AD841SE/883B - 40MHz Unity-Gain Stable Op Amp | Analog Devices
MPN: AD841SE/883B ✓ פעילAD841SE/883B סקירה
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.
חלופות תחליף ישיר עבור AD841SE/883B — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
AD841SE
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
AD841SQ
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
OPA37GL
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
OP27AFKB
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
OPA37EL
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
AD841SE/883B דירוגים מרביים ומאפיינים חשמליים
| 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% |
| מארז | 20-CLCC (9x9 mm) |
| סוג הרכבה | Surface Mount |
| MIL-STD-883B | Compliant |
תצורת פינים של AD841SE/883B
| פין 1 | NC — No connection |
| פין 2 | -IN — Inverting input |
| פין 3 | +IN — Non-inverting input |
| פין 4 | V- — Negative supply |
| פין 5 | NC — No connection |
| פין 6 | NC — No connection |
| פין 7 | V+ — Positive supply |
| פין 8 | OUT — Output |
| פין 9 | NC — No connection |
| פין 10 | NC — No connection |
| פין 11 | NC — No connection |
| פין 12 | NC — No connection |
| פין 13 | NC — No connection |
| פין 14 | NC — No connection |
| פין 15 | NC — No connection |
| פין 16 | NC — No connection |
| פין 17 | NC — No connection |
| פין 18 | NC — No connection |
| פין 19 | NC — No connection |
| פין 20 | NC — No connection |
יישומים טיפוסיים
AD841SE/883B מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור AD841SE/883B — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- MIL-STD-883B compliance (לעומתAD841SE)
- Higher bandwidth than OP27AFKB (לעומתOP27AFKB)
- Lower noise than typical high-speed op amps (לעומתOPA37GL)
הערות תכנון
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.
מידע על תאימות
MIL-STD-883B compliant. RoHS status not specified in available data.
