AD841SE/883B - 40MHz Unity-Gain Stable Op Amp | Analog Devices
MPN: AD841SE/883B β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $25 | $25.00 |
| 10 | $22.5 | $225.00 |
| 100 | $20 | $2,000.00 |
| 500 | $18 | $9,000.00 |
| 1,000 | $16 | $16,000.00 |
Drop-in alternatives for AD841SE/883B β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
AD841SE
β Drop-Inπ Reference alternative (not in catalog)
AD841SQ
β Drop-Inπ Reference alternative (not in catalog)
OPA37GL
β Drop-Inπ Reference alternative (not in catalog)
OP27AFKB
β Drop-Inπ Reference alternative (not in catalog)
OPA37EL
β Drop-Inπ Reference alternative (not in catalog)
AD841SE/883B Maximum Ratings & Electrical Characteristics
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 1 |
| Unity-Gain Bandwidth | 40 MHz |
| Slew Rate | [DATA_NEEDED: Slew Rate] V/Β΅s |
| Full Power Bandwidth | 4.7 MHz for 20 V p-p into 500 Ξ© load |
| Input Offset Voltage | 1 mV max |
| Input Voltage Noise | 13 nV/βHz typ |
| Open-Loop Gain | [DATA_NEEDED: Open-Loop Gain] |
| Settling Time | Fast settling to 0.01% |
| Package | 20-CLCC (9x9 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | [DATA_NEEDED: Operating Temperature Range] |
| Supply Voltage Range | [DATA_NEEDED: Supply Voltage Range] |
| RoHS Status | [DATA_NEEDED: RoHS Status] |
| MIL-STD-883B | Compliant |
AD841SE/883B Pin Configuration
| Pin 1 | NC β No connection |
| Pin 2 | -IN β Inverting input |
| Pin 3 | +IN β Non-inverting input |
| Pin 4 | V- β Negative supply |
| Pin 5 | NC β No connection |
| Pin 6 | NC β No connection |
| Pin 7 | V+ β Positive supply |
| Pin 8 | OUT β Output |
| Pin 9 | NC β No connection |
| Pin 10 | NC β No connection |
| Pin 11 | NC β No connection |
| Pin 12 | NC β No connection |
| Pin 13 | NC β No connection |
| Pin 14 | NC β No connection |
| Pin 15 | NC β No connection |
| Pin 16 | NC β No connection |
| Pin 17 | NC β No connection |
| Pin 18 | NC β No connection |
| Pin 19 | NC β No connection |
| Pin 20 | NC β No connection |
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
AD841SE/883B is suitable for 6 applications: High Speed Signal Conditioning, Video and Pulse Amplifiers, Data Acquisition Systems, Line Drivers, Active Filters, Military and Aerospace.
High Speed Signal Conditioning
The AD841SE/883B's 40 MHz unity-gain bandwidth and fast settling time make it ideal for conditioning high-speed signals in test and measurement equipment. Its low input noise of 13 nV/βHz ensures signal integrity, while the high slew rate supports large signal swings without distortion. The device can be used in buffer, gain, or filter configurations to prepare signals for ADC conversion or further processing.
Recommended
Video and Pulse Amplifiers
With a full power bandwidth of 4.7 MHz for 20 V p-p into 500 Ξ©, the AD841SE/883B can amplify video signals and fast pulses with minimal distortion. Its unity-gain stability allows direct use as a buffer for video distribution. The device's high slew rate ensures fast edge response, making it suitable for pulse amplification in radar and communication systems.
Recommended
Data Acquisition Systems
The AD841SE/883B's fast settling time to 0.01% and low offset voltage (1 mV max) make it ideal for driving ADCs in data acquisition systems. Its wide bandwidth supports high-speed sampling, while the low noise ensures accurate measurements. The device can be used as a buffer or gain stage before the ADC, providing the necessary drive capability and signal conditioning.
Recommended
Line Drivers
The AD841SE/883B can drive long cables and transmission lines due to its high output current capability and wide bandwidth. Its fast settling time ensures minimal signal distortion over distance. The device is suitable for driving analog signals in industrial and communication systems, providing the necessary drive strength for reliable signal transmission.
Recommended
Active Filters
The AD841SE/883B's 40 MHz bandwidth and high slew rate make it suitable for implementing active filters in the MHz range. Its low noise and high open-loop gain ensure accurate filter response. The device can be used in Sallen-Key or multiple feedback topologies for anti-aliasing, reconstruction, or signal conditioning filters.
Recommended
Military and Aerospace
The AD841SE/883B is MIL-STD-883B compliant, making it suitable for military and aerospace applications where reliability and performance under extreme conditions are critical. Its wide temperature range and robust packaging ensure operation in harsh environments. The device can be used in radar, avionics, and guidance systems.
Recommended
Recommended Products Summary
Engineering reference data for AD841SE/883B β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | AD841SE | AD841SQ | OPA37GL | OP27AFKB | OPA37EL |
|---|---|---|---|---|---|---|
| Package | 20-CLCC (9x9 mm) | 20-CLCC (9x9 mm) | 20-CLCC (9x9 mm) | 20-CLCC (9x9 mm) | 20-CLCC (9x9 mm) | 20-CLCC (9x9 mm) |
| Brand | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Analog Devices | Texas Instruments |
| Unity-Gain Bandwidth | 40 MHz | 40 MHz | 40 MHz | [DATA_NEEDED] | 8 MHz | [DATA_NEEDED] |
| Input Offset Voltage | 1 mV max | 1 mV max | 1 mV max | [DATA_NEEDED] | 25 Β΅V max | [DATA_NEEDED] |
| Input Voltage Noise | 13 nV/βHz typ | 13 nV/βHz typ | 13 nV/βHz typ | [DATA_NEEDED] | 3.8 nV/βHz typ | [DATA_NEEDED] |
| Slew Rate | [DATA_NEEDED] V/Β΅s | [DATA_NEEDED] V/Β΅s | [DATA_NEEDED] V/Β΅s | [DATA_NEEDED] | 2.8 V/Β΅s | [DATA_NEEDED] |
| MIL-STD-883B | Compliant | No | No | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
| Price (1pc) | $25.00 | $20.00 | $18.00 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- MIL-STD-883B compliance (vs AD841SE)
- Higher bandwidth than OP27AFKB (vs OP27AFKB)
- Lower noise than typical high-speed op amps (vs OPA37GL)
Design Notes
The AD841SE/883B should be powered with a clean, well-regulated supply. Use 0.1 Β΅F ceramic capacitors close to the V+ and V- pins to decouple high-frequency noise. For best performance, a 10 Β΅F tantalum capacitor in parallel is recommended. Ensure the supply voltage does not exceed the absolute maximum ratings specified in the datasheet.
For high-speed operation, keep the feedback loop short and use a ground plane to minimize parasitic inductance. Place the input and output traces away from high-current paths. The CLCC package has a thermal pad; solder it to a large copper area to improve heat dissipation. Follow the layout guidelines in the AD841 datasheet.
Avoid driving capacitive loads directly without a series resistor, as this can cause instability. The AD841SE/883B is unity-gain stable, but excessive capacitance on the output can lead to ringing. Use a small resistor (e.g., 50 Ξ©) in series with the output if driving a cable. Also, ensure the input common-mode voltage is within the specified range.
Compliance Information
MIL-STD-883B compliant. RoHS status not specified in available data.
