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Analog Devices Inc. LT1352IN8#PBF
- Part No.:
- LT1352IN8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
LT1352IN8#PBF.pdf
- Description:
- IC VOLTAGE FEEDBACK 2 CIRC 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:3,862
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Product details
Overview
LT1352IN8#PBF from Analog Devices (formerly Linear Technology) is a dual, high-speed, low-power operational amplifier in an 8-lead PDIP package. It delivers 3MHz gain bandwidth, 200V/µs slew rate, and 250µA supply current per amplifier at ±15V, enabling precision wideband signal conditioning in battery-powered instrumentation and photodiode preamplifiers.
For engineers reviewing the LT1352IN8#PBF datasheet, LT1352IN8#PBF pinout, LT1352IN8#PBF application, or LT1352IN8#PBF equivalent, key selection considerations include guaranteed –40°C to +85°C operation, C-Load™ stability with all capacitive loads, input offset voltage ≤1.0mV over temperature, and ±13V output swing into 1kΩ on ±15V supplies.
Technical Context
The LT1352IN8#PBF employs a proprietary voltage-feedback topology with current-feedback slewing behavior, using complementary bipolar processing to achieve high slew rate without sacrificing DC precision. Its input stage integrates matched NPN/PNP emitter followers for first-order bias current cancellation and supports ±10V transient differential inputs.
Stability is ensured across all capacitive loads via an internal RC/CC bootstrapped compensation network that dynamically adds phase margin under heavy capacitive loading. The amplifier remains unity-gain stable and drives 500Ω loads to ±3.4V on ±5V supplies while maintaining 700ns settling to 0.1% for a 10V step.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 3.0 MHz at ±15V - enables stable closed-loop designs up to ~2.5 MHz with moderate noise gain. |
| Slew Rate | 200 V/µs at ±15V - ensures full-power bandwidth of 3.2 MHz for 10V peak signals without distortion. |
| Input Offset Voltage | ≤1.0 mV (–40°C to +85°C) - supports sub-LSB accuracy in 12-bit DAC I-to-V converters with 5kΩ feedback. |
| Supply Current per Amp | 380 µA max at –40°C to +85°C - enables dual-channel amplification in ultra-low-power portable systems. |
| Output Swing | ±10.0 V into 1kΩ at –40°C to +85°C on ±15V - maintains dynamic range for rail-to-rail-sensing applications. |
| Input Noise Voltage | 14 nV/√Hz at 10 kHz - critical for low-noise photodiode and sensor front-end amplification. |
| Channel Separation | 99 dB at ±15V - prevents crosstalk between dual channels in synchronous sampling or differential pair configurations. |
Pinout & Package
LT1352IN8#PBF is housed in an 8-lead plastic DIP (N8) package with 0.300-inch width, JEDEC MS-001 compliant footprint, and through-hole mounting. Thermal resistance θJA = 130°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OUT A | Amplifier A output | Capable of ±10V swing into 1kΩ at full temperature range; drives capacitive loads without external compensation. |
| 2 - –IN A | Inverting input A | Differential input voltage rating ±10V (transient only); accepts balanced source impedances to minimize offset drift. |
| 3 - +IN A | Non-inverting input A | High-impedance node (≥300 MΩ differential, ≥600 MΩ common-mode); supports direct photodiode connection. |
| 4 - V– | Negative supply rail | Connects to system ground or negative rail; 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 with proper level-shifting. |
| 6 - –IN B | Inverting input B | Electrically isolated from Channel A; identical bias current and offset specs enable matched dual-path designs. |
| 7 - +IN B | Non-inverting input B | Independent high-Z input; used for reference buffering or second sensor channel in instrumentation systems. |
| 8 - OUT B | Amplifier B output | Functionally identical to Pin 1; enables dual-channel active filters or differential driver stages without layout coupling. |
Key Features
| Feature | Design Value |
|---|---|
| C-Load™ stability | Guaranteed unity-gain stability driving any capacitive load - eliminates need for external isolation resistors in ADC driver or cable-drive applications. |
| Wide supply range | Operates from ±2.5V to ±15V - supports both low-voltage portable systems and industrial ±15V signal chains without redesign. |
| Low input bias current | Max 100 nA over –40°C to +85°C - minimizes error in high-impedance sensor interfaces (e.g., pH electrodes, piezoelectric transducers). |
| Fast settling time | 1.25 µs to 0.01% for 10V step - meets timing requirements in multiplexed data acquisition systems with >100 kSPS throughput. |
| High PSRR/CMRR | Min 87 dB PSRR and 76 dB CMRR over full temp range - rejects power rail noise and common-mode interference in noisy industrial environments. |
Applications
| Battery-Powered Instrumentation | Photodiode Preamp |
|---|---|
|
Use Scenario: Portable gas analyzer with microcontroller-based signal chain and 12-bit SAR ADC. IC Role / Device Role / Timing Role: Dual-channel transimpedance amplifier converting photocurrent from UV/IR detectors into conditioned voltage for digitization. Use Value: 250µA per amp enables >100-hour battery life; 14nV/√Hz noise preserves SNR for ppm-level concentration detection. |
Use Scenario: Optical smoke detector with BPV22NF photodiode and 400kHz modulation. IC Role / Device Role / Timing Role: AC-coupled transimpedance amplifier with 10kHz high-pass loop to reject ambient light interference. Use Value: 200V/µs slew rate handles fast pulse edges; C-Load™ stability avoids oscillation with PCB trace capacitance. |
| Active Filter Bank | Data Acquisition Front-End |
|
Use Scenario: 20kHz 4th-order Butterworth anti-aliasing filter in medical ECG monitor. IC Role / Device Role / Timing Role: Dual op-amp implementing biquad sections with precise pole placement via 0.1% resistor matching. Use Value: Guaranteed 1.0mV VOS over temperature ensures <0.5 LSB error at 12-bit resolution; 3MHz GBW supports filter Q > 5. |
