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Analog Devices Inc. LT6002IGN#PBF
- Part No.:
- LT6002IGN#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
LT6002IGN#PBF.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 16SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:314
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Product details
Overview
LT6002IGN#PBF from Analog Devices (formerly Linear Technology) is a quad precision rail-to-rail input/output operational amplifier optimized for micropower, low-voltage operation in battery- or solar-powered systems. It operates from 1.8V to 16V supply, draws only 13–16µA per amplifier, guarantees ≤1000µV input offset voltage over –40°C to 85°C, and delivers rail-to-rail output swing within 30mV of each rail with no load - enabling accurate signal conditioning in portable gas sensing and instrumentation.
For engineers reviewing the LT6002IGN#PBF datasheet, LT6002IGN#PBF pinout, LT6002IGN#PBF application, or LT6002IGN#PBF equivalent, key selection criteria include its guaranteed 1.8V operation, 16-pin narrow SSOP package, industrial temperature range (–40°C to 85°C), and absence of shutdown functionality - distinguishing it from LT6000/LT6001 variants with SHDN pins.
Technical Context
The LT6002IGN#PBF implements a dual-input-stage architecture: a PNP pair active near V– and an NPN pair active near V+, enabling true rail-to-rail common-mode input range (0V to 1.8V on 1.8V supply). Its folded-cascode second stage and complementary drive output stage support rail-to-rail output swing while maintaining stability with capacitive loads up to 10nF.
It features precision trimming across both input stages to minimize offset variation over common-mode voltage, achieving typical CMRR of 90–105dB and PSRR of 86–100dB. Gain-bandwidth product is 32–50kHz at 1kHz, slew rate is 7–15V/ms, and input voltage noise is 75nV/√Hz - all fully specified at 1.8V and 5V supplies across temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.8V to 16V - enables direct operation from single-cell Li-ion (3.0–4.2V), NiMH (1.2V × 2), or 1.8V logic rails without level-shifting. |
| Quiescent Current per Amp | 13–16µA max - supports multi-year battery life in always-on sensor nodes drawing <65µA total for all four amplifiers. |
| Input Offset Voltage | ≤1000µV over –40°C to 85°C - ensures sub-millivolt DC accuracy in low-gain transducer interfaces without calibration. |
| Input Common-Mode Range | 0V to VS - accepts signals from ground to supply rail, eliminating need for biasing resistors in single-supply sensor front-ends. |
| Output Swing (no load) | Within 30mV of V+ and V– - preserves full dynamic range for ADCs with 0–VS input ranges, e.g., 12-bit SAR converters. |
| Gain Bandwidth Product | 32–50kHz - sufficient for anti-alias filtering, active low-pass stages, and sensor signal conditioning up to ~10kHz. |
| Operating Temperature | –40°C to 85°C - qualified for industrial and outdoor environmental monitoring deployments. |
Pinout & Package
LT6002IGN#PBF is housed in a 16-lead narrow plastic SSOP (GN) package with exposed pad connected to V–. Pin pitch is 0.65mm; body dimensions are 5.0mm × 3.9mm × 1.75mm. Thermal resistance θJA = 135°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives external load or next-stage input; rail-to-rail capable. |
| 2 | IN– A | Inverting input of Amp A - high-impedance node; matched to IN+ A for minimal offset error. |
| 3 | IN+ A | Non-inverting input of Amp A - accepts sensor or reference signal directly from 0V to VS. |
| 4 | V+ | Positive supply rail - must be bypassed with ≥0.01µF ceramic capacitor placed within 25mm. |
| 5 | IN+ B | Non-inverting input of Amp B - electrically isolated from other channels; supports independent signal paths. |
| 6 | IN– B | Inverting input of Amp B - used for differential gain configuration or feedback network connection. |
| 7 | OUT B | Amplifier B output - identical performance to OUT A; no internal cross-talk between channels. |
| 8 | NC | No connect - internal die pad not bonded; must remain unconnected on PCB. |
| 9 | OUT D | Amplifier D output - fourth channel; shares same electrical specs and thermal behavior as OUT A/B/C. |
| 10 | IN– D | Inverting input of Amp D - supports 4-channel simultaneous acquisition in compact space-constrained designs. |
