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Analog Devices Inc. LT1352IS8#PBF
- Part No.:
- LT1352IS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1352IS8#PBF.pdf
- Description:
- IC VOLTAGE FEEDBACK 2 CIRC 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:1,118
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Product details
Overview
LT1352IS8#PBF from Analog Devices (formerly Linear Technology) is a dual, rail-to-rail input, high-speed operational amplifier optimized for low-power, wideband signal conditioning in ±2.5V to ±15V supplies. It delivers 3MHz gain bandwidth, 200V/µs slew rate, and 250µA per amplifier supply current, enabling precision buffering and active filtering in battery-powered instrumentation and photodiode front-ends.
For engineers reviewing the LT1352IS8#PBF datasheet, LT1352IS8#PBF pinout, LT1352IS8#PBF application, or LT1352IS8#PBF equivalent, key selection criteria include guaranteed –40°C to +85°C operation, C-Load™ stability with any capacitive load, unity-gain stability, and verified 600µV max input offset voltage at ±15V.
Technical Context
The LT1352IS8#PBF employs a proprietary complementary bipolar topology that merges voltage-feedback precision with current-feedback slewing behavior. Its input stage uses matched NPN/PNP emitter followers for bias-current cancellation, while the high-impedance gain node is driven by a 1kΩ input resistor and compensated by CT, enabling both high DC gain (>30V/mV into 2kΩ) and fast large-signal response (700ns to 0.1% on 10V step).
Stability across all capacitive loads is achieved via an internal bootstrapped RC/CC network across the output stage, which dynamically adds phase-margin compensation under heavy capacitive loading without requiring external components. The device maintains ≥99dB channel separation and ≥76dB CMRR over its full industrial temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 3.0 MHz at ±15V - supports stable closed-loop designs up to 300kHz with gain of 10. |
| Slew Rate | 200 V/µs at ±15V - ensures undistorted 10Vpp output at >3MHz (full-power bandwidth). |
| Supply Current per Amp | 380 µA max at –40°C to +85°C - enables dual-channel amplification in ultra-low-power systems. |
| Input Offset Voltage | 1.0 mV max at –40°C to +85°C - guarantees <0.5 LSB error in 12-bit DAC I-to-V applications with 5kΩ source resistance. |
| Output Swing into 1kΩ | ±10.0 V min at ±15V - delivers 20Vpp dynamic range driving moderate loads without clipping. |
| Input Noise Voltage | 14 nV/√Hz at 10kHz - preserves SNR in low-level sensor signal chains like photodiode preamps. |
| Settling Time (0.1%) | 700 ns for 10V step - meets timing requirements in fast data acquisition sampling hold circuits. |
Pinout & Package
LT1352IS8#PBF is housed in an 8-lead plastic SO (Small Outline) package (S8), with 1.27mm pitch, JEDEC MS-012AC compliant footprint, and thermal resistance θJA = 190°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT A) | Amplifier A Output | Capable of sourcing/sinking 10mA into 1kΩ; drives capacitive loads directly without oscillation. |
| 2 (–IN A) | Inverting Input A | Differential input voltage rating ±10V transient; requires balanced source impedance for minimal offset current error. |
| 3 (+IN A) | Non-inverting Input A | High-impedance (≥300MΩ differential, ≥600MΩ common-mode); base of complementary NPN/PNP pair. |
| 4 (V–) | Negative Supply Rail | Connects to system ground or negative supply; must be bypassed with 0.01–0.1µF RF capacitor near pin. |
| 5 (V+) | Positive Supply Rail | Accepts ±2.5V to ±15V total supply; supports single-supply operation down to 5V total (2.5V/2.5V). |
| 6 (OUT B) | Amplifier B Output | Electrically isolated from OUT A; channel separation ≥99dB prevents crosstalk in dual-path signal processing. |
| 7 (–IN B) | Inverting Input B | Functionally identical to Pin 2; independent bias current path ensures dual-channel DC accuracy. |
