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OPA2891DR
Dual-channel 180MHz 0.95nV Hz
- Manufacturer
- Mfr. Part #OPA2891DR
- Package
- Datasheet OPA2891DR DataSheet
- In Stock2833
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Specifications
| Series | OPAx891 |
| Part Status | Active |
| Amplifier Type | Standard (General Purpose) |
| Number of Circuits | 2 |
| Output Type | Push-Pull |
| Slew Rate | 105V/µs |
| Gain Bandwidth Product | 180 MHz |
| Current - Input Bias | 9 µA |
| Voltage - Input Offset | 200 µV |
| Current - Supply | 7.5mA (x2 Channels) |
| Current - Output / Channel | 200 mA |
| Voltage - Supply Span (Min) | 9 V |
| Voltage - Supply Span (Max) | 36 V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| -3db Bandwidth | 135 MHz |
Overview
Description
The device boasts a high open-loop gain and a low input bias current, enhancing its accuracy and stability in applications such as audio processing, instrumentation, and medical devices. It has a bandwidth of 10 MHz and a slew rate of 16 V/µs, supporting high-speed signal processing.
The OPA2891DR comes in a compact 8-pin SOIC package, facilitating easy integration into space-constrained designs. It also features rail-to-rail output, allowing it to drive loads effectively across the entire supply range. Overall, the OPA2891DR is a versatile, high-quality op-amp suited for demanding precision applications.
Features
1. Dual Supply Voltage: Operates with a dual supply voltage range of ±2.5V to ±18V, enabling versatile usage in different circuits.
2. Low Noise: Offers a low voltage noise density of 5.6 nV/√Hz, making it suitable for precision applications like sensor signal conditioning.
3. High Slew Rate: With a slew rate of 27 V/μs, it supports high-speed signal applications.
4. Wide Bandwidth: The device has a unity-gain bandwidth of 13 MHz, providing substantial frequency response for various tasks.
5. Low Input Offset Voltage: Features a low offset voltage of 0.2 mV, ensuring accurate signal processing.
6. High CMRR and PSRR: Provides excellent common-mode and power supply rejection ratios, enhancing performance in noisy environments.
7. Rail-to-Rail Output: Capable of rail-to-rail output swing, maximizing signal range.
This op-amp is ideal for high-precision and high-speed applications, including data acquisition systems, medical instrumentation, and audio processing.
Package
Pinout
1. Offset Null: Used for offset adjustment.
2. Inverting Input (−): The negative input for differential signal input.
3. Non-Inverting Input (+): The positive input for differential signal input.
4. V-: Connects to the negative supply voltage.
5. V+: Connects to the positive supply voltage.
6. Output: The output of the operational amplifier.
7. Compensation Pin: Optional for frequency compensation.
8. NC (No Connect): Not internally connected, can be left floating.
The OPA2891 is designed for low noise, low distortion, and high precision applications, making it suitable for signal conditioning, filtering, and various analog signal processing tasks. It operates on a dual supply voltage range and offers high slew rate and bandwidth.
Manufacturer
Application
Equivalent
1. OPA2134 - Low noise, high-performance.
2. OPA227 - Low offset, low bias current.
3. TLV2371 - Low power, single-supply operation.
4. LMP8411 - Low drift, precision performance.
Always verify specifications and performance characteristics for your specific application.
Shipping
Shipping MethodsWe
offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.
Shipping Fee Reference (DHL/FedEx):
DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.
FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.
UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.
TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.
EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.
Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.
Payments
Payment Methods
The Payment term is 100% Prepaid.
Currently, we only accept the below payment methods:
1. PayPal
2. Credit/ Debit Card
3. Wire Transfer
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