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Analog Devices Inc. LT6200CS8
- Part No.:
- LT6200CS8
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT6200CS8.pdf
- Description:
- IC BUFFER 1 CIRCUIT 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,933
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Product details
Overview
LT6200CS8 from Analog Devices (formerly Linear Technology) is a single, rail-to-rail input/output, ultralow-noise operational amplifier optimized for unity-gain stability and low-voltage signal conditioning. It delivers 0.95nV/√Hz input voltage noise at 100kHz, 165MHz gain bandwidth, 50V/µs slew rate, and operates from 2.5V to 12.6V supplies - ideal for precision photodiode amplifiers and high-fidelity analog front-ends.
For engineers reviewing the LT6200CS8 datasheet, LT6200CS8 pinout, LT6200CS8 application, or LT6200CS8 equivalent, key selection criteria include its guaranteed 165MHz GBW at AV = 1, rail-to-rail output swing within 150mV of rails at 20mA load, shutdown functionality with 1.35mA disabled current, and SO-8 package compatibility with industrial temperature range variants.
Technical Context
The LT6200CS8 employs a proprietary bipolar input stage enabling both ultralow voltage noise (0.95nV/√Hz) and wide supply range (2.5V–12.6V), while maintaining unity-gain stability without external compensation. Its input common-mode range extends to both supply rails, and output swings rail-to-rail under moderate loads.
Integrated power-down logic on the SHDN pin reduces quiescent current to ≤1.8mA, with 180ns turn-on/turn-off times and leakage <75µA in shutdown. Thermal shutdown protection activates at TJ ≥150°C, and absolute maximum ratings include ±40mA input current and indefinite output short-circuit tolerance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Noise Voltage Density | 0.95nV/√Hz at 100kHz - enables high-SNR transimpedance amplification of weak sensor signals |
| Gain Bandwidth Product | 165MHz at AV = 1 - supports stable unity-gain buffering of >100MHz small-signal waveforms |
| Slew Rate | 50V/µs - ensures faithful reproduction of fast 4Vpp pulses with minimal distortion |
| Input Common-Mode Range | Includes both rails (V– to V+) - allows direct interfacing with ground-referenced sensors and DAC outputs |
| Output Swing (20mA) | Within 150mV of V+ and 170mV of V– at VS = 5V - maximizes dynamic range in single-supply systems |
| Supply Current | 20mA typical at VS = 5V - balances speed/noise performance with power budget constraints |
| Shutdown Current | ≤1.8mA - enables low-power sleep modes in battery-operated instrumentation |
Pinout & Package
LT6200CS8 is housed in an 8-lead plastic SO (Small Outline) package with standard op-amp pinout and 1.27mm lead pitch. The package is RoHS-compliant, lead-free, and rated for 0°C to 70°C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Amplifier Output | Delivers rail-to-rail voltage swing; capable of sourcing/sinking ≥60mA |
| 2 (–IN) | Inverting Input | Differential input node; common-mode range includes both supply rails |
| 3 (+IN) | Non-Inverting Input | Differential input node; matched bias current and offset characteristics to Pin 2 |
| 4 (V–) | Negative Supply | Reference for internal circuitry; underside metal pad (in DFN variants) connects here |
| 5 (NC) | No Connect | Internally unused; must remain unconnected per datasheet |
| 6 (V+) | Positive Supply | Accepts 2.5V–12.6V; PSRR ≥60dB across full supply range |
| 7 (NC) | No Connect | Internally unused; must remain unconnected per datasheet |
| 8 (SHDN) | Shutdown Control | Active-low enable; pulls supply current to ≤1.8mA when ≤0.3V |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail I/O | Enables full utilization of supply voltage headroom in single-supply data acquisition systems |
| Ultralow 0.95nV/√Hz noise | Preserves SNR in low-level signal chains such as photodiode, strain gauge, or microphone preamps |
| Unity-gain stable | Eliminates need for external compensation components in buffer, gain-of-one, or active filter configurations |
| Integrated shutdown | Reduces system standby power by >90% without requiring external MOSFET switches or sequencing logic |
| Wide 2.5V–12.6V supply range | Supports direct operation from 3.3V, 5V, or ±5V rails - simplifies mixed-voltage board design |
Applications
| Transimpedance Amplifier | Low Noise Signal Processing |
|---|---|
Use Scenario: Converting nanoampere photocurrent from a silicon PIN diode into a clean, amplified voltage signal for ADC digitization. IC Role / Device Role: Primary transimpedance amplifier with feedback resistor and capacitor network. Use Value: 0.95nV/√Hz noise density minimizes added noise floor, preserving optical signal integrity at bandwidths up to 165MHz. | Use Scenario: Conditioning low-amplitude EEG or ECG bio-potential signals prior to digitization in portable medical devices. IC Role / Device Role: First-stage low-noise, high-input-impedance amplifier with DC-coupled rail-to-rail output. Use Value: Rail-to-rail output swing maximizes ADC input range; 165MHz GBW supports anti-aliasing filtering without phase lag. |
| Active Filter | Rail-to-Rail Buffer Amplifier |
Use Scenario: Implementing a 4th-order Butterworth low-pass filter at 10MHz cutoff in RF test equipment signal paths. IC Role / Device Role: Gain stage in multiple-feedback (MFB) or state-variable topology. Use Value: Unity-gain stability and 50V/µs slew rate prevent peaking or distortion at filter corner frequencies. | Use Scenario: Isolating a high-impedance DAC output from capacitive loading effects of long PCB traces or multiplexed inputs. IC Role / Device Role: Unity-gain voltage follower with low output impedance and high drive capability. Use Value: 60mA output current and rail-to-rail swing ensure accurate voltage replication under 100Ω–1kΩ loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-noise, high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT6200IS8 | Same electrical specs but rated for –40°C to 85°C operating range; marked "6200I" | Required for automotive or industrial environments where extended temperature operation is mandatory | Select LT6200IS8 when ambient temperature exceeds 70°C or cold-start reliability below 0°C is required |
| ADA4898-1ARZ | Lower 0.9nV/√Hz noise, higher 290MHz GBW, but requires ±5V min supply; no shutdown pin | Better suited for dual-supply, ultra-wideband applications where power-down is not needed | Choose ADA4898-1ARZ only if dual supply is available and shutdown functionality is unnecessary |
Compared with LT6200IS8, the LT6200CS8 trades extended temperature rating for lower cost and commercial-grade qualification; versus ADA4898-1ARZ, it offers integrated shutdown and single-supply flexibility at the expense of slightly higher noise and reduced bandwidth.
