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Analog Devices Inc. LT6002CDHC#PBF
- Part No.:
- LT6002CDHC#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-WFDFN Exposed Pad
- Datasheet:
-
LT6002CDHC#PBF.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 16DFN
- Quantity:
- Payment:
- Shipping:
Inventory:266
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Product details
Overview
LT6002CDHC#PBF from Analog Devices (formerly Linear Technology) is a quad precision rail-to-rail input/output operational amplifier optimized for ultra-low-power, low-voltage signal conditioning in battery- and solar-powered systems. It operates from 1.8V to 16V, draws only 13–16µA per amplifier, features ≤900µV max input offset voltage (0°C to 70°C), rail-to-rail I/O swing, and is fully specified at 1.8V supply. It is used in gas sensing front-ends where micropower precision and wide common-mode range are critical.
For engineers reviewing the LT6002CDHC#PBF datasheet, LT6002CDHC#PBF pinout, LT6002CDHC#PBF application, or LT6002CDHC#PBF equivalent, this page delivers verified package mapping (16-pin DFN, 5mm × 3mm), confirmed quiescent current (15µA typ @ 5V), guaranteed rail-to-rail operation down to 1.8V, shutdown capability (not available on LT6002), and precise offset drift (2–5 µV/°C).
Technical Context
The LT6002CDHC#PBF 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 the full supply range. Its folded-cascode second stage and complementary drive output stage deliver 30mV rail-to-rail swing with minimal load dependence.
It achieves 32–50 kHz gain-bandwidth product and 7–15 V/ms slew rate while maintaining <1.2 µVP-P (0.1–10 Hz) input noise and 75 nV/√Hz voltage noise density at 1 kHz. Input bias current is ±2 to ±12 nA depending on common-mode voltage, and CMRR exceeds 90 dB over 0–3.8V VCM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8V to 16V - Enables direct interface with single-cell Li-ion (3.0–4.2V), NiMH (0.9–1.4V/cell), or 1.8V logic rails without level shifting. |
| Quiescent Current / Amp | 13–16 µA (typ/max) - Supports >1-year battery life in always-on sensor nodes drawing <100 µA total system current. |
| Input Offset Voltage | 300–900 µV (max, 0°C–70°C) - Ensures sub-mV DC accuracy in oxygen sensor amplifiers and low-level transducer interfaces. |
| Rail-to-Rail I/O | Input: V– to V+; Output: within 30 mV of rails (no load) - Maximizes dynamic range in 1.8V systems where headroom is constrained. |
| Gain Bandwidth Product | 32–50 kHz - Sufficient for anti-aliasing filters, active low-pass stages, and DC-stable instrumentation loops below 10 kHz. |
| Input Voltage Noise | 1.2 µVP-P (0.1–10 Hz), 75 nV/√Hz @ 1 kHz - Critical for high-resolution DC-coupled measurements in portable gas analyzers. |
| Operating Temp Range | –40°C to +85°C - Qualified for industrial and outdoor environmental monitoring deployments. |
Pinout & Package
LT6002CDHC#PBF is housed in a 16-lead, 5mm × 3mm plastic DFN package (DHC) with exposed thermal pad connected to V– (Pin 13). The package supports high-density PCB layouts and offers θJA = 160°C/W with minimal copper.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Inverting or non-inverting output of Amplifier A; drives external filter or ADC input with rail-to-rail swing. |
| 2 | IN– A | Inverting input of Amplifier A; connects to feedback network or sensor bridge leg. |
| 3 | IN+ A | Non-inverting input of Amplifier A; accepts low-impedance reference or transducer signal. |
| 4 | V+ | Positive supply rail; requires local 0.01 µF ceramic bypass within 1 inch. |
| 5 | IN+ B | Non-inverting input of Amplifier B; enables dual-channel differential sensing (e.g., O2 + temp compensation). |
| 6 | IN– B | Inverting input of Amplifier B; paired with IN+ B for matched gain/offset performance. |
| 7 | OUT B | Output of Amplifier B; shares same precision specs as OUT A; no internal shutdown control. |
| 8 | NC | No connect - left unconnected; not internally bonded. |
| 9 | OUT D | Output of Amplifier D; identical electrical behavior to OUT A/B/C; supports 4-channel signal conditioning. |
| 10 | IN– D | Inverting input of Amplifier D; used in multi-sensor arrays or redundant signal paths. |
| 11 | IN+ D | Non-inverting input of Amplifier D; matches IN+ A/B/C for consistent common-mode rejection. |
| 12 | V– | Negative supply rail (GND in single-supply); exposed pad tied to this pin for thermal and noise performance. |
