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Analog Devices Inc. LTC6262HDC#TRMPBF
- Part No.:
- LTC6262HDC#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-WFDFN Exposed Pad
- Datasheet:
-
LTC6262HDC#TRMPBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8DFN
- Quantity:
- Payment:
- Shipping:
Inventory:511
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Product details
Overview
LTC6262HDC#TRMPBF from Analog Devices is a dual, rail-to-rail input/output, low-noise, micropower operational amplifier in an 8-lead 2mm × 2mm DFN package. It delivers 30MHz gain-bandwidth, 7V/µs slew rate, 240µA supply current per amplifier, 400µV max input offset voltage, and drives up to 1nF capacitive loads-ideal for precision signal conditioning in battery-powered instrumentation.
For engineers reviewing the LTC6262HDC#TRMPBF datasheet, LTC6262HDC#TRMPBF pinout, LTC6262HDC#TRMPBF application, or LTC6262HDC#TRMPBF equivalent, key selection criteria include its –40°C to 125°C H-grade temperature range, shutdown capability (10µA max), 1.8V–5.25V supply flexibility, and verified performance driving SAR ADCs like the LTC2362 with 72dB SNR at 250kSps.
Technical Context
The LTC6262HDC#TRMPBF employs a dual-input-stage architecture-PNP pair active near V– and NPN pair active near V+-enabling true rail-to-rail input operation across –0.1V to 5.1V (at 5V supply). Its patented bias current cancellation maintains ≤100nA max input bias current over most of the common-mode range.
Internal compensation ensures unity-gain stability with ≥1nF capacitive loads, while the buffer/output stage uses a common-emitter topology to achieve rail-to-rail output swing (within 100mV of rails at 1mA load) and high capacitive drive strength without external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 30MHz - Enables stable closed-loop operation up to ~2MHz at G = +10 without phase margin degradation. |
| Supply Current per Amplifier | 240µA - Supports >1-year battery life in coin-cell–powered sensors operating at 100Hz sampling. |
| Input Offset Voltage | 400µV max - Ensures <0.1% error in 4V full-scale precision sensor front-ends without trimming. |
| Capacitive Load Drive | 1nF - Directly drives ADC input filters (e.g., 10nF + 100Ω) without oscillation or peaking. |
| Operating Temperature Range | –40°C to 125°C - Qualified for under-hood automotive and industrial control environments. |
| Shutdown Current | 10µA max - Reduces system standby power by >95% versus active mode in duty-cycled measurement systems. |
| Input Voltage Noise Density | 13nV/√Hz at 1kHz - Limits added noise to <1.25µVP-P (0.1–10Hz), critical for µV-level thermocouple amplification. |
Pinout & Package
Package: 8-lead (2mm × 2mm × 0.8mm) plastic DFN with exposed pad connected to V–. Requires soldering exposed pad to PCB ground plane for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUTA) | Amplifier A output | Rail-to-rail output capable of sourcing/sinking ±10mA; connects directly to ADC input or filter network. |
| 2 (–INA) | Inverting input A | Voltage range extends 0.1V beyond rails; accepts differential signals referenced to ground or mid-supply. |
| 3 (+INA) | Non-inverting input A | Matches –INA range; used for unity-gain buffer or non-inverting gain configurations. |
| 4 (V–) | Negative supply / ground reference | Exposed pad (Pin 9) is internally tied to V–; must be soldered to PCB ground for thermal dissipation and noise immunity. |
| 5 (V+) | Positive supply | Accepts 1.8V–5.25V; bypass with 0.1µF ceramic capacitor placed within 2mm of pin. |
| 6 (OUTB) | Amplifier B output | Independent output; enables dual-channel signal conditioning (e.g., I/V + reference buffer) on single die. |
| 7 (–INB) | Inverting input B | Electrically isolated from Channel A; supports fully independent dual-opamp topologies. |
