Overview
The AD7761BSTZ-RL7, manufactured by Analog Devices Inc., is a high-performance, 8-channel, simultaneous sampling sigma-delta (Σ-Δ) analog-to-digital converter (ADC). This device is designed to convert analog signals into digital signals, facilitating precise data acquisition and analysis in various applications. The AD7761 features a Σ-Δ modulator and digital filter per channel, ensuring high accuracy and reliability in signal conversion.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Number of Bits | 16 | - | - | - |
| Number of Channels | 8 | - | - | - |
| Output Data Rate (ODR) per Channel | - | - | 256 kSPS | SPS |
| Analog Input Current (Unbuffered, Differential) | - | ±48 | - | µA/V |
| Power Supply Voltage (AVDD1) | 4.5 | 5.0 | 5.5 | V |
| Power Supply Voltage (AVDD2) | 2.0 | 2.25 to 5.0 | 5.5 | V |
| IOVDD Voltage | 1.72 | 2.5 to 3.3 or 1.8 | 3.6 | V |
| Operating Temperature | -40 | - | 105 | °C |
| Package Type | - | - | 64-LQFP | - |
Key Features
- Simultaneous sampling of all 8 channels, ensuring synchronized data acquisition.
- Sigma-Delta (Σ-Δ) architecture with a Σ-Δ modulator and digital filter per channel for high accuracy and noise reduction.
- Supports differential analog inputs with precharge buffers for improved performance.
- Interfaces with SPI data interfaces for easy integration with digital systems.
- Power scaling capabilities to optimize power consumption based on the application requirements.
- Operates over a wide temperature range from -40°C to 105°C, making it suitable for various environmental conditions.
Applications
- Communication systems
- Industrial control and automation
- Measuring instruments and data acquisition systems
- Consumer electronics
- Medical instruments and diagnostic equipment
- Audio processing and professional audio systems
- Automotive electronics
Q & A
- What is the primary function of the AD7761BSTZ-RL7?
The primary function of the AD7761BSTZ-RL7 is to convert analog signals into digital signals using an 8-channel, simultaneous sampling sigma-delta (Σ-Δ) analog-to-digital converter (ADC). - How many channels does the AD7761BSTZ-RL7 support?
The AD7761BSTZ-RL7 supports 8 channels for simultaneous sampling. - What is the maximum output data rate per channel for the AD7761BSTZ-RL7?
The maximum output data rate per channel for the AD7761BSTZ-RL7 is 256 kSPS. - What type of analog inputs does the AD7761BSTZ-RL7 support?
The AD7761BSTZ-RL7 supports differential analog inputs. - What is the operating temperature range of the AD7761BSTZ-RL7?
The operating temperature range of the AD7761BSTZ-RL7 is from -40°C to 105°C. - What package type is the AD7761BSTZ-RL7 available in?
The AD7761BSTZ-RL7 is available in a 64-LQFP package. - What are some common applications of the AD7761BSTZ-RL7?
Common applications include communication systems, industrial control, measuring instruments, consumer electronics, medical instruments, audio processing, and automotive electronics. - Does the AD7761BSTZ-RL7 support power scaling?
Yes, the AD7761BSTZ-RL7 supports power scaling to optimize power consumption based on application requirements. - How does the AD7761BSTZ-RL7 interface with digital systems?
The AD7761BSTZ-RL7 interfaces with digital systems via SPI data interfaces. - What is the significance of the Sigma-Delta (Σ-Δ) architecture in the AD7761BSTZ-RL7?
The Sigma-Delta (Σ-Δ) architecture with a Σ-Δ modulator and digital filter per channel ensures high accuracy and noise reduction in the analog-to-digital conversion process.