| 8 (+IN B) | Non-inverting Input B | Matches Pin 3 performance; enables true dual-channel instrumentation with matched AC/DC specs. |
Key Features
| Feature | Design Value |
|---|---|
| C-Load™ Stability | Drives any capacitive load (including 10,000pF) without external compensation or peaking-eliminates layout sensitivity in filter and cable-drive applications. |
| Unity-Gain Stable | Operates reliably at gain = 1 without feedback capacitor or gain-setting resistor restrictions-simplifies buffer design. |
| Wide Supply Range | Functions from ±2.5V to ±15V (5V to 30V total), supporting both low-voltage portable systems and industrial ±15V signal chains. |
| Industrial Temp Grade | Guaranteed performance from –40°C to +85°C (I-grade), including 1.0mV max VOS, 50nA max IOS, and 3.0MHz GBW-no derating required. |
| Low Input Bias Current | Max 100nA over temperature-enables high-impedance sensor interfaces (e.g., pH electrodes, piezoelectric transducers) without significant DC error. |
Applications
| Battery-Powered Instrumentation | Photodiode Preamp |
|---|---|
Use Scenario: Portable gas analyzer using electrochemical sensors with µV-level output signals conditioned before 12-bit ADC sampling. IC Role / Device Role / Timing Role: Dual-channel precision amplifier providing low-noise, low-drift gain and filtering; one channel for sensor signal, one for reference compensation. Use Value: 14nV/√Hz input noise and 1.0mV max VOS preserve measurement resolution; 250µA per amp extends battery life beyond 100 hours on two AA cells. | Use Scenario: High-speed optical encoder with BPV22NF photodiode generating 100ns pulses at 400kHz repetition rate. IC Role / Device Role / Timing Role: Transimpedance amplifier (TIA) converting photodiode current to voltage with 10kHz high-pass loop for ambient light rejection. Use Value: 200V/µs slew rate resolves 100ns edges cleanly; C-Load™ stability allows direct connection to long PCB traces or coaxial cables without ringing. |
| Active Filter for Data Acquisition | DAC Output Buffer |
Use Scenario: 20kHz 4th-order Butterworth anti-aliasing filter preceding a 1MSPS SAR ADC in industrial PLC analog input module. IC Role / Device Role / Timing Role: Dual op-amp implementing biquad sections with precise pole placement; each LT1352IS8#PBF handles one 2-pole stage. Use Value: 3MHz GBW ensures <0.1dB passband flatness to 20kHz; 700ns settling time aligns with 1µs ADC aperture window. | Use Scenario: Precision 12-bit DAC (e.g., LTC2600) driving a 5kΩ load in automated test equipment requiring <0.5LSB linearity error. IC Role / Device Role / Timing Role: Unity-gain output buffer isolating DAC core from load variations and ensuring monotonicity. Use Value: 600µV max VOS and 15nA max IOS limit total unadjusted error to <0.4LSB; rail-to-rail input accommodates DAC's 0–2.5V output swing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1352CS8#PBF | Same die, commercial grade (0°C to 70°C); 0.8mV max VOS at 25°C vs 1.0mV for I-grade. | Not qualified for extended temperature environments; unsuitable for outdoor or automotive under-hood use. | Select only for cost-sensitive, indoor, room-temperature applications where full industrial temp range is unnecessary. |
| OPA2350UA/2K5 | Rail-to-rail I/O, 38MHz GBW, 22V/µs slew, 5.5mA supply current; CMOS input (0.2pA IB), higher power. | Superior bandwidth and input impedance but 22× higher supply current; not C-Load™ stable-requires careful layout for >100pF loads. | Choose when ultra-low input bias or >10MHz bandwidth is critical; avoid if low power or robust capacitive drive is required. |
Compared with LT1352CS8#PBF, the LT1352IS8#PBF provides guaranteed –40°C to +85°C operation and tighter VOS spec over temperature, making it essential for field-deployed equipment; versus OPA2350UA, it trades bandwidth and input impedance for 22× lower quiescent power and unconditional capacitive-load stability-critical for ruggedized, battery-operated systems.
