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Analog Devices Inc. LTC6363HMS8-2#PBF
- Part No.:
- LTC6363HMS8-2#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6363HMS8-2#PBF.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:386
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Product details
Overview
LTC6363HMS8-2#PBF from Analog Devices is a precision, low-power, fixed-gain (2V/V) differential amplifier optimized as an ADC driver for 16–20-bit SAR converters. It features rail-to-rail differential outputs, 7.55nV/√Hz input-referred noise (100kHz), 15MHz –3dB bandwidth, ±125µV max differential offset voltage over temperature, and operates from 2.8V to 11V supply. It enables high-fidelity single-ended-to-differential conversion in battery-powered instrumentation and precision data acquisition systems.
For engineers reviewing the LTC6363HMS8-2#PBF datasheet, LTC6363HMS8-2#PBF pinout, LTC6363HMS8-2#PBF application, or LTC6363HMS8-2#PBF equivalent, this page delivers verified specifications, package mapping, thermal performance at 125°C, gain accuracy (±0.0075% error), and real-world settling behavior (830ns to 18-bit with 8VP-P step) - all critical for SAR ADC interface design and low-distortion signal chain validation.
Technical Context
The LTC6363HMS8-2#PBF integrates laser-trimmed on-chip resistors to deliver precise 2V/V differential gain with <±0.0075% gain error and ±0.5ppm/°C drift. Its internal feedback network eliminates external resistor matching requirements while maintaining >94dB CMRR and >90dB PSRR across 2.8V–11V supplies.
Designed specifically for driving SAR ADCs like the LTC2378-20, it supports fast settling (830ns to 4ppm/18-bit), rail-to-rail output swing (e.g., 0.13V to 9.76V at VS=10V), and input common mode range extending to ground - enabling direct interfacing with grounded sensors and level-shifting applications without external biasing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain | Fixed 2V/V - eliminates external resistor selection and matching errors; ensures consistent signal scaling into ADC inputs. |
| –3dB Bandwidth | 15MHz - supports high-speed sampling of signals up to ~7.5MHz Nyquist without attenuation. |
| Input Noise Density | 7.55nV/√Hz at 100kHz - contributes minimal noise to high-resolution (≥18-bit) ADC conversions. |
| Differential Offset Voltage | ±250µV max over –40°C to 125°C - maintains DC accuracy in wide-temperature industrial environments. |
| Supply Current | 2.2mA max at 10V - enables low-power operation in portable and energy-constrained systems. |
| Settling Time | 830ns to 4ppm (18-bit) - meets timing budgets for 1Msps+ SAR ADCs with minimal dead time. |
| Operating Temperature | –40°C to 125°C - qualified for under-hood automotive, industrial control, and harsh-environment monitoring. |
Pinout & Package
Package: 8-Lead MSOP (3mm × 3mm footprint, 0.65mm pitch), thermally enhanced with θJA = 273°C/W. Exposed pad not present in MS8; no thermal pad connection required.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 (–IN) | Inverting Input | Differential input node; accepts single-ended or differential source; common-mode range includes ground. |
| 2 (VOCM) | Output Common-Mode Control | Sets midpoint voltage of differential outputs; externally driven or self-biased (1.5V at 3V supply). |
| 3 (V+) | Positive Supply | Connects to main positive rail (2.8V–11V); powers internal amplifier and output stage. |
| 4 (+OUT) | Positive Differential Output | Delivers amplified, rail-to-rail output referenced to VOCM; drives +IN of SAR ADC. |
| 5 (+IN) | Non-Inverting Input | Differential input node; matched to –IN for balanced signal acquisition and CMRR optimization. |
| 6 (SHDN) | Shutdown Control | Logic-controlled enable/disable; draws only 70µA in shutdown at 10V supply. |
| 7 (V–) | Negative Supply | Connects to ground or negative rail; defines lower supply boundary and output swing limit. |
| 8 (–OUT) | Negative Differential Output | Complementary output to +OUT; completes fully differential drive for ADC's differential input pair. |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed 2V/V gain | ±0.0075% max gain error ensures predictable full-scale mapping into 20-bit ADCs without calibration. |
| Rail-to-rail differential outputs | Swings within 130mV of rails at 10V supply - maximizes dynamic range utilization of ADC reference. |
| Input common mode range includes ground | Accepts 0V-referenced sensors directly - eliminates need for input biasing networks or level shifters. |
| Low distortion at 10VP-P | HD2/HD3 = –116/–123dBc at 1kHz - preserves signal integrity for high-SFDR applications like vibration analysis. |
| 125°C guaranteed operation | Specified performance maintained up to junction temperature of 125°C - suitable for uncooled industrial enclosures. |
Applications
| High-Resolution Data Acquisition | Battery-Powered Instrumentation |
|---|---|
|
Use Scenario: Digitizing low-level sensor outputs (e.g., strain gauges, RTDs) in portable test equipment with 20-bit resolution. IC Role / Device Role / Timing Role: Precision single-ended-to-differential converter and ADC driver; provides gain, common-mode level setting, and fast settling before ADC sampling. Use Value: Enables 102dB SNR and 101.8dB SINAD (measured with LTC2378-20) by minimizing noise, offset drift, and harmonic distortion. |
Use Scenario: Signal conditioning in handheld multimeters or field-deployed environmental monitors powered by Li-ion batteries. IC Role / Device Role / Timing Role: Low-power differential driver that maintains accuracy across battery discharge (2.8V–4.2V) and ambient temperature shifts. Use Value: 2.2mA max supply current at 10V and 70µA shutdown current extend runtime; 125°C rating ensures reliability during extended use. |
| Industrial Process Monitoring | Automotive Sensor Interface |
|
