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Analog Devices Inc. LTC6363IMS8-2#PBF
- Part No.:
- LTC6363IMS8-2#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6363IMS8-2#PBF.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:314
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Product details
Overview
LTC6363IMS8-2#PBF from Analog Devices is a precision, low-power, fixed-gain (2V/V) differential amplifier optimized for driving high-resolution SAR ADCs such as the LTC2378-20. It features laser-trimmed on-chip resistors for 45ppm max gain error, 94dB min CMRR, and rail-to-rail differential outputs with 2.9nV/√Hz input-referred noise. Its 35MHz –3dB bandwidth and 720ns settling to 18-bit accuracy support 20-bit, 1Msps data acquisition systems in battery-powered instrumentation.
For engineers reviewing the LTC6363IMS8-2#PBF datasheet, LTC6363IMS8-2#PBF pinout, LTC6363IMS8-2#PBF application, or LTC6363IMS8-2#PBF equivalent, key selection criteria include guaranteed 2V/V fixed gain accuracy, input common mode range extending to ground, shutdown current of 70µA at 10V supply, and MS8 package compatibility with space-constrained PCB layouts.
Technical Context
The LTC6363IMS8-2#PBF integrates precision-matched thin-film resistors to realize a stable 2V/V differential gain block without external components. Its internal feedback architecture maintains ultralow gain drift (±0.5ppm/°C) and supports DC-coupled single-ended-to-differential conversion with VOCM pin control of output common-mode level.
Designed specifically for SAR ADC interfaces, it delivers fast settling (830ns to 18-bit), low distortion (–116dBc HD2 at 1kHz), and full-power bandwidth of 0.8MHz at 18VP-P output - enabling accurate digitization of wide-dynamic-range sensor signals without external gain staging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | Fixed 2V/V with ±0.0075% max gain error over temperature - eliminates resistor matching uncertainty in precision gain stages. |
| Input Noise Density | 7.55nV/√Hz at 100kHz - enables high-SNR signal conditioning before 20-bit ADCs without degrading ENOB. |
| Supply Current | 2mA max at 10V supply - supports low-power operation in portable and energy-constrained systems. |
| CMRR | ≥94dB min - rejects common-mode interference from noisy industrial or mixed-signal environments. |
| Settling Time | 830ns to 4ppm (18-bit) - meets timing budgets for 1Msps SAR ADC sampling with margin. |
| Input Common Mode Range | Includes ground (e.g., –2.5V to 4.45V at VS = 5V) - accepts ground-referenced transducer outputs directly. |
| Shutdown Current | 70µA max at 10V - reduces system standby power without disabling bias networks. |
Pinout & Package
Package: 8-Lead Plastic MSOP (MS8), 3mm × 3mm footprint, exposed pad connected to V– per datasheet requirement.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (–IN) | Inverting input | Differential input node; accepts single-ended or differential source with VICM down to ground. |
| 2 (VOCM) | Output common-mode control | Sets (V+OUT + V–OUT)/2; self-biases to ~2.5V at 5V supply if left open. |
| 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 (e.g., 0.17V to 4.73V at 5V, IL = ±5mA); drives ADC's differential input directly. |
| 5 (+IN) | Non-inverting input | Differential input node; matched impedance and CMRR performance with Pin 1. |
| 6 (SHDN) | Shutdown enable | Logic-controlled sleep mode; VIH ≥ (V+ + V–)/2 + 1.2V disables amplifier with 2µs turn-off. |
| 7 (V–) | Negative supply | Reference for exposed pad; must be connected to V– for thermal and electrical integrity. |
| 8 (–OUT) | Negative differential output | Complementary to Pin 4; forms fully differential output pair with matched slew rate (46V/µs). |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed 2V/V gain resistors | 45ppm max gain error and 0.5ppm/°C drift - removes calibration burden in production test. |
| DC-coupled input stage | Input common mode includes ground across all supply voltages - eliminates AC coupling capacitors for sensor front-ends. |
| Low-distortion differential output | –116dBc HD2 at 1kHz, 10VP-P - preserves signal fidelity for high-dynamic-range measurements. |
| Integrated shutdown control | 20µA shutdown current at 3V supply - enables microcontroller-gated power management in portable devices. |
| Thermally enhanced MS8 package | θJA = 273°C/W with exposed pad tied to V– - sustains 2mA operation at 85°C ambient without derating. |
Applications
| High-Resolution Data Acquisition | Battery-Powered Instrumentation |
|---|---|
|
Use Scenario: Digitizing low-level sensor outputs (e.g., strain gauges, RTDs) into 20-bit SAR ADCs like LTC2378-20 at 1Msps. IC Role / Device Role / Timing Role: Precision single-ended-to-differential converter and ADC driver with DC coupling and gain stability. Use Value: Eliminates external gain resistors and trimming, reducing BOM count while maintaining 4ppm gain accuracy over temperature. |
Use Scenario: Portable multimeters or handheld analyzers requiring long battery life and high measurement accuracy. IC Role / Device Role / Timing Role: Low-power analog front-end amplifier with shutdown control synchronized to measurement cycles. Use Value: 2mA active current and 70µA shutdown current at 10V extend runtime; rail-to-rail output maximizes ADC dynamic range. |