| 8 (+INB) | Non-inverting input B | Enables simultaneous processing of two analog signals with matched DC/AC performance. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Operates with inputs from V– – 0.1V to V+ + 0.1V and outputs within 100mV of rails at 1mA load-enables true ground-sensing and full dynamic range utilization. |
| 1nF capacitive load stability | Eliminates need for isolation resistors or external compensation when driving ADC input capacitance or long PCB traces. |
| Shutdown control (SHDN) | Active-low pin reduces supply current to ≤10µA; output enters high-impedance state-essential for time-multiplexed sensor arrays. |
| Low 1/f noise | 1.25µVP-P (0.1–10Hz) enables stable DC-coupled amplification of slow-varying biosignals or strain gauge outputs. |
| High CMRR & PSRR | 100dB CMRR and 95dB PSRR minimize error from supply ripple and common-mode interference in noisy industrial settings. |
Applications
| Portable ECG Front-End | Automotive Cabin Pressure Sensor |
|---|---|
Use Scenario: Amplifying microvolt-level biopotential signals from dry electrodes with minimal power draw. IC Role / Device Role / Timing Role: Primary signal-conditioning op amp in a 3-opamp instrumentation amplifier configuration, providing gain and drive for 12-bit SAR ADC sampling at 250kSps. Use Value: 13nV/√Hz input noise and 400µV max VOS preserve diagnostic signal fidelity; 240µA per channel extends AA-battery life to >18 months in intermittent-use devices. | Use Scenario: Conditioning output of piezoresistive pressure transducers in HVAC control modules exposed to under-dash temperatures. IC Role / Device Role / Timing Role: Dual-channel buffer and level-shifter converting ratiometric bridge output to 0–3.3V ADC input range while rejecting engine compartment noise. Use Value: –40°C to 125°C H-grade qualification ensures reliability; 100dB CMRR rejects common-mode noise from 12V ignition systems. |
| Solar-Powered Environmental Monitor | Industrial Thermocouple Interface |
Use Scenario: Signal conditioning for multi-sensor nodes powered by 2.5V LiFePO₄ cells with energy harvesting. IC Role / Device Role / Timing Role: Dual op amp implementing low-pass filtering (Channel A) and reference buffering (Channel B) prior to multiplexed ADC conversion. Use Value: 1.8V minimum supply allows direct connection to battery without LDO; shutdown mode cuts quiescent current to 10µA during 59-second sleep intervals. | Use Scenario: Cold-junction compensation and linearization of K-type thermocouple outputs in PLC analog input modules. IC Role / Device Role / Timing Role: Precision amplifier driving low-impedance cold-junction sensor and compensating for Seebeck coefficient nonlinearity via programmable gain. Use Value: 0.4µV/°C VOS drift minimizes temperature-induced calibration drift; rail-to-rail output ensures full 0–5V span utilization across –200°C to +1350°C range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual low-power op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333AIDR | Zero-drift architecture; 0.02µV/°C VOS TC vs. 0.4µV/°C; higher 35µA supply current; no shutdown pin. | Better for ultra-stable DC offsets but less suitable for battery-critical systems requiring shutdown. | Select OPA2333AIDR only if VOS drift dominates error budget and shutdown is unnecessary. |
| AD8602ARMZ | Higher 1mA supply current; 8MHz GBW; no specified 1nF capacitive load drive; –40°C to 125°C rated. | Higher power consumption limits use in energy-constrained designs; lower bandwidth restricts high-speed ADC driver use. | Choose AD8602ARMZ only when legacy design compatibility outweighs micropower and capacitive drive requirements. |
Compared with OPA2333AIDR and AD8602ARMZ, the LTC6262HDC#TRMPBF uniquely balances 240µA supply current, 30MHz GBW, 1nF load drive, and integrated shutdown-making it optimal for portable instrumentation where power, speed, and robustness must coexist.
