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Analog Devices Inc. LT1367CS#PBF
- Part No.:
- LT1367CS#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1367CS#PBF.pdf
- Description:
- IC OPAMP GP 4 CIRCUIT 14SO
- Quantity:
- Payment:
- Shipping:
Inventory:2,233
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Product details
Overview
LT1367CS#PBF from Analog Devices (formerly Linear Technology) is a quad precision rail-to-rail input and output operational amplifier in a 14-lead SOIC package. It operates from 1.8V single supply to ±15V dual supply, delivers 400kHz gain-bandwidth, 0.13V/µs slew rate, 150µV typical input offset voltage, and maintains 90dB common-mode rejection across full rail-to-rail input range - enabling high-accuracy signal conditioning in low-voltage sensor interfaces and A/D driver circuits.
For engineers reviewing the LT1367CS#PBF datasheet, LT1367CS#PBF pinout, LT1367CS#PBF application, or LT1367CS#PBF equivalent, key selection criteria include its 0pF–1000pF capacitive load stability (conventional compensation), quad-channel layout with standard SO-14 pinout, rail-to-rail output swing within 12mV of rails at 0.5mA, and guaranteed 800µV max input offset voltage over 0°C to 70°C.
Technical Context
The LT1367CS#PBF uses a dual-input-stage architecture: PNP and NPN differential pairs that auto-switch based on common-mode voltage, enabling true rail-to-rail input operation without clamps. Its complementary Darlington output stage delivers rail-to-rail output swing while maintaining low output impedance at high frequencies via internal local feedback capacitors.
Unlike the LT1369 (which requires 0.1µF output capacitor for enhanced PSRR), the LT1367CS#PBF employs conventional internal compensation, ensuring unconditional stability with capacitive loads ≤1000pF - making it suitable for direct-drive applications without external compensation components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Range | 1.8V to ±15V - supports battery-powered and industrial dual-supply systems without level-shifting. |
| Gain-Bandwidth Product | 400kHz at AV = 1000 - enables stable unity-gain buffer and low-frequency instrumentation amplifiers. |
| Slew Rate | 0.13V/µs - sufficient for 10kHz full-scale sine wave at 2Vpp without distortion. |
| Input Offset Voltage (max) | 800µV at 25°C, 950µV over 0°C–70°C - ensures <0.02% error in 4.096V reference-based 12-bit ADC front-ends. |
| CMRR | 90dB over full rail-to-rail input range - rejects supply noise and ground bounce in mixed-signal PCB layouts. |
| Output Swing (low) | 12mV above V– at 0.5mA sink - allows accurate zero-crossing detection and single-supply transimpedance amplification. |
| Supply Current per Amp | 375µA typical - enables four-channel precision amplification in sub-2mA total system power budgets. |
Pinout & Package
LT1367CS#PBF is housed in a 14-lead plastic SOIC (S package) with standard quad op amp pinout and θJA = 150°C/W thermal resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT A | Amplifier A output - drives loads up to 30mA, swings rail-to-rail. |
| 2 | –IN A | Inverting input of Amp A - high-impedance node (12pF input capacitance) for feedback networks. |
| 3 | +IN A | Non-inverting input of Amp A - accepts signals from V– to V+ with no phase reversal. |
| 4 | V+ | Positive supply rail - shared by all four amplifiers; decoupling required near pin. |
| 5 | +IN B | Non-inverting input of Amp B - electrically isolated from Amp A inputs; matched bias current. |
| 6 | –IN B | Inverting input of Amp B - identical input structure to Pin 2; supports channel-matched configurations. |
| 7 | OUT B | Amplifier B output - independent output stage; no crosstalk with OUT A under 120dB channel separation. |
| 8 | OUT D | Amplifier D output - Pin 8 is OUT D (not ground); confirms non-standard SO-14 quad mapping. |
| 9 | –IN D | Inverting input of Amp D - matches Pin 2/6 electrical characteristics for multi-channel calibration. |
| 10 | +IN D | Non-inverting input of Amp D - supports synchronous 4-channel sensor readout with matched VOS drift. |
| 11 | V– | Negative supply rail - return path for all amplifiers; must be low-impedance for rail-to-rail operation. |
