Overview
The AD7294-2BSUZ is a highly integrated 12-bit monitor and control system produced by Analog Devices Inc. This component is designed to provide comprehensive monitoring and control of current, voltage, and temperature in a single-chip solution. It is particularly suited for applications requiring precise control and monitoring, such as cellular base stations, RF transmission systems, and automotive and industrial controls.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Product Category | Analog to Digital Converters - ADC |
| Resolution | 12-bit |
| Number of Channels | 9 channels |
| Conversion Rate | 200 kS/s |
| Input Type | Single-Ended |
| ADC Type | SAR (Successive Approximation Register) |
| Operating Supply Voltage | 4.5 V to 59.4 V |
| Power Dissipation | 110 mW |
| Temperature Range | -40°C to +105°C |
| Package Type | 64-lead TQFP |
| Interface | 2-wire fast mode I2C |
Key Features
- 12-bit SAR ADC with 3 μs conversion time
- Four uncommitted analog inputs, differential or single-ended
- Two high-side current sense inputs with ±200 mV input range
- Four 12-bit, monotonic, 15 V DACs with 8 μs settling time and 10 mA sink and source capability
- Internal 2.5 V reference and power-on reset (POR) to 0 V
- Internal and external temperature sensors with ±2°C accuracy
- Built-in monitoring features including minimum/maximum recorder for each channel, programmable alert thresholds, and programmable hysteresis
- Series resistance cancellation for external diode temperature sensors
Applications
- Cellular base stations (GSM, EDGE, UMTS, CDMA, TD-SCDMA, W-CDMA, WiMAX)
- Point-to-multipoint and other RF transmission systems
- 12 V, 24 V, 48 V automotive applications
- Industrial controls
Q & A
- What is the resolution of the AD7294-2BSUZ ADC?
The AD7294-2BSUZ has a 12-bit resolution ADC.
- What is the conversion rate of the ADC?
The ADC has a conversion rate of 200 kS/s.
- What types of inputs does the AD7294-2BSUZ support?
The component supports single-ended and differential inputs.
- What is the operating supply voltage range of the AD7294-2BSUZ?
The operating supply voltage range is from 4.5 V to 59.4 V.
- What is the temperature range of the AD7294-2BSUZ?
The temperature range is from -40°C to +105°C.
- What type of interface does the AD7294-2BSUZ use?
The component uses a 2-wire fast mode I2C interface.
- Does the AD7294-2BSUZ have built-in temperature sensors?
Yes, it has both internal and external temperature sensors.
- What are the key applications of the AD7294-2BSUZ?
Key applications include cellular base stations, RF transmission systems, automotive, and industrial controls.
- What is the package type of the AD7294-2BSUZ?
The package type is a 64-lead TQFP.
- Does the AD7294-2BSUZ have built-in DACs?
Yes, it includes four 12-bit, monotonic, 15 V DACs.
