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Analog Devices Inc. LTC6362HMS8#PBF
- Part No.:
- LTC6362HMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LTC6362HMS8#PBF.pdf
- Description:
- IC OPAMP DIFF 1 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:115
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Product details
Overview
LTC6362HMS8#PBF from Analog Devices (formerly Linear Technology) is a precision, low-power, fully differential op amp optimized as a SAR ADC driver. It delivers rail-to-rail input/output swing, 200 µV max input-referred offset voltage, 3.9 nV/√Hz input noise, and 550 ns settling to 18-bit (4 ppm) accuracy on an 8 VP-P differential output - enabling high-fidelity signal conditioning in battery-powered instrumentation and industrial data acquisition systems.
For engineers reviewing the LTC6362HMS8#PBF datasheet, LTC6362HMS8#PBF pinout, LTC6362HMS8#PBF application, or LTC6362HMS8#PBF equivalent, key selection criteria include guaranteed –40°C to 125°C operation, 1 mA active supply current, shutdown mode (70 µA), 34 MHz –3 dB bandwidth, and MSOP-8 package compatibility with layout-constrained PCBs.
Technical Context
The LTC6362HMS8#PBF implements a fully differential architecture with independent common-mode feedback via the VOCM pin, enabling precise output common-mode voltage control regardless of input common-mode level. Its internal resistor divider sets VOCM = 2.5 V at 5 V supply when unconnected, and the amplifier supports both single-ended-to-differential and differential-to-differential configurations with gain programmability via external resistors.
It features rail-to-rail input stage with ±10 mA absolute maximum input current protection, back-to-back diode clamping between inputs, and SHDN logic-controlled shutdown with 2 µs turn-on/off timing. The device maintains DC accuracy (260 nA max input bias current, 14 MΩ common-mode input resistance) while delivering 45 V/µs slew rate and 180 MHz gain-bandwidth product for fast transient response in high-resolution sampling systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.8 V to 5.25 V - enables direct interface with 3.3 V and 5 V systems without level-shifting. |
| Active Supply Current | 1.06 mA (typ) at 5 V - supports ultra-low-power operation in portable and energy-constrained designs. |
| Shutdown Current | 70 µA (max) - reduces system standby power by >93% versus active mode. |
| Differential Offset Voltage | 200 µV (max) - ensures ≤0.003% full-scale error in 16-bit systems with 10 VP-P range. |
| Input Noise Density | 3.9 nV/√Hz - contributes <1.2 µVRMS integrated noise over 100 kHz bandwidth, preserving SNR in precision ADC front-ends. |
| –3 dB Bandwidth | 34 MHz - supports accurate digitization of signals up to ~10 MHz fundamental with minimal amplitude loss. |
| Settling Time (18-bit) | 550 ns to 8 VP-P step - meets timing budget for 1.6 Msps SAR ADCs like LTC2379-18. |
| Harmonic Distortion | –116 dBc HD2 at 1 kHz, 8 VP-P - minimizes spectral contamination in dynamic signal analysis applications. |
Pinout & Package
Package: 8-lead MSOP (3 mm × 3 mm), exposed pad connected to V–, rated for –40°C to 125°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (–IN) | Inverting input | Rail-to-rail input stage; accepts signals from V– to V+; protected by back-to-back diodes against >1.4 V differential overvoltage. |
| 2 (VOCM) | Output common-mode reference | Sets VOUTCM = (V+OUT + V–OUT)/2; internally defaults to 2.5 V at 5 V supply; 110–170 kΩ input resistance allows direct connection to ADC reference outputs. |
| 3 (V+) | Positive supply | Accepts 2.8–5.25 V; PSRR >80 dB ensures immunity to supply ripple affecting DC accuracy. |
| 4 (+OUT) | Positive differential output | Rail-to-rail swing; sources/sinks up to 35 mA; requires series resistor (10–100 Ω) if driving >10 pF load to prevent peaking. |
| 5 (–OUT) | Negative differential output | Complementary to +OUT; balanced drive enables even-harmonic cancellation and common-mode noise rejection. |
| 6 / Exposed Pad (V–) | Negative supply & thermal path | Typically 0 V; exposed pad must be soldered to PCB ground plane for thermal management (θJA = 273°C/W). |