| 12 | +IN C | Non-inverting input of Amp C - completes quad set; enables 4× single-ended or 2× differential configurations. |
| 13 | –IN C | Inverting input of Amp C - matched to other inverting inputs; supports common-mode rejection in 4-op-amp filters. |
| 14 | OUT C | Amplifier C output - fully buffered output; capable of driving 10kΩ loads with <0.001% THD+N at 1kHz. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input and output | Operates with input common-mode range from V– to V+ and output swing within 12mV of either rail at 0.5mA - eliminates level-shifting in 3.3V microcontroller interfaces. |
| Low input offset voltage drift | 2µV/°C typical - ensures <1.4µV offset change over 0°C–70°C ambient, critical for uncalibrated temperature sensor amplifiers. |
| High channel-to-channel matching | 250µV max input offset match between A/D and B/C pairs - enables precise 4-channel difference measurements without per-channel trimming. |
| Stable with capacitive loads ≤1000pF | No external compensation required - simplifies layout for piezoelectric sensor buffers and long-cable-driven outputs. |
| ESD protection | 4kV HBM on all pins - withstands handling and board-level ESD events without latch-up or parameter shift. |
Applications
| Instrumentation Signal Conditioning | Low-Voltage Sensor Interface |
|---|---|
Use Scenario: Amplifying mV-level thermocouple or strain gauge outputs in portable data loggers with 3.3V supply. IC Role / Device Role / Timing Role: Precision DC-coupled gain stage with rail-to-rail input to capture full sensor range and rail-to-rail output to maximize ADC dynamic range. Use Value: 150µV typical VOS and 90dB CMRR enable <0.1°C resolution in Type-K thermocouple systems without cold-junction compensation trimming. | Use Scenario: Buffering 0–2.5V output from MEMS pressure sensors in battery-powered IoT nodes. IC Role / Device Role / Timing Role: Unity-gain voltage follower isolating high-impedance sensor from ADC input capacitance. Use Value: 12pF input capacitance and 375µA supply current allow direct connection to 12-bit SAR ADCs while extending battery life beyond 5 years. |
| Supply Current Sensing | ADC Driver for Precision Data Acquisition |
Use Scenario: Measuring bidirectional motor phase current in 24V industrial drives using shunt resistors. IC Role / Device Role / Timing Role: High-side and low-side current sense amplifier with rail-to-rail input accepting common-mode voltages from 0V to 24V. Use Value: Input common-mode range including both rails enables single-supply sensing at either rail without level translators or dual supplies. | Use Scenario: Driving 16-bit successive approximation ADC inputs in medical ECG front-ends. IC Role / Device Role / Timing Role: Low-noise, low-distortion buffer with 29nV/√Hz input voltage noise and <0.001% THD+N at 1kHz. Use Value: 0.13V/µs slew rate settles 4V step to 0.1% in 30µs, meeting timing requirements of 100ksps ADCs without acquisition delay. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad precision rail-to-rail op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1369CS#PBF | Requires 0.1µF output capacitor for stability; offers higher PSRR (105dB vs 100dB) and lower high-frequency output impedance. | Better suited for noisy switching supply environments and high-resolution ADC drivers where supply ripple rejection is critical. | Select LT1369CS#PBF when PSRR >100dB at 50kHz is required and external capacitor placement is acceptable. |
| OP4177ARZ | Lower VOS (60µV max), lower noise (8nV/√Hz), but not rail-to-rail input; supply range limited to ±15V only. | Preferred for ultra-precision DC applications like weigh scales, but incompatible with single-supply or rail-to-rail input designs. | Choose OP4177ARZ only for dual-supply, low-noise, sub-100µV VOS requirements where input range >±13V suffices. |
Compared with LT1369CS#PBF, LT1367CS#PBF trades PSRR and high-frequency output impedance for unconditional capacitive-load stability and simpler layout; versus OP4177ARZ, it sacrifices absolute precision and noise performance for rail-to-rail operation and wider supply flexibility - making LT1367CS#PBF optimal for cost-sensitive, single-supply, medium-precision sensor signal chains.