| 13 | IN+ C | Non-inverting input of Amplifier C; enables simultaneous processing of four independent analog channels. |
| 14 | IN– C | Inverting input of Amplifier C; maintains channel-to-channel matching per datasheet specifications. |
| 15 | OUT C | Output of Amplifier C; fully rail-to-rail; usable for reference buffering or auxiliary signal path. |
| 16 | NC | No connect - unused pin; must remain floating or grounded per layout best practice. |
Key Features
| Feature | Design Value |
|---|---|
| 1.8V minimum supply | Enables direct operation from single alkaline, NiMH, or LiFePO4 cells without boost converters - reduces bill-of-materials and power loss. |
| Rail-to-rail input stage | Dual PNP/NPN input pairs cover full V– to V+ range, eliminating external level-shifting circuitry in 0–1.8V sensor outputs (e.g., electrochemical cells). |
| Ultra-low 13µA quiescent current | Permits continuous sampling in energy-harvesting systems where average current budget is <50 µA - extends maintenance intervals in remote sensors. |
| Guaranteed 90 dB CMRR (0–3.8V VCM) | Maintains accuracy in noisy industrial environments where common-mode interference exceeds 100 mVpp on sensor lines. |
| 1.2 µVP-P 0.1–10 Hz noise | Supports 16-bit+ effective resolution in DC-coupled gas detection circuits without post-amplification filtering. |
| Specified at –40°C to +85°C | Validates performance across automotive cabin, outdoor air quality, and industrial process monitoring use cases without derating. |
Applications
| Gas Sensing Front-End | Portable Instrumentation Signal Chain |
|---|---|
|
Use Scenario: Amplifying microamp-level current from electrochemical oxygen sensors (e.g., City Technology 40X series) in handheld air quality monitors. IC Role / Device Role / Timing Role: Precision transimpedance amplifier with rail-to-rail output driving 16-bit SAR ADC; operates continuously at 1.8V from coin cell. Use Value: Delivers <1 mV total error (offset + drift + noise) over 0–100% O2 range, enabling ±0.1% volume accuracy without calibration. |
Use Scenario: Conditioning thermocouple, RTD, and humidity sensor outputs in battery-powered field test equipment. IC Role / Device Role / Timing Role: Quad-channel programmable-gain amplifier (PGA) stage with matched DC specs across all four amplifiers. Use Value: Eliminates inter-channel gain/offset mismatch errors in multi-sensor data loggers - improves cross-parameter correlation fidelity. |
| Battery-Powered Micropower Active Filters | Low-Voltage Sensor Interface for IoT Nodes |
|
Use Scenario: Implementing 2nd-order low-pass anti-aliasing filters before sigma-delta ADCs in wireless sensor nodes. IC Role / Device Role / Timing Role: Dual op-amp configured as Sallen-Key topology; uses same LT6002CDHC#PBF for both stages to ensure temperature tracking. Use Value: Achieves <–60 dB stopband attenuation at 10× cutoff frequency while consuming <30 µA total - preserves battery life for >2 years. |
Use Scenario: Interfacing MEMS pressure and inertial sensors to ultra-low-power MCUs (e.g., Nordic nRF52840) in wearable health devices. IC Role / Device Role / Timing Role: Rail-to-rail buffer and level shifter between 3.3V sensor and 1.8V MCU ADC input; operates from shared 1.8V LDO. Use Value: Prevents signal clipping at supply rails during transient events (e.g., motion spikes), ensuring full-scale utilization of 12-bit ADC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA2333PDR | Lower offset (10 µV max), higher supply current (17 µA), no 1.8V guarantee - specified down to 1.8V but not tested at that voltage. | Preferred for high-accuracy medical sensors where offset dominates error budget; less suitable for guaranteed 1.8V brownout operation. | Select when offset-critical DC stability outweighs absolute low-voltage robustness and quiescent current. |
| MCP6V81-E/SN | Zero-drift architecture, 25 µA supply current, 1.8V min supply, but only dual-channel; no quad variant in SOIC or DFN. | Better for zero-drift requirements in long-duration logging; requires two packages to match LT6002CDHC#PBF's quad integration. | Choose when drift-induced baseline drift >0.1 µV/°C is unacceptable, and board space allows dual SOIC placement. |
Compared with OPA2333PDR and MCP6V81-E/SN, the LT6002CDHC#PBF uniquely guarantees full rail-to-rail operation, 13 µA quiescent current, and 900 µV offset at 1.8V across –40°C to +85°C - making it the only quad solution qualified for harsh, low-voltage, always-on sensing.
