ADA4610-2ARZ-RL7 - Dual JFET Precision Op Amp | Analog Devices
料号： ADA4610-2ARZ-RL7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.45 | $3.45 |
| 10 | $3.1 | $31.00 |
| 100 | $2.75 | $275.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.2 | $2,200.00 |
ADA4610-2ARZ-RL7 概述
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 signal processing, used in applications such as filtering, amplification, and signal conditioning. The ADA4610-2 is a JFET-input op amp, which provides very high input impedance and low input bias current, making it ideal for interfacing with high-impedance sensors and precision instrumentation.
Key features of the ADA4610-2 include a low offset voltage of 0.4 mV maximum (B grade) and 1 mV maximum (A grade), low offset voltage drift of 4 µV/°C (B grade) and 8 µV/°C (A grade), and low input bias current. The device also features rail-to-rail output swing, which maximizes dynamic range in low-voltage applications. The input voltage noise is 7.3 nV/√Hz at 1 kHz, and the current noise is 0.8 fA/√Hz, making it suitable for low-noise signal chains.
The ADA4610-2 uses a precision JFET input stage combined with a bipolar output stage, achieving a gain bandwidth product of 16.3 MHz and a slew rate of 61 V/µs. The device operates over the industrial temperature range of -40°C to +125°C and is available in an 8-lead SOIC package. The rail-to-rail output stage allows the output to swing within 50 mV of the supply rails, maximizing headroom in low-voltage designs.
Typical applications include precision instrumentation, active filters, data acquisition systems, and audio signal processing. The low noise and low input bias current make it ideal for photodiode amplifiers, transimpedance amplifiers, and high-impedance sensor interfaces. The rail-to-rail output is particularly useful in single-supply systems where output swing is critical.
When designing with the ADA4610-2, ensure proper power supply decoupling with 0.1 µF ceramic capacitors placed close to the supply pins. The input common-mode voltage range extends to the negative rail, but for best performance, keep the inputs within the specified common-mode range. The device is protected against input voltages up to 0.3 V beyond the supplies, but external protection may be needed for harsh environments.
直接替换替代料： ADA4610-2ARZ-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： ADA4610-2ARZ-RL7 （相同外形与封装尺寸） ——差异在于 Gain Bandwidth Product, Slew Rate, Amplifier Type, Input Current Noise Density.
快速对比工具——选择替代料号进行并排对比：
ADA4610-2ARZ-R7
✅ 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 →ADA4622-2ARZ
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
OPA2140AIDR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
ADA4610-2ARZ-RL7 最大额定值与电气特性
| Number of Channels | 2 |
| Supply Voltage Range (Single) | 9 V to 30 V |
| Supply Voltage Range (Dual) | ±4.5 V to ±15 V |
| Input Offset Voltage (B Grade) | 0.4 mV max |
| Input Offset Voltage (A Grade) | 1 mV max |
| Offset Voltage Drift (B Grade) | 4 µV/°C max |
| Offset Voltage Drift (A Grade) | 8 µV/°C max |
| Input Bias Current | 2 pA typ |
| Input Voltage Noise Density | 7.3 nV/√Hz at 1 kHz |
| Input Current Noise Density | 0.8 fA/√Hz at 1 kHz |
| Gain Bandwidth Product | 16.3 MHz |
| Slew Rate | 61 V/µs |
| 输出类型 | Rail-to-Rail |
| 封装 | 8-Lead SOIC |
| 工作温度范围 | -40°C to +125°C |
| RoHS 状态 | Compliant |
ADA4610-2ARZ-RL7 引脚配置
| 引脚 1 | OUT A — Output of amplifier A |
| 引脚 2 | -IN A — Inverting input of amplifier A |
| 引脚 3 | +IN A — Non-inverting input of amplifier A |
| 引脚 4 | V- — Negative supply voltage |
| 引脚 5 | +IN B — Non-inverting input of amplifier B |
| 引脚 6 | -IN B — Inverting input of amplifier B |
| 引脚 7 | OUT B — Output of amplifier B |
| 引脚 8 | V+ — Positive supply voltage |
典型应用
ADA4610-2ARZ-RL7 适用于 6 应用s: Precision Instrumentation, Active Filters, Data Acquisition Systems, Audio Signal Processing, Photodiode Amplifiers, Industrial Control Systems.
Precision Instrumentation
The ADA4610-2ARZ-RL7's low offset voltage (0.4 mV max) and low input bias current (2 pA) make it ideal for precision instrumentation amplifiers. Its high gain bandwidth product (16.3 MHz) ensures accurate signal conditioning in data acquisition systems. The rail-to-rail output maximizes dynamic range, while the wide supply range (9-30 V) accommodates various industrial power rails. This op amp is commonly used in bridge amplifiers, thermocouple interfaces, and precision voltage references, where accuracy and stability are paramount.