Availability
LT1352IS8#PBF is available at Aetrix Electronics and suitable for battery-powered instrumentation, photodiode preamplifiers, active filters for data acquisition, and DAC output buffering requiring stable component supply across industrial temperature ranges.
Supply support for LT1352IS8#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 LT1352IS8#PBF belongs to ADI's legacy Linear Technology precision op-amp portfolio, engineered specifically for low-power, high-speed signal conditioning in demanding industrial, instrumentation, and medical applications where DC accuracy, AC performance, and robustness coexist.
FAQ
What is the maximum operating temperature range guaranteed for the LT1352IS8#PBF?
The LT1352IS8#PBF is an industrial-grade part with performance guaranteed from –40°C to +85°C. All electrical specifications-including input offset voltage (1.0mV max), slew rate (50V/µs min), and gain bandwidth (1.6MHz min)-are tested and warranted across this full range, unlike commercial variants such as LT1352CS8#PBF which are only specified from 0°C to 70°C.
Does the LT1352IS8#PBF require external compensation when driving capacitive loads?
No, the LT1352IS8#PBF features C-Load™ technology and is unconditionally stable with any capacitive load, including 10,000pF. Its internal bootstrapped RC/CC network automatically adjusts phase margin under capacitive loading-no external compensation capacitor or resistor is needed, simplifying PCB layout and eliminating risk of oscillation in filter, cable-drive, or ADC-buffer applications.
What is the typical supply current per amplifier for the LT1352IS8#PBF at ±5V supply?
At ±5V supply and 25°C, the LT1352IS8#PBF draws 230µA to 300µA per amplifier (typical 250µA). Over the full –40°C to +85°C range, supply current rises to a maximum of 350µA per amplifier, enabling dual-channel operation below 700µA total-ideal for energy-constrained portable devices.
Can the LT1352IS8#PBF be used in single-supply configurations?
Yes, the LT1352IS8#PBF supports single-supply operation with total supply voltages from 5V to 30V (e.g., 0V/5V, 0V/12V, or 0V/24V). Its rail-to-rail input stage accepts common-mode voltages from 0.5V below V– to 1.0V below V+, and output swings to within 1.2V of each rail into 5kΩ-making it suitable for 3.3V or 5V microcontroller-based signal chains.
What is the minimum load resistance the LT1352IS8#PBF can drive while maintaining ±3.4V output swing at ±5V supply?
At ±5V supply, the LT1352IS8#PBF guarantees ±3.4V minimum output swing into a 500Ω load. This is verified across temperature and ensures usable 6.8Vpp dynamic range for driving moderate-impedance loads such as transmission lines, ADC input networks, or relay drivers without external buffers.
LT1352IS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 200V/µs
- Gain Bandwidth Product:
- 3 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 20 nA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 250µA (x2 Channels)
- Current - Output / Channel:
- 14 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO
LT1352IS8#PBF FAQ
1.How can I place an order for LT1352IS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1352IS8#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 LT1352IS8#PBF reliable?
The price and inventory of LT1352IS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1352IS8#PBF is usually 5 days.
3.What payment methods are accepted for LT1352IS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1352IS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1352IS8#PBF?
LT1352IS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1352IS8#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 LT1352IS8#PBF?
For technical support, including LT1352IS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1352IS8#PBF requirements.
6.How does Aetrix verify that LT1352IS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1352IS8#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 LT1352IS8#PBF meets industry standards.
7.What is the process for return or replacement of LT1352IS8#PBF?
All LT1352IS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1352IS8#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 LT1352IS8#PBF part is unused and in its original packaging.
Return procedure for LT1352IS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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