| 7 (SHDN) | Shutdown control | Logic-low (≤0.8 V) disables amplifier; draws 70 µA; floating or tied to V+ enables operation; 4 µA sink capability required for reliable shutdown. |
| 8 (+IN) | Noninverting input | Rail-to-rail input stage; matched bias current and impedance to –IN for optimal CMRR performance. |
Key Features
| Feature | Design Value |
|---|---|
| Fully differential architecture | Enables true differential signaling with inherent common-mode noise rejection and even-order harmonic cancellation in ADC interfaces. |
| VOCM pin with internal default | Eliminates need for external common-mode biasing circuitry; simplifies design when driving ADCs with fixed reference voltages. |
| Rail-to-rail I/O with 35 mA drive | Supports direct interface to low-impedance ADC inputs (e.g., LTC2379-18) without external buffers or level shifters. |
| Low 1.06 mA supply current | Extends battery life in portable instrumentation; enables integration into multi-channel systems without thermal derating. |
| Guaranteed operation to 125°C | Validated for harsh environments including automotive under-hood, industrial motor control, and downhole sensing. |
| Input protection with steering diodes | Permits safe operation with ±10 mA input current limits and robust ESD tolerance in noisy industrial settings. |
Applications
| Battery-Powered Instrumentation | Industrial Data Acquisition |
|---|---|
Use Scenario: Portable handheld multimeter acquiring 16-/18-bit voltage measurements from precision shunt resistors and thermocouples. IC Role / Device Role / Timing Role: Single-ended sensor signal conditioner and SAR ADC driver; provides level shifting, noise rejection, and rail-to-rail drive for low-power ADCs. Use Value: 1 mA active current extends battery life >2× vs comparable drivers; 200 µV offset ensures <0.002% measurement error at full scale. | Use Scenario: PLC analog input module digitizing 4–20 mA current loops and RTD bridges in factory automation. IC Role / Device Role / Timing Role: High-accuracy front-end amplifier converting grounded single-ended signals to balanced differential outputs for isolated ADCs. Use Value: 3.9 nV/√Hz noise and 34 MHz bandwidth preserve signal integrity across 0–10 kHz process control bandwidths. |
| Medical Sensor Interfaces | Test & Measurement Equipment |
Use Scenario: ECG front-end amplifying microvolt-level biopotentials in low-noise, low-power wearable monitors. IC Role / Device Role / Timing Role: Precision differential driver isolating sensitive analog paths from digital noise; configured for gain = 1 with VOCM = 1.25 V. Use Value: 260 nA max input bias current prevents DC errors in high-impedance electrode circuits; rail-to-rail output matches ADC input range. | Use Scenario: Benchtop oscilloscope channel amplifier digitizing fast transients with 16-bit resolution and >1 MSPS sampling. IC Role / Device Role / Timing Role: Wideband differential driver for high-speed SAR ADCs; operates in noninverting configuration with 550 ns 18-bit settling. Use Value: 45 V/µs slew rate and –116 dBc HD2 support clean acquisition of 1–10 MHz sine waves without distortion artifacts. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential op amp / ADC driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8138ARMZ | Higher supply current (20.5 mA), wider supply range (±2.5 V to ±5.5 V), no shutdown mode, 350 MHz GBW. | Targeted at high-speed, wideband applications (>50 MSPS); unsuitable for battery-powered systems due to power draw. | Select AD8138ARMZ only when >100 MHz bandwidth and dual-supply operation are required; avoid for low-power designs. |
| THS4561IRGET | Lower noise (2.3 nV/√Hz), higher quiescent current (4.2 mA), no VOCM pin (fixed 2.5 V common-mode), 125°C rating. | Optimized for ultra-low-noise, high-SNR applications; lacks flexible common-mode control needed for diverse ADC references. | Choose THS4561IRGET when noise is primary constraint and VOCM flexibility is not required; verify ADC reference compatibility. |
Compared with AD8138ARMZ and THS4561IRGET, the LTC6362HMS8#PBF uniquely balances ultra-low power (1 mA), precision (200 µV offset), flexible VOCM control, and guaranteed 125°C operation - making it the optimal choice for space- and energy-constrained industrial and portable instrumentation where DC accuracy and thermal robustness are critical.
