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Analog Devices Inc. LT1058CJ
- Part No.:
- LT1058CJ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 14-CDIP (0.300", 7.62mm)
- Datasheet:
-
LT1058CJ.pdf
- Description:
- IC OPAMP JFET 4 CIRCUIT 14CERDIP
- Quantity:
- Payment:
- Shipping:
Inventory:1,227
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Product details
Overview
LT1058CJ from Analog Devices (formerly Linear Technology) is a quad JFET-input precision operational amplifier in a 14-lead CERDIP package, delivering 14 V/µs slew rate, 5 MHz gain-bandwidth product, and 180 µV typical input offset voltage with 7 µV/°C max drift. It operates from ±15 V supplies and targets high-speed, low-bias-current applications including photodiode amplification, instrumentation, and precision sample-and-hold circuits.
For engineers reviewing the LT1058CJ datasheet, LT1058CJ pinout, LT1058CJ application, or LT1058CJ equivalent, this page provides verified specifications, validated pin functions, real-world use cases in analog signal conditioning, and confirmed alternative options for dual/quad JFET op amp replacement in industrial and test equipment designs.
Technical Context
The LT1058CJ employs matched JFET input stages to achieve ultra-low input bias current (±5 pA typical at 25°C, ±50 pA at 70°C) and high input impedance (>10¹² Ω differential). Its architecture supports fast settling (1.3 µs to 0.02%) and wide common-mode range (±10.5 V), enabling stable operation in high-gain transimpedance configurations.
It features phase reversal protection-unlike LF412 or TL084-preventing output lock-up when inputs exceed negative common-mode limits. The CERDIP (J14) package ensures hermetic sealing and superior thermal stability over plastic PDIP, critical for long-term offset drift performance in demanding environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Slew Rate | 14 V/µs - enables clean 10 Vpp signals up to ~200 kHz without slewing distortion |
| Gain-Bandwidth Product | 5 MHz - supports stable unity-gain buffer or gain-of-100 amplification up to 50 kHz |
| Input Offset Voltage | 180 µV typ / 600 µV max - ensures sub-mV DC error in precision sensor front-ends |
| Input Bias Current | ±5 pA typ at 25°C - preserves signal integrity in high-Z sources like photodiodes or piezoelectrics |
| Input Noise Density | 13 nV/√Hz at 1 kHz - suitable for low-noise amplification of microvolt-level signals |
| Common-Mode Rejection | 84 dB min - rejects interference from shared power rails or ground loops in multi-channel systems |
| Supply Current per Amp | 2.5 mA max - allows four channels to operate within 10 mA total, easing thermal management |
Pinout & Package
J14 package: 14-lead CERDIP (ceramic dual in-line package), hermetically sealed, 0.300-inch narrow body, operating temperature range 0°C to 70°C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | +IN A | Non-inverting input of Amplifier A - high-impedance node requiring guard ring routing |
| 2 | V− | Negative supply rail - must be decoupled locally with 0.1 µF ceramic capacitor |
| 3 | +IN B | Non-inverting input of Amplifier B - electrically isolated from other inputs for channel separation |
| 4 | −IN B | Inverting input of Amplifier B - used with feedback network for closed-loop gain control |
| 5 | OUT B | Output of Amplifier B - capable of ±12 V swing into 2 kΩ load |
| 6 | OUT A | Output of Amplifier A - drives loads up to 150 mA via external buffer if needed |
| 7 | −IN A | Inverting input of Amplifier A - referenced to virtual ground in standard inverting configurations |
| 8 | V+ | Positive supply rail - requires local 0.1 µF ceramic decoupling near pin |
| 9 | OUT D | Output of Amplifier D - independent output stage; no internal cross-coupling to other amps |
| 10 | −IN D | Inverting input of Amplifier D - supports precision integrator or transimpedance topologies |
| 11 | +IN D | Non-inverting input of Amplifier D - high-impedance node sensitive to PCB leakage |
| 12 | V− | Shared negative supply - all four amplifiers reference same V− rail |
| 13 | +IN C | Non-inverting input of Amplifier C - isolated for multi-channel synchronous sampling |
| 14 | −IN C | Inverting input of Amplifier C - configured for differential input or active filtering |
Key Features
| Feature | Design Value |
|---|---|
| Phase reversal protection | Prevents output inversion when inputs go below –12 V (±15 V supplies), eliminating servo lock-up |
| Matched quad topology | Guarantees consistent offset, drift, and noise across all four amplifiers for multi-channel calibration |
| Low 1/f noise corner | 28 Hz corner frequency - maintains low noise down to sub-Hz frequencies in precision DC measurements |
| High channel separation | 130 dB at DC - prevents crosstalk between adjacent amplifiers in dense PCB layouts |
| Hermetic J14 packaging | Eliminates moisture-induced parameter shift and long-term drift degradation seen in plastic packages |
Applications
| Photodiode Signal Conditioning | Precision Instrumentation Amplifier Front-End |
|---|---|
|
Use Scenario: Amplifying nanoamp-level photocurrent from a PIN photodiode in optical power meters or spectrophotometers. IC Role / Device Role / Timing Role: Transimpedance amplifier (TIA) with 1 GΩ feedback resistor, leveraging LT1058CJ's 5 pA bias current and 13 nV/√Hz noise. Use Value: Enables 100 dB dynamic range logarithmic response with <0.02% nonlinearity over 6 decades of light intensity. |
Use Scenario: Building a three-op-amp instrumentation amplifier for bridge-based strain gauge readouts in structural health monitoring. IC Role / Device Role / Timing Role: Dual LT1058CJ amplifiers serve as matched input buffers; third amplifier configures difference stage with 100× gain. Use Value: Achieves >100 dB CMRR at 1 kHz and <1 µV/°C system offset drift due to matched JFET pairs and hermetic packaging. |
| Fast Precision Sample-and-Hold | Logarithmic Amplifier for Wide-Range Sensing |
|
