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Analog Devices Inc. LTC6363IMS8-0.5#PBF
- Part No.:
- LTC6363IMS8-0.5#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6363IMS8-0.5#PBF.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:162
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Product details
Overview
LTC6363IMS8-0.5#PBF 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. Its 2.9 nV/√Hz input-referred noise, 720 ns settling to 18-bit accuracy, and ±1.4 V to ±5.5 V supply range make it suitable for battery-powered instrumentation and precision data acquisition systems.
For engineers reviewing the LTC6363IMS8-0.5#PBF datasheet, LTC6363IMS8-0.5#PBF pinout, LTC6363IMS8-0.5#PBF application, or LTC6363IMS8-0.5#PBF equivalent, key selection criteria include its guaranteed 0.5 V/V gain accuracy over temperature, input common mode range extending to ground, shutdown current of 20 µA at 3 V, and MS8 package compatibility with space-constrained PCB layouts.
Technical Context
The LTC6363IMS8-0.5#PBF integrates precision-matched thin-film resistors to form a fully differential amplifier with fixed 0.5 V/V gain, eliminating external resistor matching requirements. Its internal architecture maintains high common-mode rejection (94 dB min) and low differential offset voltage (25–250 µV) across –40°C to +85°C.
It operates from 2.8 V to 11 V total supply, supports single-ended-to-differential conversion with input common mode range including ground, and delivers fast settling (720 ns to 18-bit) with 35 MHz –3dB bandwidth and 500 MHz gain-bandwidth product - enabling accurate sampling of wideband sensor signals into 18- to 20-bit SAR ADCs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | Fixed 0.5 V/V with ±0.0075% max gain error - ensures predictable signal scaling without external resistor tolerance impact. |
| Input-Referred Noise | 2.9 nV/√Hz at 100 kHz - enables high-SNR digitization of low-level sensor outputs. |
| Supply Current | 1.7–1.95 mA at 3 V active; 20 µA in shutdown - supports ultra-low-power operation in portable instrumentation. |
| Settling Time | 720 ns to 4 ppm (18-bit) - meets timing budgets for 1 Msps 20-bit SAR ADCs like LTC2378-20. |
| CMRR | 94 dB minimum - rejects interference from noisy digital supplies or shared ground paths in mixed-signal systems. |
| Input Common Mode Range | Includes ground (e.g., –3 V to +2.4 V at VS = 3 V) - accepts unipolar single-ended sensors directly without level-shifting circuitry. |
| Shutdown Current | 20 µA at 3 V - enables power gating between conversion cycles in duty-cycled measurement systems. |
Pinout & Package
Package: 8-Lead Plastic MSOP (MS8), 3 mm × 3 mm footprint, exposed pad connected to V–.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (–IN) | Inverting input | Differential input node; accepts single-ended or differential source; common mode includes ground. |
| 2 (VOCM) | Output common-mode control | Sets midpoint voltage of differential output pair; self-biases to ~1.5 V at 3 V supply if left open. |
| 3 (V+) | Positive supply | Accepts 2.8 V to 11 V; PSRR > 90 dB minimizes supply ripple coupling to output. |
| 4 (+OUT) | Positive differential output | Rail-to-rail swing; drives one side of SAR ADC's differential input (e.g., LTC2378-20 AIN+). |
| 5 (+IN) | Non-inverting input | Differential input node; matched to Pin 1 for balanced signal integrity and CMRR performance. |
| 6 (SHDN) | Shutdown enable | Logic-controlled sleep mode; < (V+ + V–)/2 + 0.4 V = logic low; > +1.2 V = active. |
| 7 (V–) | Negative supply | Ground or negative rail; exposed pad must be connected to V– for thermal and electrical performance. |
| 8 (–OUT) | Negative differential output | Complementary to Pin 4; completes full differential drive to ADC inputs (e.g., LTC2378-20 AIN–). |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed gain resistors | ±45 ppm max gain error and ±0.5 ppm/°C drift - eliminates calibration for gain-dependent systems. |
| Rail-to-rail differential outputs | Swings within 100 mV of rails at 5 mA load - maximizes ADC dynamic range utilization with ±5 V supplies. |
| Input common mode includes ground | Supports direct connection of 0–V-referenced sensors (e.g., bridge transducers, thermocouples) without biasing networks. |
| Low distortion at high resolution | 118 dB SFDR at 2 kHz, 18 VP-P - preserves ENOB in 18–20-bit data acquisition chains. |
| Fast, precise settling | 720 ns to 18-bit (4 ppm) - enables full throughput of 1 Msps SAR ADCs without dead-time penalties. |
Applications
| High-Resolution Data Acquisition | Battery-Powered Sensor Interface |
|---|---|
|
Use Scenario: Digitizing low-noise analog outputs from strain gauges or precision RTDs in industrial PLC modules. IC Role / Device Role / Timing Role: Single-ended-to-differential converter and ADC driver for 20-bit LTC2378-20, providing gain scaling and common-mode level translation. Use Value: 2.9 nV/√Hz noise and 720 ns settling preserve 102 dB SNR and 1 Msps throughput without oversampling. |
Use Scenario: Signal conditioning for portable gas analyzers using electrochemical sensors with µV-level output. IC Role / Device Role / Timing Role: Low-power differential driver enabling 18-bit SAR conversion during brief wake-up intervals. Use Value: 20 µA shutdown current and 1.7 mA active supply extend battery life while maintaining 16-bit linearity. |
| Medical Instrumentation Front-End | Test & Measurement Level Shifter |
|
Use Scenario: Amplifying ECG electrode signals prior to isolation and digitization in patient monitors. IC Role / Device Role / Timing Role: Precision gain stage with 94 dB CMRR rejecting 50/60 Hz mains interference in unshielded leads. Use Value: Input common mode range including ground allows direct connection to floating biopotential sources. |
