Overview
The AD8512ARMZ-REEL is a dual-precision JFET operational amplifier manufactured by Analog Devices Inc. This component is renowned for its low offset voltage, low input bias current, very low noise, and wide bandwidth, making it suitable for high-performance applications. The AD8512ARMZ-REEL is part of the AD8510/AD8512/AD8513 family, which includes single-, dual-, and quad-precision JFET amplifiers. It is particularly useful in environments requiring high precision and stability, such as instrumentation, military communication, and avionics.
Key Specifications
| Attribute | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD8512ARMZ-REEL |
| Package | MSOP-8, 8-TSSOP |
| Number of Channels | 2 |
| Supply Voltage | ±5V to ±15V |
| Input Bias Current | 25 pA typical at V = 15 V |
| Input Offset Voltage | 1.0 mV maximum at V = 15 V |
| Noise | 8.0 nV/Hz typical at f = 1 kHz |
| Bandwidth | 8 MHz |
| Common Mode Rejection Ratio (CMRR) | 100 dB |
| Power Supply Rejection Ratio (PSRR) | 130 dB |
| Operating Temperature Range | -55°C to +125°C |
Key Features
- Low Offset Voltage: 1.0 mV maximum at V = 15 V, ensuring high precision in signal processing.
- Low Input Bias Current: 25 pA typical at V = 15 V, making it suitable for high impedance sensor amplification and precise current measurements.
- Very Low Noise: 8.0 nV/Hz typical at f = 1 kHz, enhancing the accuracy and fidelity of the amplified signal.
- Wide Bandwidth: 8 MHz, allowing for high-speed applications and fast settling times.
- Dual-Supply Operation: Supports supply voltages from ±5V to ±15V, providing flexibility in various application environments.
- High Stability with Capacitive Loads: Maintains fast settling performance even with substantial capacitive loads, unlike many older JFET amplifiers.
- No Phase Reversal: Does not suffer from output phase reversal, ensuring reliable operation in critical applications.
- Military and Aerospace Compliance: Supports defense and aerospace applications with a controlled manufacturing baseline and qualification data available on request.
Applications
- Instrumentation: Ideal for precision current measurement, multipole filters, and other instrumentation applications requiring high accuracy and low noise.
- Military Communication and Avionics: Suitable for military communication and avionics due to its high precision, low noise, and wide bandwidth, as well as its compliance with military temperature ranges.
- Photodiode Amplifiers: Low input bias current and low noise make it particularly suitable for photodiode amplifier circuits.
- Precision Current Measurement: Used in applications requiring precise current measurements using shunts.
- Flight Instruments and Electronic Measurement Equipment: Its high dc precision, high output current, and excellent speed make it a great choice for these applications.
Q & A
- What is the AD8512ARMZ-REEL used for?
The AD8512ARMZ-REEL is a dual-precision JFET operational amplifier used in various high-performance applications such as instrumentation, military communication, avionics, and photodiode amplifiers due to its low offset voltage, low input bias current, and very low noise.
- What are the key features of the AD8512ARMZ-REEL?
Key features include low offset voltage, low input bias current, very low noise, wide bandwidth, dual-supply operation, high stability with capacitive loads, and no phase reversal.
- What is the operating temperature range of the AD8512ARMZ-REEL?
The operating temperature range is -55°C to +125°C, making it suitable for military and aerospace applications.
- What is the typical input bias current of the AD8512ARMZ-REEL?
The typical input bias current is 25 pA at V = 15 V.
- What is the bandwidth of the AD8512ARMZ-REEL?
The bandwidth is 8 MHz, allowing for high-speed applications.
- Does the AD8512ARMZ-REEL suffer from phase reversal?
No, the AD8512ARMZ-REEL does not suffer from output phase reversal.
- What are the common applications of the AD8512ARMZ-REEL?
Common applications include instrumentation, military communication, avionics, photodiode amplifiers, and precision current measurement.
- What is the supply voltage range for the AD8512ARMZ-REEL?
The supply voltage range is ±5V to ±15V.
- Is the AD8512ARMZ-REEL compliant with military standards?
Yes, it supports defense and aerospace applications with a controlled manufacturing baseline and qualification data available on request.
- What is the package type of the AD8512ARMZ-REEL?
The package types are MSOP-8 and 8-TSSOP.
- What is the typical noise level of the AD8512ARMZ-REEL?
The typical noise level is 8.0 nV/Hz at f = 1 kHz.
