ADA4610-1ARZ-RL7 - Precision JFET Op Amp | Analog Devices
料号： ADA4610-1ARZ-RL7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.04 | $2.04 |
| 10 | $1.83 | $18.30 |
| 100 | $1.63 | $163.00 |
| 500 | $1.47 | $735.00 |
| 1,000 | $1.32 | $1,320.00 |
ADA4610-1ARZ-RL7 概述
A JFET-input operational amplifier is a type of op amp that uses junction field-effect transistors at its input stage, providing very high input impedance and low input bias current. This makes it ideal for interfacing with high-impedance sources such as sensors, photodiodes, and precision instrumentation. The ADA4610-1 belongs to the family of precision amplifiers, which are characterized by low offset voltage, low drift, and low noise, essential for accurate signal conditioning.
Key features of the ADA4610-1ARZ-RL7 include a low input voltage noise of 7.3 nV/√Hz at 1 kHz, a low input bias current of 2 pA typical, and a low offset voltage of 75 µV maximum. The rail-to-rail output stage allows maximum dynamic range, and the device can drive loads up to 600 Ω. It also features a high open-loop gain of 120 dB and a common-mode rejection ratio of 110 dB, ensuring excellent accuracy.
The ADA4610-1 uses a precision JFET architecture with laser-trimmed input offset voltage, achieving low drift over temperature. The device includes internal protection circuitry that allows input voltages up to 0.3 V beyond the supplies without damage. Its low noise and high input impedance make it suitable for high-impedance sensor interfaces, active filters, and precision data acquisition systems.
Typical applications include precision instrumentation, medical equipment, industrial process control, and audio signal conditioning. The ADA4610-1ARZ-RL7 is particularly well-suited for photodiode amplifiers, where its low input bias current minimizes error, and for active filters requiring low noise and high accuracy.
When designing with this device, ensure proper power supply decoupling with 0.1 µF ceramic capacitors close to the supply pins. The rail-to-rail output can swing within 20 mV of the rails, but for best linearity, avoid operating near the output limits. The input common-mode range extends to the negative rail, but for positive rail inputs, keep within the specified range to avoid phase reversal.
直接替换替代料： ADA4610-1ARZ-RL7 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ADA4610-1ARZ-RL7 （相同外形与封装尺寸） ——差异在于 Amplifier Type, Gain Bandwidth Product, Current - Output / Channel, Voltage - Input Offset.
快速对比工具——选择替代料号进行并排对比：
ADA4610-1ARZ
✅ 直接替换✓ 有现货
$1.82 / 个
查看数据手册 →ADA4610-1ARZ-RL
✅ 直接替换📋 参考替代料（不在目录中）
ADA4610-2ARZ
✅ 直接替换✓ 有现货
$2.19 / 个
查看数据手册 →OPA140AID
✅ 直接替换📋 参考替代料（不在目录中）
OPA197ID
✅ 直接替换📋 参考替代料（不在目录中）
ADA4610-1ARZ-RL7 最大额定值与电气特性
| Amplifier Type | JFET |
| Number of Circuits | 1 |
| 输出类型 | Rail-to-Rail |
| Slew Rate | 61 V/µs |
| Gain Bandwidth Product | 16.3 MHz |
| Current - Input Bias | 2 pA |
| Voltage - Input Offset | 75 µV |
| Current - Supply | 1.7 mA |
| Current - Output / Channel | 24 mA |
| Voltage - Supply Span (Min) | 9 V |
| Voltage - Supply Span (Max) | 30 V |
| 工作温度 | -40°C to +125°C |
| 封装 / 外壳 | 8-SOIC |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
ADA4610-1ARZ-RL7 引脚配置
| 引脚 1 | OFFSET NULL — Offset null adjustment |
| 引脚 2 | IN- — Inverting input |
| 引脚 3 | IN+ — Non-inverting input |
| 引脚 4 | V- — Negative supply |
| 引脚 5 | OFFSET NULL — Offset null adjustment |
| 引脚 6 | OUT — Output |
| 引脚 7 | V+ — Positive supply |
| 引脚 8 | NC — No connect |
典型应用
ADA4610-1ARZ-RL7 适用于 6 应用s: Photodiode Amplifier, Precision Instrumentation, Active Filters, Medical Equipment, Audio Signal Conditioning, Industrial Process Control.
Photodiode Amplifier
The ADA4610-1ARZ-RL7's ultra-low input bias current of 2 pA and low voltage noise of 7.3 nV/√Hz make it ideal for transimpedance amplifiers in photodiode applications. The JFET input minimizes leakage current, preserving the small photocurrent signal. With a gain bandwidth product of 16.3 MHz, it supports high-speed optical sensing. The rail-to-rail output allows direct interface to ADCs. For best performance, use a feedback capacitor to compensate for input capacitance and maintain stability.