Use Scenario: Converting single-ended DAC outputs to differential format for driving high-speed ADCs in automated test equipment. IC Role / Device Role / Timing Role: Fixed-gain level shifter translating 0–2.5 V DAC output to ±1.25 V differential for ADC input compliance. Use Value: Guaranteed 0.5 V/V gain accuracy eliminates post-calibration gain correction in production test fixtures. |
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 0.5 V/V gain, but higher 4.5 nV/√Hz noise and 3.5 mA supply current at 5 V. | Less suitable for battery-powered 18-bit systems due to higher power and noise; better for industrial environments with ample supply headroom. | Select AD8476ARMZ when board-level filtering can compensate for higher noise and thermal budget permits higher quiescent current. |
| LTC6363IMS8-1#PBF | Same family, pin-compatible, but fixed 1 V/V gain - no external gain-setting resistors required, yet doubles output swing for same input. | Used where full-scale ADC input requires unity gain; not interchangeable without redesigning signal chain gain distribution. | Choose LTC6363IMS8-1#PBF only if system gain plan allocates full 1× amplification before the ADC - not a drop-in replacement. |
Compared with AD8476ARMZ, the LTC6363IMS8-0.5#PBF delivers 1.6 nV/√Hz lower noise and 1.5 mA lower supply current at 3 V, directly improving SNR and battery runtime; versus LTC6363IMS8-1#PBF, it provides half the output amplitude for applications requiring attenuation or interfacing to lower-input-range ADCs.
Availability
LTC6363IMS8-0.5#PBF is available at Aetrix Electronics and suitable for high-resolution data acquisition, battery-powered sensor interface, and medical instrumentation requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for LTC6363IMS8-0.5#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 16–20-bit SAR ADCs - emphasizing gain accuracy, low noise, and fast settling without external trimming.
FAQ
What is the guaranteed gain accuracy of the LTC6363IMS8-0.5#PBF over temperature?
The LTC6363IMS8-0.5#PBF guarantees ±45 ppm maximum gain error and ±0.5 ppm/°C maximum gain drift over its –40°C to +85°C operating range. This is achieved via laser-trimmed on-chip resistors, ensuring stable 0.5 V/V scaling without external calibration - critical for unattended, long-duration data logging systems where gain drift would accumulate measurement error.
Can the LTC6363IMS8-0.5#PBF drive the LTC2378-20 20-bit SAR ADC at full 1 Msps rate?
Yes, the LTC6363IMS8-0.5#PBF settles to 18-bit (4 ppm) accuracy in 720 ns, well within the 1 µs acquisition window of the LTC2378-20 at 1 Msps. Its 35 MHz –3dB bandwidth, 500 MHz GBW, and rail-to-rail differential outputs ensure full dynamic range utilization without settling-induced missing codes or harmonic distortion degradation.
Does the LTC6363IMS8-0.5#PBF require external resistors to set gain?
No - the LTC6363IMS8-0.5#PBF integrates precision-matched thin-film resistors to deliver a fixed 0.5 V/V differential gain. Unlike the base LTC6363, it eliminates all external gain-setting components, reducing BOM count, layout area, and matching-related errors - simplifying design for production-critical instrumentation.
What is the input common mode voltage range of the LTC6363IMS8-0.5#PBF at 3 V supply?
At VS = 3 V (V+ = 3 V, V– = 0 V), the LTC6363IMS8-0.5#PBF supports an input common mode range of –3 V to +2.4 V. This includes ground (0 V), enabling direct connection of single-ended, ground-referenced sensors - such as Wheatstone bridges or thermocouples - without external biasing or level-shifting circuitry.
How does the shutdown feature of the LTC6363IMS8-0.5#PBF operate?
The LTC6363IMS8-0.5#PBF enters low-power shutdown when the SHDN pin voltage falls below (V+ + V–)/2 + 0.4 V. In shutdown, supply current drops to 20 µA at 3 V, and outputs enter high-impedance state. Turn-on time is 4 µs, allowing rapid wake-up synchronized with ADC conversion triggers - ideal for duty-cycled portable measurement devices.
LTC6363IMS8-0.5#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
LTC6363IMS8-0.5#PBF FAQ
1.How can I place an order for LTC6363IMS8-0.5#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6363IMS8-0.5#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 LTC6363IMS8-0.5#PBF reliable?
The price and inventory of LTC6363IMS8-0.5#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6363IMS8-0.5#PBF is usually 5 days.
3.What payment methods are accepted for LTC6363IMS8-0.5#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6363IMS8-0.5#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6363IMS8-0.5#PBF?
LTC6363IMS8-0.5#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6363IMS8-0.5#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 LTC6363IMS8-0.5#PBF?
For technical support, including LTC6363IMS8-0.5#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6363IMS8-0.5#PBF requirements.
6.How does Aetrix verify that LTC6363IMS8-0.5#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6363IMS8-0.5#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 LTC6363IMS8-0.5#PBF meets industry standards.
7.What is the process for return or replacement of LTC6363IMS8-0.5#PBF?
All LTC6363IMS8-0.5#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6363IMS8-0.5#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 LTC6363IMS8-0.5#PBF part is unused and in its original packaging.
Return procedure for LTC6363IMS8-0.5#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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