| 11 | IN+ D | Non-inverting input of Amp D - enables parallel sensor conditioning (e.g., O2, CO, NO2, humidity). |
| 12 | V– | Negative supply rail - exposed pad tied internally to this pin; requires solid thermal/via connection to ground plane. |
| 13 | IN+ C | Non-inverting input of Amp C - completes quad-channel set; layout symmetry recommended for matching. |
| 14 | IN– C | Inverting input of Amp C - used for gain-setting resistors or filter networks in fourth channel. |
| 15 | OUT C | Amplifier C output - provides fourth independent analog signal path without multiplexing delay or crosstalk. |
| 16 | NC | No connect - internal die pad not bonded; must remain unconnected on PCB. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full utilization of 1.8V supply range - critical for maximizing SNR in low-voltage ADC interfaces. |
| 1.8V minimum supply | Supports direct integration with energy-harvesting circuits and ultra-low-power microcontrollers (e.g., ARM Cortex-M0+). |
| 13µA quiescent current per amp | Allows four-channel signal conditioning while consuming <52µA total - extends coin-cell battery life beyond 5 years. |
| Guaranteed 1000µV VOS over temp | Eliminates need for system-level offset calibration in cost-sensitive portable instrumentation. |
| 8.5–25MΩ differential RIN | Minimizes loading error on high-impedance sensors (e.g., electrochemical gas cells, pH electrodes). |
| 75nV/√Hz input voltage noise | Maintains resolution in µV-level sensor outputs (e.g., thermopiles, strain gauges) without requiring additional filtering. |
Applications
| Gas Sensing Front-End | Portable Medical Instrumentation |
|---|---|
Use Scenario: Amplifying low-level current from electrochemical oxygen sensors (e.g., City Technology 40X series) operating on 1.8V coin cells. IC Role / Device Role / Timing Role: Precision transimpedance amplifier converting nanoamp sensor current to 0–1V output for 12-bit ADC sampling. Use Value: 13µA per amplifier enables >2-year battery life; rail-to-rail output ensures full 0–1.8V ADC range utilization without level-shifting. | Use Scenario: Signal conditioning for disposable glucose test strips in handheld meters powered by AAA batteries. IC Role / Device Role / Timing Role: Quad-channel buffer and gain stage for multiple strip electrodes, enabling simultaneous multi-analyte detection. Use Value: Guaranteed 1000µV VOS over –40°C to 85°C eliminates temperature-dependent calibration drift in field-deployed devices. |
| Low-Power Environmental Monitoring | Industrial Battery-Powered Data Loggers |
Use Scenario: Conditioning outputs from CO, NO2, and VOC sensors in wireless air quality nodes powered by solar + LiFePO4. IC Role / Device Role / Timing Role: Four independent low-noise amplifiers driving SAR ADC inputs in duty-cycled acquisition mode. Use Value: 75nV/√Hz input noise preserves resolution of µV-level sensor outputs; 1.8V operation matches ultra-low-power MCU sleep modes. | Use Scenario: Analog front-end for vibration, temperature, and pressure sensors in remote oil-field telemetry units. IC Role / Device Role / Timing Role: Quad op-amp providing sensor excitation, filtering, and level-shifting prior to isolation and RF transmission. Use Value: 135°C/W θJA and industrial temp rating ensure reliability in unventilated enclosures up to 85°C ambient. |
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 |
|---|---|---|---|
| LT6002CDHC#PBF | Same quad architecture but in 5mm × 3mm DFN package; higher max VOS (1300µV) over temp; θJA = 160°C/W. | Preferred for space-constrained PCBs where thermal mass is limited; less suitable for high-reliability through-hole assembly. | Select LT6002CDHC#PBF when board area is critical and thermal management via copper pour is feasible. |
| AD8602ARZ-REEL7 | Dual-channel (not quad); 12µA IQ; 300µV VOS max; no guaranteed 1.8V operation; SOIC-8 package. | Requires two devices for quad functionality; better offset but narrower supply range (2.7–6V); lacks 1.8V compatibility. | Choose AD8602ARZ-REEL7 only if dual-channel count suffices and 2.7V minimum supply is acceptable in the system. |
Compared with LT6002CDHC#PBF, the LT6002IGN#PBF offers lower thermal resistance and legacy SSOP assembly compatibility; versus AD8602ARZ-REEL7, it provides true quad integration and guaranteed 1.8V operation - making it uniquely suited for compact, ultra-low-voltage, four-sensor systems.