推荐
Precision Instrumentation
In precision instrumentation, the ADA4610-1ARZ-RL7 provides low offset voltage (75 µV max) and low drift, ensuring accurate measurement. Its high open-loop gain of 120 dB and CMRR of 110 dB reject common-mode noise. The device operates from ±15V supplies, ideal for industrial sensors. Use it in bridge amplifiers, thermocouple conditioners, and data acquisition front-ends. The low bias current prevents loading of high-impedance sources, maintaining signal integrity.
推荐
Active Filters
The ADA4610-1ARZ-RL7's 16.3 MHz gain bandwidth product and 61 V/µs slew rate enable high-performance active filters. Its low noise and distortion preserve signal quality in audio and communication systems. The rail-to-rail output maximizes dynamic range. Design multiple-pole low-pass, high-pass, or band-pass filters with ease. For optimal stability, use appropriate feedback components and keep parasitic capacitance low.
推荐
Medical Equipment
In medical devices like ECG and EEG monitors, the ADA4610-1ARZ-RL7 offers low noise and high input impedance, crucial for capturing weak bio-signals. Its low bias current minimizes electrode polarization effects. The wide supply range supports battery operation. The device's precision ensures reliable diagnostics. Use it in instrumentation amplifiers and signal conditioning stages. Ensure proper shielding and grounding to minimize interference.
推荐
Audio Signal Conditioning
The ADA4610-1ARZ-RL7's low noise (7.3 nV/√Hz) and low distortion make it suitable for high-quality audio preamplifiers and equalizers. Its JFET input provides high input impedance, preserving the signal from high-impedance sources like guitar pickups. The rail-to-rail output allows maximum headroom. Use it in active crossover networks and headphone amplifiers. For best audio performance, use high-quality passive components and proper grounding.
推荐
Industrial Process Control
In industrial control systems, the ADA4610-1ARZ-RL7 provides robust performance over -40°C to +125°C. Its low offset and drift ensure accurate process variable measurement. The device can operate from 24V industrial supplies. Use it in PID controllers, signal conditioners, and actuator drivers. The rail-to-rail output interfaces directly with ADCs and microcontrollers. For harsh environments, consider conformal coating and proper ESD protection.
推荐
推荐产品汇总
工程参考数据： ADA4610-1ARZ-RL7 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ADA4610-1ARZ | ADA4610-1ARZ-RL | ADA4610-2ARZ | OPA140AID | OPA197ID |
|---|---|---|---|---|---|---|
| Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Texas Instruments |
| Number of Circuits | 1 | 1 | 1 | 2 | 1 | 1 |
| Supply Voltage Range | 9V to 30V | 9V to 30V | 9V to 30V | 9V to 30V | 4.5V to 36V | 4.5V to 36V |
| Input Bias Current | 2 pA | 2 pA | 2 pA | 2 pA | 10 pA | 5 pA |
| Input Voltage Noise | 7.3 nV/√Hz | 7.3 nV/√Hz | 7.3 nV/√Hz | 7.3 nV/√Hz | 5.5 nV/√Hz | 5.5 nV/√Hz |
| Gain Bandwidth Product | 16.3 MHz | 16.3 MHz | 16.3 MHz | 16.3 MHz | 11 MHz | 10 MHz |
| Slew Rate | 61 V/µs | 61 V/µs | 61 V/µs | 61 V/µs | 20 V/µs | 20 V/µs |
关键差异点
- Ultra-low input bias current of 2 pA （对比 OPA140AID)
- Higher gain bandwidth product of 16.3 MHz （对比 OPA197ID)
- Faster slew rate of 61 V/µs （对比 OPA140AID)
设计说明
For optimal performance, use a clean, low-noise power supply. Decouple each supply pin with a 0.1 µF ceramic capacitor placed as close to the pin as possible, and a 10 µF tantalum capacitor for bulk decoupling. The ADA4610-1ARZ-RL7 operates from 9V to 30V single supply or ±4.5V to ±15V dual supply. Ensure the supply voltage does not exceed the absolute maximum ratings to prevent damage.
For high-impedance inputs, minimize PCB leakage by using guard rings around the input pins and keeping the traces short. Avoid running high-speed digital traces near the input to reduce coupling. Use a ground plane to provide a low-impedance return path and shield the sensitive analog circuitry. Place the feedback resistor close to the inverting input to reduce parasitic capacitance.
The input common-mode range extends to the negative rail but not to the positive rail. Exceeding the positive common-mode limit can cause phase reversal. Also, the output can swing within 20 mV of the rails, but for best linearity, avoid operating near the limits. Ensure the load resistance is not too low; the device can drive 600 Ω loads, but lower impedances may increase distortion.
合规信息
EU RoHS compliant and REACH compliant per Abacus Technologies. Not AEC-Q100 qualified.