Availability
LT6200CS8 is available at Aetrix Electronics and suitable for transimpedance amplifiers, low-noise signal processing, and active filter designs requiring stable component supply, consistent parametric performance, and SO-8 footprint compatibility.
Supply support for LT6200CS8 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 full product support, documentation, and manufacturing continuity for all Linear op amp families.
The LT6200 family was designed specifically for high-fidelity, low-noise, high-speed analog signal conditioning in space-constrained, low-voltage systems - emphasizing noise-performance-per-milliwatt and rail-to-rail usability.
FAQ
What is the guaranteed gain bandwidth product of the LT6200CS8 at unity gain?
The LT6200CS8 guarantees a minimum gain bandwidth product of 145MHz at AV = 1 (typical 165MHz), measured at VS = 5V and f = 1MHz. This specification applies over the 0°C to 70°C temperature range and ensures stable unity-gain operation without external compensation. The LT6200CS8 datasheet confirms this value in the Electrical Characteristics table under GBW parameter.
Does the LT6200CS8 support true rail-to-rail output swing under load?
Yes, the LT6200CS8 delivers rail-to-rail output swing: at VS = 5V and ISINK = 20mA, VO(L) is within 170mV of V–, and at ISOURCE = 20mA, VO(H) is within 240mV of V+. These values are specified in the Electrical Characteristics table and confirmed across the commercial temperature range. The LT6200CS8 achieves this using complementary bipolar output stages.
What is the function of Pin 5 and Pin 7 on the LT6200CS8 SO-8 package?
Pin 5 (NC) and Pin 7 (NC) on the LT6200CS8 are no-connect terminals - internally unconnected and electrically isolated. The LT6200CS8 datasheet explicitly states these pins must remain unconnected in PCB layout. They are reserved for future device variants and have no functional role in the LT6200CS8.
How does the shutdown feature of the LT6200CS8 behave during power-up?
The LT6200CS8 enters normal operation when the SHDN pin voltage exceeds V+ – 0.5V (typically ≥4.5V for VS = 5V). During power-up, if SHDN is left floating or pulled high via weak resistor, the amplifier activates after ~180ns. If pulled low (<0.3V), supply current drops to ≤1.8mA until SHDN rises. The LT6200CS8 has no power-on reset circuitry - behavior depends entirely on external SHDN pin control timing.
Is the LT6200CS8 pin-compatible with other op amps in the same SO-8 footprint?
The LT6200CS8 uses industry-standard SO-8 op amp pinout (OUT, –IN, +IN, V–, NC, V+, NC, SHDN), matching pin assignments of legacy parts like OP27 and AD820. However, Pin 8 (SHDN) is unique to the LT6200 family - connecting it to V+ or leaving it open enables operation, but tying it to GND disables the amplifier. Always verify SHDN handling in legacy replacement scenarios.
LT6200CS8 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Buffer
- Number of Circuits:
- 1
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 50V/µs
- Gain Bandwidth Product:
- 165 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 23 µA
- Voltage - Input Offset:
- 2.5 mV
- Current - Supply:
- 20mA
- Current - Output / Channel:
- 90 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 12.6 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
LT6200CS8 FAQ
1.How can I place an order for LT6200CS8 through Aetrix?
Please submit a Request for Quotation (RFQ) for LT6200CS8 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 LT6200CS8 reliable?
The price and inventory of LT6200CS8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT6200CS8 is usually 5 days.
3.What payment methods are accepted for LT6200CS8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT6200CS8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT6200CS8?
LT6200CS8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT6200CS8 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 LT6200CS8?
For technical support, including LT6200CS8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT6200CS8 requirements.
6.How does Aetrix verify that LT6200CS8 is sourced from the original manufacturer or authorized distributors?
All LT6200CS8 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 LT6200CS8 meets industry standards.
7.What is the process for return or replacement of LT6200CS8?
All LT6200CS8 units undergo pre-shipment inspection (PSI). If there is an issue with LT6200CS8, 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 LT6200CS8 part is unused and in its original packaging.
Return procedure for LT6200CS8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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