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Analog Devices Inc. LT1816IMS8#PBF
- Part No.:
- LT1816IMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT1816IMS8#PBF.pdf
- Description:
- IC VOLTAGE FEEDBACK 2 CIRC 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:890
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Product details
Overview
LT1816IMS8#PBF from Analog Devices (formerly Linear Technology) is a dual, high-speed, programmable-supply-current operational amplifier in an 8-lead MSOP package. It delivers 220MHz gain-bandwidth product, 1500V/µs slew rate, and 6.5mA per amplifier supply current at ±5V, with rail-to-rail output swing into 100Ω loads. It serves as a precision, low-noise buffer or active filter stage in high-fidelity signal chains requiring fast settling and low distortion.
For engineers reviewing the LT1816IMS8#PBF datasheet, LT1816IMS8#PBF pinout, LT1816IMS8#PBF application, or LT1816IMS8#PBF equivalent, key selection criteria include guaranteed –40°C to 85°C operation, programmable current mode via ISET pin, input offset voltage ≤2.0mV, 6nV/√Hz noise density, and dual-channel isolation >80dB at 1MHz.
Technical Context
The LT1816IMS8#PBF uses a voltage-feedback topology with current-feedback slewing characteristics, enabling both high DC accuracy and transient response. Its input stage employs complementary NPN/PNP emitter followers for balanced bias current cancellation and 75dB CMRR over full temperature range.
It supports dual independent amplifiers with shared V+ and V– supplies, each featuring an ISET pin for resistor-programmable supply current (1.0–6.5mA) and corresponding bandwidth scaling (25–220MHz). Output drives ±3.5V into 100Ω on ±5V supplies, with 0.1% settling in 15ns for 5V steps.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain-Bandwidth Product | 220MHz - enables stable unity-gain operation and supports closed-loop bandwidth up to ~200MHz with proper compensation |
| Slew Rate | 1500V/µs - ensures <15ns 0.1% settling for 5V output steps, critical for video and data acquisition |
| Input Noise Voltage | 6nV/√Hz - maintains SNR >70dB in 10MHz baseband applications with 50Ω–1kΩ source impedances |
| Input Offset Voltage | ≤2.0mV (–40°C to 85°C) - guarantees ≤2mV error in precision DC-coupled gain stages without trimming |
| Supply Current per Amp | 6.5mA (full speed), 1.0mA (low-power mode) - allows dynamic power scaling for battery-powered or thermally constrained systems |
| Output Drive | ±50mA min into 100Ω - sustains ±3.5V swing driving coaxial cables or ADC input buffers directly |
| Common-Mode Range | ±3.5V on ±5V supplies - supports rail-sensing and single-supply operation down to 2.5V total supply |
Pinout & Package
LT1816IMS8#PBF is housed in an 8-lead plastic MSOP (MS8) package, 3mm × 3mm × 1.1mm profile, with exposed pad internally connected to V– for thermal enhancement.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output; capable of ±50mA drive into 100Ω with <15ns settling |
| 2 | –IN A | Inverting input of Amp A; matched to +IN A for <800nA offset current |
| 3 | +IN A | Non-inverting input of Amp A; differential input range ±6V (transient) |
| 4 | V– | Negative supply rail; also connects to underside metal for thermal conduction |
| 5 | V+ | Positive supply rail; accepts ±1.25V to ±5.5V or single 2.5V to 5V operation |
| 6 | OUT B | Amplifier B output; fully independent, channel separation >80dB at 1MHz |
| 7 | –IN B | Inverting input of Amp B; electrically isolated from Amp A inputs |
| 8 | +IN B | Non-inverting input of Amp B; same input structure and noise performance as Amp A |
Key Features
| Feature | Design Value |
|---|---|
| Programmable supply current | ISET pin allows resistor-based adjustment from 1.0mA to 6.5mA per amplifier, scaling GBW from 25MHz to 220MHz |
| Low input voltage noise | 6nV/√Hz at 10kHz enables high-resolution sensor signal conditioning without added noise floor degradation |
| High output current drive | ±50mA minimum into 100Ω supports direct driving of 75Ω video lines or SAR ADC input networks |
| Unity-gain stability | Stable with AV ≥ 1 and RL ≥ 100Ω; no external compensation required for most buffer/filter configurations |
| Wide supply range | Operates from ±1.25V to ±5.5V or single 2.5V to 5V, supporting mixed-voltage system integration |
Applications
| Video Line Driver | High-Speed Data Acquisition Front-End |
|---|---|
Use Scenario: Driving 75Ω coaxial cable in HD video routing equipment with minimal group delay variation. IC Role / Device Role / Timing Role: Dual-channel buffer with matched gain and phase between channels; one amp drives Y, the other drives C signal. Use Value: 0.08% differential gain and 0.04° differential phase error preserve color fidelity; 15ns settling ensures pixel clock edge integrity. | Use Scenario: Conditioning analog signals before a 12-bit, 10MSPS SAR ADC in automated test equipment. IC Role / Device Role / Timing Role: Single-supply (5V) non-inverting gain-of-2 amplifier with 15ns 0.1% settling time preceding ADC sample-and-hold. Use Value: 6nV/√Hz noise contributes <0.5LSB noise at 12-bit resolution; ±50mA drive eliminates need for external buffer. |
| Active Filter for Communication Receiver | Low-Power Instrumentation Signal Chain |
