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Analog Devices Inc. LTC6363HMS8-1#PBF
- Part No.:
- LTC6363HMS8-1#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6363HMS8-1#PBF.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:458
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Product details
Overview
LTC6363HMS8-1#PBF from Analog Devices is a precision, low-power, fixed-gain (1V/V) differential amplifier optimized for driving high-resolution SAR ADCs such as the LTC2378-20. It features rail-to-rail differential outputs, 2mA max supply current at 5V, 94dB min CMRR, 100µV max offset voltage, and operates across –40°C to 125°C. Its internal laser-trimmed resistors ensure ±0.0045% gain error and ultrastable performance in battery-powered instrumentation and precision data acquisition.
For engineers reviewing the LTC6363HMS8-1#PBF datasheet, LTC6363HMS8-1#PBF pinout, LTC6363HMS8-1#PBF application, or LTC6363HMS8-1#PBF equivalent, key selection criteria include its 35MHz –3dB bandwidth, 420ns settling time to 18-bit (4ppm), 10.5nV/√Hz input-referred noise (including resistor noise), and MSOP-8 package compatibility with space-constrained industrial sensor front-ends.
Technical Context
The LTC6363HMS8-1#PBF integrates matched thin-film resistors to deliver precise 1V/V differential gain without external components, eliminating gain-setting resistor mismatch errors. Its fully differential architecture accepts ground-referenced single-ended inputs and provides output common-mode control via the VOCM pin, enabling seamless interface to ADC reference voltages.
It employs a high-speed, low-noise amplifier core with 500MHz gain-bandwidth product and 44V/µs slew rate, supporting fast settling for 18-bit accuracy. Shutdown mode reduces quiescent current to 30µA at 5V, making it suitable for power-cycled signal chains in portable test equipment.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | Fixed 1V/V - eliminates external resistor matching errors and PCB layout sensitivity. |
| –3dB Bandwidth | 35MHz - supports high-speed sampling of multi-kHz sensor signals without phase distortion. |
| Input-Referred Noise | 10.5nV/√Hz at 100kHz - includes internal resistor thermal noise; enables >102dB SNR with 20-bit ADCs. |
| Settling Time | 740ns to 18-bit (4ppm) - ensures full accuracy at 1Msps SAR conversion rates. |
| Supply Current | 1.85mA max at 5V active - enables multi-channel designs with sub-10mW per channel power budget. |
| Operating Temp | –40°C to 125°C - qualified for under-hood automotive sensors and industrial PLC analog input modules. |
| CMRR | 94dB min - rejects common-mode interference from noisy motor drives or switching power supplies. |
Pinout & Package
Package: 8-Lead Plastic MSOP (3mm × 3mm footprint, 0.65mm pitch), thermally enhanced with θJA = 273°C/W. Exposed pad not present in MS8 variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (–IN) | Inverting input | Accepts single-ended or differential input; common-mode range extends to ground (0V) at 3V supply. |
| 2 (VOCM) | Output common-mode control | Sets VOUTCM = (V+OUT + V–OUT)/2; must be driven externally or left floating for self-biased operation (~2.5V at 5V supply). |
| 3 (V+) | Positive supply | Supports 2.8V to 11V single-supply or ±1.4V to ±5.5V dual-supply operation. |
| 4 (+OUT) | Positive differential output | Rail-to-rail swing: 0.13V to 4.77V at 5V supply with 5mA load; interfaces directly to ADC's differential input pins. |
| 5 (+IN) | Non-inverting input | High-impedance (1050Ω common-mode, 2100Ω differential) - minimizes loading on preceding signal sources. |
| 6 (SHDN) | Shutdown enable | Logic-high (>VS/2 + 1.2V) disables amplifier; reduces supply current to 30µA at 5V. |
| 7 (V–) | Negative supply | Connect to ground (single-supply) or negative rail; exposed pad not used in MS8 package. |
| 8 (–OUT) | Negative differential output | Complementary to +OUT; maintains balance for optimal CMRR and harmonic rejection. |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed gain resistors | ±0.0045% max gain error and ±0.2ppm/°C drift - ensures stable calibration over temperature without recalibration. |
| Differential rail-to-rail outputs | Swing within 130mV of rails at 5V supply - maximizes dynamic range into 5V-span ADCs like LTC2378-20. |
| Input common-mode range includes ground | 0V to 4.45V at 5V supply - allows direct connection to ground-referenced transducers (e.g., strain gauges, RTDs). |
| Low distortion at full scale | –122dBc HD2 / –125dBc HD3 at 1kHz, 10VP-P - preserves signal integrity for high-fidelity spectral analysis. |
| Fast, controlled shutdown | 2µs turn-off / 4µs turn-on - enables synchronized power gating in multi-channel TDM systems. |
Applications
| High-Resolution Data Acquisition | Battery-Powered Test Equipment |
|---|---|
Use Scenario: Digitizing low-level sensor outputs (e.g., 20-bit pressure transducer) in industrial process controllers. IC Role / Device Role / Timing Role: Differential amplifier and level shifter between grounded sensor and SAR ADC input. Use Value: 10.5nV/√Hz noise and 94dB CMRR preserve ENOB >18.5 bits at 100ksps, reducing post-processing filtering requirements. |
Use Scenario: Portable oscilloscope front-end acquiring µV-level signals with 12+ hour battery life. IC Role / Device Role / Timing Role: Low-power ADC driver enabling duty-cycled signal chain operation. Use Value: 30µA shutdown current and 1.85mA active current allow >100k samples per AA cell, extending field deployment duration. |
| Automotive Sensor Signal Conditioning | Medical Instrumentation Front-End |
