| Allicdata Part #: | ADR293ERZ-ND |
| Manufacturer Part#: |
ADR293ERZ |
| Price: | $ 10.20 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Analog Devices Inc. |
| Short Description: | IC VREF SERIES 5V 8SOIC |
| More Detail: | Series Voltage Reference IC ±0.06% 5mA 8-SOIC |
| DataSheet: |  ADR293ERZ Datasheet/PDF |
| Quantity: | 50 |
| 1 +: | $ 9.27360 |
| 98 +: | $ 8.17012 |
| 196 +: | $ 7.19859 |
| Noise - 0.1Hz to 10Hz: | 15µVp-p |
| Base Part Number: | ADR293 |
| Supplier Device Package: | 8-SOIC |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 125°C (TA) |
| Current - Supply: | 20µA |
| Voltage - Input: | 6 V ~ 15 V |
| Noise - 10Hz to 10kHz: | -- |
| Series: | XFET® |
| Temperature Coefficient: | 10ppm/°C |
| Tolerance: | ±0.06% |
| Current - Output: | 5mA |
| Voltage - Output (Min/Fixed): | 5V |
| Output Type: | Fixed |
| Reference Type: | Series |
| Part Status: | Active |
| Packaging: | Tube |
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The general circuit and overall working principle of ADR293ERZ is shown in Figure 1. The PMIC comprises of a band-gap reference, a temperature sensing circuit, a temperature compensation setup, an amplifier, an external divider, a comparator, a D-type latch, and three compensation capacitors.
- Band gap reference: It is the main building block of the reference. This provides the 1.224V reference voltage, which is affected by ambient temperature. To compensate this, ADR293ERZ utilizes a temperature compensation circuit.
- Temperature sensing, temperature compensation: To compensate the reference voltage, ADR293ERZ has a built-in temperature sensor and a temperature compensation circuit. The temperature sensor senses the temperature of the environment and sends the temperature information to the temperature compensation circuit. This circuit uses the temperature information to adjust the output reference voltage of the bandgap reference.
- Amplifier, divider and comparator: These components further amplify, divide, and compare the voltage level of the output of the bandgap reference and comparator to ensure accuracy of the reference voltage.
- D-latch: The D-latch is used to control the comparator. It ensures that the output voltage of the reference is within the required level.
- Compensation capacitors: These three on-chip compensation capacitors adjust the output voltage to the desired level. The compensation capacitors allow the output voltage of the reference to remain stable under varying temperature conditions.
ADR293ERZ is used in a variety of applications to improve upon the accuracy and stability of voltage references. It is widely used in automotive applications such as airbags, acceleration and steering systems, cruise control, automatic transmission, and antilock brakes; as well as in industrial applications like digital controllers and motor drives. The IC is also used in telecommunications systems and in portable devices such as cellular phones. Additionally, the IC is widely used in medical equipment and its wide supply voltage range and low temperature drift makes it ideal for various types of systems.
It can also be used in a diverse range of audio and video applications for better stability and accuracy of reference voltages. Its wide supply voltage range and low temperature stability make it suitable for a variety of mobile and handheld devices. The fast response time due to its low input and output capacitance makes the device suitable for applications with high speed sampling frequency. The low output impedance of the device makes it suitable for applications with high load capacitance.
The ADR293ERZ is one of the few ultra low temperature drift voltage reference available in the market which provides a stable and accurate reference voltage for a variety of applications. Its features, such as wide supply voltage range, fast response time, low temperature drift, low output impedance and low power consumption, make it well suited for many different applications.
The specific data is subject to PDF, and the above content is for reference
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