Overview
The 1B22AN is a programmable, isolated voltage-to-current converter manufactured by Analog Devices Inc. This component is designed to achieve high performance and reliability, particularly in harsh environments with high common mode interference. It incorporates transformer isolation, making it suitable for industrial applications such as multichannel process control, D/A converter interfaces, and remote data acquisition systems. The 1B22AN is available in a compact DIP-12 package, enhancing its versatility and ease of integration into various systems.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Current Transmitter |
| Input Type | Analog Voltage |
| Output Type | Current |
| Package / Case | DIP-12 |
| Supply Current | 7.5 mA |
| Operating Temperature | -40°C to 85°C |
| Mounting Type | Through Hole |
| Supply Voltage | ±15 V |
| Common Mode Isolation | 1500 V RMS |
| Normal-Mode Output Protection | 240 V RMS |
Key Features
- Internal Isolated Loop Supply Drives 1000 Ω Load
- Pin Programmable Inputs: 0 V to +5 V or 0 V to +10 V
- Pin Programmable Outputs: 4 to 20 mA or 0 to 20 mA
- High CMV Isolation: 1500 V RMS
- Normal-Mode Output Protection: 240 V RMS
- High Accuracy: Low Offset Tempco (±300 nA/°C), Low Gain Tempco (±50 ppm/°C), Low Nonlinearity (±0.02%)
- High CMR: 90 dB min
- Compact Package: 1.0" x 2.10" x 0.35"
- Meets IEEE std. 472: CMV Transient Protection (SWC)
Applications
- Multichannel Process Control
- D/A Converter - Current Loop Interface
- Analog Transmitters and Controllers
- Remote Data Acquisition System
Q & A
- What is the primary function of the 1B22AN? The 1B22AN is a programmable, isolated voltage-to-current converter.
- What is the package type of the 1B22AN? The 1B22AN is available in a DIP-12 package.
- What are the programmable input ranges of the 1B22AN? The inputs can be programmed to 0 V to +5 V or 0 V to +10 V.
- What are the programmable output ranges of the 1B22AN? The outputs can be programmed to 4 to 20 mA or 0 to 20 mA.
- What is the common mode isolation of the 1B22AN? The common mode isolation is 1500 V RMS.
- What is the normal-mode output protection of the 1B22AN? The normal-mode output protection is 240 V RMS.
- What are the typical applications of the 1B22AN? Typical applications include multichannel process control, D/A converter interfaces, analog transmitters, and remote data acquisition systems.
- What is the operating temperature range of the 1B22AN? The operating temperature range is -40°C to 85°C.
- How does the 1B22AN ensure high accuracy? The 1B22AN ensures high accuracy through low offset tempco, low gain tempco, and low nonlinearity.
- Is the 1B22AN RoHS compliant? Yes, the 1B22AN is RoHS compliant.