Availability
LT1367CS#PBF is available at Aetrix Electronics and suitable for instrumentation signal conditioning, low-voltage sensor interfaces, and supply current sensing requiring stable component supply and long-term manufacturability.
Supply support for LT1367CS#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. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.
The LT1367CS#PBF belongs to Linear's precision rail-to-rail op amp family, designed specifically for DC-critical, low-power, wide-supply applications in portable instrumentation, industrial process control, and medical sensor front-ends.
FAQ
What is the maximum capacitive load the LT1367CS#PBF can drive without oscillation?
The LT1367CS#PBF is internally compensated for unconditional stability with capacitive loads up to 1000pF. This eliminates the need for external compensation networks in most sensor buffering and ADC driving applications. Loads exceeding 1000pF require isolation resistors or alternative op amps such as the LT1369CS#PBF with external 0.1µF capacitor.
Does the LT1367CS#PBF support true rail-to-rail input common-mode range?
Yes, the LT1367CS#PBF accepts input voltages from V– to V+ inclusive, verified across its full operating temperature range (0°C to 70°C). This is achieved via dual PNP/NPN input stages that auto-switch based on common-mode voltage - enabling accurate signal capture in single-supply systems where traditional op amps would clip near the rails.
What is the guaranteed input offset voltage specification for LT1367CS#PBF over temperature?
The LT1367CS#PBF has a maximum input offset voltage of 950µV over the 0°C to 70°C operating temperature range, with 200µV typical at 25°C. Its input offset voltage drift is specified at 2µV/°C typical, ensuring predictable performance in thermally varying environments without recalibration.
Can LT1367CS#PBF operate from a 1.8V single supply?
Yes, the LT1367CS#PBF is fully specified down to 1.8V single supply (3.6V total), delivering rail-to-rail input/output operation, 375µA supply current per amplifier, and 400kHz gain-bandwidth. This makes it suitable for ultra-low-power applications such as coin-cell-powered environmental sensors and wearable health monitors.
How does LT1367CS#PBF differ from LT1369CS#PBF in terms of compensation and application suitability?
The LT1367CS#PBF uses conventional internal compensation and is stable with capacitive loads ≤1000pF, while the LT1369CS#PBF requires a 0.1µF output capacitor to achieve higher PSRR and lower high-frequency output impedance. Choose LT1367CS#PBF for simplicity and direct-drive applications; select LT1369CS#PBF when driving high-resolution ADCs in electrically noisy environments with switching regulators.
LT1367CS#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 4
- Output Type:
- Rail-to-Rail
- Slew Rate:
- 0.13V/µs
- Gain Bandwidth Product:
- 400 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 10 nA
- Voltage - Input Offset:
- 200 µV
- Current - Supply:
- 370µA (x4 Channels)
- Current - Output / Channel:
- 75 mA
- Voltage - Supply Span (Min):
- 1.8 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SO
LT1367CS#PBF FAQ
1.How can I place an order for LT1367CS#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1367CS#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 LT1367CS#PBF reliable?
The price and inventory of LT1367CS#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1367CS#PBF is usually 5 days.
3.What payment methods are accepted for LT1367CS#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1367CS#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1367CS#PBF?
LT1367CS#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1367CS#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 LT1367CS#PBF?
For technical support, including LT1367CS#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1367CS#PBF requirements.
6.How does Aetrix verify that LT1367CS#PBF is sourced from the original manufacturer or authorized distributors?
All LT1367CS#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 LT1367CS#PBF meets industry standards.
7.What is the process for return or replacement of LT1367CS#PBF?
All LT1367CS#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1367CS#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 LT1367CS#PBF part is unused and in its original packaging.
Return procedure for LT1367CS#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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