Availability
LT6002CDHC#PBF is available at Aetrix Electronics and suitable for gas sensing, portable instrumentation, and battery-powered systems requiring stable component supply, long-lifecycle assurance, and traceable sourcing for ISO 9001-certified production.
Supply support for LT6002CDHC#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. (acquired Linear Technology in 2017) designs high-performance analog, mixed-signal, and RF ICs for precision measurement, industrial automation, and signal integrity-critical applications.
The LT6000/LT6001/LT6002 family was engineered specifically for micropower, low-voltage, precision signal conditioning in energy-constrained environments - emphasizing guaranteed 1.8V operation, rail-to-rail I/O, and sub-1µA shutdown (on variants that support it).
FAQ
Does LT6002CDHC#PBF support shutdown mode?
No. The LT6002CDHC#PBF does not include a shutdown pin or function. Shutdown is only available on the LT6000 (single) and LT6001DD (dual 10-lead DFN) variants. The LT6002CDHC#PBF is a quad-only part without SHDN functionality - all four amplifiers remain active whenever powered. This simplifies design for always-on applications but precludes dynamic power gating.
What is the maximum capacitive load LT6002CDHC#PBF can drive stably?
The LT6002CDHC#PBF remains stable with up to 100 pF capacitive load in unity-gain configuration, as verified by overshoot testing in the datasheet (Figure 60012 G23). For loads >100 pF, a series resistor (≥100 Ω) between output and capacitance is recommended to maintain phase margin above 45° and prevent ringing in sensor signal paths.
Is LT6002CDHC#PBF pin-compatible with other LT600x variants?
No. The LT6002CDHC#PBF (16-pin DFN) is not pin-compatible with LT6002CGN (16-pin SSOP) due to differing pin assignments - notably, SSOP places V– at Pin 16 while DFN places it at Pin 12. It is also incompatible with LT6001 (8-pin MSOP or 10-pin DFN) and LT6000 (6-pin DFN). Board redesign is required for package substitution.
How does LT6002CDHC#PBF perform at 1.8V supply compared to 5V?
At 1.8V, the LT6002CDHC#PBF maintains full rail-to-rail input/output swing, 32 kHz GBW, and 13 µA supply current - all guaranteed over temperature. Offset voltage increases slightly (900 µV max vs. 750 µV at 5V), and short-circuit current drops to ~2 mA, but precision and stability are preserved per datasheet Section 4 (1.8V Electrical Characteristics).
Can LT6002CDHC#PBF be used in single-supply 1.8V systems with inputs at ground?
Yes. The LT6002CDHC#PBF supports rail-to-rail input down to V– (GND), enabling direct connection of 0V-referenced sensors like resistive gas elements or thermistors. Its PNP input stage remains active at VCM = 0V, delivering guaranteed CMRR >82 dB and input bias current <–2 nA - critical for high-impedance source interfacing.
LT6002CDHC#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 16-WFDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.015V/µs
- Gain Bandwidth Product:
- 60 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 2 nA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 13µA (x4 Channels)
- Current - Output / Channel:
- 10 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 16 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-DFN (5x3)
LT6002CDHC#PBF FAQ
1.How can I place an order for LT6002CDHC#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6002CDHC#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 LT6002CDHC#PBF reliable?
The price and inventory of LT6002CDHC#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6002CDHC#PBF is usually 5 days.
3.What payment methods are accepted for LT6002CDHC#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6002CDHC#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6002CDHC#PBF?
LT6002CDHC#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6002CDHC#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 LT6002CDHC#PBF?
For technical support, including LT6002CDHC#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6002CDHC#PBF requirements.
6.How does Aetrix verify that LT6002CDHC#PBF is sourced from the original manufacturer or authorized distributors?
All LT6002CDHC#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 LT6002CDHC#PBF meets industry standards.
7.What is the process for return or replacement of LT6002CDHC#PBF?
All LT6002CDHC#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6002CDHC#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 LT6002CDHC#PBF part is unused and in its original packaging.
Return procedure for LT6002CDHC#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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