Overview
The AD7607BSTZ is a high-performance, 14-bit, simultaneous sampling, analog-to-digital data acquisition system (DAS) produced by Analog Devices Inc. This component is designed to handle true bipolar input signals and features a comprehensive set of functionalities that make it suitable for a variety of applications. The AD7607 operates from a single 5 V supply and can accommodate ±10 V and ±5 V input signals while sampling at throughput rates of up to 200 kSPS for all channels. It includes analog input clamp protection, a second-order antialiasing filter, a track-and-hold amplifier, and a 14-bit charge redistribution successive approximation analog-to-digital converter (ADC).
Key Specifications
| Parameter | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|
| Resolution | 14 bits | Number of bits in the ADC | |||
| Sampling Rate | 200 kSPS | Maximum sampling rate for all channels | |||
| Input Voltage Range | ±10 V | ±10 V | V | True bipolar input voltage range | |
| Input Voltage Range (Alternative) | ±5 V | ±5 V | V | Alternative true bipolar input voltage range | |
| Analog Input Impedance | 1 MΩ | Ω | Analog input impedance regardless of sampling frequency | ||
| Antialiasing Filter 3 dB Cutoff Frequency | 22 kHz | Hz | 3 dB cutoff frequency of the antialiasing filter | ||
| Antialias Rejection | 40 dB | dB | Antialias rejection when sampling at 200 kSPS | ||
| Reference Voltage | 2.475 | 2.5 | 2.525 | V | Reference input voltage range |
| Supply Voltage | 5 V | V | Single supply voltage | ||
| Power Consumption | 100 mW | mW | Typical power consumption in normal operation | ||
| Standby Power Consumption | 25 mW | mW | Power consumption in standby mode | ||
| Operating Temperature Range | -40°C | +85°C | °C | Operating temperature range | |
Key Features
- Simultaneous Sampling: The AD7607 allows for simultaneous sampling of all channels, ensuring accurate and synchronized data acquisition.
- Analog Input Clamp Protection: The component includes input clamp protection circuitry that can tolerate voltages up to ±16.5 V.
- Second-Order Antialiasing Filter: Features a built-in second-order antialiasing filter with a 3 dB cutoff frequency of 22 kHz and 40 dB antialias rejection at 200 kSPS.
- Track-and-Hold Amplifier: Includes a track-and-hold amplifier to ensure stable input signals during the conversion process.
- Flexible Digital Filter: A pin-driven digital filter that can simplify external filtering needs.
- High-Speed Interfaces: Supports high-speed serial and parallel interfaces, including SPI, QSPI, MICROWIRE, and DSP-compatible interfaces.
- Single Supply Operation: Operates from a single 5 V supply, eliminating the need for external bipolar supplies and driver op amps.
- High Input Impedance: 1 MΩ analog input impedance, regardless of the sampling frequency.
Applications
The AD7607 is suitable for a wide range of applications that require high-precision, simultaneous sampling of multiple analog channels. These include:
- Industrial Automation: For precise measurement and control in industrial automation systems.
- Medical Devices: In medical equipment where accurate and simultaneous sampling of multiple signals is crucial.
- Aerospace and Defense: For applications requiring high reliability and precision in data acquisition.
- Test and Measurement Equipment: In various test and measurement instruments that need simultaneous sampling capabilities.
- Automotive Systems: For advanced automotive systems that require precise data acquisition and processing.
Q & A
- What is the resolution of the AD7607?
The AD7607 has a resolution of 14 bits.
- What is the maximum sampling rate of the AD7607?
The maximum sampling rate is 200 kSPS for all channels.
- What are the input voltage ranges supported by the AD7607?
The AD7607 supports true bipolar input voltage ranges of ±10 V and ±5 V.
- What is the analog input impedance of the AD7607?
The analog input impedance is 1 MΩ, regardless of the sampling frequency.
- Does the AD7607 have built-in antialiasing filtering?
Yes, it includes a second-order antialiasing filter with a 3 dB cutoff frequency of 22 kHz.
- What type of digital interfaces does the AD7607 support?
The AD7607 supports high-speed serial and parallel interfaces, including SPI, QSPI, MICROWIRE, and DSP-compatible interfaces.
- What is the power consumption of the AD7607 in normal operation?
The typical power consumption is 100 mW, with a standby power consumption of 25 mW.
- What is the operating temperature range of the AD7607?
The operating temperature range is from -40°C to +85°C.
- Does the AD7607 require external bipolar supplies or driver op amps?
No, it operates from a single 5 V supply and does not require external bipolar supplies or driver op amps.
- What kind of protection does the AD7607 have for its analog inputs?
The AD7607 includes analog input clamp protection that can tolerate voltages up to ±16.5 V.