Availability
LTC6362HMS8#PBF is available at Aetrix Electronics and suitable for battery-powered instrumentation, industrial data acquisition, medical sensor interfaces, and test & measurement equipment requiring stable component supply across extended temperature ranges.
Supply support for LTC6362HMS8#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 LTC6362HMS8#PBF belongs to ADI's precision signal conditioning portfolio, designed specifically for low-power, high-accuracy SAR ADC driving in thermally demanding and energy-sensitive applications.
FAQ
What is the operating temperature range specified for the LTC6362HMS8#PBF?
The LTC6362HMS8#PBF is rated for continuous operation from –40°C to +125°C, with full electrical specifications guaranteed across this range. This H-grade qualification makes it suitable for under-hood automotive, industrial motor drives, and downhole sensing applications where ambient temperatures exceed standard commercial or industrial grades.
Does the LTC6362HMS8#PBF require external components to set the output common-mode voltage?
No - the LTC6362HMS8#PBF includes an internal resistor divider that self-biases the VOCM pin to 2.475 V–2.525 V at 5 V supply when left unconnected. External biasing is optional and only needed when interfacing with ADCs that provide a different common-mode reference (e.g., 1.25 V or 1.8 V), which can be directly driven onto the VOCM pin.
Can the LTC6362HMS8#PBF drive the LTC2379-18 18-bit SAR ADC directly?
Yes - the LTC6362HMS8#PBF is explicitly characterized and recommended for driving the LTC2379-18. Its 550 ns 18-bit settling time, rail-to-rail output swing, and low distortion (–116 dBc HD2) meet the ADC's timing and linearity requirements. Application Note 6362 TA01a shows a validated reference design using 35.7 Ω series resistors and 3.9 nF capacitors.
How does the SHDN pin function on the LTC6362HMS8#PBF?
The SHDN pin on the LTC6362HMS8#PBF disables the amplifier core when pulled to V– (0 V), reducing supply current to 70 µA (max). It remains active when floating or tied to V+. Turn-on and turn-off times are each 2 µs, enabling rapid power cycling in duty-cycled measurement systems without compromising signal integrity.
What is the maximum load capacitance the LTC6362HMS8#PBF can drive without external compensation?
The LTC6362HMS8#PBF can safely drive ≤10 pF per output to ground (or ≤5 pF differentially) without added series resistance. For larger capacitive loads, a 10–100 Ω series resistor must be placed in each output path to dampen peaking and prevent oscillation - a requirement confirmed in the Applications Information section and Figure 20 of the datasheet.
LTC6362HMS8#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:
- 45V/µs
- Gain Bandwidth Product:
- 180 MHz
- -3db Bandwidth:
- 34 MHz
- Current - Input Bias:
- 75 nA
- Voltage - Input Offset:
- 75 µV
- Current - Supply:
- 1mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 2.8 V
- Voltage - Supply Span (Max):
- 5.25 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LTC6362HMS8#PBF FAQ
1.How can I place an order for LTC6362HMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6362HMS8#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 LTC6362HMS8#PBF reliable?
The price and inventory of LTC6362HMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6362HMS8#PBF is usually 5 days.
3.What payment methods are accepted for LTC6362HMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6362HMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6362HMS8#PBF?
LTC6362HMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6362HMS8#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 LTC6362HMS8#PBF?
For technical support, including LTC6362HMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6362HMS8#PBF requirements.
6.How does Aetrix verify that LTC6362HMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LTC6362HMS8#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 LTC6362HMS8#PBF meets industry standards.
7.What is the process for return or replacement of LTC6362HMS8#PBF?
All LTC6362HMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6362HMS8#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 LTC6362HMS8#PBF part is unused and in its original packaging.
Return procedure for LTC6362HMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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