensures immunity to supply ripple. |
| 4 (+OUT) | Positive differential output | Rail-to-rail swing; drives ADC's positive input directly with matched impedance. |
| 5 (+IN) | Non-inverting input | Differential input node; paired with Pin 1 for balanced signal conditioning. |
| 6 (SHDN) | Shutdown enable | Logic-high (>V+/2 + 1.2V) disables amplifier; draws 30µA at 5V. |
| 7 (V–) | Negative supply | Ground or negative rail; exposed pad must be connected to this pin for thermal performance. |
| 8 (–OUT) | Negative differential output | Complementary to Pin 4; enables true differential signaling to ADC inputs. |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed 1V/V gain | ±0.0045% max gain error and 0.5ppm/°C drift - eliminates system-level gain calibration. |
| DC-coupled input stage | Input common mode includes ground (0V) at 3V–10V supplies - simplifies sensor interface without AC coupling. |
| Low distortion | –122dBc HD2 / –125dBc HD3 at 1kHz, 10VP-P - preserves SFDR >118dB for high-resolution spectral analysis. |
| Rail-to-rail differential outputs | Swings within 190mV of rails at 5mA load - maximizes dynamic range into 18-bit SAR ADCs. |
| Shutdown mode | 30µA supply current at 5V - enables power cycling in intermittent-sampling applications. |
Applications
| High-Resolution Data Acquisition | Battery-Powered Instrumentation |
|---|---|
|
Use Scenario: Digitizing low-level sensor outputs (e.g., strain gauges, RTDs) in portable multimeters or environmental monitors. IC Role / Device Role / Timing Role: Precision single-ended-to-differential converter and ADC driver for 20-bit SAR converters like LTC2378-20. Use Value: 10.5nV/√Hz noise and ±125µV offset enable <102dB SNR without post-processing, extending usable resolution in 18-bit systems. |
Use Scenario: Signal conditioning in handheld gas analyzers or portable medical ECG front-ends with strict power budgets. IC Role / Device Role / Timing Role: Low-power, rail-to-rail differential driver enabling direct interface to SAR ADCs during brief active cycles. Use Value: 1.85mA active current and 30µA shutdown current allow >100-hour battery life in devices sampling at 1ksps with 1% duty cycle. |
| Industrial Process Monitoring | Test & Measurement Equipment |
|
Use Scenario: Isolated analog input modules in PLCs acquiring 4–20mA loop signals with high CMRR requirements. IC Role / Device Role / Timing Role: Differential driver rejecting ground-loop noise while maintaining gain accuracy across –40°C to 85°C. Use Value: 94dB min CMRR and 0.5ppm/°C gain drift ensure <0.005% total error over full industrial temperature range. |
Use Scenario: Front-end amplification in benchtop oscilloscopes or spectrum analyzers requiring wideband linearity. IC Role / Device Role / Timing Role: Wideband (35MHz), low-distortion driver for high-speed SAR ADCs capturing transient waveforms. Use Value: 740ns 18-bit settling and –122dBc HD2 support clean digitization of multi-MHz signals without aperture jitter penalties. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4940-1ACPZ-R7 | Lower noise (1.9nV/√Hz), but requires external gain resistors and has no shutdown pin. | Best for ultra-low-noise, fixed-layout designs where board area allows discrete resistor placement. | Select ADA4940-1 if noise dominates budget and gain flexibility is needed; LTC6363IMS8-1#PBF preferred for production simplicity and power gating. |
| THS4561IRGET | Higher supply current (4.5mA), wider bandwidth (1.5GHz), but 12-bit typical ENOB due to higher distortion. | Suitable for high-speed (>10Msps) applications where resolution ≤14 bits is acceptable. | Choose THS4561 for speed-critical systems; LTC6363IMS8-1#PBF is optimal when 18–20-bit accuracy, low power, and integrated gain are mandatory. |
Compared with ADA4940-1ACPZ-R7 and THS4561IRGET, the LTC6363IMS8-1#PBF uniquely combines factory-trimmed 1V/V gain, sub-200µV offset over temperature, and micropower shutdown - making it the only choice for calibrated, battery-operated, high-resolution data loggers requiring zero-resistor BOMs and guaranteed gain stability.
Availability
LTC6363IMS8-1#PBF 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 long-term availability.
Supply support for LTC6363IMS8-1#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. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors for precision measurement and signal chain applications.
The LTC6363 family was designed specifically as low-power, precision differential ADC drivers for 16–20-bit SAR converters - emphasizing gain accuracy, low noise, and seamless integration with Linear Technology's (now ADI) high-resolution ADC portfolio.
FAQ
What is the maximum supply voltage for the LTC6363IMS8-1#PBF?
The LTC6363IMS8-1#PBF supports a total supply voltage (V+ – V–) up to 12V, with recommended operating range from 2.8V to 11V. Absolute maximum ratings specify that exceeding 12V may cause permanent damage, and operation above 11V voids guaranteed performance per the datasheet.
Does the LTC6363IMS8-1#PBF require external gain-setting resistors?
No. The LTC6363IMS8-1#PBF integrates precision laser-trimmed on-chip resistors to deliver a fixed 1V/V differential gain. This eliminates external resistor matching, layout sensitivity, and thermal drift - distinguishing it from the base LTC6363 variant which requires four external resistors.
What is the input common mode voltage range of the LTC6363IMS8-1#PBF at 5V supply?
At VS = 5V (V+ = 5V, V– = 0V), the LTC6363IMS8-1#PBF supports an input common mode range from –2.5V to +5.1V. This includes ground (0V) and enables direct interfacing to ground-referenced sensors without level-shifting circuitry.
How does the VOCM pin function in the LTC6363IMS8-1#PBF?
The VOCM pin sets the output common-mode voltage (V+OUT + V–OUT)/2. When left unconnected, it self-biases to ~2.5V at 5V supply. It can also be driven externally to match the ADC's reference midpoint - ensuring optimal headroom and minimizing clipping in differential ADC inputs.
Is the LTC6363IMS8-1#PBF pin-compatible with other variants in the LTC6363 family?
Yes. All LTC6363 variants - including LTC6363IMS8-0.5#PBF, LTC6363IMS8-1#PBF, and LTC6363IMS8-2#PBF - share identical 8-lead MSOP pinouts and footprints. Gain configuration is determined solely by internal resistor networks, allowing drop-in replacement across gain options without PCB changes.
LTC6363IMS8-1#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- 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
LTC6363IMS8-1#PBF FAQ
1.How can I place an order for LTC6363IMS8-1#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6363IMS8-1#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 LTC6363IMS8-1#PBF reliable?
The price and inventory of LTC6363IMS8-1#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6363IMS8-1#PBF is usually 5 days.
3.What payment methods are accepted for LTC6363IMS8-1#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6363IMS8-1#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6363IMS8-1#PBF?
LTC6363IMS8-1#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6363IMS8-1#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 LTC6363IMS8-1#PBF?
For technical support, including LTC6363IMS8-1#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6363IMS8-1#PBF requirements.
6.How does Aetrix verify that LTC6363IMS8-1#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6363IMS8-1#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 LTC6363IMS8-1#PBF meets industry standards.
7.What is the process for return or replacement of LTC6363IMS8-1#PBF?
All LTC6363IMS8-1#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6363IMS8-1#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 LTC6363IMS8-1#PBF part is unused and in its original packaging.
Return procedure for LTC6363IMS8-1#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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