Use Scenario: Isolating and conditioning 4–20mA loop signals or thermocouple outputs in PLC analog input modules. IC Role / Device Role / Timing Role: High-CMRR (≥94dB) differential amplifier rejecting common-mode noise from motor drives and switching power supplies. Use Value: Input common-mode range down to 0V and >90dB PSRR suppress interference from noisy industrial grounds and supply rails. |
Use Scenario: Front-end amplification for pressure, position, or exhaust gas sensors in engine control units (ECUs) operating under hood conditions. IC Role / Device Role / Timing Role: AEC-Q100–compatible signal conditioner delivering stable 2V/V gain and low offset drift across –40°C to 125°C. Use Value: ±0.5ppm/°C gain drift and ±125µV offset ensure calibrated accuracy over full automotive temperature range without recalibration. |
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, 130MHz GBW, higher supply current (10.5mA), no integrated gain resistors. | Requires external gain-setting resistors; better suited for variable-gain or wideband (>50MHz) designs. | Select when bandwidth >35MHz or programmable gain is needed; avoid if fixed 2V/V and low power are mandatory. |
| LTC6363HMS8-1#PBF | Identical package, temperature grade, and architecture but with fixed 1V/V gain and 25MHz –3dB bandwidth. | Used where unity gain buffering or minimal signal attenuation is required before ADC input. | Choose for applications needing 1V/V scaling (e.g., direct reference buffer) or higher bandwidth at same power and thermal profile. |
Compared with ADA4940-1ARZ, the LTC6363HMS8-2#PBF trades bandwidth for precision, power efficiency, and integration - delivering 7.55nV/√Hz noise and 2.2mA consumption versus 3.9nV/√Hz and 10.5mA. Against LTC6363HMS8-1#PBF, it offers doubled gain with only minor bandwidth reduction (15MHz vs 25MHz), simplifying full-scale ADC utilization.
Availability
LTC6363HMS8-2#PBF is available at Aetrix Electronics and suitable for high-resolution data acquisition, battery-powered instrumentation, and industrial process monitoring requiring stable component supply across extended temperature ranges.
Supply support for LTC6363HMS8-2#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, serving precision instrumentation, industrial automation, and communications markets.
The LTC6363 family was designed to solve SAR ADC interface challenges - delivering precision gain, low noise, fast settling, and rail-to-rail output swing in compact packages for space- and power-constrained systems.
FAQ
What is the maximum operating temperature for the LTC6363HMS8-2#PBF?
The LTC6363HMS8-2#PBF is rated for continuous operation from –40°C to 125°C, with full electrical specifications guaranteed across this range. Its θJA of 273°C/W in the MS8 package requires attention to PCB copper area for thermal management at elevated ambient temperatures. The "H" grade designation explicitly confirms this extended temperature qualification.
Does the LTC6363HMS8-2#PBF require external gain-setting resistors?
No - the LTC6363HMS8-2#PBF integrates precision laser-trimmed thin-film resistors to achieve its fixed 2V/V differential gain. This eliminates external resistor matching, layout sensitivity, and drift-related errors. Unlike the base LTC6363, no external feedback network is needed for nominal operation.
How does the VOCM pin function in the LTC6363HMS8-2#PBF?
The VOCM pin sets the common-mode voltage of the differential outputs (+OUT and –OUT). It can be driven externally to any value within the specified range (e.g., 0.5V–9.5V at 10V supply), or left floating to self-bias at ~5V (at 10V supply). This flexibility allows seamless interfacing with ADCs requiring specific input common-mode levels, such as the LTC2378-20.
What is the settling time performance of the LTC6363HMS8-2#PBF for 18-bit accuracy?
The LTC6363HMS8-2#PBF settles to 4ppm (18-bit) in 830ns for an 8VP-P output step, as specified in the Electrical Characteristics table for the LTC6363-2 variant. This performance is validated across the full –40°C to 125°C temperature range and enables reliable use with 1Msps+ SAR ADCs without compromising effective resolution.
Can the LTC6363HMS8-2#PBF drive ADCs with 2.5V reference inputs?
Yes - by setting VOCM to 1.25V (half of 2.5V), the LTC6363HMS8-2#PBF configures its differential outputs to swing symmetrically around 1.25V, matching the common-mode requirement of many 2.5V-reference SAR ADCs. Its rail-to-rail output stage supports this configuration even at low supply voltages (down to 2.8V).
LTC6363HMS8-2#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 ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LTC6363HMS8-2#PBF FAQ
1.How can I place an order for LTC6363HMS8-2#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6363HMS8-2#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 LTC6363HMS8-2#PBF reliable?
The price and inventory of LTC6363HMS8-2#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6363HMS8-2#PBF is usually 5 days.
3.What payment methods are accepted for LTC6363HMS8-2#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6363HMS8-2#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6363HMS8-2#PBF?
LTC6363HMS8-2#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6363HMS8-2#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 LTC6363HMS8-2#PBF?
For technical support, including LTC6363HMS8-2#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6363HMS8-2#PBF requirements.
6.How does Aetrix verify that LTC6363HMS8-2#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6363HMS8-2#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 LTC6363HMS8-2#PBF meets industry standards.
7.What is the process for return or replacement of LTC6363HMS8-2#PBF?
All LTC6363HMS8-2#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6363HMS8-2#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 LTC6363HMS8-2#PBF part is unused and in its original packaging.
Return procedure for LTC6363HMS8-2#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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