AD704TQ/883B - Quad Picoampere Input Op Amp | Analog Devices
MPN: AD704TQ/883B ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $25.5 | $25.50 |
| 10 | $23.2 | $232.00 |
| 100 | $20.1 | $2,010.00 |
| 500 | $18 | $9,000.00 |
| 1,000 | $16.5 | $16,500.00 |
Drop-in alternatives for AD704TQ/883B — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
AD704TQ
✅ Drop-In📋 Reference alternative (not in catalog)
AD704SE/883B
✅ Drop-In📋 Reference alternative (not in catalog)
AD704TQ/883B Maximum Ratings & Electrical Characteristics
| Number of Channels | 4 |
| Supply Voltage Range | ±4.5 V to ±18 V |
| Input Offset Voltage (Max) | 75 µV |
| Input Offset Voltage Drift (Max) | 0.5 µV/°C |
| Input Bias Current (Max) | 150 pA |
| Input Bias Current Drift (Typ) | 0.2 pA/°C |
| Voltage Noise (Typ) | 0.5 µV p-p at 10 Hz |
| Supply Current per Amplifier (Max) | 600 µA |
| Operating Temperature Range | -55°C to +125°C |
| Package Type | 14-pin CDIP |
| Mounting Type | Through Hole |
| Qualification | MIL-STD-883B |
| RoHS Status | Non-compliant (military grade) |
| Lead Free | No |
| Amplifier Type | General Purpose |
AD704TQ/883B Pin Configuration
| Pin 1 | OUT A — Output of amplifier A |
| Pin 2 | -IN A — Inverting input of amplifier A |
| Pin 3 | +IN A — Non-inverting input of amplifier A |
| Pin 4 | V+ — Positive power supply |
| Pin 5 | +IN B — Non-inverting input of amplifier B |
| Pin 6 | -IN B — Inverting input of amplifier B |
| Pin 7 | OUT B — Output of amplifier B |
| Pin 8 | OUT C — Output of amplifier C |
| Pin 9 | -IN C — Inverting input of amplifier C |
| Pin 10 | +IN C — Non-inverting input of amplifier C |
| Pin 11 | V- — Negative power supply |
| Pin 12 | +IN D — Non-inverting input of amplifier D |
| Pin 13 | -IN D — Inverting input of amplifier D |
| Pin 14 | OUT D — Output of amplifier D |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
AD704TQ/883B is suitable for 6 applications: Precision Instrumentation, Data Acquisition Systems, Active Filters, Military and Aerospace Electronics, Sensor Signal Conditioning, Test and Measurement Equipment.
Precision Instrumentation
The AD704TQ/883B's high DC precision, with 75 µV max offset voltage and 0.5 µV/°C drift, makes it ideal for precision instrumentation amplifiers and signal conditioning circuits. Its low input bias current of 150 pA minimizes errors when interfacing with high-impedance sensors, ensuring accurate measurement in laboratory and field instruments. The quad configuration allows multiple channels to be processed in a single package, reducing board space and improving channel-to-channel matching. For best performance, use precision resistors and guard rings around input pins to minimize leakage currents.
Recommended
Data Acquisition Systems
In data acquisition systems, the AD704TQ/883B provides accurate signal conditioning for analog inputs before ADC conversion. Its low offset voltage and drift ensure minimal DC errors, while the low input bias current reduces loading on high-impedance sources. The quad op amp can buffer multiple channels, simplifying PCB layout and reducing component count. The military temperature range and MIL-STD-883B qualification make it suitable for aerospace and defense data acquisition systems. Pair with a high-resolution ADC like the AD7176-2BRUZ for precise measurements.
Recommended
Active Filters
The AD704TQ/883B is well-suited for active filter designs, such as low-pass, high-pass, and band-pass filters, due to its low noise and high DC precision. Its low input bias current allows the use of high-value resistors without significant offset errors, enabling accurate filter cutoff frequencies. The quad configuration enables multi-stage filters in a single package, saving space in compact designs. The wide supply voltage range supports various filter topologies, and the military temperature range ensures stable performance in extreme environments.
Recommended
Military and Aerospace Electronics
The AD704TQ/883B is qualified to MIL-STD-883B and operates over the full military temperature range of -55°C to +125°C, making it ideal for military and aerospace applications. Its high reliability and precision ensure accurate signal processing in avionics, radar, and communication systems. The ceramic DIP package provides robust mechanical and thermal performance. The low power consumption of 600 µA per amplifier is beneficial for power-constrained defense systems. Use in conjunction with other MIL-STD-883B qualified components for system-level compliance.
Recommended
Sensor Signal Conditioning
The AD704TQ/883B's low input bias current of 150 pA makes it ideal for conditioning signals from high-impedance sensors such as photodiodes, pH probes, and piezoelectric sensors. Its low offset voltage and drift ensure accurate amplification of small sensor signals. The quad configuration allows multiple sensors to be interfaced in a single package, reducing component count. The wide supply voltage range accommodates various sensor biasing requirements. For photodiode applications, use a transimpedance amplifier configuration with a high-value feedback resistor.
Recommended
Test and Measurement Equipment
In test and measurement equipment, the AD704TQ/883B provides precise signal conditioning for accurate measurements. Its high DC precision and low noise ensure reliable readings in multimeters, oscilloscopes, and signal analyzers. The quad op amp can be used for multiple measurement channels, improving efficiency and reducing cost. The military temperature range and MIL-STD-883B qualification make it suitable for rugged test equipment used in field and military environments. The low power consumption is beneficial for portable instruments.
Recommended
Recommended Products Summary
Engineering reference data for AD704TQ/883B — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD704TQ | AD704SE/883B | AD704KN | AD704JN | OP470GP |
|---|---|---|---|---|---|---|
| Package | 14-pin CDIP | 14-pin CDIP | 14-pin CDIP | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Number of Channels | 4 | 4 | 4 | 4 | 4 | 4 |
| Supply Voltage Range | ±4.5V to ±18V | ±4.5V to ±18V | ±4.5V to ±18V | ±4.5V to ±18V | ±4.5V to ±18V | ±4.5V to ±18V |
| Input Offset Voltage (Max) | 75 µV | 75 µV | 75 µV | 150 µV | 150 µV | 400 µV |
| Input Bias Current (Max) | 150 pA | 150 pA | 150 pA | 150 pA | 150 pA | 25 nA |
| Operating Temperature Range | -55°C to +125°C | -55°C to +125°C | -55°C to +125°C | 0°C to +70°C | 0°C to +70°C | 0°C to +70°C |
| MIL-STD-883B Qualified | Yes | No | Yes | No | No | No |
Key Differentiators
- Military-grade qualification (vs AD704TQ)
- Wider temperature range (vs AD704KN)
- Lower input bias current (vs OP470GP)
Design Notes
For optimal performance, place decoupling capacitors (0.1 µF ceramic) close to the V+ and V- pins. Use a ground plane to minimize noise and ensure stable operation. For high-impedance inputs, guard rings around the input pins can reduce leakage currents and maintain the low input bias current specification.
The AD704TQ/883B is specified for operation up to +125°C. In high-temperature environments, ensure adequate airflow or heatsinking to keep the junction temperature within limits. The ceramic DIP package has good thermal conductivity, but power dissipation should be considered in high-supply-voltage applications.
Avoid exceeding the absolute maximum supply voltage of ±18V. Also, ensure the input common-mode voltage does not exceed the supply rails. For precision applications, use low-leakage capacitors and clean PCB to prevent contamination that could increase input bias current.
Compliance Information
Military-grade component, not RoHS compliant due to lead-based solder and ceramic package.