| Industrial Process Monitoring | Medical Sensor Interfaces |
|
Use Scenario: Isolated analog inputs in PLC modules where EMI immunity and DC accuracy are critical. IC Role / Device Role / Timing Role: Differential driver rejecting common-mode noise on long sensor cables before isolation amplifiers or ADCs. Use Value: 94dB CMRR and 78dB min input CMRRI suppress 50/60Hz interference and switching noise in factory environments. |
Use Scenario: Biopotential signal conditioning (ECG, EEG) feeding high-resolution ADCs in diagnostic equipment. IC Role / Device Role / Timing Role: Low-noise, low-distortion front-end amplifier with gain set precisely to match ADC input range. Use Value: 7.55nV/√Hz input noise and <100µV offset ensure sub-µV signal integrity without compromising resolution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8476ARMZ | Unity-gain fixed configuration; 10MHz bandwidth; higher 3.9nV/√Hz noise; no shutdown pin. | Best suited for lower-frequency, unity-gain buffering; lacks programmable gain and power gating. | Select when gain = 1V/V suffices and shutdown functionality is unnecessary. |
| LTC6363IMS8-1#PBF | Identical package and pinout; fixed 1V/V gain; 35MHz bandwidth; 10.5nV/√Hz noise. | Used where unity-gain signal pass-through or level-shifting is required without amplification. | Choose for direct interface to ADCs with full-scale input ranges matching source signal amplitude. |
Compared with AD8476ARMZ and LTC6363IMS8-1#PBF, the LTC6363IMS8-2#PBF provides higher gain (2V/V) with lower noise (7.55nV/√Hz) and integrated shutdown - making it optimal for amplifying low-amplitude sensor signals prior to 20-bit SAR conversion while minimizing power and board area.
Availability
LTC6363IMS8-2#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 2V/V gain accuracy across temperature.
Supply support for LTC6363IMS8-2#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 control applications.
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 ease of integration in compact, low-power systems.
FAQ
What is the guaranteed gain accuracy of the LTC6363IMS8-2#PBF over temperature?
The LTC6363IMS8-2#PBF guarantees ±0.0075% differential gain error over its full operating temperature range (–40°C to 85°C), enabled by laser-trimmed on-chip resistors. This corresponds to 45ppm max error, with drift limited to ±0.5ppm/°C - ensuring stable scaling in precision measurement systems without recalibration.
Can the LTC6363IMS8-2#PBF drive the LTC2378-20 20-bit SAR ADC directly?
Yes, the LTC6363IMS8-2#PBF is explicitly characterized driving the LTC2378-20 in the datasheet, delivering 102dB SNR and 101.8dB SINAD at 1Msps. Its 35MHz bandwidth, 830ns 18-bit settling time, and rail-to-rail differential outputs match the ADC's input requirements without external components.
What is the input common mode voltage range for the LTC6363IMS8-2#PBF at 5V supply?
At VS = 5V (V+ = 5V, V– = 0V), the LTC6363IMS8-2#PBF supports an input common mode range of –1.25V to 4.45V - fully including ground. This allows direct connection of ground-referenced sensors (e.g., bridge transducers) without level-shifting circuitry.
Does the LTC6363IMS8-2#PBF require external resistors to set gain?
No. The LTC6363IMS8-2#PBF integrates precision-matched thin-film resistors to deliver a fixed 2V/V differential gain. Unlike the base LTC6363, it requires no external gain-setting resistors - simplifying layout, reducing component count, and eliminating resistor tolerance and thermal drift effects.
How does the shutdown feature of the LTC6363IMS8-2#PBF operate?
The LTC6363IMS8-2#PBF enters low-power shutdown when the SHDN pin voltage falls below (V+ + V–)/2 + 0.4V. In shutdown, supply current drops to 70µA max at 10V supply, with 2µs turn-off and 4µs turn-on times. The VOCM pin retains its last-set voltage during shutdown, preserving output common-mode state.
LTC6363IMS8-2#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
LTC6363IMS8-2#PBF FAQ
1.How can I place an order for LTC6363IMS8-2#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6363IMS8-2#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 LTC6363IMS8-2#PBF reliable?
The price and inventory of LTC6363IMS8-2#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6363IMS8-2#PBF is usually 5 days.
3.What payment methods are accepted for LTC6363IMS8-2#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6363IMS8-2#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6363IMS8-2#PBF?
LTC6363IMS8-2#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6363IMS8-2#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 LTC6363IMS8-2#PBF?
For technical support, including LTC6363IMS8-2#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6363IMS8-2#PBF requirements.
6.How does Aetrix verify that LTC6363IMS8-2#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6363IMS8-2#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 LTC6363IMS8-2#PBF meets industry standards.
7.What is the process for return or replacement of LTC6363IMS8-2#PBF?
All LTC6363IMS8-2#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6363IMS8-2#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 LTC6363IMS8-2#PBF part is unused and in its original packaging.
Return procedure for LTC6363IMS8-2#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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