Availability
LTC6262HDC#TRMPBF is available at Aetrix Electronics and suitable for portable instrumentation, automotive cabin electronics, and solar-powered environmental monitoring requiring stable component supply across extended temperature ranges.
Supply support for LTC6262HDC#TRMPBF 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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.
The LTC6262HDC#TRMPBF belongs to the LTC6261/LTC6262/LTC6263 family-designed specifically for micropower, rail-to-rail, high-precision signal conditioning in space- and energy-constrained applications.
FAQ
What is the maximum capacitive load the LTC6262HDC#TRMPBF can drive without instability?
The LTC6262HDC#TRMPBF is unity-gain stable and characterized to drive up to 1nF capacitive loads without oscillation or peaking, as confirmed in the Capacitive Load Handling plot (Figure 626123 G28) and Applications Information section. This eliminates the need for isolation resistors when interfacing with typical ADC input capacitances (e.g., 10–20pF) plus PCB trace capacitance.
Does the LTC6262HDC#TRMPBF support true ground-sensing input operation?
Yes-the LTC6262HDC#TRMPBF features rail-to-rail inputs that operate from V– – 0.1V to V+ + 0.1V. With V– tied to ground, this allows input signals down to –100mV, enabling accurate amplification of ground-referenced sensors like thermocouples or bridge circuits without level-shifting circuitry.
What is the guaranteed operating temperature range for the LTC6262HDC#TRMPBF?
The LTC6262HDC#TRMPBF is an H-grade device with a guaranteed operating temperature range of –40°C to 125°C, as explicitly stated in the Absolute Maximum Ratings and Specified Temperature Range tables. This qualifies it for under-hood automotive, industrial control, and outdoor environmental applications.
How does the shutdown function behave on the LTC6262HDC#TRMPBF?
The LTC6262HDC#TRMPBF has an active-low SHDN pin (Pin 3 on MSOP-10 variant; not present on DFN package). However, the LTC6262HDC#TRMPBF is the DFN-packaged dual version *without* shutdown-only the MSOP-10 variants (e.g., LTC6262HMS#TRPBF) include SHDN. The LTC6262HDC#TRMPBF operates continuously and draws 240µA per amplifier.
Can the LTC6262HDC#TRMPBF drive the LTC2362 12-bit SAR ADC effectively?
Yes-the LTC6262HDC#TRMPBF is validated as an ADC driver for the LTC2362 in the Typical Application (Figure 626123 TA01b), achieving 72dB SNR and –83.6dB THD at 250kSps. Its 30MHz GBW, low 13nV/√Hz noise, and 1nF load drive ensure clean, distortion-free sampling without external filtering overhead.
LTC6262HDC#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-WFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 7V/µs
- Gain Bandwidth Product:
- 30 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 nA
- Voltage - Input Offset:
- 50 µV
- Current - Supply:
- 245µA (x2 Channels)
- Current - Output / Channel:
- 40 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 5.25 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-DFN (2x2)
LTC6262HDC#TRMPBF FAQ
1.How can I place an order for LTC6262HDC#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6262HDC#TRMPBF 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 LTC6262HDC#TRMPBF reliable?
The price and inventory of LTC6262HDC#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6262HDC#TRMPBF is usually 5 days.
3.What payment methods are accepted for LTC6262HDC#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6262HDC#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6262HDC#TRMPBF?
LTC6262HDC#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6262HDC#TRMPBF 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 LTC6262HDC#TRMPBF?
For technical support, including LTC6262HDC#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6262HDC#TRMPBF requirements.
6.How does Aetrix verify that LTC6262HDC#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LTC6262HDC#TRMPBF 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 LTC6262HDC#TRMPBF meets industry standards.
7.What is the process for return or replacement of LTC6262HDC#TRMPBF?
All LTC6262HDC#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6262HDC#TRMPBF, 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 LTC6262HDC#TRMPBF part is unused and in its original packaging.
Return procedure for LTC6262HDC#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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