Use Scenario: Industrial PLC analog input module with multiplexed 16-channel ±10V sensing. IC Role / Device Role / Timing Role: Buffer and level-shifter between multiplexer output and successive-approximation ADC sample-and-hold. Use Value: 700ns 0.1% settling allows full-scale step transitions within 1µs window; ±13V swing accommodates overvoltage protection headroom. |
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 |
|---|---|---|---|
| LT1352CS8#PBF | Same die, SO-8 package; θJA = 190°C/W vs 130°C/W for N8; no lead-forming required. | Preferred for automated SMT assembly; less suitable for prototyping or through-hole test fixtures. | Select LT1352CS8#PBF for volume production PCBs; retain LT1352IN8#PBF for breadboarding or legacy through-hole designs. |
| LT1351CN8#PBF | Single-channel version; includes shutdown pin (IQ < 1µA off); 2.5MHz GBW, 150V/µs slew rate. | Used where channel count or power gating is prioritized over dual-channel integration. | Choose LT1351CN8#PBF when system requires independent channel enable/disable or space-constrained single-amplifier nodes. |
Compared with LT1352CS8#PBF and LT1351CN8#PBF, the LT1352IN8#PBF offers the only through-hole dual op-amp variant with guaranteed industrial temperature operation and identical AC/DC performance - making it essential for lab-grade test equipment and mixed-technology boards requiring manual assembly.
Availability
LT1352IN8#PBF is available at Aetrix Electronics and suitable for battery-powered instrumentation, photodiode preamplifiers, active filter banks, and data acquisition front-ends requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for LT1352IN8#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, inheriting its legacy of high-performance analog ICs designed for precision, speed, and robustness in demanding applications.
The LT1352IN8#PBF belongs to Linear's C-Load™ op-amp family, engineered specifically for wideband, low-power signal conditioning where stability with real-world capacitive loads and guaranteed industrial temperature performance are mandatory.
FAQ
What is the maximum operating temperature range for LT1352IN8#PBF?
The LT1352IN8#PBF is specified and guaranteed to operate from –40°C to +85°C. This industrial temperature grade is explicitly confirmed in the datasheet's "ELECTRICAL CHARACTERISTICS" table footnote 7, distinguishing it from the commercial-grade LT1352CN8. The device's thermal design (θJA = 130°C/W) supports reliable operation within this range when power dissipation is managed per the application notes.
Does LT1352IN8#PBF require external compensation for capacitive loads?
No, the LT1352IN8#PBF does not require external compensation for any capacitive load. Its internal C-Load™ architecture uses a bootstrapped RC/CC network that dynamically adjusts phase margin under capacitive loading, ensuring unity-gain stability even with 10,000pF loads. This is verified in the "Capacitive Load Handling" and "Frequency Response vs Capacitive Load" graphs in the datasheet.
What is the typical input bias current of LT1352IN8#PBF at 25°C?
The typical input bias current of LT1352IN8#PBF at 25°C is 20 nA, with a maximum of 50 nA across ±2.5V to ±15V supplies. At full industrial temperature range (–40°C to +85°C), the maximum rises to 100 nA. This low bias current results from complementary NPN/PNP input stage cancellation and is critical for high-impedance sensor interfacing.
Can LT1352IN8#PBF drive a 500Ω load effectively?
Yes, the LT1352IN8#PBF can drive a 500Ω load to ±3.4V on ±5V supplies and ±13V on ±15V supplies, as confirmed in the "Output Swing" specifications. At –40°C to +85°C, minimum output swing into 500Ω is ±3.2V on ±5V, supporting robust interface to legacy logic families and low-impedance transmission lines without external buffers.
Is LT1352IN8#PBF pin-compatible with other dual op-amps in PDIP-8 packages?
The LT1352IN8#PBF follows the standard dual op-amp PDIP-8 pinout (OUT A, –IN A, +IN A, V–, V+, –IN B, +IN B, OUT B), matching industry conventions such as the LM358 and TL072. However, electrical characteristics (slew rate, noise, supply current) differ significantly - direct substitution requires validation of bandwidth, settling, and load-driving requirements in the target circuit.
LT1352IN8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- 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:
- Through Hole
- Supplier Device Package:
- 8-PDIP
LT1352IN8#PBF FAQ
1.How can I place an order for LT1352IN8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1352IN8#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 LT1352IN8#PBF reliable?
The price and inventory of LT1352IN8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1352IN8#PBF is usually 5 days.
3.What payment methods are accepted for LT1352IN8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1352IN8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1352IN8#PBF?
LT1352IN8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1352IN8#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 LT1352IN8#PBF?
For technical support, including LT1352IN8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1352IN8#PBF requirements.
6.How does Aetrix verify that LT1352IN8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1352IN8#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 LT1352IN8#PBF meets industry standards.
7.What is the process for return or replacement of LT1352IN8#PBF?
All LT1352IN8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1352IN8#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 LT1352IN8#PBF part is unused and in its original packaging.
Return procedure for LT1352IN8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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