Availability
LT6002IGN#PBF is available at Aetrix Electronics and suitable for gas sensing, portable medical instrumentation, and low-power environmental monitoring requiring stable component supply across extended production lifecycles.
Supply support for LT6002IGN#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) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies.
The LT6000/LT6001/LT6002 family was designed specifically for micropower, precision signal conditioning in battery-constrained applications - emphasizing ultra-low IQ, rail-to-rail operation at 1.8V, and industrial temperature robustness.
FAQ
What is the maximum input common-mode voltage range for LT6002IGN#PBF?
The LT6002IGN#PBF supports a rail-to-rail input common-mode voltage range from V– to V+, i.e., 0V to 1.8V on a 1.8V supply. This is achieved via dual-input-stage architecture (PNP + NPN), enabling direct interface with sensors whose output spans the full supply range - such as electrochemical gas cells or bridge-based transducers without external biasing.
Does LT6002IGN#PBF include a shutdown pin?
No, LT6002IGN#PBF does not include a shutdown pin. Shutdown functionality is only present in the LT6000 (single) and LT6001DD (dual DFN) variants. The LT6002IGN#PBF - packaged in 16-pin narrow SSOP - is a fixed-operation quad op-amp with no SHDN control; total supply current remains at 52–64µA (4 × 13–16µA) continuously.
What is the guaranteed input offset voltage specification for LT6002IGN#PBF over temperature?
For LT6002IGN#PBF (industrial-grade, –40°C to 85°C), the input offset voltage is guaranteed ≤1000µV. This is explicitly specified in the datasheet's Electrical Characteristics table for LT6002GN under "–40°C ≤ TA ≤ 85°C" condition, ensuring predictable DC accuracy without calibration in demanding environmental deployments.
Can LT6002IGN#PBF drive capacitive loads, and what is the recommended compensation?
Yes, LT6002IGN#PBF can drive capacitive loads up to 10nF while maintaining stability, as verified in Typical Performance Characteristics (Figure 60012 G23). For loads >100pF, a small series resistor (10–50Ω) between amplifier output and capacitive load is recommended to isolate the capacitance and prevent peaking - preserving phase margin above 60° across temperature and supply conditions.
What package type and lead count does LT6002IGN#PBF use?
LT6002IGN#PBF uses a 16-lead narrow plastic SSOP (Shrink Small Outline Package) designated as GN package. It measures 5.0mm × 3.9mm × 1.75mm with 0.65mm lead pitch. The exposed pad is internally connected to V– and must be soldered to a thermal pad on the PCB for optimal thermal performance (θJA = 135°C/W).
LT6002IGN#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- 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-SSOP
LT6002IGN#PBF FAQ
1.How can I place an order for LT6002IGN#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6002IGN#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 LT6002IGN#PBF reliable?
The price and inventory of LT6002IGN#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6002IGN#PBF is usually 5 days.
3.What payment methods are accepted for LT6002IGN#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6002IGN#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6002IGN#PBF?
LT6002IGN#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6002IGN#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 LT6002IGN#PBF?
For technical support, including LT6002IGN#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6002IGN#PBF requirements.
6.How does Aetrix verify that LT6002IGN#PBF is sourced from the original manufacturer or authorized distributors?
All LT6002IGN#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 LT6002IGN#PBF meets industry standards.
7.What is the process for return or replacement of LT6002IGN#PBF?
All LT6002IGN#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6002IGN#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 LT6002IGN#PBF part is unused and in its original packaging.
Return procedure for LT6002IGN#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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