推荐
Active Filters
With a gain bandwidth product of 16.3 MHz and slew rate of 61 V/µs, the ADA4610-2ARZ-RL7 is well-suited for active filter designs. Its low noise (7.3 nV/√Hz) ensures minimal signal degradation in filter circuits. The rail-to-rail output allows filters to operate at lower supply voltages without clipping. This op amp is used in anti-aliasing filters, audio equalizers, and communication systems, where precise frequency response and low distortion are required.
推荐
Data Acquisition Systems
The ADA4610-2ARZ-RL7 is ideal for data acquisition systems due to its low noise and high speed. Its low input bias current minimizes errors when interfacing with high-impedance sensors. The wide supply range and rail-to-rail output make it compatible with various ADC input ranges. This op amp is used in signal conditioning front-ends, multiplexed data acquisition, and industrial process control, where accuracy and speed are critical.
推荐
Audio Signal Processing
The ADA4610-2ARZ-RL7's low noise and low distortion make it an excellent choice for audio applications. Its rail-to-rail output allows maximum headroom in single-supply audio circuits. The high slew rate (61 V/µs) ensures accurate reproduction of fast transients. This op amp is used in audio preamplifiers, active crossovers, and headphone amplifiers, where sound quality is paramount.
推荐
Photodiode Amplifiers
The ADA4610-2ARZ-RL7's low input bias current (2 pA) and low current noise (0.8 fA/√Hz) make it ideal for photodiode amplifiers. Its high gain bandwidth product (16.3 MHz) supports high-speed optical detection. The rail-to-rail output allows direct interfacing with ADCs. This op amp is used in optical sensors, medical diagnostics, and light measurement systems, where sensitivity and accuracy are essential.
推荐
Industrial Control Systems
The ADA4610-2ARZ-RL7 operates over the industrial temperature range (-40°C to +125°C) and supports supply voltages up to 30 V, making it suitable for industrial control systems. Its low offset voltage and drift ensure accurate process control. The rail-to-rail output allows direct drive of ADCs and microcontrollers. This op amp is used in PLCs, motor control, and process instrumentation, where reliability and precision are required.
推荐
推荐产品汇总
工程参考数据： ADA4610-2ARZ-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 | ADA4610-2ARZ-R7 | ADA4610-2ARZ | ADA4610-2ACPZ-R7 | ADA4622-2ARZ | OPA2140AIDR | AD8628ARZ |
|---|---|---|---|---|---|---|---|
| Package | 8-Lead SOIC | 8-Lead SOIC | 8-Lead SOIC | 8-Lead LFCSP | 8-Lead SOIC | 8-Lead SOIC | 8-Lead SOIC |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Texas Instruments | Analog Devices |
| Input Offset Voltage (max) | 0.4 mV (B grade) | 0.4 mV (B grade) | 0.4 mV (B grade) | 0.4 mV (B grade) | 0.2 mV | 0.12 mV | 5 µV |
| Input Bias Current (typ) | 2 pA | 2 pA | 2 pA | 2 pA | 2 pA | 10 pA | 30 pA |
| Voltage Noise Density (at 1 kHz) | 7.3 nV/√Hz | 7.3 nV/√Hz | 7.3 nV/√Hz | 7.3 nV/√Hz | 6.5 nV/√Hz | 5.5 nV/√Hz | 22 nV/√Hz |
| Gain Bandwidth Product | 16.3 MHz | 16.3 MHz | 16.3 MHz | 16.3 MHz | 15.5 MHz | 11 MHz | 2.5 MHz |
| Slew Rate | 61 V/µs | 61 V/µs | 61 V/µs | 61 V/µs | 23 V/µs | 20 V/µs | 0.5 V/µs |
| Supply Voltage Range | 9-30 V single, ±4.5-15 V dual | 9-30 V single, ±4.5-15 V dual | 9-30 V single, ±4.5-15 V dual | 9-30 V single, ±4.5-15 V dual | 4.5-36 V single, ±2.25-18 V dual | 4.5-36 V single, ±2.25-18 V dual | 2.7-5.5 V single, ±1.35-2.75 V dual |
关键差异点
- Low input bias current of 2 pA （对比 OPA2140AIDR)
- Higher slew rate of 61 V/µs （对比 ADA4622-2ARZ)
- Wider supply voltage range （对比 AD8628ARZ)
设计说明
Ensure proper power supply decoupling by placing 0.1 µF ceramic capacitors close to the V+ and V- pins. For high-frequency noise, add a 10 µF tantalum capacitor in parallel. This is critical for maintaining the low noise performance of the ADA4610-2ARZ-RL7.
For optimal performance, use a ground plane and keep input traces short to minimize parasitic capacitance. The ADA4610-2ARZ-RL7 has a high input impedance, so guard rings around the input pins can reduce leakage currents in high-impedance applications.
Avoid exceeding the input common-mode voltage range, which extends to the negative rail but not beyond the positive rail. The device has internal protection for inputs up to 0.3 V beyond the supplies, but external protection diodes may be needed for voltages outside this range.
合规信息
RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified.
