AD204: 隔离放大器
The AD204 is a general purpose, two-port, transformer-coupled isolation amplifier that may be used in a broad range of applications where input signals must be measured, processed and/or transmitted without a galvanic connection. This industry standard isolation amplifier offers a complete isolation function, with both signal and power isolation provided for in a single compact plastic SIP or DIP style package. The AD204 is powered by an externally supplied clock, such as the recommended AD246 Clock Driver.
The AD204 provides total galvanic isolation between the input and output stages of the isolation amplifier through the use of internal transformer-coupling. The functionally complete AD204 eliminates the need for an external, user-supplied dc/dc converter. This permits the designer to minimize the necessary circuit overhead and consequently reduce the overall design and component costs.
The design of the AD204 emphasizes maximum flexibility and ease of use, including the availability of an uncommitted op amp on the input stage. It features a bipolar ±5 V output range, an adjustable gain range of from 1 to 100 V/V, ±0.025% max nonlinearity (K grade), 130 dB of CMR and consumes a low 35 mW of power.
产品应用领域 Applications
- Multichannel Data Acquisition
- Current Shunt Measurements
- Motor Controls
- Process Signal Isolation
- High Voltage Instrumentation Amplifier
AD204 特点
- Small Size: 4 Channels/Inch
- High Accuracy: ±0.025% Max Nonlinearity (K Grade)
- High CMR: 130 dB (Gain = 100 V/V)
- High CMV Isolation: ±2000 V pk Continuous
- (K Grade) (Signal and Power)
- Isolated Power Outputs
- Uncommitted Input Amplifier
AD204 功能框图
Functional Block Diagram for AD204 AD204 技术指标
| # Ports/Ch | 2 | Isolation Rejection (dB) | 110dB |
| Supply Voltage (V) | n/a | Bandwidth G = 1 (kHz) | 5kHz |
| Supply Current | n/a | Nonlinearity (%) | 0.025% |
| Input Range (V) | ±5V | Temperature Range (°C) | 0 to +70 |
AD204 订购指南
| 产品型号 | 产品状态 | 封装 | 引脚 | 温度范围 |
|---|---|---|---|---|
| AD204JN | 量产 | 10 ld PDIP (for AD202/204) | 10 | 工业 |
| AD204JY | 量产 | 10 pin SIP (AD204) | 10 | 工业 |
| AD204KN | 量产 | 10 ld PDIP (for AD202/204) | 10 | 工业 |
| AD204KY | 量产 | 10 pin SIP (AD204) | 10 | 工业 |