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Analog Devices Inc. LTC1992-10HMS8#PBF
- Part No.:
- LTC1992-10HMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC1992-10HMS8#PBF.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,556
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Product details
Overview
LTC1992-10HMS8#PBF from Analog Devices (formerly Linear Technology) is a fixed-gain, fully differential amplifier with precise 10× differential gain, rail-to-rail input/output operation, and independent VOCM-controlled output common-mode voltage. It operates from 2.7V single supply to ±5V dual supply, delivers ±10mA output current, and maintains ±0.1% gain error over –40°C to 125°C. It is used in high-fidelity analog front-ends for data acquisition systems requiring accurate single-ended-to-differential conversion.
For engineers reviewing the LTC1992-10HMS8#PBF datasheet, LTC1992-10HMS8#PBF pinout, LTC1992-10HMS8#PBF application, or LTC1992-10HMS8#PBF equivalent, key selection criteria include guaranteed 10× gain accuracy across temperature, 125°C extended operating range, MSOP-8 package compatibility, and VOCM-driven level-shifting capability for ADC driver stages.
Technical Context
The LTC1992-10HMS8#PBF implements a fully differential architecture with on-chip precision thin-film resistors that fix the differential gain at exactly 10 V/V. Its internal common-mode feedback loop ensures balanced +OUT/–OUT phase response and suppresses second-order harmonics-critical for multichannel synchronization.
It features separate VOCM and VMID pins: VOCM sets output common-mode voltage independently of input common-mode range, while VMID provides a stable mid-supply reference for biasing. Input common-mode range extends from (–VS – 0.1V) to (+VS – 1.3V), supporting rail-to-rail operation under all supply configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Fixed Differential Gain | 10 V/V, trimmed on-chip for ±0.1% max error over –40°C to 125°C |
| Supply Range | 2.7V to 11V single supply or ±2.7V to ±5V dual supply-supports low-voltage portable and industrial rails |
| Output Current | ±10mA min sourcing/sinking-drives 50Ω loads or ADC inputs directly without external buffers |
| Input Offset Voltage | ±2.5mV max (input-referred)-enables DC-coupled precision signal conditioning |
| Gain Tempco | 3.5ppm/°C-ensures stable gain calibration over wide thermal environments |
| Capacitive Load Stability | Stable up to 10,000pF-eliminates need for isolation resistors when driving long traces or ADC input capacitance |
| Operating Temperature | –40°C to +125°C (H-grade)-qualified for under-hood automotive and industrial control applications |
Pinout & Package
Package: 8-lead plastic MSOP (3mm × 3mm, 0.65mm pitch), thermally enhanced for high ambient operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (–IN) | Inverting differential input | Accepts negative half of fully differential input signal; rail-to-rail common-mode range |
| 2 (VOCM) | Output common-mode control | Sets (+OUT + –OUT)/2 voltage independently-enables level shifting between domains |
| 3 (+VS) | Positive supply | Supports 2.7V to 11V single or positive rail of dual supply; decoupling required |
| 4 (+OUT) | Positive differential output | Delivers amplified, phase-matched output; rail-to-rail swing with ±10mA drive |
| 5 (+IN) | Non-inverting differential input | Accepts positive half of fully differential input; matched impedance to Pin 1 |
| 6 (VMID) | Internal mid-supply reference | Provides stable 2.5V (typ.) reference for biasing; not user-adjustable |
| 7 (–VS) | Negative supply | Ground for single supply or negative rail for dual supply; must be connected |
| 8 (–OUT) | Negative differential output | Complementary to Pin 4; matched slew rate and delay for balanced signaling |
Key Features
| Feature | Design Value |
|---|---|
| Fully differential architecture | Eliminates even-order distortion and enables rejection of common-mode noise in mixed-signal systems |
| On-chip precision gain resistors | Guarantees 10× gain accuracy without external components-reduces BOM count and layout sensitivity |
| VOCM-controlled output common mode | Decouples output level setting from input stage-simplifies interfacing to ADCs with fixed input ranges |
| Rail-to-rail I/O with 10mA drive | Directly drives SAR and sigma-delta ADC inputs without external buffers-reduces power and board area |
| 10,000pF capacitive load stability | Operates reliably into full ADC input capacitance plus PCB trace capacitance-no stability compensation needed |
Applications
| High-Speed Data Acquisition | Automotive Sensor Signal Conditioning |
|---|---|
Use Scenario: Driving 16-bit+ SAR ADCs in portable test equipment with single 3.3V supply and ±2V input range. IC Role / Device Role / Timing Role: Single-ended-to-differential converter and gain stage, translating sensor outputs to matched differential signals aligned with ADC's common-mode window. Use Value: Achieves <0.01% gain drift over temperature using on-chip 10× resistors-enabling factory calibration without recalibration in field use. | Use Scenario: Amplifying low-level bridge sensor outputs (e.g., pressure, position) in engine control units exposed to –40°C to 125°C ambient. IC Role / Device Role / Timing Role: Precision differential driver with VOCM set to 1.65V, matching 3.3V ADC input range while rejecting EMI-induced common-mode noise. Use Value: H-grade qualification and ±0.1% gain error ensure measurement integrity across full automotive temperature range without derating. |
| Industrial Process Control Transmitters | Medical Instrumentation Front-Ends |
Use Scenario: Isolating and amplifying 4–20mA loop sensor signals in PLC analog input modules with 24V supply. IC Role / Device Role / Timing Role: Level-shifting differential driver converting isolated current-loop voltage to ADC-compatible differential signal with programmable VOCM. Use Value: VOCM pin allows dynamic adjustment of output common mode to match varying ADC reference voltages-supporting multi-range input modules. | Use Scenario: Driving high-resolution delta-sigma ADCs in portable ECG monitors powered by 3.7V Li-ion battery. IC Role / Device Role / Timing Role: Low-noise, low-power differential amplifier providing 10× gain and rail-to-rail output swing into 10kΩ + 100pF ADC input. Use Value: 1mA max supply current and 10,000pF load stability enable direct connection-reducing power consumption and eliminating external compensation networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8138ARZ | Unity-gain stable, adjustable gain via external resistors; higher 350MHz GBW but no integrated 10× resistor network | Requires external precision resistors to achieve 10× gain-adds tolerance stack-up and layout sensitivity | Select AD8138ARZ only if variable gain or higher bandwidth (>100MHz) is required; LTC1992-10HMS8#PBF preferred for fixed-gain precision |
| THS4561IRGET | 10× fixed gain variant available (THS4561IRGET-10); lower 125°C max temp rating (105°C), higher 2.5mA supply current | Not qualified for extended temperature operation-unsuitable for under-hood or high-ambient industrial use | Choose THS4561IRGET-10 only for cost-sensitive consumer applications below 105°C; LTC1992-10HMS8#PBF remains optimal for ruggedized designs |
Compared with AD8138ARZ and THS4561IRGET-10, the LTC1992-10HMS8#PBF uniquely combines factory-trimmed 10× gain, 125°C operation, and 10,000pF load stability in an MSOP-8 package-making it the only option that guarantees both precision and robustness without external components or thermal derating.
