Overview
The ADR433BRZ-REEL7 is a high-performance voltage reference IC from Analog Devices Inc., part of the ADR43x series. This device is known for its low noise, high accuracy, and minimal temperature drift, making it ideal for precision applications. The ADR433BRZ-REEL7 utilizes Analog Devices' patented XFET (eXtra implanted junction FET) technology, which ensures low supply current and excellent thermal stability. This voltage reference operates with a fixed output voltage of 3.0V and is packaged in an 8-Lead SOIC_N (R-8) configuration.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 3.0 | V |
| Output Voltage Accuracy | ±0.05% | |
| Max Output Current | 30 | mA |
| Max Input Voltage | 20 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage Operating Range | 6.5 to 18 | V |
| Supply Voltage Headroom | 2 | V |
| Voltage Noise Density (1 kHz) | 110 nV/√Hz | |
| Turn-On Settling Time (CL = 0 µF) | 10 µs | |
| Long-Term Stability (1000 hours) | 40 ppm | |
| Ripple Rejection Ratio (fIN = 1 kHz) | -70 dB |
Key Features
- Low Noise: The ADR433BRZ-REEL7 features low noise performance, with a voltage noise density of 110 nV/√Hz at 1 kHz and 3.5 µV p-p from 0.1 Hz to 10 Hz.
- High Accuracy: It offers high output voltage accuracy, with a maximum deviation of ±0.05%.
- Low Temperature Coefficient: The device has a low temperature coefficient, with a maximum of 3 ppm/°C for the B grade.
- No External Capacitor Required: The ADR433BRZ-REEL7 does not require an external capacitor for operation.
- Current Sink and Source Capability: It can source up to 30 mA and sink up to 20 mA of output current.
- Trim Terminal: The device includes a trim terminal to adjust the output voltage over a 0.5% range without compromising performance.
Applications
- Precision Voltage Reference for Data Converters: Ideal for use in analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) where high precision is required.
- Optical Network Control Circuits: Used as a reference in optical network control circuits for maintaining stable voltage levels.
- High Voltage Floating Current Source: Suitable for applications requiring a high voltage floating current source.
- Kelvin Connection: Can be used in Kelvin connection configurations for precise voltage measurement.
- Dual Polarity References: Useful in circuits requiring dual polarity references.
- Programmable Current Source and DAC Reference Voltage: Can be integrated into programmable current sources and DAC reference voltage circuits.
Q & A
- What is the output voltage of the ADR433BRZ-REEL7?
The output voltage of the ADR433BRZ-REEL7 is 3.0V.
- What is the maximum output current of the ADR433BRZ-REEL7?
The maximum output current is 30 mA.
- What is the operating temperature range of the ADR433BRZ-REEL7?
The operating temperature range is -40°C to 125°C.
- Does the ADR433BRZ-REEL7 require an external capacitor?
No, the ADR433BRZ-REEL7 does not require an external capacitor for operation.
- What is the supply voltage headroom for the ADR433BRZ-REEL7?
The supply voltage headroom is 2 V.
- What is the voltage noise density of the ADR433BRZ-REEL7 at 1 kHz?
The voltage noise density at 1 kHz is 110 nV/√Hz.
- What is the turn-on settling time of the ADR433BRZ-REEL7?
The turn-on settling time is 10 µs with no load capacitor.
- What is the long-term stability of the ADR433BRZ-REEL7 over 1000 hours?
The long-term stability is 40 ppm over 1000 hours.
- What is the ripple rejection ratio of the ADR433BRZ-REEL7 at 1 kHz?
The ripple rejection ratio at 1 kHz is -70 dB.
- Can the ADR433BRZ-REEL7 be used in dual polarity reference circuits?
Yes, the ADR433BRZ-REEL7 can be used in dual polarity reference circuits.
