Overview
The AD7767BRUZ-1, produced by Analog Devices Inc., is a high-performance 24-bit analog-to-digital converter (ADC) that utilizes an oversampled successive approximation (SAR) architecture. This device is designed to offer exceptional ac and dc accuracy, low power consumption, and a wide dynamic range, making it ideal for applications requiring precise measurement of small signal changes over a broad dynamic range.
The AD7767BRUZ-1 operates from a 2.5 V supply with a 5 V reference and is housed in a 16-lead Thin Shrink Small Outline Package (TSSOP). It is capable of operating over a temperature range of −40°C to +105°C, ensuring reliability in various environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 24-bit | |
| Output Data Rate | 64 kSPS | |
| Dynamic Range | 112.5 dB | |
| Total Harmonic Distortion (THD) | −118 dB | |
| Supply Voltage | 2.5 V ± 5% | V |
| Reference Voltage | 5 V | V |
| Operational Current (AIDD) | 1.3 - 1.5 mA | mA |
| Operational Current (DIDD) | 2.2 - 2.85 mA | mA |
| Reference Current (IREF) | 0.35 - 0.425 mA | mA |
| Power Consumption | 10.5 - 13 mW | mW |
| Package Type | 16-Lead TSSOP | |
| Operating Temperature Range | −40°C to +105°C | °C |
Key Features
- Oversampled SAR Architecture: Provides high performance ac and dc accuracy and low power consumption.
- On-Board Digital Filter: Eliminates out-of-band noise and reduces front-end antialias requirements.
- SYNC/PD Pin: Allows synchronization of multiple AD7767 devices and power-down functionality.
- SDI Pin: Enables daisy chaining of multiple AD7767 devices.
- High Dynamic Range: Offers 112.5 dB dynamic range at 64 kSPS, ensuring accurate measurement of small signal changes.
- Low Power Consumption: Operates at 10.5 - 13 mW, making it suitable for ultralow power data acquisition systems.
- Wide Operating Temperature Range: Functions from −40°C to +105°C, enhancing reliability in various environments.
Applications
The AD7767BRUZ-1 is ideally suited for applications requiring high precision and low power consumption, such as:
- PCI- and USB-based Systems: Suitable for data acquisition in these systems due to its low power and high accuracy.
- Measurement of Small Signal Changes: Excellent for applications where small changes on the input need to be measured on larger ac or dc signals.
- Industrial Automation: Can be used in industrial automation systems that require precise and reliable data acquisition.
- Medical Devices: Applicable in medical devices that need high accuracy and low noise in signal measurement.
Q & A
- What is the resolution of the AD7767BRUZ-1?
The AD7767BRUZ-1 has a 24-bit resolution.
- What is the maximum output data rate of the AD7767BRUZ-1?
The maximum output data rate of the AD7767BRUZ-1 is 64 kSPS.
- What is the dynamic range of the AD7767BRUZ-1 at 64 kSPS?
The dynamic range is 112.5 dB at 64 kSPS.
- What is the total harmonic distortion (THD) of the AD7767BRUZ-1?
The total harmonic distortion (THD) is −118 dB.
- What is the supply voltage range for the AD7767BRUZ-1?
The supply voltage range is 2.5 V ± 5%.
- What is the reference voltage for the AD7767BRUZ-1?
The reference voltage is 5 V.
- What is the operational current range for the AD7767BRUZ-1?
The operational current (AIDD) ranges from 1.3 to 1.5 mA, and the digital current (DIDD) ranges from 2.2 to 2.85 mA.
- What is the power consumption of the AD7767BRUZ-1?
The power consumption is between 10.5 and 13 mW.
- What is the package type of the AD7767BRUZ-1?
The package type is a 16-Lead Thin Shrink Small Outline Package (TSSOP).
- What is the operating temperature range of the AD7767BRUZ-1?
The operating temperature range is from −40°C to +105°C.
