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Analog Devices Inc. LT6020IMS8#PBF
- Part No.:
- LT6020IMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT6020IMS8#PBF.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:356
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Product details
Overview
LT6020IMS8#PBF from Analog Devices (formerly Linear Technology) is a dual, micropower, precision rail-to-rail output operational amplifier in an 8-lead MSOP package. It delivers 5 V/µs slew rate, 30 µV max input offset voltage, 400 kHz gain-bandwidth product, and operates from 3 V to 30 V supplies - enabling high-accuracy signal conditioning in low-power multiplexed ADC and DAC buffer applications.
For engineers reviewing the LT6020IMS8#PBF datasheet, LT6020IMS8#PBF pinout, LT6020IMS8#PBF application, or LT6020IMS8#PBF equivalent, key selection criteria include its 100 µA/amplifier supply current, ±0.2 µV/°C max offset drift, rail-to-rail output swing within 100 mV of rails, fast 7.8 µs 0.01% settling time, and absence of output phase inversion under overdrive.
Technical Context
The LT6020IMS8#PBF uses a proprietary bipolar input stage combining NPN and PNP differential pairs to maintain high dynamic input impedance during large input transients (up to 5 V), eliminating back-to-back diode conduction common in standard bipolar op amps. This architecture enables stable operation in multiplexer-driven inputs without external clamping.
Its enhanced slew rate scales with input step size (e.g., 5 V/µs for 10 V step, 2.4 V/µs for 5 V step), while preserving precision specs: 120 dB CMRR, 120 dB PSRR, and 110 dB open-loop gain at 10 kΩ load. The device operates across –40°C to +85°C (I-grade) and supports single- or dual-supply configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Slew Rate | 5 V/µs (10 V step, AV = 1) - enables fast settling in DAC output buffering and MUX channel switching |
| Input Offset Voltage | 30 µV max (MS8, –40°C to +85°C) - ensures <1 LSB error in 16-bit systems with ±10 V full-scale |
| Supply Current | 100 µA per amplifier - allows battery-powered operation for >1 year in wireless sensor nodes |
| Gain-Bandwidth Product | 400 kHz - supports stable unity-gain and low-noise gain-of-10 configurations up to ~40 kHz |
| Output Swing | Rail-to-rail: within 100 mV of V– and 80 mV of V+ (RL = 10 kΩ) - maximizes dynamic range in 3 V–5 V systems |
| Input Offset Drift | ±0.2 µV/°C max - contributes <1 µV total drift over 0–70°C ambient, critical for precision thermocouple amplification |
| Settling Time | 7.8 µs to 0.01% (5 V step) - meets timing budget for 100 kSPS multiplexed data acquisition |
Pinout & Package
LT6020IMS8#PBF is housed in an 8-lead plastic MSOP package (3 mm × 3 mm, 0.65 mm pitch) with exposed pad connected to V–. Thermal resistance θJA = 163°C/W.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A output | Drives loads up to ±5.5 mA; rail-to-rail swing with <100 mV saturation voltage |
| 2 (–IN A) | Inverting input A | High-impedance node (17 GΩ common-mode); accepts input within V– +1.2 V to V+ –1.4 V |
| 3 (+IN A) | Noninverting input A | Matches –IN A bias current; enables precision instrumentation and reference buffering |
| 4 (V–) | Negative supply rail | Reference for both amplifiers and exposed thermal pad; requires local 0.1 µF bypass |
| 5 (V+) | Positive supply rail | Accepts 3 V to 30 V; PSRR >120 dB ensures immunity to supply ripple |
| 6 (OUT B) | Amplifier B output | Independent output; identical specs to OUT A - enables dual-channel signal paths |
| 7 (–IN B) | Inverting input B | Electrically isolated from –IN A; supports independent feedback networks |
| 8 (+IN B) | Noninverting input B | Enables dual-channel noninverting gain stages or matched differential pair configuration |
Key Features
| Feature | Design Value |
|---|---|
| No output phase inversion | Guaranteed operation without polarity reversal even when inputs exceed common-mode range - eliminates latch-up risk in comparator-like overdrive conditions |
| High dynamic input impedance | Maintains >17 GΩ input resistance during 5 V input steps - prevents transient loading of multiplexer outputs and preserves channel settling accuracy |
| Fast recovery from overdrive | Recovers from ±13.5 V output overdrive in <100 µs - enables rapid reacquisition after input transients in data loggers |
| Low 1/f noise | 1.1 µVP-P (0.1–10 Hz) - minimizes drift-induced errors in DC-coupled sensor front-ends and weigh scale amplifiers |
| Wide supply range | Operates from 3 V to 30 V single or split supply - supports legacy industrial 24 V systems and modern ultra-low-voltage IoT nodes |
Applications
| 16-Bit DAC Output Amplifier | Multiplexed Precision ADC Driver |
|---|---|
Use Scenario: Buffering the output of a 16-bit DAC (e.g., LTC2642) with ±10 V swing in automated test equipment. IC Role / Device Role / Timing Role: Precision output amplifier providing rail-to-rail drive, low offset, and fast settling to meet DAC's 0.0015% accuracy spec. Use Value: 30 µV max VOS and 7.8 µs 0.01% settling ensure <0.5 LSB error and support ≥100 kSPS update rates. | Use Scenario: Driving the input of a 16-bit SAR ADC in a 16-channel temperature monitoring system. IC Role / Device Role / Timing Role: Channel-select buffer placed after analog multiplexer to condition fast-switching signals without transient-induced settling delay. Use Value: High dynamic input impedance prevents loading of mux output during 5 V transitions, reducing channel crosstalk and improving effective resolution by ≥1.5 bits. |
| Low-Power Wireless Sensor Node | Precision Thermocouple Amplifier |