Availability
LTC1992-10HMS8#PBF is available at Aetrix Electronics and suitable for high-reliability industrial automation, automotive sensor interfaces, and medical instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC1992-10HMS8#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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The LTC1992 family was designed by Linear Technology (acquired by ADI in 2017) specifically for precision differential signal conditioning in data acquisition systems-emphasizing gain accuracy, common-mode flexibility, and robustness across extreme temperatures.
FAQ
What is the maximum operating temperature specification for the LTC1992-10HMS8#PBF?
The LTC1992-10HMS8#PBF is rated for continuous operation from –40°C to +125°C, meeting the extended temperature grade (H-grade) specification defined in the official Linear Technology datasheet. This makes it suitable for under-hood automotive, industrial control, and outdoor infrastructure applications where ambient temperatures exceed standard commercial or industrial ranges.
Does the LTC1992-10HMS8#PBF require external gain-setting resistors?
No, the LTC1992-10HMS8#PBF does not require external gain-setting resistors. It integrates precision thin-film resistors that fix the differential gain at exactly 10 V/V, with ±0.1% maximum gain error over temperature. This eliminates component count, layout sensitivity, and tolerance stack-up associated with discrete resistor networks.
Can the LTC1992-10HMS8#PBF drive a typical 16-bit SAR ADC input directly?
Yes, the LTC1992-10HMS8#PBF can drive a typical 16-bit SAR ADC input directly. Its rail-to-rail output swing, ±10mA output current capability, and guaranteed stability into 10,000pF capacitive loads allow it to interface seamlessly with ADC inputs including parasitic trace capacitance-without requiring external isolation resistors or buffer amplifiers.
What is the function of the VMID pin on the LTC1992-10HMS8#PBF?
On the LTC1992-10HMS8#PBF, the VMID pin provides an internally generated, temperature-stable mid-supply reference voltage (~2.5V at 25°C, ranging 2.43V to 2.57V over temperature). It is intended for biasing external circuitry and is not user-adjustable; it must not be loaded beyond 1μA to maintain accuracy.
How does the VOCM pin improve system design flexibility in the LTC1992-10HMS8#PBF?
The VOCM pin on the LTC1992-10HMS8#PBF allows independent setting of the output common-mode voltage ((+OUT + –OUT)/2) regardless of input common-mode level. This enables level shifting between mismatched domains-for example, converting a 0–2.5V single-ended sensor output to a 1.25V-centered differential signal compatible with a 2.5V ADC reference-without additional op-amp stages or resistor dividers.
LTC1992-10HMS8#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:
- Active
- Amplifier Type:
- Differential
- Number of Circuits:
- 1
- Output Type:
- Differential, Rail-to-Rail
- Slew Rate:
- 1.5V/µs
- Gain Bandwidth Product:
- 3.2 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2 pA
- Voltage - Input Offset:
- 250 µV
- Current - Supply:
- 700µA
- Current - Output / Channel:
- 30 mA
- Voltage - Supply Span (Min):
- 2.7 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LTC1992-10HMS8#PBF FAQ
1.How can I place an order for LTC1992-10HMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC1992-10HMS8#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 LTC1992-10HMS8#PBF reliable?
The price and inventory of LTC1992-10HMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC1992-10HMS8#PBF is usually 5 days.
3.What payment methods are accepted for LTC1992-10HMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC1992-10HMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC1992-10HMS8#PBF?
LTC1992-10HMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC1992-10HMS8#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 LTC1992-10HMS8#PBF?
For technical support, including LTC1992-10HMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC1992-10HMS8#PBF requirements.
6.How does Aetrix verify that LTC1992-10HMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LTC1992-10HMS8#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 LTC1992-10HMS8#PBF meets industry standards.
7.What is the process for return or replacement of LTC1992-10HMS8#PBF?
All LTC1992-10HMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC1992-10HMS8#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 LTC1992-10HMS8#PBF part is unused and in its original packaging.
Return procedure for LTC1992-10HMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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