AD841SE/883B - 40MHz Unity-Gain Stable Op Amp | Analog Devices
Référence : AD841SE/883B ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 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 |
AD841SE/883B Présentation
An operational amplifier (op amp) is a high-gain voltage amplifier with differential inputs and a single-ended output. It is a fundamental building block in analog electronics, used in signal conditioning, filtering, and mathematical operations. The AD841SE/883B is a general-purpose op amp, meaning it can be configured for various gain and bandwidth requirements. It belongs to the hierarchy: operational amplifier -> amplifier -> analog integrated circuit -> semiconductor device.
Key features of the AD841SE/883B include a unity-gain bandwidth of 40 MHz, fast settling time to 0.01%, a slew rate of V/µs, and a full power bandwidth of 4.7 MHz for 20 V p-p into a 500 Ω load. DC performance includes a maximum input offset voltage of 1 mV and an input voltage noise of 13 nV/√Hz typical. The open-loop gain is . These specifications make it ideal for applications requiring both high speed and precision.
The AD841SE/883B is fabricated using a complementary bipolar process, which provides excellent DC linearity and high output drive capability. The device is unity-gain stable, meaning it can be used in buffer configurations without external compensation. The fast settling time ensures accurate acquisition in data acquisition systems, while the high bandwidth supports video and pulse amplification.
Typical applications include high speed signal conditioning, video and pulse amplifiers, data acquisition systems, line drivers, and active filters. The device's wide bandwidth and fast settling make it suitable for test and measurement equipment, radar systems, and communication infrastructure.
When designing with the AD841SE/883B, consider the power supply decoupling and layout to minimize parasitic capacitance and inductance. The CLCC package requires careful thermal management, and the device should be operated within its specified supply voltage range to ensure reliable performance.
Alternatives de remplacement direct pour AD841SE/883B — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
AD841SE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AD841SQ
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
OPA37GL
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
OP27AFKB
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
OPA37EL
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
AD841SE/883B Valeurs maximales et caractéristiques électriques
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 1 |
| Unity-Gain Bandwidth | 40 MHz |
| Full Power Bandwidth | 4.7 MHz for 20 V p-p into 500 Ω load |
| Input Offset Voltage | 1 mV max |
| Input Voltage Noise | 13 nV/√Hz typ |
| Settling Time | Fast settling to 0.01% |
| Boîtier | 20-CLCC (9x9 mm) |
| Type de montage | Surface Mount |
| MIL-STD-883B | Compliant |
Configuration des broches de AD841SE/883B
| Broche 1 | NC — No connection |
| Broche 2 | -IN — Inverting input |
| Broche 3 | +IN — Non-inverting input |
| Broche 4 | V- — Negative supply |
| Broche 5 | NC — No connection |
| Broche 6 | NC — No connection |
| Broche 7 | V+ — Positive supply |
| Broche 8 | OUT — Output |
| Broche 9 | NC — No connection |
| Broche 10 | NC — No connection |
| Broche 11 | NC — No connection |
| Broche 12 | NC — No connection |
| Broche 13 | NC — No connection |
| Broche 14 | NC — No connection |
| Broche 15 | NC — No connection |
| Broche 16 | NC — No connection |
| Broche 17 | NC — No connection |
| Broche 18 | NC — No connection |
| Broche 19 | NC — No connection |
| Broche 20 | NC — No connection |
Applications typiques
AD841SE/883B convient pour 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/√Hz 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.
Recommandé
Video and Pulse Amplifiers
With a full power bandwidth of 4.7 MHz for 20 V p-p into 500 Ω, 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour AD841SE/883B — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- MIL-STD-883B compliance (vs AD841SE)
- Higher bandwidth than OP27AFKB (vs OP27AFKB)
- Lower noise than typical high-speed op amps (vs OPA37GL)
Notes de conception
The AD841SE/883B should be powered with a clean, well-regulated supply. Use 0.1 µF ceramic capacitors close to the V+ and V- pins to decouple high-frequency noise. For best performance, a 10 µF 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 Ω) in series with the output if driving a cable. Also, ensure the input common-mode voltage is within the specified range.
Informations de conformité
MIL-STD-883B compliant. RoHS status not specified in available data.