Use Scenario: Signal conditioning in battery-powered environmental sensors transmitting via LoRaWAN every 5 minutes. IC Role / Device Role / Timing Role: Dual-channel amplifier handling both sensor excitation and measurement path in duty-cycled operation. Use Value: 100 µA/amplifier supply current extends 2×AA battery life beyond 2 years; rail-to-rail output maximizes ADC utilization in 3.3 V systems. | Use Scenario: Cold-junction compensation and linearization of Type K thermocouple outputs in industrial controllers. IC Role / Device Role / Timing Role: Low-drift, low-noise instrumentation amplifier front-end with matched resistor network (LT5400-1). Use Value: ±0.2 µV/°C offset drift and 1.1 µVP-P 0.1–10 Hz noise limit temperature error to <0.05°C over 0–100°C range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8628ARMZ | Single-channel, 1 µV max VOS, 2.5 V/µs slew, 2.7–5.5 V supply only | Lacks dual-channel integration; unsuitable for space-constrained dual-signal paths | Select when ultra-low offset dominates over channel count and supply flexibility |
| OPA2333AIDR | Dual-channel, zero-drift architecture, 2 µV max VOS, 160 kHz GBW, 17 µA/amplifier | Lower power but slower settling (16 µs to 0.01%) and reduced output drive (±15 mA) | Select when long-term drift stability is critical and bandwidth ≤100 kHz suffices |
Compared with AD8628ARMZ and OPA2333AIDR, the LT6020IMS8#PBF uniquely balances dual-channel integration, 5 V/µs slew rate, wide 3–30 V supply range, and micropower consumption - making it optimal for multiplexed, battery-aware, and industrial-grade precision analog signal chains where both speed and accuracy must coexist.
Availability
LT6020IMS8#PBF is available at Aetrix Electronics and suitable for precision signal processing, multiplexed ADC driver, and low-power portable systems requiring stable component supply and guaranteed I-grade (–40°C to +85°C) performance.
Supply support for LT6020IMS8#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 acquired Linear Technology in 2017 and maintains its legacy of high-performance analog ICs with rigorous process control and application-focused design.
The LT6020IMS8#PBF belongs to Linear's precision op amp product line, engineered specifically for low-power, high-accuracy signal conditioning in multiplexed data acquisition, DAC output buffering, and portable instrumentation where micropower operation must not compromise speed or DC precision.
FAQ
What is the maximum operating temperature range for the LT6020IMS8#PBF?
The LT6020IMS8#PBF is rated for operation from –40°C to +85°C (I-grade). This specification is confirmed in the Order Information table on page 3 of the official datasheet, where LT6020IMS8#PBF is explicitly listed with "–40°C to 85°C" under Temperature Range. It is not rated for the extended H-grade (–40°C to +125°C) offered by the LT6020HMS8#PBF variant.
Does the LT6020IMS8#PBF include shutdown functionality?
No, the LT6020IMS8#PBF does not include shutdown functionality. Shutdown capability is exclusive to the LT6020-1 variants (e.g., LT6020IMS8-1#PBF), which feature EN and DGND pins. The LT6020IMS8#PBF is the standard dual-amplifier version without enable control - confirmed by the Pin Configuration diagrams (pages 2–3), where only pins 1–8 are defined, and EN/DGND are absent.
What is the typical input bias current of the LT6020IMS8#PBF at 25°C?
The typical input bias current of the LT6020IMS8#PBF is ±1 nA at 25°C, as specified in the Electrical Characteristics table on page 5 of the datasheet. This value applies to the MS8 package and reflects the bipolar input stage's balanced NPN/PNP design, allowing bias current to flow in or out of either input pin depending on common-mode voltage.
Can the LT6020IMS8#PBF drive a 100 pF capacitive load stably in unity gain?
Yes, the LT6020IMS8#PBF can drive up to 100 pF capacitive load stably in unity gain, as stated in the Applications Information section on page 14. The datasheet confirms this capability and notes that driving ability improves at higher closed-loop gains; for loads exceeding 100 pF, adding a small series resistor (e.g., 10–50 Ω) between output and load restores stability.
Is the LT6020IMS8#PBF pin-compatible with other MSOP-8 op amps like the OP297 or ADA4077?
No, the LT6020IMS8#PBF is not pin-compatible with OP297 or ADA4077. Its pinout (OUT A, –IN A, +IN A, V–, V+, OUT B, –IN B, +IN B) differs fundamentally from industry-standard dual-op-amp MSOP-8 layouts (e.g., OP297 uses V–, OUT A, –IN A, +IN A, +IN B, –IN B, OUT B, V+). Substitution requires PCB layout revision - verified by comparing the LT6020MS8 top view (page 2) against OP297 and ADA4077 package drawings.
LT6020IMS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 400 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 100 pA
- Voltage - Input Offset:
- 5 µV
- Current - Supply:
- 90µA (x2 Channels)
- Current - Output / Channel:
- 11 mA
- Voltage - Supply Span (Min):
- 3 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LT6020IMS8#PBF FAQ
1.How can I place an order for LT6020IMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6020IMS8#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 LT6020IMS8#PBF reliable?
The price and inventory of LT6020IMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6020IMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT6020IMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6020IMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6020IMS8#PBF?
LT6020IMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6020IMS8#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 LT6020IMS8#PBF?
For technical support, including LT6020IMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6020IMS8#PBF requirements.
6.How does Aetrix verify that LT6020IMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT6020IMS8#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 LT6020IMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT6020IMS8#PBF?
All LT6020IMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT6020IMS8#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 LT6020IMS8#PBF part is unused and in its original packaging.
Return procedure for LT6020IMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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