Use Scenario: Conditioning thermocouple or MEMS accelerometer outputs in engine control units (ECUs). IC Role / Device Role / Timing Role: Precision gain stage and common-mode translator for ADCs operating at 125°C junction temperature. Use Value: Guaranteed 125°C operation and ±0.0075% max gain error over temperature eliminate derating concerns in under-hood environments. |
Use Scenario: ECG/EEG analog front-end requiring ultra-low noise and DC accuracy for diagnostic-grade waveform fidelity. IC Role / Device Role / Timing Role: Single-ended-to-differential converter with programmable VOCM for ADC reference alignment. Use Value: 100µV max offset and 0.45µV/°C drift minimize baseline wander, enabling accurate ST-segment analysis without hardware recalibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8476ARMZ | Fixed 0.5V/V gain, 10MHz bandwidth, 1.2mA supply current, –40°C to 125°C | Lower bandwidth limits use in >500ksps systems; better suited for lower-frequency, ultra-low-power monitoring. | Select when gain-of-0.5 and sub-1mA quiescent current are prioritized over speed and noise performance. |
| LTC6363HMS8#PBF | User-configurable gain (via external resistors), same package/temp grade, 2.9nV/√Hz noise (lower than -1 version) | Requires four precision resistors and more board area; preferred for variable-gain or multi-range systems. | Choose when system-level flexibility justifies added BOM cost and layout complexity over fixed 1V/V simplicity. |
Compared with AD8476ARMZ and LTC6363HMS8#PBF, the LTC6363HMS8-1#PBF uniquely balances 35MHz bandwidth, 10.5nV/√Hz noise, and zero-resistor 1V/V gain-making it optimal for compact, high-fidelity 1Msps data loggers where layout area and calibration stability are critical.
Availability
LTC6363HMS8-1#PBF is available at Aetrix Electronics and suitable for high-resolution data acquisition, battery-powered test equipment, and automotive sensor signal conditioning requiring stable component supply across extended temperature ranges.
Supply support for LTC6363HMS8-1#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, serving industrial, automotive, communications, and healthcare markets.
The LTC6363 family was designed specifically as low-power, precision differential amplifiers for driving high-speed, high-resolution SAR ADCs-emphasizing gain accuracy, noise performance, and temperature stability in harsh environments.
FAQ
What is the maximum supply voltage for LTC6363HMS8-1#PBF?
The absolute maximum total supply voltage (V+ – V–) for LTC6363HMS8-1#PBF is 12V. The recommended operating supply range is 2.8V to 11V, covering both single-supply (e.g., 3V, 5V) and dual-supply (±1.4V to ±5.5V) configurations. Operation beyond 11V risks permanent damage and invalidates parametric guarantees.
Does LTC6363HMS8-1#PBF require external gain-setting resistors?
No. LTC6363HMS8-1#PBF incorporates internal laser-trimmed matched resistors to provide a precise, fixed 1V/V differential gain. This eliminates the need for external resistors, reduces PCB area, avoids matching-induced gain error, and improves temperature stability compared to discrete resistor networks.
What is the VOCM pin function on LTC6363HMS8-1#PBF?
The VOCM pin on LTC6363HMS8-1#PBF sets the output common-mode voltage (VOUTCM). When driven externally (e.g., to 2.5V), it aligns the differential output midpoint with the ADC's reference voltage. If left unconnected, it self-biases to ~2.5V at 5V supply, simplifying design in fixed-reference systems.
Can LTC6363HMS8-1#PBF drive the LTC2378-20 20-bit SAR ADC?
Yes. LTC6363HMS8-1#PBF is explicitly characterized driving the LTC2378-20 in the datasheet, achieving 102dB SNR and 118.3dB SFDR at 1Msps. Its 35MHz bandwidth, 740ns settling time to 18-bit, and rail-to-rail outputs match the ADC's 5V reference and timing requirements without external compensation.
How does shutdown mode affect performance recovery in LTC6363HMS8-1#PBF?
In shutdown mode, LTC6363HMS8-1#PBF reduces supply current to 30µA at 5V and disables output drivers. Upon exit (SHDN rising edge), it achieves full specification performance in 4µs - fast enough for time-multiplexed channel scanning in multi-sensor systems without introducing acquisition latency or settling artifacts.
LTC6363HMS8-1#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 ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LTC6363HMS8-1#PBF FAQ
1.How can I place an order for LTC6363HMS8-1#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6363HMS8-1#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 LTC6363HMS8-1#PBF reliable?
The price and inventory of LTC6363HMS8-1#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6363HMS8-1#PBF is usually 5 days.
3.What payment methods are accepted for LTC6363HMS8-1#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6363HMS8-1#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6363HMS8-1#PBF?
LTC6363HMS8-1#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6363HMS8-1#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 LTC6363HMS8-1#PBF?
For technical support, including LTC6363HMS8-1#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6363HMS8-1#PBF requirements.
6.How does Aetrix verify that LTC6363HMS8-1#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6363HMS8-1#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 LTC6363HMS8-1#PBF meets industry standards.
7.What is the process for return or replacement of LTC6363HMS8-1#PBF?
All LTC6363HMS8-1#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6363HMS8-1#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 LTC6363HMS8-1#PBF part is unused and in its original packaging.
Return procedure for LTC6363HMS8-1#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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