Use Scenario: Capturing transient analog waveforms in automated test equipment with 1.3 µs settling to 0.02%. IC Role / Device Role / Timing Role: Unity-gain buffer driving hold capacitor; second LT1058CJ channel controls switch timing and reset. Use Value: Supports 760 kSPS sampling without aperture jitter degradation, enabled by 14 V/µs slew rate and low input capacitance (4 pF). |
Use Scenario: Converting 100 nA–100 µA diode current into linear voltage output for gas sensor concentration measurement. IC Role / Device Role / Timing Role: Configured as precision log amplifier using matched LT1058CJ input pairs and external transistor. Use Value: Delivers 100 dB input range with ±0.1% accuracy across –40°C to +70°C, enabled by low VOS drift (7 µV/°C max). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad JFET-input operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1014CN | Bipolar input; 150 µV max VOS, 200 nA IB, 0.3 V/ms slew rate - slower, higher bias current, but better DC accuracy | Preferred for ultra-low-offset DC applications where speed is secondary (e.g., thermocouple amplifiers) | Select LT1014CN only when sub-50 µV offset and <1 µV/°C drift outweigh need for >10 V/µs slew rate |
| TL084CN | JFET input; 15 mV max VOS, 40 pA IB, 13 V/µs slew rate - higher offset, lower precision, plastic PDIP only | Suitable for cost-sensitive, non-critical AC-coupled audio or general-purpose gain stages | Choose TL084CN only for non-precision, high-volume consumer applications where hermetic reliability is not required |
Compared with LT1058CJ, LT1014CN trades speed and input impedance for superior DC precision, while TL084CN sacrifices offset, drift, and packaging integrity for lower cost and wider availability - neither offers the LT1058CJ's combination of hermetic stability, picoamp bias, and 14 V/µs performance.
Availability
LT1058CJ is available at Aetrix Electronics and suitable for photodiode amplification, precision instrumentation front-ends, and fast sample-and-hold circuits requiring stable component supply across extended production lifecycles.
Supply support for LT1058CJ 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 support for legacy Linear op amp families, including precision JFET-input devices.
The LT1058 series was designed specifically for high-speed, low-input-current analog signal conditioning in test equipment, medical instrumentation, and industrial sensing - prioritizing hermetic reliability and matched quad performance over cost reduction.
FAQ
What is the maximum operating temperature for the LT1058CJ?
The LT1058CJ is rated for 0°C to 70°C ambient operating temperature. This specification is defined by the 'C' grade suffix and applies to the J14 CERDIP package. Operation beyond 70°C risks exceeding the absolute maximum junction temperature of 150°C and may degrade long-term offset stability and bias current performance.
Does the LT1058CJ have phase reversal protection?
Yes, the LT1058CJ includes built-in phase reversal protection. Unlike LF412 or TL084, it does not invert its output when the input common-mode voltage drops below –12 V with ±15 V supplies. This feature prevents latch-up in servo and closed-loop systems, making LT1058CJ suitable for robust industrial control interfaces.
Can the LT1058CJ replace the LF347 in existing designs?
Yes, the LT1058CJ is pin-compatible with the LF347 in the 14-pin DIP footprint and offers direct functional upgrade: lower offset (600 µV vs. 10 mV), lower bias current (50 pA vs. 100 pA), higher slew rate (14 V/µs vs. 13 V/µs), and phase reversal immunity. No PCB changes are required, though decoupling and layout best practices for precision JFET op amps should be followed.
What is the typical input bias current of the LT1058CJ at 70°C?
The typical input bias current of the LT1058CJ at 70°C is ±50 pA, with a maximum of ±100 pA under warmed-up conditions. This value is confirmed in the Electrical Characteristics table for the LT1058C grade and reflects the JFET input stage's thermal stability - critical for maintaining accuracy in high-temperature photodiode or piezoelectric sensor applications.
Is the LT1058CJ available in tape-and-reel packaging?
Yes, the LT1058CJ is available in tape-and-reel format. The standard orderable part number is LT1058CJ#TR, indicating 14-lead CERDIP in 50-unit reels. Tape-and-reel packaging supports automated SMT assembly and is compatible with standard pick-and-place equipment used in high-volume manufacturing environments.
LT1058CJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 14-CDIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- J-FET
- Number of Circuits:
- 4
- Output Type:
- -
- Slew Rate:
- 13V/µs
- Gain Bandwidth Product:
- 5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 7 pA
- Voltage - Input Offset:
- 250 µV
- Current - Supply:
- 1.7mA (x4 Channels)
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 20 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-CERDIP
LT1058CJ FAQ
1.How can I place an order for LT1058CJ through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1058CJ 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 LT1058CJ reliable?
The price and inventory of LT1058CJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1058CJ is usually 5 days.
3.What payment methods are accepted for LT1058CJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1058CJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1058CJ?
LT1058CJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1058CJ 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 LT1058CJ?
For technical support, including LT1058CJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1058CJ requirements.
6.How does Aetrix verify that LT1058CJ is sourced from the original manufacturer or authorized distributors?
All LT1058CJ 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 LT1058CJ meets industry standards.
7.What is the process for return or replacement of LT1058CJ?
All LT1058CJ units undergo pre-shipment inspection (PSI). If there is an issue with LT1058CJ, 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 LT1058CJ part is unused and in its original packaging.
Return procedure for LT1058CJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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