Use Scenario: 4th-order Butterworth bandpass filter (10–50MHz) in LTE receiver IF stage. IC Role / Device Role / Timing Role: Dual op-amp implementing two 2nd-order sections; one LT1816IMS8#PBF per section for gain and Q control. Use Value: 220MHz GBW supports sharp roll-off beyond passband; 75dB CMRR rejects local oscillator feedthrough. | Use Scenario: Battery-powered portable oscilloscope front-end with selectable gain and bandwidth. IC Role / Device Role / Timing Role: Dual amplifier: one as programmable-gain stage (ISET-controlled), second as DC-coupled offset adjust. Use Value: ISET pin enables real-time trade-off between 220MHz BW (6.5mA) and 50MHz BW (1.0mA) to extend battery life during low-speed capture. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual high-speed op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4897-2ARMZ | Lower noise (4nV/√Hz), lower supply current (3.5mA), but only 200MHz GBW and no ISET pin | Lacks programmable current; better for fixed-low-power, ultra-low-noise designs where bandwidth margin is acceptable | Select when lowest possible noise dominates over programmability and maximum bandwidth |
| LMH6629MA/NOPB | Higher slew rate (3000V/µs), higher supply current (12.5mA), no ISET, SO-8 package only | Not pin-compatible; requires layout change; suited for highest-speed pulse applications where power is secondary | Select when absolute speed (sub-10ns settling) is mandatory and thermal/power constraints allow |
Compared with ADA4897-2ARMZ and LMH6629MA/NOPB, the LT1816IMS8#PBF uniquely balances programmable bandwidth, 220MHz top-end performance, and 8-lead MSOP compactness-making it optimal for space-constrained, thermally sensitive dual-channel systems requiring runtime power/bandwidth tuning.
Availability
LT1816IMS8#PBF is available at Aetrix Electronics and suitable for video line drivers, high-speed data acquisition front-ends, and active filters requiring stable component supply across industrial temperature ranges.
Supply support for LT1816IMS8#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. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, formed through the acquisition of Linear Technology in 2017.
The LT1815/LT1816/LT1817 family was designed for high-fidelity, wideband signal conditioning in instrumentation, communications, and video systems where speed, precision, and power efficiency must coexist.
FAQ
What is the operating temperature range for LT1816IMS8#PBF?
The LT1816IMS8#PBF is specified for operation from –40°C to +85°C and is tested across this full industrial temperature range. Its electrical parameters-including input offset voltage (≤2.0mV), slew rate (≥750V/µs), and supply current (6.5mA typical)-are guaranteed over this range, making it suitable for harsh-environment deployments where thermal stability is critical.
Does LT1816IMS8#PBF support single-supply operation?
Yes, LT1816IMS8#PBF supports true single-supply operation from 2.5V to 5V. With a 5V supply and output loaded to 2.5V, it delivers a 1V to 4V output swing. Input common-mode range extends from 0.9V to 4.1V, allowing DC-coupled interfacing to microcontrollers and ADCs without level-shifting circuitry.
How does the ISET pin function on LT1816IMS8#PBF?
The ISET pin on LT1816IMS8#PBF enables resistor-programmable supply current per amplifier. Connecting ISET to V– via a resistor (0–40kΩ) scales supply current from 1.0mA (low-power mode) to 6.5mA (full speed), proportionally adjusting gain-bandwidth product from 25MHz to 220MHz. No external components are needed for full-speed operation-just tie ISET to V– with ≤75Ω.
What is the maximum capacitive load LT1816IMS8#PBF can drive stably?
LT1816IMS8#PBF is stable driving up to 10pF in unity-gain configuration. For larger capacitive loads (e.g., ADC input capacitance + PCB trace), a 10Ω–50Ω isolation resistor must be placed in series with the output. This preserves phase margin while maintaining signal integrity-verified by stability testing with 100pF loads and appropriate feedback network compensation.
Is LT1816IMS8#PBF pin-compatible with other packages in the LT1815/LT1816/LT1817 family?
No-LT1816IMS8#PBF in MSOP-8 is not pin-compatible with SO-8 (e.g., LT1816IS8#PBF) or DFN-8 (LT1816IDD#PBF) variants. While all share identical pin functions (OUT A, –IN A, +IN A, V–, V+, OUT B, –IN B, +IN B), the MSOP-8 has different thermal pad connection (tied to V–), smaller footprint, and distinct solder reflow profile requirements. Layout redesign is required for package substitution.
LT1816IMS8#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:
- Voltage Feedback
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 1500V/µs
- Gain Bandwidth Product:
- 220 MHz
- -3db Bandwidth:
- 350 MHz
- Current - Input Bias:
- 2 µA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 6.5mA (x2 Channels)
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 2.5 V
- Voltage - Supply Span (Max):
- 11 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-MSOP
LT1816IMS8#PBF FAQ
1.How can I place an order for LT1816IMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1816IMS8#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 LT1816IMS8#PBF reliable?
The price and inventory of LT1816IMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1816IMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT1816IMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1816IMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1816IMS8#PBF?
LT1816IMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1816IMS8#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 LT1816IMS8#PBF?
For technical support, including LT1816IMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1816IMS8#PBF requirements.
6.How does Aetrix verify that LT1816IMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1816IMS8#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 LT1816IMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT1816IMS8#PBF?
All LT1816IMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1816IMS8#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 LT1816IMS8#PBF part is unused and in its original packaging.
Return procedure for LT1816IMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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