Overview
The AD7874AN is a 4-channel simultaneous sampling, 12-bit data acquisition system produced by Analog Devices Inc. This component is designed to provide high-speed and accurate analog-to-digital conversion, making it suitable for various applications that require precise and simultaneous sampling of multiple input channels.
The AD7874AN is fabricated using Analog Devices' Linear Compatible CMOS (LC2MOS) process, which combines precision bipolar circuits with low-power CMOS logic. This technology ensures high performance and reliability in the component.
Key Specifications
| Specification | Value |
|---|---|
| Part Number | AD7874AN |
| Manufacturer | Analog Devices Inc. |
| Description | IC DAS 12BIT 4CH LC2MOS 28-DIP |
| Mounting Type | Through Hole |
| Package / Case | 28-DIP (0.600, 15.24mm) |
| Pin Count | 28 |
| Number of Channels | 4 |
| Number of Bits | 12 |
| Supply Voltage | ±5V |
| Sampling Rate (Per Second) | 116 kSPS |
| Data Interface | Parallel |
| Output Bit Code | 2'S COMPLEMENT BINARY |
| Power Consumption | 100mW |
| Integral Nonlinearity (INL) | 1 LSB |
| Differential Nonlinearity | 1 LSB |
| Conversion Time-Max | 35μs |
| Signal to Noise Ratio (SNR) | 71 dB |
Key Features
- Simultaneous Sampling: The AD7874AN allows for simultaneous sampling of all four input channels, preserving the relative phase information between channels.
- High-Speed ADC: Features a high-speed 12-bit ADC with a sampling rate of up to 116 kSPS.
- On-Chip Reference and Clock: Includes an on-chip reference and clock, ensuring stable and accurate conversions.
- Track/Hold Amplifiers: Equipped with four track/hold amplifiers, each dedicated to a separate input channel, minimizing phase errors.
- Dynamic Performance: Fully specified for dynamic performance parameters including distortion and signal-to-noise ratio.
- LC2MOS Technology: Fabricated using Analog Devices' Linear Compatible CMOS (LC2MOS) process, combining precision bipolar circuits with low-power CMOS logic.
Applications
- Phased-Array Sonar: Ideal for applications where the relative phase information between multiple input channels is critical.
- AC Motor Controllers: Suitable for controlling AC motors where simultaneous sampling of multiple channels is necessary.
- Data Acquisition Systems: Used in various data acquisition systems requiring high-speed and accurate analog-to-digital conversion.
- Industrial Automation: Applicable in industrial automation systems that require precise and simultaneous measurement of multiple parameters.
Q & A
- What is the AD7874AN?
The AD7874AN is a 4-channel simultaneous sampling, 12-bit data acquisition system produced by Analog Devices Inc.
- What is the sampling rate of the AD7874AN?
The AD7874AN has a sampling rate of up to 116 kSPS.
- How many input channels does the AD7874AN have?
The AD7874AN has four input channels.
- What is the resolution of the AD7874AN?
The AD7874AN has a resolution of 12 bits.
- What type of mounting does the AD7874AN use?
The AD7874AN uses through-hole mounting.
- What is the supply voltage for the AD7874AN?
The AD7874AN operates with a dual supply voltage of ±5V.
- What is the power consumption of the AD7874AN?
The AD7874AN has a power consumption of 100mW.
- What is the signal-to-noise ratio (SNR) of the AD7874AN?
The AD7874AN has a signal-to-noise ratio (SNR) of 71 dB.
- What are some typical applications of the AD7874AN?
The AD7874AN is typically used in phased-array sonar, AC motor controllers, data acquisition systems, and industrial automation.
- What technology is used in the fabrication of the AD7874AN?
The AD7874AN is fabricated using Analog Devices' Linear Compatible CMOS (LC2MOS) process.
